CN111876871B - Nylon regenerated environment-friendly air-coated yarn - Google Patents
Nylon regenerated environment-friendly air-coated yarn Download PDFInfo
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- CN111876871B CN111876871B CN202010789351.0A CN202010789351A CN111876871B CN 111876871 B CN111876871 B CN 111876871B CN 202010789351 A CN202010789351 A CN 202010789351A CN 111876871 B CN111876871 B CN 111876871B
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to the technical field of synthetic fiber coated yarns, in particular to a nylon regenerated environment-friendly air coated yarn. The preparation process comprises the following steps: (1) removing impurities from the waste nylon yarns or nylon fabrics through physical chemistry, and melting at high temperature to obtain a regenerated polyamide melt; mixing and melting the polyamide melt, conventional nylon 66 and conventional polyester, and extruding, granulating and slicing to obtain regenerated polyamide slices; (2) adopting regenerated polyamide chips for melt spinning, and obtaining regenerated nylon pre-oriented yarns through a pre-orientation forming process; (3) carrying out a drawing deformation process on the regenerated nylon pre-oriented yarn to obtain regenerated nylon drawn textured yarn; (4) the regenerated nylon tensile deformation yarn is processed into the nylon regenerated environment-friendly air-coated yarn by an air-coating all-in-one machine for coating and processing in the back process. The manufactured nylon ammonia air-coated yarn can meet the requirements of weaving and clothing making, and can protect the environment and prevent the over exploitation of geochemical resources.
Description
Technical Field
The invention relates to the technical field of synthetic fiber covered yarns, in particular to a nylon regenerated environment-friendly air covered yarn.
Background
With the progress of synthetic fiber spinning technology and the improvement of the consumption level of people, new requirements on the characteristics of synthetic fibers and textiles thereof are provided. The market for such products is in great demand as a new synthetic fiber. The nylon air-covered yarn is a special yarn which is popular in the market in recent years. It is made up by using polyurethane fibre as core and wrapping it with polyamide fibre filament. The interweaving of the spandex and the chinlon not only can enable the fabric to be dyed at normal temperature and normal pressure and avoid the damage of high temperature and high pressure to the fabric, but also enables the knitted fabric to have moisture absorption and ventilation, soft hand feeling, elasticity and resilience, meets the requirements of people on comfortable wearing, close fitting and unchanged appearance of clothes, and is widely applied to socks, underwear, sportswear and the like.
The pollution of the world environment is more and more serious nowadays, fossil resources are slowly exhausted, and the regenerated environment-friendly product can protect the environment and save resources, so that the method is a great direction in the future.
As an important chemical fiber product, if the regenerated nylon can be used for coating a yarn product, the nylon has great significance from the perspective of environmental protection and energy.
Disclosure of Invention
The invention aims to provide a nylon regenerated environment-friendly air-coated yarn, which conforms to the current trend of energy conservation and environmental protection and provides a new way for nylon regeneration.
Specifically, the invention adopts the following technical scheme: a nylon regenerated environment-friendly air-coated yarn is prepared by the following steps:
(1) removing impurities from the waste nylon yarns or nylon fabrics through physical chemistry, and melting at high temperature to obtain a regenerated polyamide melt; mixing the polyamide melt with conventional nylon 66 and conventional polyester in a ratio of 3-5: 2, mixing and melting 0.3-0.5, and extruding, granulating and slicing to obtain regenerated polyamide slices; the melting temperature is 260-285 ℃;
(2) adopting regenerated polyamide slices for melt spinning, and obtaining regenerated nylon pre-oriented yarns through a pre-orientation forming process;
(3) carrying out a drawing deformation process on the regenerated nylon pre-oriented yarn to obtain regenerated nylon drawing deformation yarn;
(4) and processing the regenerated nylon tensile deformation yarn into the nylon regenerated environment-friendly air-coated yarn by an air-coating all-in-one machine for coating and processing in the back.
Preferably, the step (2) is specifically as follows: carrying out screw melting, spinning box body, spinneret plate, side blowing, oiling and winding on the dried regenerated polyamide chips to obtain regenerated nylon pre-oriented yarn; the melting temperature of the screw is 270-280 ℃; the temperature of the spinning box body is 270-275 ℃; the pressure before the spinning plate is 10-15 MPa; the wind speed of the cross wind is 0.5-0.6m/s, and the wind pressure is (3-5) × 10 -4 MPa, the wind temperature is 16-18 ℃, and the wind humidity is 80-90%; the winding speed was 4200-4600m/min, the initial winding speed was 4200m/min, and then winding was performed three times with a godet at 200m/min intervals, and the final winding speed was 4600 m/min.
