CN111254704A - Preparation process of wool-like fabric - Google Patents
Preparation process of wool-like fabric Download PDFInfo
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- CN111254704A CN111254704A CN202010063301.4A CN202010063301A CN111254704A CN 111254704 A CN111254704 A CN 111254704A CN 202010063301 A CN202010063301 A CN 202010063301A CN 111254704 A CN111254704 A CN 111254704A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/15—Proteins or derivatives thereof
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/11—Compounds containing epoxy groups or precursors thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/332—Di- or polyamines
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- 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]
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Abstract
The invention discloses a preparation process of a wool-like fabric, which relates to the technical field of artificial fur, and comprises the following steps: s1, warping; s2, knitting; s3, cutting cloth; s4, presetting; s5, soaking and modifying; s6, dyeing; s7, post-finishing; according to the parts by weight, every 100 parts of water contains the following components: 35-40 parts of sericin; tween 801-2 parts; 8-10 parts of epoxy chloropropane; 2-4 parts of sodium hydroxide; and 2-4 parts of a catalyst. The sericin mainly contains amino acid, and has excellent moisture absorption performance because the molecular structure contains hydrophilic groups such as hydroxyl, carboxyl and the like. The method comprises the steps of utilizing an active C-Cl bond in an epoxy chloropropane molecule to perform nucleophilic substitution reaction with an amino group in sericin for condensation, or utilizing the amino group in sericin and a benzene ring in epoxy chloropropane to perform ring opening reaction to prepare a glue-containing epoxy compound, and further utilizing the epoxy chloropropane as a carrier to graft the sericin onto polyester fibers so as to improve the moisture absorption performance of the polyester fabric.
Description
Technical Field
The invention relates to the technical field of artificial fur, in particular to a preparation process of a wool-like fabric.
Background
The wool fabric has excellent warmth retention property and aesthetic feeling, is widely applied to blankets, clothes and various decorative materials, and the current wind tide for protecting animals is increasing all over the world, and meanwhile, the artificial fur of the animals is not sacrificed, so that great attention is paid.
Chinese patent publication No. CN104480612A discloses a method for producing an antistatic wool-like fabric, which comprises the following steps: (a) weaving: adopting 72f semi-dull or full-dull yarn as surface yarn, and 72f filament yarn and conductive yarn blended yarn as bottom yarn, wherein the yarn is woven by circular weft to form grey fabric, and the conductive yarn accounts for 20-30% of the total mass of the grey fabric; (b) pretreatment: immersing the grey fabric into a pretreatment solution, wherein the solution comprises the following components in parts by weight: 2-5g/L of purified cotton enzyme, 1-1.5g/L of urea, 2-3g/L of penetrant and 12-20g/L of 100% hydrogen peroxide; the liquid carrying rate of the grey cloth is 100%, the soaking time is 3-4h, and the soaking temperature is 80-90 ℃; (c) presetting: pre-setting the grey cloth by using a pre-setting machine, wherein the setting temperature is 170-185 ℃, the speed is 10-15m/min, and the overfeeding is 25-30%; (d) dyeing: putting the grey cloth into clear water of a dyeing machine, gradually adding a dye into the clear water, wherein the pH value is 6-7, circularly dissolving the material and adding the material for 20-25min, heating the dyeing machine at a heating speed of 0.8-1.3 ℃/min, keeping the temperature for 20-30min after the temperature is raised to 130 ℃, then cooling the dyeing machine at a cooling speed of 2-3 ℃/min, repelling dye water when the temperature is lowered to 60 ℃, and injecting the clear water again to wash the cloth; (e) drying: preheating a dryer to 160-180 ℃, putting the dyed cloth into the dryer, wherein the speed of the dryer is 20-30m/min, overfeeding is 20-25%, and pulp rolling is 1-4%; (f) brushing: brushing the gray fabric by using a double-roller brushing machine, wherein the rotating speed of a brush is 600 plus 800r, and the distance between the brush and the cloth surface is 2-3 mm; (g) steam steaming: feeding the brushed cloth into an air steaming machine, wherein the speed is 15-20m/min, and the air steaming temperature is 160-180 ℃; (h) re-brushing: the double-stick brushing machine is adopted to perform brushing treatment along with cloth, the rotating speed of the brush is 200 and 400rpm, and the distance between the brush and the cloth surface is 3-8 mm; (i) rolling ball: preheating a machine to 90 ℃, putting cloth into the machine, heating to 140 ℃, humidifying for 10-30s, keeping the temperature for 5-8min, cooling to 75 ℃ by the machine at a cooling speed of 3 ℃/min, and discharging the cloth after cooling; (j) shaping: putting the cloth after the ball rolling treatment into a setting machine, wherein the setting temperature is 130-170 ℃, the speed of the setting machine is 30m/min, and the overfeeding is 15-20%; (k) rolling: and (5) rolling the shaped cloth.
