CN111088593A - Preparation process of rabbit hair-imitated fabric and glue used by preparation process - Google Patents
Preparation process of rabbit hair-imitated fabric and glue used by preparation process Download PDFInfo
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- CN111088593A CN111088593A CN201911384885.9A CN201911384885A CN111088593A CN 111088593 A CN111088593 A CN 111088593A CN 201911384885 A CN201911384885 A CN 201911384885A CN 111088593 A CN111088593 A CN 111088593A
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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
- D04B21/02—Pile fabrics or articles having similar surface features
- D04B21/04—Pile fabrics or articles having similar surface features characterised by thread material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
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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
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/18—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating elastic threads
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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
- D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B9/00—Solvent-treatment of textile materials
- D06B9/02—Solvent-treatment of textile materials solvent-dyeing
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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
- D06C27/00—Compound processes or apparatus, for finishing or dressing textile fabrics, not otherwise provided for
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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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- 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 rabbit hair-like fabric and glue used by the preparation process, and relates to the field of artificial fur, wherein the preparation process 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 at 210-220 ℃; s5 staining: putting the pre-shaped semi-finished fabric into a dye vat, adding a dye, carrying out soaking dyeing at the temperature of 130-135 ℃ for 40-90min, and drying after dyeing to enter the next step; s6 primary finishing: shaping, hot blowing, brushing and polishing the dyed semi-finished product; in the post-finishing step, a semi-finished DTY layer is shaped by a shaping machine, the DTY layer is glued, and the rabbit hair imitated fabric with good texture and low hair loss rate can be obtained through the steps.
Description
Technical Field
The invention relates to the technical field of artificial fur, in particular to a preparation process of a rabbit hair imitated fabric and glue used by the preparation process.
Background
The beauty of rabbit hair products is advocated all the time, the tide of animals to be protected is increasing all over the world at present, and meanwhile, the artificial fur of the animals is not sacrificed, so that great attention is paid.
Chinese patent publication No. CN106592086A discloses an imitated rabbit hair velvet fiber fabric, which is a warp knitted fabric, comprises a bottom layer and a velvet layer, and is formed by knitting a face yarn, a middle yarn and a bottom yarn on a double needle bed warp knitting machine; wherein the bottom layer is woven by terylene low stretch yarn, and accounts for 20-40% of the weight of the fabric; the velvet layer is woven on the bottom layer and is formed by warp knitting polyester super-dull flat yarns, and the weight of the velvet layer is 60-80% of that of the fabric.
The technical scheme only provides a simple preparation process of the rabbit hair imitation fabric, but the rabbit hair imitation fabric and the traditional imitation fur have the defect of easy depilation and need to be solved.
Disclosure of Invention
Aiming at the defects in the prior art, the first purpose of the invention is to provide a preparation process of an imitated rabbit hair fabric, which has the advantage of difficult depilation.
In order to achieve the purpose, the invention provides the following technical scheme:
a preparation process of a rabbit hair-imitated 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, staining: putting the pre-shaped semi-finished fabric into a dye vat, adding a dye, carrying out soaking dyeing for 40-90min at the temperature of 130-135 ℃, and drying after dyeing to enter the next step;
s6, primary finishing: shaping, hot blowing, brushing and polishing the dyed semi-finished product;
in the post-finishing step, a forming machine is adopted to form the DTY layer of the semi-finished product, and the DTY layer is glued.
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 low stretch polyester yarn and has the characteristic of high stability, the FDY polyester is used as the face yarn to provide a good handfeel and smoothness basis for rabbit hair simulation, 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 first after-finishing step, heat the design to the DTY layer through the forming machine to further guarantee the width stability on DTY layer, through carrying out the rubberizing to the DTY layer, make the root of FDY dacron can be on the basis of weaving, advance one firmly by being fixed in on the DTY layer, reduce the hair rate.
The rabbit hair has the characteristic of good velvet feeling, and because the FDY has certain thermal shrinkage, the FDY can be shrunk in a similar way in length after hot blowing treatment, so that the FDY layer eliminates the cutting feeling formed by splitting, has more natural feeling, and has the characteristic of velvet feeling of the rabbit hair.
And then the FDY layer is finished through subsequent brushing and ironing, and finally the rabbit hair imitated fabric with good attractiveness and texture is obtained, and the rabbit hair imitated fabric has the advantages of high color fastness, low hair loss rate, environmental friendliness, flame retardance and the like.
Further, the preparation process of the rabbit hair imitated fabric further comprises the following steps:
s7, soaking modification: putting the semi-finished product into a dye vat without dye, putting an antistatic agent, a softening agent and a fluffing agent, and soaking for 20-40min at 50-60 ℃;
and S8, finishing again.