Preferably, the oiling agent in the oiling operation comprises the following components in percentage by weight: 50-55% of dioctyl sebacate, 20-28% of ethyl oleate potassium sulfonate, 5-8% of secondary alkyl alcohol polyoxyethylene ether, 0.5-0.6% of triethanolamine, 3-8% of oleic acid, 2-5% of penetrating agent and 1-3% of coconut oil glycol amide; the balance of water.
Preferably, the oiling rate is 0.7-0.75%.
Preferably, the specific steps in step (3) are as follows: oiling the regenerated nylon pre-oriented yarn through a first yarn guide disc, a deformation hot box, a cooling plate, a false twister, a second yarn guide disc, a third yarn guide disc, a yarn detector, a yarn guide and an oil tanker to finally obtain the regenerated nylon drawn textured yarn; the temperature of the deformation hot box is 190-200 ℃; the D/Y ratio is 2.2-2.4; the overfeed rate of the third godet to the second godet is-1.5%, and the overfeed rate of the winding roller to the third godet is-3.0%; the production speed is 700 m/min; twisting tension of 30-40cN, false twisting tension ratio of 0.7-0.75; the stretching ratio is 1.15-1.23.
Preferably, the specific steps in the step (4) are as follows: processing 90-100dtex regenerated nylon stretch textured yarn and 50-65dtex spandex yarn in an air-bag integrated machine to form nylon regenerated environment-friendly air-covered yarn; wherein the stretch ratio of the spandex filament is 3.5-4.
The beneficial effects of the invention are: the manufactured nylon ammonia air-coated yarns not only can meet the requirements of weaving and clothing, but also can protect the environment and prevent the overexploitation of fossil resources on the earth. The application mainly uses the regenerated environment-friendly covering yarn for drawing warp and weaving direction, replaces the conventional covering yarn in a large amount, and the cloth produced by utilizing the regenerated environment-friendly covering yarn can also meet the requirements of weaving and making clothes for human beings.
Detailed Description
Representative embodiments will now be further refined. It should be understood that the following description is not intended to limit the embodiments to one preferred embodiment. On the contrary, it is intended to cover alternatives, modifications, and equivalents as may be included within the spirit and scope of the embodiments as defined by the appended claims.
In the following examples, the raw materials and equipment used are either commercially available or conventionally used in the art, unless otherwise specified; the methods used, unless otherwise specified, are conventional in the art.
Example 1:
a nylon regenerated environment-friendly air-coated yarn is prepared by the following steps:
(1) removing impurities from the waste nylon yarns or nylon fabrics through physical chemistry, and melting at high temperature to obtain a regenerated polyamide melt; the polyamide melt was mixed with conventional nylon 66 and conventional polyester in a ratio of 3: 2:0.4, mixing and melting, extruding, granulating and slicing to obtain regenerated polyamide slices; the melting temperature is 260 ℃ and 285 ℃;
(2) adopting regenerated polyamide slices for melt spinning, and obtaining regenerated nylon pre-oriented yarns through a pre-orientation forming process; carrying out screw melting, spinning box body, spinneret plate, side blowing, oiling and winding on the dried regenerated polyamide chips to obtain regenerated nylon pre-oriented yarns; the melting temperature of the screw is 270-280 ℃; the temperature of the spinning box body is 270-275 ℃; the pressure before the spinning plate is 10 MPa; the wind speed of the cross air blow is 0.6m/s, and the wind pressure is 5 x 10 -4 MPa, 18 ℃ of wind temperature and 90% of wind humidity; the winding speed was 4200-4600m/min, the initial winding speed was 4200m/min, and then winding was performed three times with a godet at 200m/min intervals, and the final winding speed was 4600 m/min.
The oiling agent in the oiling operation comprises the following components in percentage by weight: 50% of sebacic acid dioctyl ester, 20% of ethyl oleate potassium sulfonate, 5% of secondary alkyl alcohol polyoxyethylene ether, 0.5% of triethanolamine, 3% of oleic acid, 5% of penetrating agent and 1% of coconut oil glycol amide; the balance of water. The oiling rate is 0.75%.
