TW200819569A - Antistatic polyester false twist yarn, process for producing the same, and antistatic special composite false twist yarn including the antistatic polyester false twist yarn - Google Patents

Abstract

An unstretched multifilament yarn made of a PET type aromatic polyester containing a polyoxyalkylene polyether and an organic ionic compound is stretched and simultaneously false-twisted under specific conditions. The false twisting is stably conducted at a high speed without causing section deformation or fluffing to thereby give a yarn of a fibrous structure having an excellent texture and unsusceptibility to fibrillation. Thus, a polyester false twist yarn having excellent long-term antistatic properties is produced. The unstretched yarn in combination with an unstretched polyester yarn comprising a poly(methyl methacrylate) polymer and/or polystyrene polymer is stretched and simultaneously false-twisted under specific conditions to thereby stably produce at a high speed a composite false twist yarn which is free from fluffing, has excellent bulkiness, gives a spun-yarn feeling, and has excellent long-term antistatic properties. This composite false-twisted yarn is useful especially in applications where static electricity is desired to be diminished, such as school uniforms, uniforms, and dust-proof clothing.

Description

200819569 IX. Description of the Invention [Technical Field] The present invention relates to a polyester false twisted textured yarn having antistatic properties, a method for producing the same, and an antistatic property containing the antistatic polyester false twisted textured yarn Electrical special composite false twist processing wire. More specifically, it relates to a polyester false twisted textured yarn having excellent antistatic property and a method for manufacturing the false twisted textured yarn at a high speed, and a process for containing the antistatic polyester false twist φ Anti-static special composite false twist processing wire of silk core sheath structure. [Prior Art] Polyester, in which polyethylene terephthalate or an aromatic polyester mainly composed of the same (hereinafter referred to as PET polyester) has many excellent properties, it is widely used as a fiber, A material for forming a film, a sheet, or the like. However, since polyester is hydrophobic, it is limited in use in the field where antistatic properties are required. • In the past, trials of PET-based polyesters were hydrophilic and showed antistatic properties (preventing chargeability), and many proposals have been made so far. For example, a method of blending a polyoxyalkylene-based polyether compound with a polyester (refer to Japanese Patent Publication No. Sho 03-52-14), and a substantially incompatible polyoxyalkylene system in a polyester. A method of a polyether compound and an organic/inorganic ionic compound is known (refer to Japanese Patent Publication No. Sho 44-3 1 828, Japanese Patent Publication No. SHO 601-1 944, JP-A-53-80497, and Japanese Laid-Open Patent Publication No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. Here, the fiber 200819569, which is made of such a polyester composition, has an antistatic property in a general stretched yarn (FOY), but a fluffing phenomenon occurs in a false twisted textured yarn due to false twist deformation. There is still no practical PET-based polyester false twisted textured yarn having sufficient antistatic properties. f. In the past, a composite false-twisted yarn of a two-layer structure having a large volume and a short fiber feel obtained by a false twisting treatment by using two or more types of polyester monofilaments having a difference in tensile strength. It is known (for example, refer to Japanese Patent Publication No. 6 1 - 973 3). However, in recent years, not only the texture of the woven fabric, the feel of the skin, the appearance, and the like have been gradually increased, and the fabric woven by the conventional false twisted silk is almost an antistatic fabric which does not have the static electricity for suppressing the popping sound. Wait. In particular, in the use of artificial shirts or shirts, such as student uniforms, uniforms, and dust-proof clothes, or in women's shirts or shirts that are mostly in direct contact with the skin, there is currently no PET-based polyester false-twisted silk cloth that provides antistatic properties. [Explanation] The object of the present invention is to solve the above disadvantages of the conventional products, and to provide a novel PET-based polyester false twisted textured yarn which can obtain a polyester fabric having excellent antistatic properties, and secondly, to provide a The polyester false twist processing yarn is stably manufactured, and provides a novel polyester composite false twist which can form a polyester fabric similar to short fibers which has a very good bulkiness, a short fiber feel, and excellent antistatic property. A method of processing silk and stably producing the composite false twisted textured yarn. -6 - 200819569 In order to achieve the above object, the inventors of the present invention have repeatedly intensively studied the results of 'discreting a polyester which does not extend the yarn from a specific antistatic agent containing a specific range, using a specific false twisting tool, in a specific When the elongation and false twist processing are simultaneously performed under the conditions of temperature and number of turns, the novel polyester false twisted textured yarn which can form a polyester fabric which is excellent in durability and texture and excellent in antistatic property can be stably produced, and the present invention is completed. invention. Further, the present inventors have found that in the polyester-based composite false twisted textured yarn, the core yarn is composed of a polyester yarn containing a specific antistatic agent in a specific ratio, and the sheath yarn is contained in a specific ratio. A polyester yarn of a methyl methacrylate polymer or a polystyrene polymer, wherein the undrawn yarn of the core yarn and the unstretched yarn of the sheath yarn are aligned, and simultaneously under specific conditions. The extension and false twist processing can greatly improve the process stability and manufacture with good productivity by making the antistatic core yarn evenly wrapped in the sheath yarn in the longitudinal direction. The present invention has been completed by a polyester composite false twisted textured yarn of a polyester fabric similar to a short fiber feel which is excellent in bulkiness and short fiber feel and excellent in antistatic property. Therefore, according to the present invention, it is possible to provide an antistatic polyester false twisted textured yarn which is composed of polyethylene terephthalate units of 75 mol% or more of repeating units, and contains (a) A polyoxyalkylene-based polyether and (b) an anti-static polyester composite yarn composed of an aromatic polyester composition substantially an aromatic polyester which is a non-reactive organic ionic compound It is characterized in that the voltage half-life of the false twisted processed wire is 60 seconds or less, and the crimping ratio is 1 〇 20%. 200819569 - A method for producing an antistatic polyester false twisted textured yarn, characterized in that 75 mol% or more of the repeating unit is made of polyethylene terephthalate unit to contain (a) polyoxymethylene An alkyl polyether and (b) an aromatic polycondensate having a non-reactive organic ionic compound with an aromatic polyester (the birefringence of the ester composition obtained by melt spinning is 0.02 to 0.05) The unstretched yarn is simultaneously stretched and false-twisted under the conditions of (1) to (4) below. • (1) The 3-axis friction disc type is located at the lowermost circle of the untwisting part. The disc is made of ceramic, the length of contact between the disc and the traveling wire is 2.5~0.5mm, and the diameter of the disc is 90~98% of the diameter of the disc above it is used as a false twisting tool, (2) making a false twist The processing temperature is 170~300 °C, (3) the stretching ratio during the false twist processing is 1.4~2.4, and (4) the number of false twists T (times/m) is the fineness of the false twisted silk (Y dtex). In other words, it is 1 5000/Y1/2STS 3 5 000/Y1/2. • An anti-static special composite false twist processing wire, which is a core wire. The strip (A) is a unit of 75 mol% or more of the repeating unit of polyethylene terephthalate, comprising (a) a polyoxyalkylene-based polyether, and (b) substantially The polyester is made of an antistatic polyester composite yarn composed of an aromatic polyester composition of a non-reactive organic ionic compound, and the sheath yarn (B) is composed of 0.5 to 3.0% by weight of polymethyl methacrylate. A special composite false twisted textured yarn made of a polyester composite yarn composed of an aromatic polyester composition of an ester polymer and/or a polystyrene polymer, characterized in that the charged friction pressure of the processed yarn is 2000 V or less. The crimping ratio is 2 to 8%, and the average filament length of the sheath of the sheath of the 200819569 (B) is longer than the average filament length of the core filament (A) by 10 to 20%, and an antistatic property. A method for producing a false twisted textured yarn, which comprises (a) a polyoxyalkylene-based polyether, and (b) substantially an aromatic polyester when the polyester composite yarn is subjected to an elongation false twist processing. An unstretched antistatic polyester composite yarn (A') formed by a non-reactive organic ionic compound, The unbonded polyester composite yarn (B') containing 5 to 3.0% by weight of a polymethyl methacrylate-based polymer and/or a polystyrene-based polymer is processed as a composite yarn. The original yarn is used and the elongation and false twist processing are simultaneously performed under the conditions of all of the following (1) to (4). (1) The air entanglement treatment is performed before the false twist processing, and more than 30 or more are performed. Interlacing treatment, (2) with a 3-axis friction disc type, the disc at the lowermost part of the untwisting part is made of ceramic, and the contact length of the disc with the traveling thread is 2.5 to 0.5 mm, and the diameter of the disc For the 90~98% of the disc diameter as the false twist tool, (3) the false twist processing temperature is 170 ° C ~ 300 ° C temperature, (4) the number of false twist T (time / m) In terms of the Ydtex of the false twisted yarn, it is 1 5000/Y1/2STS 3 5000/YW2. [Best Mode for Carrying Out the Invention] The antistatic false twisted textured yarn of the present invention is composed of a composite yarn composed of a specific antistatic aromatic polyester composition, and has a specific -9-200819569 Antistatic and crimping properties. In the following, the embodiment of the present invention will be described in detail with respect to the aromatic polyester composition constituting the antistatic false twisted textured yarn, the characteristics of the false twisted textured yarn, and the method for producing the false twisted textured yarn. <Composition of antistatic pseudo-twisted processed yarn> The aromatic polyester referred to in the present invention is 75 mol% or more of the repeating unit of the polymer (preferably 85 to 1 mol%) The PET aromatic polyester which is ethylene terephthalate is mainly a polymer obtained by reacting terephthalic acid or an ester-forming derivative thereof with ethylene glycol or an ester-forming derivative thereof. In the PET-based aromatic polyester, the acid component may be a copolymer of a small amount of another difunctional aromatic carboxylic acid in addition to terephthalic acid. The copolymerization component such as isophthalic acid, phthalic acid 'I, 5-naphthalenedicarboxylic acid, 2,5-naphthalene dicarboxylic acid, 2,6-naphthalenedicarboxylic acid, 4,4'-biphenyldiene Carboxylic acid, 3,3'-biphenyldicarboxylic acid, 4,4'-diphenyl ether dicarboxylic acid, 4,4'-biphenyldicarboxylic acid, 4,4'-biphenylfluorene dicarboxylic acid, 4 , 4'-biphenyl isopropylidene dicarboxylic acid, 1,2-bis(phenoxy)ethane-4,4'-dicarboxylic acid, 2,5-nonanedicarboxylic acid, 2,6-fluorene Dicarboxylic acid, 4,4'-p-benzenedicarboxylic acid, 2,5-pyridinedicarboxylic acid, β-hydroxyethoxybenzoic acid, p-oxybenzoic acid, and the like. These difunctional aromatic carboxylic acids may be used in combination of two or more kinds. Further, when it is a small amount, these difunctional aromatic carboxylic acids may be used in combination with one or more kinds of difunctional aliphatic groups such as adipic acid, pimelic acid, sebacic acid, and dodecanedicarboxylic acid. A carboxylic acid, a difunctional alicyclic carboxylic acid such as cyclohexanedicarboxylic acid, a sodium sulfoisophthalic acid or the like. -10- 200819569 In addition, the diol compound may be, in addition to ethylene glycol, propylene glycol, butanediol, hexanediol, neopentyl alcohol, 2-methyl-1,3-propanediol, diethylene glycol, Other aliphatic diols of trimethyl glycol, an alicyclic diol such as 1,4-cyclohexanedimethanol, and the like, and the like are copolymerized. Further, in the case of a small amount, these diol compounds may be copolymerized with a polyalkylene glycol which is unblocked at both ends or at one end. Further, the polyester may be used in a substantially linear form, such as a benzene benzene tricarboxylic acid, a polycarboxylic acid of pyromellitic acid, a polyol such as glycerol, trimethylolpropane or pentaerythritol. Specific examples of preferred PET-based aromatic polyesters, such as homopolymers of polyethylene terephthalate (PET), or polyethylene isophthalate, terephthalic acid, polyethylene, butene A copolymerized polyester such as terephthalate, polyethylene terephthalate or decane dicarboxylate. Among them, a homopolymer of polyethylene terephthalate is more preferable in terms of balance between mechanical properties and yarn-forming properties. • The PET aromatic polyester can be synthesized by any method. For example, when the description relates to polyethylene terephthalate, by directly esterifying terephthalic acid with ethylene glycol, or lowering the lower alkylene of terephthalic acid such as dimethyl terephthalate. The transesterification reaction of the ester with ethylene glycol, or the reaction of terephthalic acid with ethylene oxide to form the first reaction of the alcohol ester of terephthalic acid and/or its oligomer, and then the product is Heating is carried out under reduced pressure until the second stage of the polycondensation reaction is carried out under the desired degree of polymerization, and the production can be easily carried out. The PET-based aromatic polyester may contain a stabilizer, 200819569 deodorant, a colorant, and other additives as needed. The antistatic aromatic polymer forming the false twisted textured yarn of the present invention is one in which two kinds of electrostatic agents are blended in the PET aromatic polyester as described above. The polyalkyl-based polyether (a) to be blended in the first antistatic agent of the present invention may be an alkane-dimer which is substantially insoluble in PET-based aromatics. The alcohol may be a polyoxyalkylene glycol formed from two or more oxyalkylene units, or may be a vinyl-based polyether represented by the following general formula (I). CHg 0) a (Rl 0) ] k (n) In the above formula (I), Z is an alkylene group having 1 to 6 active hydrogen organic compound residues, and R1 is an alkylene group having 6 or more carbon atoms. Alkyl group, R2 is a hydrogen atom, a carbon number of 1 to 40, a valence of 2 to 40, a valence hydroxy hydrocarbon or a carbon number of 2 to 40, a k system of 1 to 6 integer, η system The oxime system satisfying n$7 0/k is an integer of 1 or more. Specific examples of the polyoxyalkylene-based polyether include a polyoxyethylene glycol having a molecular weight of f or more, a polyoxyl alcohol having a molecular weight of 1 000 or more, Polyoxytetramethylene glycol, an oxypropylene oxide copolymer having a molecular weight of 2000 or more, a trimethylolated ethylene adduct having a molecular weight of 4,000 or more, a nonylphenol oxygen adduct having a molecular weight of 3,000 or more, and The terminal OH group has an added carbon number of 6 ester. The specific anti-oxidation sub-polyester is a poly-oxidized copolymerized polyoxygen atom or a hydrocarbyl group, a monovalent enthalpy: number, m | 4000 propylene glycol, propane oxidation Ethylene above -12- 200819569 substituted ethylene oxide compound, which is divided into 100000 polyoxyethylene glycol and Preferably, a compound having a carbon number of 8 to 40 is added to both ends of 5000 to ethylene glycol. The polyoxyalkylene-based polyether compound (a) is a part by weight of the aromatic polyether. It is more preferably 0.2 to 30 parts by weight to 6 parts by weight, and the compounding amount is less than 0.2 parts by weight, and sufficient antistatic property cannot be exhibited. Further, even when the amount is divided, the composition having the highest antistatic effect is not improved. Since the mechanical properties are due to the polyetherification, the properties of the sheet to the ruler are also deteriorated during melt spinning. In the above aromatic polyether composition, it is possible to additionally cooperate as a (2) The antistatic agent is (b). The organic ionic compound is, for example, a compound which is substantially non-reactive with the 3 fragrant polyester and substantially non-reactive with the polyether compound (a) ( The metal sulfonate salts shown in II) and (III) are preferred. These may be used alone or in combination of two or more kinds of RS 03 Μ ...... (II)