By adopting the technical scheme, the texture and the attractiveness of the FDY layer can be further improved by soaking and adding the antistatic agent, the softening agent and the fluffing agent, the texture and the attractiveness of rabbit hair are further approached, and the simulation degree is improved.
Further, in the steps S6 and S8, 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 steps S6 and S8, the hot-blowing temperature is 160-180 ℃, and the FDY layer faces the hot-blowing direction.
By adopting the technical scheme, the FDY layer is subjected to hot blowing at the temperature of 160-180 ℃, so that the polyester fiber of the FDY layer can be fully subjected to thermal shrinkage, and the velvet feeling and the naturalness of the fabric are ensured.
Further, in the steps S6 and S8, the lustring temperature is 220-240 ℃, and the fiber of the FDY layer is straightened.
By adopting the technical scheme, the fibers of the FDY layer are more flexible and can not curl, and the texture and the attractiveness of the FDY layer are further close to those of rabbit hair products.
Further, the FDY terylene adopts 200D/30F shrinkage terylene.
By adopting the technical scheme, the 200D/30F high-shrinkage polyester can provide good flexibility and texture for the FDY layer of the fabric, and has good shrinkage rate, so that the FDY layer has good velvet feeling on the one hand, and the splitting operation before shrinkage is facilitated on the other hand, thereby improving the processing efficiency and the processing convenience.
The invention also aims to provide glue used in the preparation process of the rabbit hair imitated fabric, which comprises the following raw materials in parts by weight:
30-40 parts of water-based acrylic resin;
1-2 parts of absolute ethyl alcohol;
0.5-0.8 part of silane coupling agent;
25-30 parts of deionized water.
By adopting the technical scheme, the water-based acrylic resin is used as the matrix of the glue, has the characteristics of high temperature resistance and good adhesion degree, and has the advantages of low price and environmental protection.
The absolute ethyl alcohol can wet the water-based acrylic resin, and oleophilic groups of absolute ethyl alcohol molecules can be combined with the water-based acrylic resin particles and coated on the surfaces of the resin particles, so that hydrophilic groups of the absolute ethyl alcohol molecules are outward, the combining capacity of the water-based acrylic resin and water molecules is further improved, and the permeability of the water-based acrylic resin is ensured.
The silane coupling agent can improve the adhesion degree between the water-based acrylic resin and the root of the FDY polyester fiber and between the water-based acrylic resin and the TDY layer so as to further reduce the hair-falling rate of the FDY layer.
Furthermore, the glue also comprises 0.8-1.0 part of KH-550.
By adopting the technical scheme, the coupling agent KH-550, namely gamma-aminopropyltriethoxysilane, is an excellent adhesion promoter, can effectively enhance the viscosity of the acrylic coating when being applied to the acrylic coating, can cause uneven coating due to too fast leveling in the coating process due to lower viscosity of the aqueous acrylic resin, can not control the hair loss rate in the optimal state, and can well adjust the viscosity by adding the coupling agent KH-550, thereby adjusting the leveling property, overcoming the defects of the aqueous acrylic resin and ensuring the adhesion effect of the aqueous acrylic resin.
Further, the silane coupling agent adopts KH-560 in parts by weight.
By adopting the technical scheme, the coupling agent KH-560, namely gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane can improve the adhesion degree between the water-based acrylic resin and the root of the FDY polyester fiber and between the water-based acrylic resin and the TDY layer so as to further reduce the hair-falling rate of the FDY layer.
Similarly, KH-550 must be hydrolyzed to form silicon hydroxyl group for the corresponding coupling effect, but the amino group in KH-550 is very reactive with the double bond in the aqueous acrylic resin, which affects the stability of the system. The epoxy group in the KH-560 can react with the amino group of the KH-550 to form a cross-linked network structure, so that the fixing effect of the glue on the root of the FDY polyester fiber is further improved, and the hair-falling rate is further reduced.
Furthermore, after the aqueous acrylic resin is wetted by the absolute ethyl alcohol, the resin particles are wrapped in the absolute ethyl alcohol, so that the amino group generated by the hydrolysis of KH-550 can not directly contact with the resin particles, and the amino group generated by KH-550 and the epoxy group of KH-560 preferentially react due to the high compatibility of KH-550 and KH-560.
In conclusion, the invention has the following beneficial effects:
1. the FDY terylene is also called fully drawn yarn, the fabric of the FDY terylene is smooth and soft in handfeel, the DTY terylene is also called terylene low stretch yarn, the DTY 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 rabbit hair imitation, and the DTY terylene 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.
2. 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.