(3) Carrying out a drawing deformation process on the regenerated nylon pre-oriented yarn to obtain regenerated nylon drawing deformation yarn; oiling the regenerated nylon pre-oriented yarn through a first yarn guide disc, a deformation hot box, a cooling plate, a false twister, a second yarn guide disc, a third yarn guide disc, a yarn detector, a yarn guide and an oil tanker to finally obtain the regenerated nylon drawn textured yarn;
the temperature of the deformation hot box is 190-200 ℃; the D/Y ratio is 2.2-2.4; the overfeed rate of the third godet to the second godet is-1.5%, and the overfeed rate of the winding roller to the third godet is-3.0%; the production speed is 700 m/min; the twisting tension is 30-40cN, the false twisting tension ratio is 0.7; the stretching ratio was 1.23.
(4) Processing the regenerated nylon tensile deformation yarn into nylon regenerated environment-friendly air-coated yarn by an air-coating all-in-one machine for coating processing in the back process; the method comprises the following specific steps: processing 100dtex regenerated nylon stretch textured yarn and 50dtex spandex yarn in an air-bag integrated machine to form nylon regenerated environment-friendly air-covered yarn; wherein the stretch ratio of the spandex filament is 3.5.
Example 2:
a nylon regenerated environment-friendly air-coated yarn is prepared by the following steps:
(1) removing impurities from the waste nylon yarns or nylon fabrics through physical chemistry, and melting at high temperature to obtain a regenerated polyamide melt; the polyamide melt was mixed with conventional nylon 66 and conventional polyester in a ratio of 5: 2:0.5, mixing and melting, extruding, granulating and slicing to obtain regenerated polyamide slices; the melting temperature is 260 ℃ and 285 ℃;
(2) adopting regenerated polyamide chips for melt spinning, and obtaining regenerated nylon pre-oriented yarns through a pre-orientation forming process; carrying out screw melting, spinning box body, spinneret plate, side blowing, oiling and winding on the dried regenerated polyamide chips to obtain regenerated nylon pre-oriented yarn; the melting temperature of the screw is 270-280 ℃; the temperature of the spinning box body is 270-275 ℃; the pressure before the spinning plate is 15 MPa; the wind speed of the cross air blow is 0.5m/s, and the wind pressure is 3 x 10 -4 MPa, the wind temperature is 16 ℃, and the wind humidity is 80%; the winding speed was 4200-4600m/min, the initial winding speed was 4200m/min, and then winding was performed by a godet three times at 200m/min intervals, and the final winding speed was 4600 m/min.
The oiling agent in the oiling operation comprises the following components in percentage by weight: 55% of dioctyl sebacate, 28% of potassium ethyl oleate sulfonate, 8% of secondary alkyl alcohol polyoxyethylene ether, 0.6% of triethanolamine, 8% of oleic acid, 5% of penetrating agent and 3% of coconut oil glycol amide; the balance of water. The oiling rate is 0.75%.
(3) Carrying out a drawing deformation process on the regenerated nylon pre-oriented yarn to obtain regenerated nylon drawing deformation yarn; oiling the regenerated nylon pre-oriented yarn through a first yarn guide disc, a deformation hot box, a cooling plate, a false twister, a second yarn guide disc, a third yarn guide disc, a yarn detector, a yarn guide and an oil tanker to finally obtain the regenerated nylon drawn textured yarn;
the temperature of the deformation hot box is 190-200 ℃; the D/Y ratio is 2.2-2.4; the overfeed rate of the third godet to the second godet is-1.5%, and the overfeed rate of the winding roller to the third godet is-3.0%; the production speed is 700 m/min; the twisting tension is 30-40cN, the false twist tension ratio is 0.7; the stretching ratio was 1.15.
(4) Processing the regenerated nylon tensile deformation yarn into nylon regenerated environment-friendly air-coated yarn by an air-coated all-in-one machine for coating processing at the back; the method specifically comprises the following steps: processing 100dtex regenerated nylon stretch textured yarn and 60dtex spandex yarn in an air-bag integrated machine to form nylon regenerated environment-friendly air-covered yarn; wherein the stretch ratio of the spandex filament is 4.