In the above formula (II), R is an aryl group having 6 to 40 carbon atoms, and the lanthanide is a polyoxyalkyl group substituted by an alkali metal I having a molecular weight of 1 0000 〜 16,000. For 100 parts, it is better to use 2, the hydrophilicity is insufficient to match more than 30 weights, but it will damage the easy dispersing and occlusion of the compound, and the spinning is to improve the antistatic ionic compound S body PET system. The aromatic oxyalkylene polymer is generally an alkyl or an alkaline earth metal having a tertiary acid salt of 3 to 30 as described below. In the above formula (II), when R is an alkyl group, the alkyl group may be a linear or branched side chain. The ruthenium is an alkali metal such as Na, K or Li or an alkaline earth metal such as Mg or Ca. Among them, Li, Na and K are preferred. The sulfonic acid metal salt may be used alone or in combination of two or more. Specific examples of preferred metal sulfonate salts, such as sodium stearyl sulfonate, sodium octyl sulfonate, sodium dodecyl sulfonate, a mixture of sodium alkyl sulfonates having an average number of carbon atoms of 14, twelve Sodium alkane sulfonate mixture, sodium dodecylbenzene sulfonate (hard, soft), lithium dodecylbenzene sulfonate (hard, soft), magnesium dodecylbenzene sulfonate (hard, soft) )Wait. RS〇3 P R1 R2 R3 R4 (III) In the above formula (III), R1, R2, R3 and R4 are each independently an alkyl group having 3 to 30 carbon atoms or a carbon number of 6~ 40 aryl. Preferably, each of R1, R2, R3 and R4 is a lower alkyl group having 5 to 15 carbon atoms, a phenyl group or a benzyl group. Further, the total amount of carbon atoms of R1, R2, R3 and R4 is preferably 60 or less. Preferred examples of the sulfonic acid quaternary iron salt are, for example, an alkyl group having an average enthalpy of a carbon atom of the alkyl group of 14 butyl sulfonate, and an alkyl group having an average enthalpy of 14 carbon atoms. Tetraphenyl sulfonate of sulfonic acid, alkyl sulfonate butyl triphenyl squarate salt having an average enthalpy of carbon number of 14 and tetrabutyl sulfonium dodecyl benzene sulfonate (hard, soft) ), tetraphenyl iron salt of dodecylbenzenesulfonate (hard, soft), benzyltriphenyl ore salt of dodecylbenzenesulfonate (hard, soft), and the like. The sulfonic acid quaternary phosphonium salt may be used alone or in combination of two or more of -14-200819569. The organic ionic compound (b) may be used alone or in combination of two or more types, but the total amount is preferably from 0.05 to 10 parts by weight based on the total amount of the 00 parts by weight of the aromatic polyester. It is more preferably 5 to 4 parts by weight. If it is less than 0.05 parts by weight, the effect of improving the antistatic property is small, and if it is more than 1 part by weight, the mechanical properties of the fiber are impaired, and since the ionic compound is easily dispersed, the melt spinning is performed. The occlusion of the sheet and the gauge is lowered, and the spinning stability is also deteriorated. Further, in the above aromatic polyester composition, in addition to the above-mentioned antistatic agent, conventional additives such as a pigment, a dye, a deodorant, and an antifouling agent may be blended in the range which does not impair the object of the present invention. Agent, fluorescent whitening agent, flame retardant, stabilizer, ultraviolet absorber, smoothing agent, etc. <Characteristics of false twisted textured yarn> In the false twisted textured yarn of the present invention, the crimping ratio is in the range of 1 〇 to 20%, particularly 12 to 18%, and the crimp ratio is In this range, a knitted fabric excellent in soft texture can be obtained. When the crimping ratio is less than 1%, the gap between the yarns is increased as a braid, and the dye easily enters, which causes staining, which is not desirable. On the other hand, when it is more than 20%, the color of the surface of the knitted fabric becomes white, and the texture of the knitted fabric becomes soft, so that it is not desired. Further, the false twisted textured silk tie of the present invention has a voltage half life of 60 seconds or less, preferably 5 to 40 seconds. Here, the half-life of the voltage is measured by the tube weaving process, dyeing, and humidity control, and the antistatic property is measured by the eight method (half-life measurement method) of the charging test method of -15-200819569 JIS-L1 094. . Here, the band voltage is measured for a time (seconds) until the initial band voltage is 1 /2, and this time is evaluated as excellent in antistatic performance. When the charging half-life is more than 60 seconds, the object of the present invention cannot be achieved because there is no antistatic effect or minimal effect. Further, in the false twisted textured yarn of the present invention, since the weaving density as the knitted fabric is easily adjusted to an appropriate range, the total fineness is preferably in the range of 50 to φ 200 dtex (dtex), more preferably Range of 50~150dtex. When the total fineness is less than 50 dtex, the tensile strength of the knitted fabric is weak, and it is not easy to obtain a sufficiently dense knitted fabric, so it is not desirable. Further, when it is larger than 200 dtex, it is not suitable as a weaving because the object of the knitted fabric is too large. Further, the fineness of the single fiber is preferably from 1.0 to 5.0 dtex, and the number of the single fibers of the false twisted processed yarn is preferably from 24 to 96. <Manufacturing method of false twisted textured yarn> The antistatic polyester false twisted textured yarn of the present invention as described above can be produced stably by good productivity, for example, by the following method. In other words, in the production method of the present invention, since the deformation and the fluffing do not occur during the false twist processing, the false twist processing can be performed at a high speed and in a stable manner, and the above-mentioned polyoxyalkylene is uniformly blended in the PET-based aromatic polyester. The unstretched composite yarn having a molten birefringence of 0·0 2 to 0.0 5 formed by the aromatic polyester composition of both the alcohol (a) and the ionic antistatic agent (b) is used as a processing raw yarn. The object agrees to perform the extension and false twist processing simultaneously under the conditions (1) to (4) below. 200819569 (1) With a 3-axis friction disc type, the most disc in the untwisting part is made of ceramic, the contact length of the disc with the traveling thread is 0.5 mm, and the diameter of the disc is the disc above it. The diameter of 90~ is used as a false twisting tool, (2) the false twisting processing temperature is 170~300 °C, (3) the false twisting processing magnification ratio is 1.4~2.4, (4) the false twisting number T (time/ m) For the fiber dtex of the false twisted silk, it is 1 5000/Y1/2STS3 5000/Y1/2. In the melt spinning stage, the aromatic polyester composition mold is melted and discharged, and is cooled and hardened to form a monofilament, and each of the yarns is supplied, and a necessary oil agent is supplied at a spinning speed of 2000 to a fraction, particularly The condition of 2500~3 500m/min is better. At this time, the birefringence of the spun undrawn yarn (composite yarn) must be in the range of 0.02 to 0.05. When the birefringence is less than 0.02, the tension during working hours is low, and it is easy to cause a spur condition. The reason why the plaque is caused by the plaque is not good due to the wire drawing situation, and the elongation ratio of the false tweezer is increased, which may result in weak formation. In the case of silk, it is not for the outside, and when the birefringence is greater than 0.05, it is easy to cause the roughening of the raw silk to become uncoordinated, so it is not desirable. The method of the present invention is preferably carried out by air-turbulent flow in the spinning and/or extension false twisting process for the entanglement of the yarn. The entanglement process can be carried out in other processes as shown in Fig. 1. The inner nozzle is provided in the extended false twisting apparatus and is preferably implemented before the extension false twisting process. In this way, it is possible to suppress the occurrence of 2.5 to 9 8 % of the lower part of the raising (Y self-spinning monofilament to 4500 m/rate, and it is necessary to add heat to the hardening process. Another shape, the process of the air line, such as (4), Situation, -17- 200819569 The rationality of the processed wire can be well affected. In addition, the air-corrugated wire is heat-cured under false twist by another internal nozzle (not shown) The mixed fiber entanglement treatment can be completely performed, and the length direction of the yarn can be made uniform. This effect can have an antistatic property for making the longitudinal direction uniform, and a processed yarn having a high-grade feeling can be obtained. In the method of the present invention, Preferably, the undrawn yarn is subjected to an entanglement treatment before the extension false twist processing, for example, an extended false twisting machine having a two-stage heater as shown in Fig. 1 is provided to form a polyester dummy having a crimping action. In the first example, the polyester undrawn yarn (1) is taken out from the package, and is disposed between the pair of supply rollers (3, 3 5) via the guide wire (2). The internal nozzle (4) is subjected to air entanglement treatment. At the same time, the undrawn yarn processed by the entanglement is extended at a predetermined magnification between the supply roller (3') and the first transport roller (8), and the rotary 3-axis friction disc type false twist tool (7) The twisting tool (7) is disposed at the bottom of the untwisting portion and is made of ceramic, and the contact length of the disc with the traveling thread is 2.5 to 0.5 mm, and the circle The disc diameter polyester composite false twisted textured yarn is used directly in the upstream disc diameter of 90 to 9 8 %. In the meantime, the yarn is supplied by the first stage heater (5) in the twisted state. After heat hardening, it is cooled on the cooling plate (6) on the downstream side, and is untwisted by the false twist tool (7). In addition, the traveling wire is required for the first transport roller (8) and the second transport. The second stage heater (9) provided between the drums (10) is subjected to a reheat hardening treatment, and after the air entanglement treatment is performed, the winding drum (1 1) is taken up into a bobbin filament package -18- 200819569 (1 2 ), anti-static polyester false twist processing wire for manufacturing purposes. Considering high-speed extension false twist processing It is preferable that the first stage heater (5) and the second stage heater (9) are both non-contact type. In particular, the second stage heater (9) mostly omits SW_OFF (not used), processing wire The desired texture, etc., may be used depending on the texture required for the processed yarn, etc. In the invention of the present invention, the false twist tool (7) is a three-axis friction disc type as shown in Fig. 2 as described above. The disc at the bottom of the untwisting portion is made of ceramics, and the diameter of the disc is 90 to 98% of the diameter of the disc upstream thereof, and the length of contact between the disc and the traveling thread is 2 ·5~0.5mm is extremely important. In other words, the false twist tool (7) illustrated in Fig. 2 is provided with three false shafts (13) on each of the three rotary shafts (15). In the disc type, each of the rotary shafts (15) is rotated at a predetermined speed by a timing belt (16) driven by a drive belt (17), and each false twist disk (13) is rotated. The method of the present invention is that at least the disc of the false twist disc (13) located at the lowermost portion of the untwisting portion (the second disc is provided below the disc provided on the rotary shaft) is made of ceramic, and the diameter of the disc is The diameter of 90 to 98% of the diameter of the disk on the upstream side (the second example is the lower disk provided on the central rotary shaft) is used. Then, the contact length of the ceramic disk with the traveling wire is 2.5 to 0.5 mm. The lowermost disc of the false twisting tool (7) is made of ceramic, which is preferable in terms of the friction of the disc. Moreover, when the contact length of the disc and the traveling thread is 2.5 to 0.5 mm, the contact area between the disc and the yarn becomes the same when the twisting process is completed and the crimped state yarn enters the final untwisting portion.极-19- 200819569 Less resistance is also extremely small, and it is effective in reducing the fluffing situation significantly, based on the findings of the present inventors. Similarly, it was found that the diameter of the lowermost disk was 90 to 98% of the diameter of the disk above it, and the resistance when the wire was moved to the next stage (i.e., heat hardening) became small, and the wire was smoothly moved to the appropriate region. In the monofilament constituting the unstretched yarn in the method of the present invention, since the above two kinds of antistatic agents are contained, the fluffing process is easily caused by the elongation false twist processing. 'With the method of the present invention, the above conditions can be used to significantly reduce the elongation. Fake processing during processing. Therefore, when it is outside this range, the occurrence of processing fuzzing is a factor that adversely affects the texture, the unwinding property, and the quality of the fabric product. As a result of various reviews, the inventors have found that the contact length between the traveling wire and the lowermost disk is 2.5 to 0.5 mm, which significantly reduces the processing fuzzing in the extension false twisting process of the method of the present invention. It is especially effective. The false twist processing temperature of the present invention must be 190 to 300 °C. When the temperature is less than 170 °C, the crimping performance is low and the texture is hard. When the temperature is more than 300 °C, the flattening of the processed yarn and the processing fuzzing are caused, so the non-contact heater is not required for the use of β. When the apparatus is used as a false twisting machine, it is preferable to heat-treat the first stage non-contact heater at a set temperature of 170 to 300 °C. In addition, the appropriate heater temperature referred to here is set by a commercially available false twisting machine (the Teijin system 216 hammer HTS-15V), non-contact type 1. 