The technical scheme mainly solves the defect that the polyester fiber is easy to generate static electricity, but the polyester fiber has the defects of poor moisture absorption and water retention and stuffy wearing when being used as a garment material, and needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a preparation process of a wool-like fabric, and the polyester fabric prepared by the process can solve the problems of poor moisture absorption and poor water retention property so as to overcome the defect of stuffiness in wearing.
In order to achieve the purpose, the invention provides the following technical scheme:
a preparation process of a wool-like fabric comprises the following steps:
s1, warping: respectively warping the FDY terylene and the DTY terylene;
s2, warp knitting: weaving FDY terylene as surface yarn and DTY terylene as bottom yarn to obtain three-layer gray fabric, wherein two sides are DTY layers and the middle is FDY layer;
s3, splitting: splitting the grey cloth from the middle to obtain two semi-finished fabrics;
s4, presetting: conveying the semi-finished fabric in a tunnel furnace, wherein the heating temperature of the tunnel furnace is 210-220 ℃;
s5, soaking modification: putting the pre-shaped fabric into a dye vat without dye, adding a modifying treatment agent, soaking for 40-60min at the temperature of 80-100 ℃, soaking for two times, rolling for two times and drying;
s6, dyeing, namely putting the modified fabric into a dye vat, adding a dye, soaking and dyeing for 30-60min at the temperature of 110-120 ℃, and drying after dyeing is finished;
s7, after finishing: shaping, brushing, polishing and winding the dyed fabric;
according to the parts by weight, every 100 parts of water, the modified treating agent comprises the following components:
by adopting the technical scheme, the FDY polyester is also called fully drawn yarn, the fabric is smooth and soft in handfeel, the DTY polyester is also called polyester low stretch yarn and has the characteristic of high stability, the FDY polyester is used as the surface yarn to provide a good handfeel and smoothness basis for wool-like, and the DTY polyester is used as the bottom yarn to ensure that the DTY layer has good width stability due to good stability. And the polyester yarn has the characteristics of resisting chemical substances and frequent washing, reducing the fading and decoloring phenomena of the fabric and having extremely high fire resistance.
The three-layer grey cloth is obtained after warping and weaving, and then two semi-finished fabrics are obtained by splitting the grey cloth from the middle, so that the characteristics of the FDY polyester filaments can be effectively utilized to obtain the semi-finished fabrics more efficiently in the production and preparation process.
The FDY terylene has higher content of textile oil on the surface due to the preparation process, so that the FDY layer is softer and more collapsed. In the presetting process, the heating at 210-220 ℃ can remove the oil agent to volatilize, reduce the oil content on the surface, make the FDY layer more rigid and play a role in presetting.
The dip dyeing is carried out for 40-90min at the temperature of 130-135 ℃, the dyeing rate and the color fastness can be effectively improved, and the dip dyeing time can be selected according to the color depth.
In the post-finishing step, the DTY layer is heated and shaped through the shaping machine so as to further ensure the width stability of the DTY layer, and the root of the FDY terylene can be firmly fixed on the DTY layer on the basis of weaving by gluing the DTY layer, so that the hair falling rate is reduced. And then the FDY layer is finished through subsequent brushing, ironing and shaping by winding, and finally the wool-like fabric with good appearance and texture is obtained, and the wool-like fabric has the advantages of high color fastness, low wool falling rate, environmental friendliness, flame retardance and the like.
In the modifier, the main component of sericin is amino acid, and the molecular structure contains hydrophilic groups such as hydroxyl, carboxyl and the like, so that sericin has excellent moisture absorption performance and good physiological properties such as oxidation resistance, ultraviolet resistance and the like. The method comprises the steps of utilizing an active C-Cl bond in an epoxy chloropropane molecule to perform nucleophilic substitution reaction with an amino group in sericin for condensation, or utilizing the amino group in sericin and a benzene ring in epoxy chloropropane to perform ring opening reaction to prepare a glue-containing epoxy compound, and further utilizing the epoxy chloropropane as a carrier to graft the sericin onto polyester fibers so as to improve the moisture absorption performance of the polyester fabric.