Example 3:
a nylon regenerated environment-friendly air-coated yarn is prepared by the following steps:
(1) removing impurities from the waste nylon yarns or nylon fabrics through physical chemistry, and melting at high temperature to obtain a regenerated polyamide melt; the polyamide melt was mixed with conventional nylon 66 and conventional polyester in a ratio of 4: 2:0.3, mixing and melting, extruding, granulating and slicing to obtain regenerated polyamide slices; the melting temperature is 260-285 ℃;
(2) adopting regenerated polyamide slices for melt spinning, and obtaining regenerated nylon pre-oriented yarns through a pre-orientation forming process; carrying out screw melting, spinning box body, spinneret plate, side blowing, oiling and winding on the dried regenerated polyamide chips to obtain regenerated nylon pre-oriented yarn; the melting temperature of the screw is 270-280 ℃; the temperature of the spinning box body is 270-275 ℃; the pressure before the spinning plate is 12 MPa; the wind speed of the cross air blow is 0.6m/s, and the wind pressure is 3.5 x 10 -4 MPa, the wind temperature is 16 ℃, and the wind humidity is 85%; the winding speed was 4200-4600m/min, the initial winding speed was 4200m/min, and then winding was performed three times with a godet at 200m/min intervals, and the final winding speed was 4600 m/min.
The oiling agent in the oiling operation comprises the following components in percentage by weight: 50% of dioctyl sebacate, 28% of potassium ethyl oleate sulfonate, 5% of secondary alkyl alcohol polyoxyethylene ether, 0.5% of triethanolamine, 8% of oleic acid, 3% of penetrating agent and 2% of coconut oil glycol amide; the balance of water. The oiling rate is 0.7%.
(3) Carrying out a drawing deformation process on the regenerated nylon pre-oriented yarn to obtain regenerated nylon drawing deformation yarn; oiling the regenerated nylon pre-oriented yarn through a first yarn guide disc, a deformation hot box, a cooling plate, a false twister, a second yarn guide disc, a third yarn guide disc, a yarn detector, a yarn guide and an oil tanker to finally obtain the regenerated nylon drawn textured yarn;
the temperature of the deformation hot box is 190-200 ℃; the D/Y ratio is 2.2-2.4; the overfeed rate of the third godet to the second godet is-1.5%, and the overfeed rate of the winding roller to the third godet is-3.0%; the production speed is 700 m/min; the twisting tension is 30-40cN, the false twisting tension ratio is 0.75; the stretching ratio was 1.2.
(4) Processing the regenerated nylon tensile deformation yarn into nylon regenerated environment-friendly air-coated yarn by an air-coating all-in-one machine for coating processing in the back process; the method specifically comprises the following steps: processing 90dtex regenerated nylon stretch textured yarn and 65dtex spandex yarn in an air-bag integrated machine to form nylon regenerated environment-friendly air-covered yarn; wherein the stretch ratio of the spandex filament is 3.8.
Comparative example 1: on the basis of example 1, the finish oil of step 2 was omitted.
After the product performance of the above embodiments is tested, the performance indexes are as follows: the production speed is 700M/min, the fineness coefficient of variation is less than or equal to 1.0, the breaking strength is more than or equal to 3.4cN/dtex, the breaking strength coefficient of variation is less than or equal to 7.80 percent, the breaking elongation is M1 +/-3.0 percent, the breaking elongation coefficient of variation is less than or equal to 9.60 percent, the dyeing uniformity is more than or equal to 4.0 grade, and the network degree is more than or equal to 90 per meter.
Comparative example 1 is inferior to example 1 in bundling property and is apt to fuzz; at the same time, the breaking strength and the elongation at break are negatively influenced.
By comparison, the oil agent has positive good effect on filaments formed by mixing polyamide melt, conventional nylon 66 and conventional polyester. The oil solution of the utility model can ensure that the prepared air-coated yarn reaches the performance index.
It will be apparent to one skilled in the art that these specific details are not required in order to practice the embodiments described above. Thus, the foregoing descriptions of specific embodiments described herein are presented for purposes of illustration and description. It will be apparent to those skilled in the art that certain modifications, combinations, and variations can be made in light of the above teachings.