〇~1. 5m length, Since the wire speed is in the form of 800 m/min., etc., it is of course possible to appropriately adjust the set temperature when a special heater is used to perform processing at an ultra-high speed. -20- 200819569 Moreover, the heat treatment time of the yarn in the first stage heater can be appropriately set depending on the type of the heater, its length and its temperature. When the heat treatment time is too short, the crimping rate of the processed yarn tends to become Sufficient, and the tension change causes the extension of the false twist, the fluffing of the processed silk, and the woven fabric is prone to staining. Further, when the heat treatment time is too long, the crimp ratio tends to become too large. Usually, in the case of a non-contact heater, it is in the range of 0.04 to 0.12 seconds, particularly in the range of 0.06 to 0.10 second. In addition, the extension ratio of the extension false twist processing is preferably 1.4 to 2.4, and in the low magnification range outside the range, a surge condition occurs, and a thermal hard spot is generated due to the shake condition, and the range is high in the range of high magnification. The processing yarn is flattened and the processing is raised, so it is not desirable. In the method of the present invention, the number of false twists T (times/m) at the time of simultaneous extension and false twist processing is determined according to the fineness Y (dtex) of the false twisted textured yarn, and is set to (15000 to 35000) / Y1/2 Preferably, it is in the range of (20000 to 30000) / Υ 1/2. When the number of false twists is less than 1 5000/Υ1/2 (times/m), it is not easy to impart a strong curling effect by fineness, and the texture is hard and similar to paper when the fabric is used, and if the false twist is more than 3 5 000/Y 1/ When 2 (times/m), most of them will be broken and fluffed, and they are not intended. In the method of the present invention, it is preferred that the polyester unstretched yarn supplied from the extended false twisting device is previously subjected to interlacing treatment between the individual fibers by the air flow. The air entanglement treatment can be carried out by performing the extension false twist processing, and the inner nozzle is provided in the extension false twisting device shown in Fig. 1 and the air entanglement treatment is preferably performed before the extension false twist. The degree of entanglement is measured by the polyester false twisted textured yarn of 30 to 80 / m, preferably 50 to 70 / m under -21 - 200819569. When the degree of entanglement is less than 30/m, the disorder between the single fibers constituting the polyester unstretched yarn is deteriorated, and the untwisting (extracting from the original silk package) by the extension false twisting process is poor, resulting in breakage. Silk and twisting • Most of the yarns are cut off when they are untwisted, so they are not sought. When the degree of entanglement is more than 80 / m, the degree of entanglement between the individual fibers constituting the polyester false twisted textured yarn becomes too strong, and the single fiber is in a hardened state, so that it is not desired. In the method of the present invention, a false twist disk having a diameter of 40 to 70 mm (preferably a diameter of 45 to 62 mm) can be used for the twisting and untwisting treatment. The false-twist discs, for example, two sets of false-twist units arranged on the three axes shown in Fig. 2 are used for two discs. When the diameter of the false twist disk is less than 40 mm, the frictional damage of the yarn formed by the false-twist disk on the polyester composition sharply increases, and most of the yarn breakage and fluffing occur. When the diameter of the false twist disk is larger than 70 mm, the twisting force of the false twist disk is lowered, and the fine and strong curling action cannot be obtained, so it is not desirable. Moreover, the twisting tension is increased and most of the raising occurs. In addition, it is extremely difficult to introduce the traveling yarn into the false twisting disc (snow handling). The angle of travel of the thread of the false-twisted disc (the angle formed by the rotating shaft of the disc and the thread that is in contact with the outer circumference of the disc) is 30 to 48 degrees, particularly in the range of 3 2 to 4 5 degrees. good. Thereby, the twisting force by the disk is not lowered, the wire feeding action can be improved, and the twisting and untwisting treatment can be performed in a stable state. At this time, as described above, the contact length between the lowermost disc and the traveling yarn is 2.5 to 0.5 mm, which is effective in remarkably reducing the processing fuzzing. The fiber composed of the above polyester composition is poor in fibrillation resistance, and the fiber having low fibrillation property is generally inferior to the fiber having a low fibrillation in the case of the method of the present invention, but by the method of the present invention, Since the processing technology of the fiber structure which makes the yarn have fibrillation resistance is used, there is no deformation or raising of the section during the false twisting process, and the false twist processing can be performed at a high speed and in a stable manner, and high quality can be manufactured. Fake 捻 processed silk. The antistatic false twisted textured yarn of the present invention thus obtained can be woven or braided without flaws or blush to form a good fabric. At this time, weaving @ is well-made, and there is no broken wire, which is extremely smooth. Further, as described above, the polyester false twisted textured yarn excellent in antistatic property and durability can be produced efficiently and stably by the method of the present invention. <Characteristics of composite false twisted textured yarn> Next, the antistatic special composite false twisted textured yarn of the present invention has a sheath covering the outer periphery of the core filament formed of the above-mentioned antistatic polyester monofilament substantially as described above Composite false twisted textured yarn of silk composite structure. Here, the sheath yarn constituting the composite false twisted textured yarn of the present invention is obtained by blending a polymethyl methacrylate polymer and/or a polystyrene polymer with the above aromatic polyester. to make. Among them, the aromatic polyester is composed of ethylene terephthalate having 75 mol% or more (especially 85 mol% or more) of all repeating units, and its intrinsic viscosity (using o-chlorophenol as a solvent, at 35) The measurement at ° C is 0.7 or less, and particularly preferably 〇 55 to 0.70. Further, the aromatic polyester may have the same composition as the aromatic polyester constituting the core yarn, or may have a different composition. Moreover, such polyesters may also contain conventional additives, such as -23 - 200819569 such as pigments, dyes, deodorants, antifouling agents, fluorescent whitening agents, flame retardants, stabilizers, ultraviolet rays. Absorbent, smoothing agent. _ A polymethyl methacrylate-based polymer blended with an aromatic polyester of a sheath-sheath, a polymer or a polystyrene-based polymer, which may be an amorphous polymer having a random structure or a syndiotactic structure f, or may be A crystalline polymer of isotactic structure. Further, a copolymerization synthesizer may be contained within a range which does not impair the object of the present invention. When the molecular weight of these polymers is relatively small, there is a tendency to lower the effects of the present invention described below. Therefore, the weight average molecular weight is 2 Å or more, and particularly preferably in the range of 5,000 to 200,000. Specifically, the weight average molecular weight is 8,000 to 200,000, and the melt index a (as measured by ASTM-D1238, temperature 230 ° C, and a load of 3.8 kgf) is 10 to 30 g/10 minutes of polymethyl methacrylate. Copolymer or isotactic polymeric styrene polymer, or weight average molecular weight of 8 〇 (10) ~ 2 million, melt index B (according to ASTM-D 1 23 8 , temperature 3 〇 (rc, load 216kgf measured) 6 • 〜5 〇g/10 minutes is a better example of a polystyrene polymer, etc. When the polymer is melt-mixed and melt-spun in the above polyester, it is thermally stabilized. It is preferable that the stability of the property and the dispersion state is excellent, and it is presumed that the polymethyl methacrylate-based polymer and/or the polystyrene-based polymer are mixed in the polyester to form fine particles on the surface of the fiber. As a result of the convex portion, the result is that the frictional resistance between the fibers is lowered, and it is easy to be smoothed, thereby making it possible to realize a soft and smooth texture of the texture of the surface, and the glossiness at the time of dyeing is maintained at the same level as when it is not added. The effect of the above polymer The content is based on the weight of the polyester -24-200819569, the total amount must be 0.5 to 3.0% by weight, preferably 1.1 to 2.0% by weight. The content is less than 〇. 5% by weight, the fiber is reduced. The friction effect between the fibers is insufficient, and the texture of the obtained fabric becomes hard, so it is not desirable. Further, when the content is more than 3.0% by weight, not only the addition effect of the polymer is saturated, but also the spinning of the fiber and the elongation of the elongation process are achieved. If the properties are lowered and the yarn breakage is increased, it is not desirable. Moreover, a polymethyl methacrylate polymer and a polystyrene polymer may be used, but in this case, the total weight % of the two is in the above content. In the present invention, when the sheath yarn has the composition, the effect of improving the touch of the surface of the composite yarn is also improved, but the most important one is to mix the polymethyl methacrylate in the sheath yarn. In the case of a polymer or a polystyrene polymer, since the elongation ratio of the unmixed yarn of the same spinning speed is higher, when the composite false twist processing is performed, the mixed yarn can be easily blended with the composite yarn. Sheath, vice versa The antistatic wire of the object can be easily fitted to the core. # Moreover, the polyester composition forming the sheath portion can be adapted to the conventionally desired range without impairing the object of the present invention. Additives such as pigments, dyes, deodorants, antifouling agents, fluorescent whitening agents, flame retardants, stabilizers, ultraviolet absorbers, smoothing agents, etc. In the composite false twisted textured yarn of the present invention, the core yarn The filament group A and the sheath filament group B must have a silk length, in particular, the filament group B is 10 to 20% longer than the filament group A, and more preferably 12 to 18%. In this case, the yarn group A is mainly disposed in the core portion of the composite false twist processing yarn, and the yarn group B is mainly disposed in the sheath portion to form a core sheath structure. By the wire length difference ～25-200819569, the core wire which is stable in the longitudinal direction and has antistatic property is wrapped by the sheath wire, and can maintain high antistatic property and has good washing durability. In addition, it is more delicate than the sheath yarn, and has a soft texture of the processed yarn and the knitted fabric formed therefrom. In addition, it is possible to improve the rationality of the knitting process and to obtain the quality of the bureau. In the present invention, the crimping ratio of the composite false twisted textured yarn composed of the above-mentioned yarn group A and the yarn group B must be in the range of 2 to 8%, particularly, the crimping ratio in the range of 3 to 7%. By setting the crimp ratio within this range, a knitted fabric excellent in softness and texture can be obtained. On the other hand, when the crimp ratio is less than 2.0%, the gap between the yarns is too large as a woven fabric, and it is easy to enter a dye of a necessary amount or more during dyeing, and it is easy to cause staining, so it is not desirable. On the other hand, when it is more than 8.0%, the surface of the obtained woven fabric exhibits a white hue and exhibits a soft feeling, so that it is not desirable. In addition, the yarn group A or the yarn group B constituting the composite false twist processing yarn is taken out, and the crimping rate when each yarn is taken out separately can be the same or different from each other, and the winding of the yarn group B When the shrinkage ratio is large, since the yarn B is mainly disposed in the sheath portion of the composite false twisted textured yarn, it is desirable because the knitted fabric can improve the texture of the soft and smooth surface feel. The composite false twisted textured yarn of the present invention has a charged frictional pressure of less than 2000 V, preferably in the range of 500 V to 1500 V. The electric frictional pressure is used for the tube weaving of the composite false twisted textured yarn, dyed and humidity-adjusted. The antistatic property is determined by JIS L 1 094 Charging Test Method B (friction band voltage measurement method), friction band voltage When it is about 2000V or less (preferably 1 500 V or less), it can be evaluated as having an antistatic effect. -26 - 200819569 The composite false twisted textured yarn of the present invention has a total fineness of preferably 100 to 3,000 dtex, preferably 130 to 270 dtex, in order to easily adjust the weaving density as a woven fabric to an appropriate range. good. When the total fineness is less than 100 dtex, the stretch ratio is weak, and it is difficult to produce a sufficiently dense knitted fabric, so it is not desirable. Further, when it is larger than 30 Odtex, since the object of the knit fabric is excessively large, it is not desirable as a weaving time. Moreover, the