Further, S5, soaking modification:
s5.1, putting the pre-shaped fabric into a dye vat without dye, adding a pretreating agent, soaking for 50-70min at 70-90 ℃, adjusting the pH value to be neutral, soaking for two times, rolling for two times and drying;
s5.2, putting the pretreated fabric into a dye vat without dye, adding a modifying treatment agent, soaking for 40-60min at the temperature of 80-100 ℃, soaking for two times, rolling for two times and drying.
By adopting the technical scheme, the pretreatment agent is adopted before the modification of the treatment agent, so that the modification effect of the modified treatment agent on the fabric is improved.
Further, in step S7, the setting temperature is 170-190 ℃.
By adopting the technical scheme, the DTY layer can be fully shaped at the temperature of 190 ℃ below 170 ℃, the glue can be more easily permeated, and the root of the FDY polyester filament can be further fixed on the basis of weaving with the DTY polyester, so that the hair falling rate is reduced.
Further, in step S7, the lustre finishing temperature is 220-.
By adopting the technical scheme, the softness of the surface yarns is improved, so that the texture of the fabric is ensured.
Further, tetrabutylammonium bromide is adopted as the catalyst.
By adopting the technical scheme, tetrabutylammonium bromide can effectively catalyze sericin and epichlorohydrin to react.
Further, the modified treating agent also comprises 1-3 parts of a coupling agent in parts by weight.
By adopting the technical scheme, the connection firmness between the epoxy chloropropane and the polyester fiber can be further improved by the coupling agent.
Further, KH-550 is used as the coupling agent.
By adopting the technical scheme, KH-550 (namely gamma-aminopropyltriethoxysilane) can form crosslinking with epoxy chloropropane while improving the connection firmness between epoxy chloropropane and polyester fibers so as to improve the connection strength of sericin on the surface of the polyester fibers.
Further, the pretreating agent comprises the following components in parts by weight per 100 parts of water,
15-18 parts of sodium hydroxide;
2-3 parts of ethylenediamine;
16310.5-0.8 part of accelerator;
and a pH regulator for regulating the pH value to be neutral.
Through adopting above-mentioned technical scheme, carry out decrement processing through sodium hydroxide to polyester fiber for polyester fiber's surface structure is destroyed, produces crackle and pot hole, makes the hydrone adhere to in the space easily, and can produce the coordination through adding ethylenediamine and sodium hydroxide, and aminolysis further deepens the degree of depth of crackle and pot hole, makes moisture adhere to in the space easily, improves the hygroscopic property of surface fabric. In addition, after the polyester fiber is subjected to weight reduction treatment, cracks and depressions generated on the surface of the fiber are also beneficial to improving the adhesive force of the epichlorohydrin on the surface of the fiber. In addition, the ethylenediamine remained on the fiber surface can form crosslinking with epichlorohydrin, so that the connection strength of sericin on the surface of the polyester fiber is further improved.
In conclusion, the invention has the following beneficial effects:
FDY terylene is also called fully drawn yarn, the fabric of the FDY terylene is smooth and soft in handfeel, DTY terylene is also called terylene low stretch yarn, the FDY terylene has the characteristic of high stability, the FDY terylene is used as the surface yarn to provide the basis of good handfeel and smoothness for wool-like, and the DTY terylene is used as the bottom yarn to ensure that the DTY layer has good width stability due to good stability of the DTY terylene. And the polyester yarn has the characteristics of resisting chemical substances and frequent washing, reducing the fading and decoloring phenomena of the fabric and having extremely high fire resistance.
And 2, due to the preparation process of the FDY terylene, the content of textile oil on the surface is higher, so that the FDY layer is softer and more collapsed. In the presetting process, the heating at 210-220 ℃ can remove the oil agent to volatilize, reduce the oil content on the surface, make the FDY layer more rigid and play a role in presetting.
3. In the post-finishing step, the DTY layer is heated and shaped through the shaping machine so as to further ensure the width stability of the DTY layer, and the root of the FDY terylene can be firmly fixed on the DTY layer on the basis of weaving by gluing the DTY layer, so that the hair falling rate is reduced. And then the FDY layer is finished through subsequent brushing, ironing and shaping by winding, and finally the wool-like fabric with good appearance and texture is obtained, and the wool-like fabric has the advantages of high color fastness, low wool falling rate, environmental friendliness, flame retardance and the like.
4. In the modifier, the main component of sericin is amino acid, and the molecular structure contains hydrophilic groups such as hydroxyl, carboxyl and the like, so that sericin has excellent moisture absorption performance and good physiological properties such as oxidation resistance, ultraviolet resistance and the like. The method comprises the steps of utilizing an active C-Cl bond in an epoxy chloropropane molecule to perform nucleophilic substitution reaction with an amino group in sericin for condensation, or utilizing the amino group in sericin and a benzene ring in epoxy chloropropane to perform ring opening reaction to prepare a glue-containing epoxy compound, and further utilizing the epoxy chloropropane as a carrier to graft the sericin onto polyester fibers so as to improve the moisture absorption performance of the polyester fabric.