Claims (4)
1. The nylon regenerated environment-friendly air-coated yarn is characterized in that: the preparation process comprises the following steps:
(1) removing impurities from the waste nylon yarns or nylon fabrics through physical chemistry, and melting at high temperature to obtain a regenerated polyamide melt; mixing the polyamide melt with conventional nylon 66 and conventional polyester in a ratio of 3-5: 2, mixing and melting 0.3-0.5, and extruding, granulating and slicing to obtain regenerated polyamide slices; the melting temperature is 260 ℃ and 285 ℃;
(2) adopting regenerated polyamide chips for melt spinning, and obtaining regenerated nylon pre-oriented yarns through a pre-orientation forming process; the method comprises the following steps: carrying out screw melting, spinning box body, spinneret plate, side blowing, oiling and winding on the dried regenerated polyamide chips to obtain regenerated nylon pre-oriented yarn; the melting temperature of the screw is 270-280 ℃; the temperature of the spinning manifold is 270-275 ℃; the pressure before the spinning plate is 10-15 MPa; the wind speed of the cross wind is 0.5-0.6m/s, and the wind pressure is (3-5) × 10 -4 MPa, the wind temperature is 16-18 ℃, and the wind humidity is 80-90%; the winding speed is 4200-4600m/min, the initial winding speed is 4200m/min, then winding is carried out by a godet for three times at the speed interval of 200m/min, and the final winding speed is 4600 m/min;
(3) carrying out a drawing deformation process on the regenerated nylon pre-oriented yarn to obtain regenerated nylon drawing deformation yarn;
(4) processing the regenerated nylon tensile deformation yarn into nylon regenerated environment-friendly air-coated yarn by an air-coating all-in-one machine for coating processing in the back process;
the oiling agent in the oiling operation comprises the following components in percentage by weight: 50-55% of dioctyl sebacate, 20-28% of ethyl oleate potassium sulfonate, 5-8% of secondary alkyl alcohol polyoxyethylene ether, 0.5-0.6% of triethanolamine, 3-8% of oleic acid, 2-5% of penetrating agent and 1-3% of coconut oil glycol amide; the balance of water.
2. The nylon regenerated environment-friendly air-coated yarn of claim 1, characterized in that: the oiling rate is 0.7-0.75%.
3. The nylon regenerated environment-friendly air-coated yarn as claimed in claim 1, characterized in that: the specific steps in the step (3) are as follows: oiling the regenerated nylon pre-oriented yarn through a first yarn guide disc, a deformation hot box, a cooling plate, a false twister, a second yarn guide disc, a third yarn guide disc, a yarn detector, a yarn guide and an oil tanker to finally obtain the regenerated nylon drawn textured yarn;
the temperature of the deformation hot box is 190-200 ℃; the D/Y ratio is 2.2-2.4; the overfeed rate of the third godet to the second godet is-1.5%, and the overfeed rate of the winding roller to the third godet is-3.0%; the production speed is 700 m/min; twisting tension of 30-40cN, false twisting tension ratio of 0.7-0.75; the stretching ratio is 1.15-1.23.
4. The nylon regenerated environment-friendly air-coated yarn as claimed in claim 1, characterized in that: the step (4) is specifically as follows: processing 90-100dtex regenerated nylon stretch textured yarn and 50-65dtex spandex yarn in an air-covering integrated machine to form nylon regenerated environment-friendly air-covered yarn; wherein the stretch ratio of the spandex filament is 3.5-4.
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| JP2000265322A (en) * | 1999-03-18 | 2000-09-26 | Toray Monofilament Co Ltd | Nylon cloth for industrial use and its recycling method |
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| CN104674371B (en) * | 2015-03-18 | 2016-10-05 | 苏州大学 | A nano zirconium carbide induction heat storage heat preservation polyester false twist textured yarn and preparation method thereof |
| CN104894714A (en) * | 2015-06-24 | 2015-09-09 | 苏州大学 | Drawing, false twisting and wrapping one step method for producing polyamide/spandex wrap yarns |
| CN110886033A (en) * | 2019-07-03 | 2020-03-17 | 海西纺织新材料工业技术晋江研究院 | Stretch yarn of low modulus elastic fiber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07331514A (en) * | 1994-06-06 | 1995-12-19 | Toray Ind Inc | Dustproof clothes and recycling |
| JP2000265322A (en) * | 1999-03-18 | 2000-09-26 | Toray Monofilament Co Ltd | Nylon cloth for industrial use and its recycling method |
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