ratio of the total fineness of the yarn group A to the yarn group B is finer, and the former/the latter is preferably 40/60 to 60/40, and the range of 45/55 to 55/45 is better. . Further, the single fiber fineness of the yarn group A and the yarn group B may be the same or different, but the average single fiber fineness must be 1 · 〇 to 5. Odtex, preferably 1.2 to 4. Odtex. When the average single fiber fineness is less than 1.0 dtex, since the yarn group A and the yarn group B are excessively mixed, it is difficult to find on the surface of the obtained knitted fabric, and therefore it is not desirable. Further, when the average single fiber fineness is more than 5. Odtex, the texture of the obtained knitted fabric is hardened, and the surface has an unpleasant touch, so it is not desirable. Further, when the single fiber fineness of the core wire and the sheath wire B are different, it is preferable that the composite false twisted textured yarn is disposed in the core portion of the yarn, and the single fiber fineness is preferable. However, when it is too large, the texture tends to be rough, and it is preferably 5.5 dtex or less. <Manufacturing method of composite false twisted textured yarn> The polyester composite false twisted processed yarn of the present invention as described above can be produced, for example, by the following method. In other words, when the polyester composite yarn is subjected to the elongation false twist processing, the polyester yarn for processing is used, and the polyester blended with the above polyalkylene oxide diol (a) and the ionic antistatic agent (b) is not stretched -27 - 200819569 Silk (A'), polyester unstretched yarn (B,) mixed with the above polymethyl methacrylate polymer and/or polystyrene polymer, and these filaments are simultaneously satisfied The extension and false twist processing are simultaneously performed under the conditions (1) to (4) below. (1) Air entanglement treatment is performed before false twisting, and more than 30 or more m is used for entanglement treatment. (2) Three-axis friction disc type is used. The disc at the lowermost part of the untwisting part is made of ceramic. The length of contact between the disk and the traveling wire is 2.5~0.5 mm, and the diameter of the disk is 90~98% of the diameter of the disk as a false twist tool, and (3) the false twisting processing temperature is 170~3 00 The temperature of °C, (4) The number of false twists T (times/m) is 1 5000/Y1/2'T$ 3 5000/YW2 for the fineness of the false twisted textured yarn (γ dtex). Here, there is a difference in stretch ratio between the unstretched yarn (A') formed by the core yarn and the high stretch ratio side undrawn yarn (B') formed by the sheath yarn, and the stretched yarn is not stretched. When the B' is 70 to 150%, particularly in the range of 90 to 130%, the obtained composite false twisted textured yarn has a texture of the obtained knitted fabric when the sheath portion is mainly blended with the strand group B. It is softer, so it is demanding. Further, when the difference in the stretch ratio is more than 150%, the texture feels soft and the tension is easily changed during the extension false twisting process, so that the yarn breakage frequency is increased and the processing cannot be performed stably. Further, after the low stretch ratio side undrawn yarn (A') and the high stretch ratio side undrawn yarn (B') are separately subjected to the spinning and winding, the yarn is twisted and supplied to the extended false twist processing. From different spinning nozzles, each polymer is melted and discharged at the same time as -28-200819569. After each group of filaments is cooled, it is combined and wound, and is supplied to the extended false twist processing. However, in the latter method, When the spinning speed is 2500 to 4000 m/min (particularly 3 000 to 3 500 m/min), the melt spinning comprises 0.5 to 3.0% by weight of polymethyl methacrylate polymer and/or polystyrene polymerization. The polyester of the product can be easily and efficiently produced by making the elongation ratio of the polyester 70 to 150% (especially 90 to 130%) larger than the unstretched yarn obtained by melt spinning at the same speed. Therefore, it is better. • In general, the yarn containing the antistatic agent is used in the present invention to prevent the fibrillation from being processed in the fibrillation process. In the present invention, the antistatic filament is placed on the core, and the core is wrapped by the sheath. In order to reduce the deformation during processing, substantially no fluffing occurs. In the method of the present invention, it is necessary to preliminarily form the low stretch ratio side undrawn yarn (A') and the high stretch ratio side undrawn yarn (B') as shown in the above, and form a spun yarn. The air entanglement treatment is carried out without extending the thread. The air entanglement process can also be carried out in a different process than the extended false twist processing. However, as shown in Fig. 1, the inner nozzle (4) is provided in the extended false twisting device, and is implemented before the extended false twisting process. Preferably. Thereby, by the difference in the stretch ratio, the generation of the granules is suppressed, and the handleability is favorably affected. In addition, when the false twist is performed by another internal nozzle (not shown), the heat-cured yarn is subjected to air entanglement treatment to completely homogenize the mixed fiber ridge, and the sheath wire is evenly wrapped in the longitudinal direction of the wire. The effect of the core wire can make the antistatic property with durability and have a high-grade feeling. When the degree of air entanglement treatment by the internal nozzle is too small, the low stretch ratio side strand group and the high stretch ratio side strand group in the extended false twist processing are separated by -29-200819569, due to the formation of the braid The surface of the fabric is likely to be uneven, especially when the stretch ratio between the undrawn yarns A' and B' is more than 30%, so the degree of intersection measured by the obtained composite false twisted silk is 30. Above /m, especially 40/above is preferred. Further, when the degree of symmetry given by the internal nozzle is too large, the entanglement between the monofilaments becomes too strong, and the texture at the time of forming the woven fabric tends to be rough, preferably 8 Å/m or less. Next, the undrawn yarn which is subjected to the entanglement treatment is placed, for example, in an extended false twisting machine having a two-stage heater as shown in Fig. 1 to form a polyester false twisted textured yarn having a crimping action. The first example is an unstretched yarn (1) in which two kinds of polyester compositions are simultaneously subjected to a spinning treatment, and an internal nozzle (4) provided between two pairs of supply rollers (3, 3') Air entanglement treatment is implemented. Here, the undrawn yarn subjected to the predetermined entanglement treatment is extended by the supply roller (3') and the first transport roller (8), and is rubbed by the disc with the false twist tool (7). Coronation. In the meantime, the first stage heater (5) is heat-treated in a twisted state, cooled by a cooling plate (6), and then decomposed by a false twist tool (7). Further, the traveling yarn is a second-stage heater (9) provided between the first transport roller (8) and the second transport roller (10), and is further heat-treated as necessary, and then thermally hardened. After the air entanglement treatment is performed on the false twisted yarn, the take-up drum (11) is taken up into a bobbin filament package (12) to produce an antistatic polyester composite false twisted textured yarn. At this time, in consideration of the extension false twist processing at a high speed, it is preferable that the first stage heater (5) and the second stage heater (9) are non-contact type. In particular, the second stage heater (9) is mostly SW-OFF (not using the -30-200819569 heat exchanger), depending on the texture required for the processing wire, etc. It can also be used. In the method of the present invention, the false twisting tool (7) is a ceramic having a 3-axis friction disc type disposed at the lowermost portion of the untwisting portion as shown in FIG. 2, and the traveling thread and the circle are made. The contact length of the disk is 2 · 5 to 0 · 5 mm ' In addition, it is important that the disk has a diameter of 90 to 98% of the diameter of the direct disk flowing thereover. In other words, the false twist tool (7) illustrated in Fig. 2 is a three-axis friction disc type in which two false twist discs (13) are provided on each of the three rotary shafts (15), and each rotary shaft (1 5) The respective false twisting discs (13) are rotated by rotating at a predetermined speed by a timing belt (16) driven by a driving belt (17). The method of the present invention uses a disc provided at least at the lowermost portion of the untwisting portion in the false twisting disc (13) (the disc provided under the rotary shaft on the left side in the second example) is made of ceramic, and the disc is The diameter is 90 to 98% of the diameter of the upstream direct disc (the disc provided below the central rotary shaft in the second example). Next, the contact length of the ceramic disc with the traveling wire is 2.5 to 0.5 mm. At this time, the material of the lowermost disc is preferably ceramic in terms of friction resistance. According to the inventors of the present invention, in the composite false twist processing of the present invention, the contact length between the traveling thread and the disk is 2.5 to 0.5 mm, and after the twisting treatment is completed, the volume can be reduced as much as possible. The contact area of the reduced state yarn is added to the final untwisting portion to reduce the resistance, and as a result, the fluffing condition can be remarkably reduced, and the diameter of the disc above it is 90 to 98°/. In the range where the guide wire is moved to the subsequent stage (specifically, heat hardening), the effect of the friction enthalpy is reduced and the movement can be smoothly performed. -31 - 200819569 Where it is confirmed that the contact length of the traveling yarn to the disc is 2 · 5 to 0.5 mm, it is particularly effective in that the processing fuzzing can be remarkably reduced. The method of the present invention can significantly reduce the processing fuzzing situation by combining the above various conditions. Further, when it is outside this range, the processing of the hairiness is caused, which is a factor that adversely affects the quality of the fabric, the unwinding property, and the quality of the fabric product. The false twist processing temperature of the present invention must be 170 to 300 °C. When the temperature is less than 170 °C, the crimping performance is lowered and the texture is hard. When the temperature is more than 300 °C, the flattening of the processed yarn is extremely caused, and the processing fluffing occurs, so it is not desirable. When a device having a non-contact heater as a false twisting machine is used, it is preferable to heat-treat the first stage non-contact heater at a set temperature of 170 to 300 °C. Moreover, the appropriate heater temperature referred to herein is a non-contact type with a length of 1.0 to 1.5 m and a wire speed of 800 m by a commercially available false twisting machine (the Teijin mechanism 216 hammer HTS-15V). Since the type is divided into equal parts, etc., it is of course necessary to appropriately adjust the set temperature when a special heater is used and processing is performed at an ultra-high speed. Here, the first heater in the twisting range is to increase the elongation of the unstretched yarn and the false twisting workability (twisting property), and the temperature is less than 17 ° C when the non-contact heater is used. The twisting property is lowered, and the crimping action of the object of the present invention cannot be imparted, and the texture when forming the braid is similar to paper. In addition, there are cases where the yarn breakage and the fluffing occur when the false twisting process is performed, and it is easy to cause a stain spot or a stain spot when dyeing, and therefore it is not desirable. In addition, when it is more than 300 °C, the monofilament cutting is easy to occur during the extension false twisting process, especially the unstretched yarn (B,) on the high stretch ratio side is liable to cause the monofilament cut-off-32-200819569 The obtained polyester composite false twisted textured yarn is mostly raised, so it is not required. Further, by extending the pattern of the false twisting machine, the first stage heater is divided into the front half and the rear half, but the first half and the rear half of the first stage heater can be set to the same temperature in the method of the present invention. Further, the heat treatment time of the yarn in the first stage heater is appropriately set depending on the type of the heater, the length thereof, and the temperature thereof. When the heat treatment time is too short, the crimp ratio is likely to be insufficient, and the tension variation is likely to occur. The Φ is caused by the extension of the false twisted yarn, the flicking of the false twisted yarn, and the staining on the knitted fabric, and when the length is too long, the crimping ratio tends to be too large. Therefore, when heat treatment is performed by a non-contact heater, it is usually in the range of 0·04 to 0.12 second, particularly in the range of 0.06 to 0.10 second. In addition, the stretching ratio at the time of processing is 1.4 to 1.7, which is the most suitable range. When the ratio is outside the range, the low-magnification side will generate thermal hard spots due to spurs, occurrence, and shake, and the high-magnification side will be processed. The flattening of the silk causes the processing of the fluffing, so it is not desirable. Φ The number of false twists is set to [(1 5000~3 5000 ) /Y1/2] times/m when the fineness of the composite false twisted yarn is Y (dtex ), preferably set to [(20000~3 0000) ) /Y1/2] times / m range. When the number of false twists is less than 15,000/Y 1/2 times/m, it is not easy to impart a firm curling effect to the paper which is finely