3. 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.
4. In the first after-finishing step, heat the design to the DTY layer through the forming machine to further guarantee the width stability on DTY layer, through carrying out the rubberizing to the DTY layer, make the root of FDY dacron can be on the basis of weaving, advance one firmly by being fixed in on the DTY layer, reduce the hair rate. The rabbit hair has the characteristic of good velvet feeling, and because the FDY has certain thermal shrinkage, the FDY can be shrunk in a similar way in length after hot blowing treatment, so that the FDY layer eliminates the cutting feeling formed by splitting, has more natural feeling, and has the characteristic of velvet feeling of the rabbit hair.
5. Under the condition of 190 ℃ of 170 plus materials, the DTY layer can be fully shaped, 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.
The 6.200D/30F high-shrinkage polyester fiber can provide good flexibility and texture for an FDY layer of the fabric, and has good shrinkage rate, so that the FDY layer has good velvet feeling on one hand, and the splitting operation before shrinkage is facilitated on the other hand, and the processing efficiency and the processing convenience are improved.
7. The absolute ethyl alcohol can wet the water-based acrylic resin, and oleophilic groups of absolute ethyl alcohol molecules can be combined with the water-based acrylic resin particles and coated on the surfaces of the resin particles, so that hydrophilic groups of the absolute ethyl alcohol molecules are outward, the combining capacity of the water-based acrylic resin and water molecules is further improved, and the permeability of the water-based acrylic resin is ensured. The silane coupling agent can improve the adhesion degree between the water-based acrylic resin and the root of the FDY polyester fiber and between the water-based acrylic resin and the TDY layer so as to further reduce the hair-falling rate of the FDY layer.
8. The coupling agent KH-550, namely gamma-aminopropyltriethoxysilane, is an excellent adhesion promoter, can effectively enhance the viscosity of the acrylic coating when applied to the acrylic coating, can cause the phenomenon of nonuniform coating film due to too fast leveling in the coating process due to low viscosity of the aqueous acrylic resin, and can not control the hair loss rate in the optimal state, and can well adjust the viscosity by adding the coupling agent KH-550, so that the leveling property is adjusted, the defects of the aqueous acrylic resin are overcome, and the adhesion effect of the aqueous acrylic resin is ensured.
9. The coupling agent KH-560, namely gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, can improve the adhesion between the aqueous acrylic resin and the root of the FDY polyester fiber and between the aqueous acrylic resin and the TDY layer so as to further reduce the hair-falling rate of the FDY layer. Similarly, KH-550 must be hydrolyzed to form silicon hydroxyl group for the corresponding coupling effect, but the amino group in KH-550 is very reactive with the double bond in the aqueous acrylic resin, which affects the stability of the system. The epoxy group in the KH-560 can react with the amino group of the KH-550 to form a cross-linked network structure, so that the fixing effect of the glue on the root of the FDY polyester fiber is further improved, and the hair-falling rate is further reduced. Furthermore, after the aqueous acrylic resin is wetted by the absolute ethyl alcohol, the resin particles are wrapped in the absolute ethyl alcohol, so that the amino group generated by the hydrolysis of KH-550 can not directly contact with the resin particles, and the amino group generated by KH-550 and the epoxy group of KH-560 preferentially react due to the high compatibility of KH-550 and KH-560.
Drawings
FIG. 1 is a flow diagram of a process 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 rabbit hair-imitated 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: the method comprises the following steps of (1) knitting FDY terylene serving as surface yarn and DTY terylene serving as bottom yarn to obtain three layers of grey cloth, wherein two sides of the grey cloth are DTY layers, the middle of the grey cloth is an FDY layer, and the FDY terylene is woven between the two DTY layers in an inserting manner;
s3, splitting: splitting the grey cloth from the middle, namely cutting off FDY terylene connected with the DTY layers on the two sides 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, staining: putting the pre-shaped semi-finished fabric into a dye vat, adding a dye, soaking and dyeing for 40-90min at the temperature of 130-135 ℃ (the more the cloth with darker color is dyed for longer time according to the selection of the shade of the dyed color, the more the cloth with darker color is dyed for 40min in the embodiment, and drying after dyeing is finished to enter the next step;
s6, primary finishing: shaping, hot blowing, brushing and polishing the dyed semi-finished product;
s7, soaking modification: putting the semi-finished product into a dye vat without dye, putting an antistatic agent (the embodiment specifically selects the antistatic agent FK-311), a softening agent (the embodiment specifically selects the softening agent TF-404A) and a fluffing agent (the embodiment specifically selects the fluffing agent Goon 1202), soaking for 20-40min at 50-60 ℃, drying after soaking, and entering the next step;
and S8, finishing again to obtain a finished product.