KH-550, namely gamma-aminopropyltriethoxysilane, can form crosslinking with epichlorohydrin while improving the firmness of connection between the epichlorohydrin and the polyester fiber, so as to improve the connection strength of sericin on the surface of the polyester fiber.
6. The polyester fibers are subjected to decrement treatment through the sodium hydroxide, so that the surface structure of the polyester fibers is damaged, cracks and depressions are generated, water molecules are easily attached to the gaps, coordination can be generated by adding the ethylenediamine and the sodium hydroxide, the depths of the cracks and the depressions are further deepened through aminolysis, moisture is easily attached to the gaps, and the moisture absorption performance of the fabric is improved. In addition, after the polyester fiber is subjected to weight reduction treatment, cracks and depressions generated on the surface of the fiber are also beneficial to improving the adhesive force of the epichlorohydrin on the surface of the fiber. In addition, the ethylenediamine remained on the fiber surface can form crosslinking with epichlorohydrin, so that the connection strength of sericin on the surface of the polyester fiber is further improved.
Drawings
FIG. 1 is a flow chart of a method provided by the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples.
Examples
Example 1
A preparation process of a wool-like fabric is shown in figure 1 and comprises the following steps:
s1, warping: respectively warping the FDY terylene and the DTY terylene;
s2, warp knitting: weaving FDY terylene as surface yarn and DTY terylene as bottom yarn to obtain three-layer gray fabric, wherein two sides are DTY layers and the middle is FDY layer;
s3, splitting: splitting the grey cloth from the middle to obtain two semi-finished fabrics;
s4, presetting: conveying the semi-finished fabric in a tunnel furnace, wherein the heating temperature of the tunnel furnace is 220 ℃;
s5, soaking modification:
s5.1, putting the pre-shaped fabric into a dye vat without dye, adding a pretreating agent, soaking for 60min at the temperature of 80 ℃, soaking for two times, rolling for two times and drying;
s5.2, putting the pretreated fabric into a dye vat without dye, adding a modifying treatment agent, soaking for 50min at 90 ℃, adjusting the pH value to be neutral, soaking for two times, rolling and drying;
s6, dyeing, namely putting the modified fabric into a dye vat, adding a dye, soaking and dyeing for 40min at the temperature of 110 ℃, and drying after dyeing is finished;
s7, after finishing: and (4) shaping, brushing, polishing and winding the dyed fabric.
In step S7, the setting temperature is 180 ℃, the finishing temperature is 230 ℃, the DTY layer is heat-set by a setting machine for setting, the setting temperature is 180 ℃, and the bottom layer of the DTY layer is simultaneously sized (roll-coated with glue). The brushing hair combs the FDY layer by a machine, so that the surface layer is more neat and smooth. The brushing process is to comb from the root of the FDY fiber to ensure the combing effect, and simultaneously remove the FDY fiber with lower adhesion rate to ensure the hair falling rate of the finished product to be reduced. The winding and shaping are to wind and heat-shape the face yarn, so that the face yarn has good crimpness to improve the simulation degree of the wool-like fabric.
The raw material components of the pretreating agent are shown in table 1 per 100 parts of water by weight.
The raw material components of the modifying treatment agent are shown in table 1 per 100 parts of water by weight.
Wherein, S5.1 specifically includes: putting the pre-shaped fabric into a dye vat without dye, adding ethylenediamine, sodium hydroxide and a water solvent of an accelerant 1631, soaking for 60min at 80 ℃, adjusting the pH to be neutral by using acetic acid, soaking for two times, rolling and drying.
S5.2 specifically comprises: preparing a modifying treatment agent, uniformly stirring sericin, epichlorohydrin and tetrabutylammonium bromide, adding a sodium hydroxide solution for reaction 7-8 times, introducing nitrogen in the reaction process, standing to separate a lower-layer oil layer, washing with water to be neutral, continuously separating a lower-layer product, adding tween 80 and water, and stirring at 1500r/min for 30min to obtain an emulsion; putting the pretreated fabric into a dye vat without dye, adding the obtained emulsion and a coupling agent KH-550, soaking for 50min at 90 ℃, adjusting the pH to be neutral, soaking for two times, rolling and drying.
Example 2
The difference from example 1 is that:
the raw material components of the pretreating agent are shown in table 1 per 100 parts of water by weight.