curled, and the texture is hard. When the number of false turns is more than 3 5000/Y1/2 times/m, most of them are prone to breakage and fluffing. In the present invention, it is necessary to perform air entanglement treatment on the polyester unstretched yarn which is supplied to the extended false twisting device, combined yarn or spun fiber mixture. The air entanglement treatment can be carried out separately from the extension false twisting treatment, and it is preferable to provide an internal nozzle in the extended false twisting device as shown in Fig. 1 - 33 - 200819569, and to perform air entanglement treatment on the yarn before extending the false twist. The degree of air entanglement is carried out at a degree of entanglement measured by the polyester false twisted textured yarn of from 30 to 80 / m, preferably from 50 to 70 / m. When the degree of entanglement is less than 30/m, the degree of mixing between the filaments constituting the polyester unstretched yarn is not good. Due to the poor relaxation of the extended false twisting process, most of them will be broken and twisted. The monofilament is cut off, etc., so it is not an attempt. Further, when the degree of entanglement is more than 80 pieces/m, the degree of entanglement between the monofilaments constituting the polyester false twisted textured yarn is too strong, and the strands are hardened, so that it is not desired. The size of the disc of the false twisting tool is not particularly limited, and a disc having a diameter of 40 to 70 mm is preferable, and a disc having a diameter of 45 to 62 mm is more preferable. For example, the false twist units arranged on the three axes shown in Fig. 2 are assembled using two discs. When the diameter of the disc is less than 40 mm, the strand group A' is increased due to the friction of the disc, and most of the yarn breakage and fluffing are likely to occur. Further, when it is larger than 70 mm, it is difficult to impart sufficient curling action by the reduction of the twisting force of the disk. The angle of travel of the thread of the disc (the angle between the axis of rotation of the disk and the thread that makes contact with the outer circumference of the disk) is preferably 30 to 48 degrees, particularly 32 to 45 degrees. The range is better. Thereby, the twisting force on the disk is not reduced, and the wire feeding action can be lifted, and the twisting and decompression processing can be performed in a stable state. In general, the filament containing the antistatic agent is easy to fibrillate, and it is easy to cause fuzzing during the false twist processing. However, in the present invention, the anti-I# filament strip is disposed in the core portion and The pin section wraps the core to reduce the deformation during processing, and it is not easy to produce fluff during processing, and because of the selection of the false twisting processing conditions as described above, the two sides are combined and the fluffing is rarely generated. Extremely good composite false twist processing wire. The composite false-twisted yarn of the present invention thus obtained can be formed into a woven fabric by, for example, a water-free spray chamber or the like. In this case, the woven fabric is excellent in texture, and the woven fabric can be smoothly processed without breaking the yarn. Then, the fabric formed by the polyester composite false twisted textured yarn of the present invention has good antistatic Φ properties, and has a very deep depth in the evaluation of the function, and has a high-grade feeling, a soft and good swelling feeling, and is formed like a short fiber. Texture. [Embodiment] In the following, the present invention will be more specifically described by way of examples and comparative examples. Further, each of the measurement oximes shown in the examples is oxime measured by the following method. In addition, in the example, it is abbreviated as "part", and when it is not specifically limited, it means weight part. (1) Intrinsic viscosity The aromatic polyester composition was dissolved in o-chlorophenol and measured at 35 ° C using a capillary viscometer. (2) Spinning Broken Wire One-step melt spinning treatment was carried out by a melt spinning apparatus, and the number of broken filaments was recorded, and the number of spinning breaks equivalent to one hammer per day was used as the yarn breakage. However, the number of broken wires is subtracted from the number of broken wires due to artificial or mechanical factors. -35- 200819569 (3) Birefringence The retardation of the polarized light observed on the surface of the fiber was determined by an ordinary method using an optical microscope and a subsider. (4) Walking angle The thread that travels on the false-twisted disc is photographed, and the walking angle 丝 of the thread on the disc of each false-twist disc is measured on the photograph, and the average 値 of the 値 is measured as the walking angle. (5) Extending the false twisted wire to build the "HTS-15V" (2 heater non-contact heater form) with the Teijin system, and the extension false twist processing is continuously carried out for 1 week to extend One set of false twisting machine · The number of broken wires on the 1st is used as the extension false twisted wire. However, the number of broken wires, such as the broken wire before and after the wire, or the broken wire during automatic replacement, is reduced by the number of broken wires due to human or mechanical factors. (6) Crimping rate The tension of 〇.〇44cN/dtex was applied to the polyester false twisted textured yarn sample, and taken up on the frame to form a frame of about 3300 dtex. Two loads such as 0.0177 cN/dtex and 0.177 cN/dtex were loaded on one end of the frame, and the length S0 (cm) after 1 minute was measured. Then, it was treated in boiling water of 1 〇 〇 ° C for 20 minutes while removing the load of 0.177 cN/dtex. After boiling water treatment -36-200819569, the load of 〇.〇177cN/dtex was removed, and it was naturally dried in a free state within 24 hours, and then loaded with 〇.〇177cN/dtex and 0.177cN/dtex, and measured by 1 The length after minutes is taken as S 1 ( cm ). Then, the load of 0.1 77 cN/dtex was removed, and the length after 1 minute was taken as S2 (cm), and the crimp ratio was calculated by the following formula. Further, in the present examples and comparative examples, the average enthalpy of enthalpy was measured in 1 time. Crimping rate (%)=[( S1-S2) /S0]xl00 (7) The strength and elongation of the false twisted textured yarn and the composite false twisted textured yarn are determined based on JIS L-1013-75. Tensile breakage rate. (8) The number of raised hairs was measured using a DT-104 type hair raising device made by Donglei (transliteration), and the polyester false twisted silk sample was continuously measured at a speed of 5 〇Om/min for 20 minutes to calculate the number of occurrences. It is expressed by the number corresponding to the length of the sample of 10,000 m. (9) Texture By the expert's functional inspection, it can be divided into the following levels. (Soft feeling) Level 1: Soft and lustrous touch level 2: Slightly lacking softness and rebound feeling -37- 200819569 Level 3: Sandy touch or hard touch (short fiber feel) Level 1: Extreme Huge, rich in short-fiber level 2: Slight lack of short-fiber level 3: Similar to the touch of a flat thread or a hard touch. (1 〇) Chargeability test: Method A (half-life measurement method) fe film to (static). After the false twisted processing wire is subjected to tube knitting, dyeing, and humidity control, the test corona discharge field is charged, and the voltage decay is measured to a 1/2 time (seconds (seconds) by a charged charge decay tester). (1 1 ) Charge test: Method B (friction band voltage measurement method) ί Method B The pressure is about static, so that the test piece is rotated and rubbed with a rubbing cloth. The measured voltage is based on the IS 1 1 094 chargeability test method (friction band voltage measurement method). The frictional charge is less than 2〇oov (preferably less than l5〇OV). (1 2 ) The degree of entanglement is 0.2 cN / , and the dtex load is suspended by the wire end of the polyester spur burning wire of about 1.2 m. The fixed point of the eagle set from the upper erect. The vertical pendulum is a fishing needle type hook that is equivalent to the weight of the 〇·1 cN/dtex load, and '38. 200819569 square fixed point is inserted into the fishing needle type hook, waiting for the hook to fall naturally, and then taken out. Then, Reinsert the position 2mm from the stop point, Perform the same operation, repeating the length of the wire by 1 m, and the number of times the hook is stopped as the degree of symmetry (units/m). (13) Melt viscosity (MVPM, MVPS, MVPEs) Polymethyl methacrylate The melt viscosity (MVPM, MNPS, and MVPEs) of the polymer, the polystyrene polymer, and the polyester was measured using a Shimadzu flow tester manufactured by Shimadzu Corporation using an orifice having a diameter of 0.5 mm and a hole length of 1 mm at a cylinder temperature of 295. The measurement was carried out under a load of ° C and 20 KG. The extrusion pressure at this time was measured and the enthalpy of the viscosity was extrapolated. The measured melt viscosity MVPEs of the matrix polyester was 1 400 poise. The ratio of the melt viscosity of the polymethyl methacrylate polymer or the polystyrene polymer (1 4 ) The melt index of the melt index polymethyl methacrylate polymer or polystyrene polymer to ASTM D - 1 23 8 is measured. (1 5 ) The difference in stretch ratio is such that the unstretched wire sample is placed in a constant temperature and humidity room at a temperature of 25 ° C and a humidity of 60% for one night, and then the sample of length 100 mm is fixed. (share) stretching by Shimadzu Manufacturing Co., Ltd. The tenter of the test machine was stretched at a speed of 2 〇〇mm/min, and the load-extension curve was recorded. From the recorded figure 2 group -39-200819569, the tensile curve of the yarn was formed, and each pull-off was read. When the tensile enthalpy is pulled as the unstretched yarn group A' and the unstretched yarn group B', and the yarn strand group (A) and the yarn group (B) are measured, the tenter tensile tester is used. The obtained load curve group is stretched at the time of breaking. The strand group (A) (Ea%) and the polystyrene polymerized methyl acrylate polymer containing the amorphous polymer are obtained (B) The elongation ratio (値(Eb) - (Ea) is used as the difference in stretch ratio. In addition, when the yarn group A of the hair strand precursor is entangled with the yarn group B, the yarn group A and B are individually sampled and individually measured, even if measured by the entangled mixed filament state. Since the elongation at break of the yarn group A and B can be recognized from the obtained, the elongation measurement is carried out in the state of the filament here. Further, it was confirmed that the measurement of the elongation ratio of the mixed yarn tends to be 10 to 20% lower than that of the individual sample, but the difference in elongation is the same. (1 6 ) The wire length difference between the yarn group A and the yarn group B is applied at one end of the composite false twisted wire of 5〇Cm, and the load is dd (0.2g/de), vertically suspended, correctly B mark . After removing the load, cut the mark part correctly and sample. Ten filaments and filaments of the sheath portion were taken out from the sample, and 〇.〇3cN/dtex (1/30 g/de) was directly suspended from each of the filaments, and each length was measured. For each of the ten samples, the average enthalpy is Lb (sheath length) and La (core length ratio, and the difference in elongation ratio is determined by the difference in the elongation ratio of each of the yarns or polymethyl Eb. The difference of %) is better because the stretching ratio of the mixed measurement is better, and the load-holding curve of the sample can be directly measured at the measurement force of the sample yarn after the mixing of 0. 1 7 6 c N > 5 cm interval is made 1 〇 The load of the single core portion, the measurement of the vertical description, ), the difference in wire length is calculated by the following formula -40-200819569. Wire length difference = (Lb-La) / Lb X 100% [Examples] Examples 1 to 3, Comparative Examples 1 to 5 100 parts of dimethyl terephthalate and 60 parts of ethylene were added to the transesterification reaction tank. Alcohol, 0.06 parts of calcium acetate 1 water salt (0 · 0 6 6 mol% of dimethyl terephthalate) and 0.1 3 parts of cobalt acetate 4 water salt as a color former (dimethyl terephthalate) The ester is 0·01 mol/〇), the reactant is subjected to a nitrogen gas atmosphere for 4 hours, the temperature is raised from 140 ° C to 220 ° C, and the methanol formed in the reaction tank is distilled off to the outside of the system. The transesterification reaction is carried out. After completion of the transesterification reaction, 0.058 parts of trimethyl phosphate (0.080 mol% for dimethyl terephthalate) as a stabilizer and 0.024 parts of dimethyl group as an antifoaming agent were added to the reaction mixture. Oxane. Then, after 10 minutes, 0.041 parts of ammonium trioxide (〇·〇27 mol% of dimethyl terephthalate) was added to the reaction mixture, and excess ethylene glycol was distilled off and the temperature was raised to 240 ° C. Next, the reaction mixture was transferred to a polymerization tank. Then, the reaction product obtained by the polycondensation reaction was heated from 760 mmHg to 1 mmHg in 1 hour and 40 minutes, and the temperature was raised from 240 ° C to 280 ° C, and each part by weight as shown in Table 1 was added under vacuum. The water-insoluble polyoxyethylene-based polyether {antistatic agent (a) } and sodium dodecanebenzenesulfonate {antistatic agent (b) }' are further subjected to a polycondensation reaction for 240 minutes, followed by a vacuum Next, 4 parts of 抗. 4 parts of Chiba Cage (Transliteration) Co., Ltd. - 41 - 200819569 1010 (registered trademark) were added as an antioxidant, and then a polycondensation reaction was carried out for 30 minutes. The polymer obtained by adding an antistatic agent to the polymerization process is flaky by the usual method f. The aromatic polyester composition containing the antistatic agent had a characteristic viscosity g of 0.6 5 7 and a softening point of 2 5 8 °C.