In the two post-finishing steps of S6 and S8, a setting machine is adopted for heat setting of the DTY layer, the setting temperature is 170-190 ℃, and meanwhile sizing (roll coating glue) is carried out on the bottom layer of the DTY layer.
The hot blowing temperature is 160-180 ℃, the hot blowing direction is opposite to the FDY layer, so that the polyester fiber of the FDY layer is fully subjected to thermal shrinkage, the FDY layer specifically adopts high-shrinkage polyester with the specification of 200D/30F, the shrinkage rate is about 30%, the FDY layer has good velvet feeling through thermal shrinkage, and the glue on the DTY layer can be fully solidified and permeated in the hot blowing process.
Carding is carried out on the FDY layer by adopting a machine, so that the surface layer of the FDY layer is more tidy and smooth for subsequent further processing. The carding process is to comb the FDY fiber from the root of the FDY fiber to ensure the carding effect, and simultaneously remove the FDY fiber with lower adhesion rate to ensure the hair falling rate of the finished product to be reduced.
And finally, performing ironing light on the FDY layer at the ironing temperature of 220-240 ℃, wherein the process can be used for straightening the polyester fiber of the FDY layer, so that the condition that the FDY polyester fiber is curled is avoided.
The two-time after-finishing step is repeated, the main reason is that in the process of the primary after-finishing step, the FDY high-shrinkage polyester fiber can generate large shrinkage, so that the performance of the product is unstable to a certain extent, and the rabbit hair-like fabric with stable performance and low hair loss rate can be obtained by repeating the two-time after-finishing step.
The glue comprises the following raw materials in parts by weight: 35 parts of water-based acrylic resin, 1 part of absolute ethyl alcohol, KH-5600.6 parts of coupling agent, KH-5500.9 parts of coupling agent and 25 parts of deionized water.
Example 2
A preparation process of a rabbit hair-imitated 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 210-220 ℃;
s5, staining: putting the pre-shaped semi-finished fabric into a dye vat, adding a dye, soaking and dyeing for 40-90min at the temperature of 130-135 ℃ (the more the cloth with darker color is dyed for longer time according to the selection of the shade of the dyed color, the more the cloth with darker color is dyed for 40min in the embodiment, and drying after dyeing is finished to enter the next step;
s6, after finishing: shaping, hot blowing, brushing and polishing the dyed semi-finished product;
s7, soaking modification: putting the semi-finished product into a dye vat without dye, putting an antistatic agent (the embodiment specifically selects the antistatic agent FK-311), a softening agent (the embodiment specifically selects the softening agent TF-404A) and a fluffing agent (the embodiment specifically selects the fluffing agent Goon 1202), soaking for 20-40min at 50-60 ℃, and drying after soaking to obtain the finished product.
In the step of S6 after-finishing, a forming machine is used for heat forming of the DTY layer, the forming temperature is 170-190 ℃, and meanwhile sizing (roll coating glue) is carried out on the bottom layer of the DTY layer.
The hot blowing temperature is 160-180 ℃, the hot blowing direction is opposite to the FDY layer, so that the polyester fiber of the FDY layer is fully subjected to thermal shrinkage, the FDY layer specifically adopts high-shrinkage polyester with the specification of 200D/30F, the shrinkage rate is about 30%, the FDY layer has good velvet feeling through thermal shrinkage, and the glue on the DTY layer can be fully solidified and permeated in the hot blowing process.
Carding is carried out on the FDY layer by adopting a machine, so that the surface layer of the FDY layer is more tidy and smooth for subsequent further processing. The carding process is to comb the FDY fiber from the root of the FDY fiber to ensure the carding effect, and simultaneously remove the FDY fiber with lower adhesion rate to ensure the hair falling rate of the finished product to be reduced.
And finally, performing ironing light on the FDY layer at the ironing temperature of 220-240 ℃, wherein the process can be used for straightening the polyester fiber of the FDY layer, so that the condition that the FDY polyester fiber is curled is avoided.
The glue comprises the following raw materials in parts by weight: 35 parts of water-based acrylic resin, 1 part of absolute ethyl alcohol, KH-5600.6 parts of coupling agent, KH-5500.9 parts of coupling agent and 25 parts of deionized water.
Example 3
The glue is different from the glue in the embodiment 1 in that the glue comprises the following raw materials in parts by weight: 35 parts of water-based acrylic resin, 1 part of absolute ethyl alcohol, KH-1510.6 parts of coupling agent, KH-5500.9 parts of coupling agent and 25 parts of deionized water.