The raw material components of the modifying treatment agent are shown in table 1 per 100 parts of water by weight.
Example 3
The difference from example 1 is that:
the raw material components of the pretreating agent are shown in table 1 per 100 parts of water by weight.
The raw material components of the modifying treatment agent are shown in table 1 per 100 parts of water by weight.
Example 4
The difference from example 1 is that:
the raw material components of the pretreating agent are shown in table 1 per 100 parts of water by weight.
The raw material components of the modifying treatment agent are shown in table 1 per 100 parts of water by weight.
Comparative example
Comparative example 1
The difference from example 1 is that:
in step S5, S5.1 is eliminated, i.e. no pretreatment is performed before modification.
The raw material components of the pretreating agent are shown in table 1 per 100 parts of water by weight.
The raw material components of the modifying treatment agent are shown in table 1 per 100 parts of water by weight.
Performance test
And (3) air permeability test: the air permeability of each group of samples was tested according to GB/T5453-1997 determination of air permeability of textile fabrics, the samples to be tested were subjected to pre-conditioning before testing, and the samples were allowed to equilibrate in a standard atmospheric environment of (20 + -2) DEG C and relative humidity (65 + -2)% before testing according to ASTM D737, the test results being shown in Table 2.
TABLE 1 recipe of treating agent
TABLE 2 air permeability table
| Air permeability (mm/s) | |
| Example 1 | 48.3 |
| Example 2 | 48.4 |
| Example 3 | 48.6 |
| Example 4 | 42.5 |
| Comparative example 1 | 39.3 |
As can be seen from tables 1 and 2, the fabric after pretreatment, modification and treatment can be significantly improved in air permeability, and the defect of stuffiness in wearing of the polyester fiber fabric is overcome.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. A preparation process of a wool-like fabric is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
s1, warping: respectively warping the FDY terylene and the DTY terylene;
s2, warp knitting: weaving FDY terylene as surface yarn and DTY terylene as bottom yarn to obtain three-layer gray fabric, wherein two sides are DTY layers and the middle is FDY layer;
s3, splitting: splitting the grey cloth from the middle to obtain two semi-finished fabrics;
s4, presetting: conveying the semi-finished fabric in a tunnel furnace, wherein the heating temperature of the tunnel furnace is 210-220 ℃;
s5, soaking modification: putting the pre-shaped fabric into a dye vat without dye, adding a modifying treatment agent, soaking for 40-60min at the temperature of 80-100 ℃, soaking for two times, rolling for two times and drying;
s6, dyeing, namely putting the modified fabric into a dye vat, adding a dye, soaking and dyeing for 30-60min at the temperature of 110-120 ℃, and drying after dyeing is finished;
s7, after finishing: shaping, brushing, polishing and winding the dyed fabric;
according to the parts by weight, every 100 parts of water, the modified treating agent comprises the following components:
35-40 parts of sericin;
tween 801-2 parts;
8-10 parts of epoxy chloropropane;
2-4 parts of sodium hydroxide;
and 2-4 parts of a catalyst.
2. The process for preparing the wool-like fabric according to claim 1, wherein the process comprises the following steps: s5, soaking modification:
s5.1, putting the pre-shaped fabric into a dye vat without dye, adding a pretreating agent, soaking for 50-70min at 70-90 ℃, adjusting the pH value to be neutral, soaking for two times, rolling for two times and drying;
s5.2, putting the pretreated fabric into a dye vat without dye, adding a modifying treatment agent, soaking for 40-60min at the temperature of 80-100 ℃, soaking for two times, rolling for two times and drying.
3. The process for preparing the wool-like fabric according to claim 1, wherein the process comprises the following steps: in step S7, the setting temperature is 170-190 ℃.
4. The process for preparing the wool-like fabric according to claim 1, wherein the process comprises the following steps: in step S7, the lustre finishing temperature is 220-240 ℃.
5. The process for preparing the wool-like fabric according to claim 1, wherein the process comprises the following steps: the catalyst adopts tetrabutylammonium bromide.
6. The process for preparing the wool-like fabric according to claim 1, wherein the process comprises the following steps: the modified treating agent also comprises 1-3 parts of coupling agent according to parts by weight.
7. The process for preparing the wool-like fabric according to claim 6, wherein the process comprises the following steps: the coupling agent adopts KH-550.
8. The process for preparing the wool-like fabric according to claim 1, wherein the process comprises the following steps: the pretreating agent comprises the following components in parts by weight per 100 parts of water,
15-18 parts of sodium hydroxide;
2-3 parts of ethylenediamine;
and 16310.5-0.8 part of accelerator.
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