C j Η! HI

^CH2 CHO ^mfj C J H2 iU The obtained sheet was dried by a usual method. Then, the dried flakes are supplied to a melt spinning apparatus, each of which is melted in a usual manner and passed through a rotating zone to be introduced into a rotary box. The circular discharge holes incorporated in the rotary box are discharged from 36 spinning nozzles, and are cooled and hardened by cooling air from a general cross-flow type spinning drum to impart a spinning oil and to be bundled. A strand of yarn was drawn at the speed shown in Table 1 to obtain a polyester unstretched filament of 140 dtex/36 monofilament. The birefringence of each unstretched filament is shown in Table 1. The polyester unstretched yarns are hung from the extension false twisting machine 216 manufactured by Teijin Co., Ltd., and the HTS-15V is built as shown in Fig. 1, before and after the extension false twisting process. The air entanglement was carried out by an internal nozzle having a pressure-blowing hole having a hole diameter of 1·8 mm and at a flow rate of 60 nL/min, and the degree of intersection of the processed wires was 50/m, and the first stage heater was set to have a stretching ratio of 1.60. Non-contact type) Temperature 25 ° ° C conditions, and 3-axis friction disc type false twist tool, with a walking angle of 43 ° degrees, false twists xY1/2 = about 42-200819569 26000 [only Υ = false twist processing Under the condition of total filament denier (dtex), the elongation false twist processing was carried out, and the shape of the cheese was taken up at a speed of 8 〇Om/min to obtain a polyester dummy of 84 dtex/36 monofilament (average single filament fineness 2.1 dtex).捻 Processing silk. The physical properties of the obtained polyester false twisted textured yarn are shown in Table 1. The false twist tool used at this time uses the 3-axis friction disc type shown in Fig. 2, and the lowermost disc located at the untwisting portion is made of ceramic, so that the contact length of the disc with the traveling thread is 1.5. Mm, and the diameter of the disc is 57 mm, which is 9.5 % of the diameter of the disc directly above it, except that the ceramic at the bottom of the untwisting portion is made of a disc, having a diameter of 60 mm and a thickness of A false-twist disc made of 9 mm polyurethane. Next, using the obtained false twisted textured yarn, a knitted fabric woven material was produced, and the antistatic property was measured. The antistatic performance results of the woven material are shown in Table 1. Further, the false twisted woven yarn of the present invention obtained as described above was woven in a water spray chamber without smudging and smudging to form a flat fabric of 135 g/m2. At this time, the weaving property is good, and there is no broken yarn in the weaving. After the weaving, the flat fabric was subjected to a relaxation treatment in boiling water for 20 minutes using a liquid flow dyeing machine, and then, after pre-fixing treatment, alkali reduction treatment was carried out in a 3.5% by weight aqueous sodium hydroxide solution at a boiling temperature ( The reduction rate is 20%). Further, dyeing and final fixing treatment were carried out to form a fabric composed of polyester false twisted textured yarn. When the functional evaluation of the fabric obtained by the application was evaluated, it was a very deep and high-grade feeling of a short-fiber texture that was soft and good in swelling (眚Examples 1 to 3) 〇-43- 200819569 In addition, The polyester false twisted textured yarn produced outside the conditions of the present invention was evaluated as the same fabric (Comparative Examples 1 to 5). The results of the implementation of Examples 1 to 3 and Comparative Examples 1 to 5 are shown in Table 1 below. Further, the specific composition of the antistatic agent (a) (b) in Table 1 is as follows. Antistatic agent (a): water-insoluble polyoxyethylene-based polyether antistatic agent (b) • Sodium dodecylbenzene sulfonate (the number in Table 1 is 对 for 100 parts by weight of aromatic polyester) The weight of the statement).

-44- 200819569 Table 1 Comparison of Implementation Implementation Comparison Comparative Example 1 Example 2 Case 3 Case 1 Case 2 Case 3 Case 4 Case 5 Antistatic Agent (8) 4 4 4 4 0 0 4 4 Antistatic Agent (b) 2 2 2 0 2 0 2 2 With or without antistatic agent (8), (b) Yes, (a) 5(b) are all (8), (8) are only (4) only (b) Ai 11~ 1111 J\ \\ (a), ( b) All have (8), (b) have birefringence 0.035 0.02 0.05 0.03 0.03 0.03 0.015 0.055 spinning speed (10) points 3000 2000 4500 2800 2800 2800 1500 5000 extension ratio (times) 1.8 2.4 1.4 2.0 2.0 2.0 2.5 1.3 volume Reduction rate (%) 15 11 19 15 13 17 10 18 Charge test A method (seconds) 15 30 15 75 105 150 70 78 B method (V) 1000 1100 800 2800 1850 3200 2100 2000 Texture and softness (sequence) 1 1 1 3 3 3 3 3 Spinning wire breakage (time/day) 3 5 7 8 98 6 235 125 Extending false twisted wire breakage (time/day) 3 6 9 19 89 6 432 112 Fleece (/l〇 4m) 3 5 7 48 285 15 321 548 Thread strength (cN/dtex) 3.8 3.4 3.8 3.5 2.3 3.8 3.0 2.3 Thread elongation (%) 26 21 24 25 16 28 14 15