Example 4
The glue is different from the glue in the embodiment 1 in that the glue comprises the following raw materials in parts by weight: 35 parts of water-based acrylic resin, 1 part of absolute ethyl alcohol, KH-5600.6 parts of coupling agent, KH-1510.9 parts of coupling agent and 25 parts of deionized water.
Example 5
The glue is different from the glue in the embodiment 1 in that the glue comprises the following raw materials in parts by weight: 35 parts of water-based acrylic resin, KH-5600.6 parts of coupling agent, KH-5500.9 parts of coupling agent and 25 parts of deionized water.
Hair loss rate detection test
The hair-shedding rate of each group of samples is calculated by referring to GB/T25880-2010 fur-shedding test method hair-shedding tester method, and the calculation results are shown in Table 1.
TABLE 1 Hair loss test results
| Hair loss (%) | |
| Example 1 | 0.014 |
| Example 2 | 0.027 |
| Example 3 | 0.025 |
| Example 4 | 0.022 |
| Example 5 | 0.019 |
As can be seen from Table 1, comparative example 1 and example 2 show that the linting rate can be significantly reduced by two afterfinishes.
Comparing example 1 with examples 3 and 4, it can be seen that the coupling agent KH-560 and the coupling agent KH-550 can improve the adhesion rate of glue to the FDY polyester surface layer when being combined, thereby reducing the hair loss rate.
Comparing example 1 with example 5, it can be seen that the addition of absolute ethyl alcohol can also reduce the hair loss rate to some extent.
Fabric sensory evaluation
The blind test experiment was carried out on example 1 of the present invention and a comparative example using a commercially available pure rabbit hair product as a comparative example. Main sensory test items: softness, smoothness and overall aesthetic degree, the scoring standard of each item is fully divided into 10 points, the number of people participating in the experiment is 30, the number of people who like each sample is counted, and the counting result is recorded in a table 2.
TABLE 2 scoring results
| Scoring item | Example 1 | Comparative example |
| Softness | 9.5 | 9.7 |
| Degree of smoothness | 9.7 | 9.6 |
| Overall aesthetic degree | 9.5 | 9.6 |
| Total score | 28.7 | 28.9 |
| Preference number | 12 | 18 |
As can be seen from Table 2, compared with pure rabbit hair fabric, the rabbit hair fabric has the advantages of better softness, smoothness and overall aesthetic degree, even better smoothness, certain advantages in the field of artificial fur, and higher preference among blind test preference choices of the masses.
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 (9)
1. A preparation process of a rabbit hair-imitated 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, staining: putting the pre-shaped semi-finished fabric into a dye vat, adding a dye, carrying out soaking dyeing for 40-90min at the temperature of 130-135 ℃, and drying after dyeing to enter the next step;
s6, primary finishing: shaping, hot blowing, brushing and polishing the dyed semi-finished product;
in the post-finishing step, a forming machine is adopted to form the DTY layer of the semi-finished product, and the DTY layer is glued.
2. The preparation process of the rabbit hair-like fabric according to claim 1, which is characterized in that: the method also comprises the following steps of,
s7, soaking modification: putting the semi-finished product into a dye vat without dye, putting an antistatic agent, a softening agent and a fluffing agent, and soaking for 20-40min at 50-60 ℃;
and S8, finishing again.
3. The preparation process of the rabbit hair-like fabric according to claim 2, which is characterized in that: in steps S6 and S8, the setting temperature is 170-190 ℃.
4. The preparation process of the rabbit hair-like fabric according to claim 2, which is characterized in that: in steps S6 and S8, the hot-blowing temperature is 160-180 ℃, and the FDY layer faces the hot-blowing direction.
5. The preparation process of the rabbit hair-like fabric according to claim 2, which is characterized in that: in the steps S6 and S8, the lustring temperature is 220-240 ℃, and the fiber of the FDY layer is straightened.
6. The preparation process of the rabbit hair-like fabric according to claim 1, which is characterized in that: the FDY terylene adopts 200D/30F shrinkage terylene.
7. The glue used in the preparation process of the rabbit hair-like fabric according to claim 1, which is characterized in that: the raw materials comprise the following components in parts by weight,
30-40 parts of water-based acrylic resin;
1-2 parts of absolute ethyl alcohol;
0.5-0.8 part of silane coupling agent;
25-30 parts of deionized water.
8. The glue of claim 7, wherein: the glue comprises 0.8-1.0 part of KH-550 by weight.
9. The glue of claim 8, wherein: the silane coupling agent adopts KH-560.
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| CN113186635A (en) * | 2021-05-07 | 2021-07-30 | 广州番禺职业技术学院 | Preparation method of rabbit hair-like real silk fabric |
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