Examples 4 to 6 and Comparative Examples 6 to 7 The polyester undrawn yarn obtained in Example 2 was subjected to elongation false twist processing under the conditions shown in Table 2 to obtain a polyester false twisted textured yarn of the physical properties shown in Table 2. . At this time, the extension false twist and the occurrence of fluffing are shown in Table 2. Next, the polyester false twisted textured yarns were evaluated for their quality by the above method, and the results shown in Table 2 were obtained from -45 to 200819569. Table 2 Example 4 Example 5 Example 6 Comparative Example 6 Comparative Example 7 Lowermost disc contact length (dish 11) 1.5 2.5 0.5 2.7 0.3 Spun yarn breakage (time/day) 3 3 6 3 51 Extension false twist Broken wire condition (time/曰) 4 5 7 51 93 Fracture of the wire (1/i〇V) 3 5 8 48 151 Weaving, stop (time/曰) 2 2 3 28 63 Crimping rate (%) 14 15 16 17 15 False twisted yarn speed (eN/dtex) 3.3 3.4 3.0 2.8 2.4 Yummy twisted yarn elongation (%) 22 23 21 18 12 Texture and softness (sequence) 1 1 1 3 3 Antistatic Method A (seconds) 15 28 23 58 51 Antistatic B method (V) 1100 1090 1250 1800 1900 Remarks Process uncoordinated process uncoordinated Examples 7 to 9 and Comparative Example 8 to 1 〇 • The polymerization obtained in Example 2 The ester unstretched yarn changes the contact length of the lowermost disc in the false twist processing, and the ratio of the disc diameter to the disc diameter (standard) of the upper side thereof (St. %), as shown in Table 3 The extended false twist processing was carried out to obtain a polyester false twisted textured yarn of the physical properties shown in Table 3. At this time, the extended false twisting and the occurrence of fluffing are shown in Table 3. The results of Table 3 were obtained by evaluating the quality of these polyester false twisted textured yarns as described above. -46- 200819569 Table 3 Disk contact length mm Disk diameter 31 vs% Machined wire St/EL% Crimping rate % Processing fluffing condition /1〇4 Comparative example 8 2.7 88 2.4/13 14 86 Comparative example 9 6.0 100 2.3/11 14 351 Comparative Example 10 0.3 88 2.6/14 15 69 Example 7 1.0 95 3.4/24 16 3 Example 8 2.0 91 3.5/23 16 5 Example 9 0.5 98 3.3/21 16 5 [Note] Table 3 The "S t contrast" in the system indicates the ratio (%) of the disk diameter (standard) on the directly upper side of the diameter of the lowermost disk. Further, "St/EL%" of the processed yarn, St represents tensile strength (cN/dtex), and EL represents elongation (%). Example 1 〇~1 3, Comparative Example 1 1 to 1 4 The polyester obtained in Example 2 was not stretched, except for the number of false twists \ 1/2 1/2 {where Y is a false twisted silk fineness (dteX) The false twist processing was carried out under the same conditions as in Example 2 except that the processing temperature was as shown in Table 4, and the polyester false twisted yarn shown in Table 4 was obtained. The extension of the false twist and the occurrence of fluffing are shown in Table 4. The polyester false twisted textured yarns were evaluated for their quality by the above method, and the results shown in Table 4 were obtained. 0 - 47 - 200819569 Table 4 捻 several times / m false twist temperature ° c crimp ratio % Processing fluffing situation / 104m antistatic A method (seconds) Example 10 26000 180 13 1 3 25 Example 11 " 200 15 1 4 30 Example 12 // 250 16 1 6 18 Example 13 // 300 18 1 8 21 Comparative Example 11 // 310 20 3 ☆ 148 60 Comparative Example 12 // 160 8 3 106 63 Comparative Example 13 36000 200 15 3 173 60 Comparative Example 14 14000 200 12 3 131 67 [Note] ☆ Hard texture (with Rustling sound) Example 1 4 to 1 6 , Comparative Example 1 5 to 1 7 The water-insoluble polyoxyethylene-based polyether {antistatic agent (a) } and dodecane obtained by the method of Example 1 A dry polymer of sodium benzenesulfonate {antistatic agent (b)} is used as A 1 . Further, in the polyethylene terephthalate (PET) having an intrinsic viscosity of 0.64 and a softening point of 2,58 ° C, each of the polystyrene polymers (PS ASTM-D 1 ) in the amounts shown in Table 5 was used. 23 8 is the basis of the melt index (measured at 300 ° C, load 2·16 kgf) is 1 〇g / l 〇) or polymethyl propyl methacrylate polymer (PMMA: ASTM-D 1 23 8 is a reference melt index (measured at a temperature of 230 ° C and a load of 3.8 kgf), and pellets of polyethylene terephthalate blended in an amount shown in Table 5 are prepared and dried in a usual manner. Polymer B 1 ) The above-mentioned dry polymer A1 and dry polymer b丨 were each melted in a conventional spinning apparatus equipped with two screw extruders, and each was melted by a conventional method, and introduced into a composite by a rotary-48-200819569 transition zone. Spinning rotary box. The polymer A1 is spit out from a spinning nozzle which is inserted into the rotating assembly and is provided with 36 circular discharge holes, and the polymer B1 is self-assembled into the rotating assembly and has 48 circles. The spinning nozzle that spits out the hole is spit out. Then, the two groups of the polymer streams that are discharged are cooled by a general cross-flow type spinning drum. The wind was cooled and hardened, and the spinning oil was applied and bundled into a strand, which was drawn at a speed of 3,200 m/min to obtain a polyester unstretched yarn of 280 dtex/84 monofilament (Examples 14 to 16). Further, in the comparison, the same experiment was carried out except for the conditions of the present invention (Comparative Examples 15 to 17). As shown in Table 5, in Comparative Example 15 in which the addition amount of polystyrene (PS) was less than 0.5% by weight, The difference in stretch ratio between the two unstretched filament groups is less than 70%, and the difference between the length of the false twisted silk yarn group and the yarn group B is less than 10%. Process stability during melt spinning As shown in Table 5, in Comparative Example 2 in which the addition amount of polystyrene was more than 3.0% by weight, most of the yarn breakage occurred in the spinning process. # The polyester unstretched yarns were each suspended from the Teijin machine. The extension false twisting machine 216 hammers the "HTS-15V", as shown in Fig. 1, in the front and rear sections of the extended false twisting process, each passes through an internal nozzle having a hole diameter of 1.8 mm and is 60nL. Air flow rate at a flow rate of 50 parts/m at the processing wire, and the extension ratio is set to 1.60, the first stage Heater (non-contact type) temperature 25 (TC condition, a polyurethane disc with a diameter of 60 mm and a thickness of 9 mm as a false twist disc, with a walking angle of 43 degrees, a false twist number xY1/2 = about 26000 [When γ = false twisted silk (Dtex)], the extension and false twist processing were simultaneously carried out, and the shape of the cheese was taken up at a speed of 800 m/min at -49-200819569 to obtain 18〇dtex/84 single. Polyester composite false twisted textured yarn of silk (average single filament fineness 2.1 dtex). The core portion constituting the polyester composite false twisted textured yarn is a low stretch ratio side strand group A (90dteX/36 monofilament) formed of the polymer A1, and the sheath portion is a high pull formed by the polymer B1. Extensible side strand group B (90dtex/48 monofilament). These polyester composite false twisted textured yarns were formed into a fabric in the following manner to evaluate the quality. The results are shown in Table 5. As is clear from Table 5, in Comparative Example 15, the amount of polystyrene added was less than 0.5% by weight of the woven fabric, and a hard feeling was formed. In Comparative Example 2 in which the addition amount of polystyrene was more than 3.0% by weight, the occurrence of elongation false twisting and fluffing occurred in a large amount. Further, knitwear was knitted using the obtained composite false twisted textured yarn, and the antistatic property was measured. The results of the antistatic properties are shown in Table 5. Next, the above composite false twisted textured yarn is subjected to a relaxation treatment in boiling water for 20 minutes using a liquid flow dyeing machine, and then pre-fixed, followed by dyeing and final fixing treatment to form a polyester composite false twisted textured yarn. The fabric made. Further, in the weaving process of the composite false twisted textured yarn of the present invention, when the flat fabric is formed in the water spray chamber without flaws and smears, the weaving property is good, and there is no broken yarn, which is extremely smooth. Further, after the weaving, the fabric was subjected to a relaxation treatment in boiling water for 20 minutes using a liquid flow dyeing machine, and then, after pre-fixing treatment, alkali reduction treatment was carried out in a 3.5% by weight aqueous sodium hydroxide solution at a boiling temperature. (The reduction rate is 20%). Further, dyeing and final fixing treatment were carried out to form a fabric composed of a polyester composite false twisted textured yarn. -50-200819569 When the functional evaluation of the fabric obtained in the present invention (Examples 14 to 16) was evaluated, it was a very short and high-grade feeling, and it was a soft fiber and a good feeling of swelling. Table 5 Example 14 Example 15 Example 16 Comparative Example 15 Comparative Example 16 Comparative Example 17 Additive for Polymer B PS*1 PS*1 PMMA*2 PS*1 PS*1 PS*1 PS”/PMMA*2 Add Amount (% by weight) 0.5 1.5 3.0 0.3 3.5 1.5 Types of antistatic agents in Polymer A" (8) and (b) (8) and (b) (a) and (b) (a) and (b) (a) (b) Only (8) A' and B' stretch ratio difference (%) 70 110 150 50 180 105 Average yarn length difference between the yarn group A and the yarn group B (%) 10 13 20 8 23 12 Crimping rate (%) 7.1 5.5 3.1 4.7 4.9 5.1 Charge test eight methods (seconds) 25 25 35 60 105 150 Same as B method (V) 1500 1100 1000 1900 1880 3200 Short fiber feeling (sequence) 1 1 1 3 3 1 Soft feeling ( Sequence) 1 1 1 3 3 2 Spinning wire breakage (time/day) 1 3 5 4 70 2 Extended false twisted wire breakage (time/day) 5 7 9 10 98 4 Processed wire fluffing condition (pieces/104m) 2 1 5 15 258 7 Thread strength (cN/dtex) 2.3 2.4 1.9 2.5 1.2 2.4 Machine wire elongation (%) 23 22 19 24 13 21 *1.PS: Polystyrene polymer*2. PMMA: Polymethyl methacrylate polymer * 3 . Antistatic agent: (a) Water insoluble polyethylene oxide system Ether (b) sodium dodecanebenzenesulfonate-51 - 200819569 Example 1 7 to 19 9. Comparative Example 1 8 to 1 9 The polyester undrawn yarn obtained in Example 15 was subjected to the false twist shown in Table 6. The conditions were subjected to the extension false twist processing, and the polyester composite false twisted textured yarn shown in Table 6 was obtained. At this time, the extension false twisting and the occurrence of fluffing are shown in Table 6. The results of Table 6 were obtained by making these polyester false twisted textured yarns evaluated in the above manner. At this time, there is little deformation by enclosing the core wire (anti-static component), and it is understood that it is extremely important in terms of antistatic property in the case of no fluffing.

-52- 200819569 Table 6 Example 17 Example 18 Example 19 Comparative Example 18 Comparative Example 19 Contact length of the lowermost disc (mm) 1.5 2.5 0.5 2.7 0.3 Spun yarn breakage (time/day) 3 3 6 3 51 Fake 捻 broken wire condition (time/day) 4 5 7 51 93 Threading (10%) 3 5 8 48 151 Weaving, shutdown (time/print 2 2 3 28 63 shrinkage (%) 4.0 5.1 6.3 7.6 5.1 False twisted yarn speed (cN/dtex) 2.3 2.4 2.0 1.8 L4 False twisted yarn elongation (%) 22 23 21 18 12 Texture and softness (sequence) 1 1 1 3 3 Texture • Short fiber feel (Sequence) 1 1 1 3 3 Antistatic A method (seconds) 25 38 33 58 51 Antistatic B method (V) 1100 1090 1250 1800 1900 Remarks No problem No problem No problem Process uncoordinated Process uncoordinated Example 20 ～22, Comparative Examples 20 to 22 In Example 14, except that the contact length of the lowermost disk was changed, and the ratio of the disk diameter to the disk diameter (standard) of the upper side thereof was outside (St vs. %) The same experiment was carried out. The results are shown in Table 7. -53- 200819569 Table 7 Disc contact length _ Disc diameter St vs% St/EL% Crimping rate % Processing fluffing condition (unit / l 〇 4 m) Comparative Example 20 2.7 88 1.4/13 4 86 Comparative Example 21 6.0 100 1.3/11 4 351 Comparative Example 22 0.3 88 1.6/14 5 69 Example 20 1.0 95 2.4/24 6 3 Example 21 2.0 91 2.5/23 6 5 Example 22 0.5 98 2.3/21 6 5

[Note] The "St contrast" in Table 7 indicates the ratio (%) of the diameter of the disk directly above the diameter of the lowermost disk. Further, "St/EL%" of the processed yarn, St represents tensile strength (cN/dtex), and EL represents elongation (%). Example 2 3 to 2 6 , Comparative Example 2 3 to 2 6 The polyester undrawn yarn obtained in Example 15 was subjected to the conditions shown in Table 8 except for the number of false twists and the false twisting processing temperature. 2 The extension false twist processing was carried out under the same conditions, and the polyester composite false twisted textured yarn shown in Table 8 was obtained. At this time, the extended false twisting and the occurrence of fluffing are shown in Table 8. Further, the results of the results shown in Table 8 were obtained by evaluating the quality of the polyester false twisted textured yarns in the above manner. Further, the "number of turns" shown in Table 8 is the number of turns xY1/2, and the total fineness (Y) of the composite false twisted textured yarns is 180 dtex. In such experiments, it was also confirmed that there was little deformation by encapsulating the core antistatic component, and it was found that it was extremely important in terms of antistatic property in the absence of fluffing. -54- 200819569 Table 8 False 捻 several times / m False 捻 temperature °c Crimping rate % Materialy soft feeling (sequence) Materialy short fiber sensation) Processing fluffing condition (pieces / 104m) Antistatic A method ( Second) Antistatic B Method (V) Example 23 26000 180 3 1〇1〇3 35 1500 Example 24 // 200 5 1〇1〇4 40 1450 Example 25 // 250 6 1〇1〇6 28 1500 Example 26 // 300 8 1〇ι〇1 8 31 1350 Comparative Example 23 // 310 10 3iir 3x 148 60 1800 Comparative Example 24 η 160 1 3x 3x^ 106 63 1900 Comparative Example 25 36000 200 5 3x 3x 173 60 1800 Comparative Example 26 14000 200 2 3x 3x* 131 67 1900 [Note] 〇: Good, ☆: Hard texture (with rustling sound), X: Poor

★: Insufficient bulkiness [Industrial use price] The polyester false twisted textured yarn of the present invention has excellent antistatic properties because it contains the above-mentioned antistatic agent. In other words, the present invention can perform the false twist treatment at a high speed and in a stable manner without the deformation of the monofilament portion during the false twist processing, and the anti-static treatment can be performed at a high speed and stability. Sex. This effect is remarkable in high-pressure dyeing, and has practically strong heat resistance. In addition, it has good light fastness and durability in the use of student uniforms, uniforms, and the like. In other words, the advantage of the false twisted textured yarn of the present invention has a significant effect through high-pressure dyeing in the subsequent process, and has practically strong heat resistance, so that it has the advantage of strong light resistance when used as a student uniform, a uniform, or the like. . -55- 200819569 As a result, especially when suppressing the electrostatic use of student uniforms, work uniforms, dustproof clothes, etc., it has a very good bulkiness, short fiber feel, and excellent handleability in subsequent processes, so antistatic can be formed. Polyester false twisted textured yarn of excellent polyester fabric similar to short fibers. Further, according to the production method of the present invention, the antistatic false twisted textured yarn can be produced with good productivity and stability. Further, the polyester composite false twisted textured yarn of the present invention has excellent antistatic properties because it contains the above-mentioned two kinds of antistatic agents (a) and (b) in the core yarn (A). In other words, in the composite false twisted textured yarn, since the core sheath structure including the core yarn (A) is formed to be stable in the longitudinal direction of the yarn, it is possible to exhibit antistatic properties in the case of the processed yarn. This effect is particularly remarkable because it is not affected by the false twist treatment when it is used as a fabric. In addition, the core yarn (A) (hereinafter simply referred to as "core wire") exhibiting antistatic property is wrapped in the sheath yarn (B) (hereinafter simply referred to as "sheath"), and is processed in false twisting. When the antistatic component is wrapped, there is little deformation, and there is no fluffing during processing. Therefore, it is possible to maintain good antistatic property, reduce fluffing during false twisting, improve productivity, and form a fabric. It has the main reason for excellent washing durability. As a result, the present invention can provide a very good bulkiness, a short fiber feeling, and an excellent excellent antistatic property, especially when it is required to have high static electricity for suppressing student uniforms, work uniforms, dustproof clothes, and the like. A polyester composite fabric which is similar to a short-fiber polyester fabric and has excellent handleability in a subsequent process. -56- 200819569 [Simplified description of the drawings] Fig. 1 is a schematic view of a false twisting machine for simultaneously extending the false twisted processed yarn used in the present invention, and 1 is a polyester unstretched yarn or a knotted yarn. Filament, 2 series, no guide wire, 3,3 ' is the supply roller, 4 is the internal nozzle, 5 is the first stage heater, 6 is the cooling plate, and 7 is the false tool (3 axis friction) Disc unit), 8 series indicates the first conveying wave, 9 series indicates the second stage heater, 1 line indicates the second conveying roll, 1 1 indicates the winding roller, and 12 indicates the polyester dummy.捻 Processing silk bobbins. 2 is a front view showing an embodiment of a false-twist disk unit used in the present invention, wherein 13 is a false-twist disk, 14 is a guide wire disk, and 15 is a rotary shaft, 16 The timing belt (Timing belt) and the 17 series indicate the drive belt. [Main component symbol description] • 1 : Polyester unstretched yarn or spun filament 2: Guide wire, 3, 3': Supply roller 4: Internal nozzle 5: 1st heater 6: Cooling plate 7: False捻 tool (3-axis friction disc unit) 8 : 1st transport roller 9 : 2nd stage heater -57- 200819569 I 〇: 2nd transport roller II : take-up reel

1 2 : Polyester false twist processing silk bobbin wire 1 3 : False twist disc 1 4 : Guide wire disc 1 5 : Rotary shaft 1 6 : Timing belt 1 7 : Drive belt

-58

Claims (1)

200819569 X. Patent application scope 1. An antistatic polyester false twisted textured yarn which is composed of polyethylene terephthalate units of more than 75 mol% of repeating sheets, and contains (a) poly An oxyalkylene-based polyether and (b) a false twisted textured yarn of an antistatic polyester composite yarn substantially composed of an aromatic polyester composition in which an aromatic polymer is a non-reactive organic ionic compound It is characterized in that the voltage half-life of the false twisted wire is 60 seconds or less, and the crimping ratio is 10 2 0%. 2. The antistatic polyester false twisting wire according to claim 1, wherein the epoxy resin contains 0.2 to 30 parts by weight of (a) polyoxyalkylene polyether, and 100 parts by weight of the aromatic polyester. And 〇5~1 0 weight (b) is substantially a non-reactive organic ionic compound with an aromatic polyester. 3. The antistatic polyester false twisting wire according to claim 1 or 2, wherein the total fineness is 50 to 200 dtex. Φ 4. A method for producing an antistatic polyester false twisted textured yarn, which is characterized in that more than 75 mol% of the repeating unit is formed from polyethylene terephthalate to contain (a) polyoxidation The birefringence obtained by melt-spinning the alkylene-based polyether and (b) the aromatic ester composition of the non-reactive organic ionic compound with the aromatic polyester is 〇.〇2~0.05 The unstretched yarn is subjected to the extension and false twist processing under the conditions of (1) to (4) below. (1) The disc is rubbed in a 3-axis manner and is located at the lowermost disc of the untwisting portion. In the case of ceramics, the length of contact between the disc and the traveling thread is 2. 位 where the ester is processed and the weight is added to the weight of -59-200819569 〇.5mm, and the diameter of the disc is above it. 90 to 98% of the disc diameter is used as a false twist tool, (2) the false twist processing temperature is 170~3 00 °C, (3) the false twist processing magnification ratio is 1.4~2.4, (4) false The number of turns T (times/m) is 1 5 000 / Y 1/2 STS 3 5 000 / Y 1/2 for the fineness of the false twisted textured yarn (Y dtex ). 5. The method for producing an antistatic polyester false twisted textured yarn according to item 4 of the patent application, wherein the epoxy resin contains 0.2 to 30 parts by weight of (a) a polyoxyalkylene group for 100 parts by weight of the aromatic polyester. The polyether and 0.05 to 10 parts by weight of (b) are substantially non-reactive organic ionic compounds with the aromatic polyester. 6. The method for producing an antistatic polyester false twist woven wire according to claim 4 or 5, wherein the unstretched yarn which is simultaneously subjected to the stretching and false twist processing is subjected to entanglement treatment by pressure. 7. An antistatic special composite false twisted textured yarn, which is composed of a core wire (A) of 75 or more moles of repeating units of polyethylene terephthalate. a) a polyoxymethylene-based polyether, and (b) an antistatic polyester composite yarn composed substantially of an aromatic polyester composition in which the polyester is a non-reactive organic ionic compound, and a sheath portion The yarn (B) is a polyester composite yarn composed of an aromatic polyester composition containing 0.5 to 3.0% by weight of a polymethyl propyl acrylate polymer and/or a polystyrene polymer. The special composite false twist processing wire is characterized in that the charged friction pressure of the processed yarn is 2000V or less, the crimping ratio is 2 to 8%, and the average filament length of the sheath yarn (B) is smaller than the core yarn (A). The average filament length is longer -60- 200819569 1 0 ~2 0 %. 8. The antistatic special composite false twisted textured yarn according to claim 1, wherein the core yarn (A) is contained in an amount of 0.2 to 30 parts by weight based on 1 part by weight of the aromatic polyester ( a) a polyoxyalkylene-based polyether and 0.05 to 10 parts by weight of (b) an aromatic polyester composition substantially incompatible with an aromatic polyester as a non-reactive organic ionic compound. A method for producing an antistatic false twisted textured yarn, which comprises (a) a polyoxyalkylene-based polyether, and (b) a substance when the polyester composite yarn is subjected to an elongation false twist processing. The unstretched antistatic polyester composite yarn (A') formed by the non-reactive organic ionic compound with the aromatic polyester is contained in the polyester composite yarn by weight. 5 to 3.0% by weight. The unstretched polyester composite yarn (B') of the polymethyl methacrylate polymer and/or the polystyrene polymer is joined as a raw yarn for processing, and all of the following (1) to (4) are satisfied. Under the conditions of the extension and false twist processing, (1) air entanglement treatment before false twist processing, and more than 30 / m entanglement treatment, (2) with a 3-axis friction disc type, located in the solution The disc of the lowermost part of the crucible portion is made of ceramic, and the contact length of the disc with the traveling thread is 2.5 to 0.5 mm, and the diameter of the disc is 90 to 98% of the diameter of the disc thereon as a false twist. Tool, (3) The false twisting processing temperature is 17 (TC ~ 300 ° C temperature, (4) false twist T (time/m) is 1 5000/Y1/2gTS 3 5000/Y1/2 for the fineness (γ dtex) of the false twisted textured yarn. -61 - 200819569 1 0. A method for producing an electrostatic special/processed wire, wherein the unstretched antistatic polyester ί (A') contains 0 parts by weight of (a) polyoxy oxide for 100 parts by weight of the aromatic polyester. The alkyl polyether and 0.05 to 10 ί (b) are substantially composed of a non-reactive organic ionic/aromatic polyester composition with an aromatic polyester. Γ 捻 [[合丝2~30 [Quantity Compound -62 -