CN115434165A - Production process of skin-imitated knitted microfiber fabric - Google Patents
Production process of skin-imitated knitted microfiber fabric Download PDFInfo
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- CN115434165A CN115434165A CN202211060859.2A CN202211060859A CN115434165A CN 115434165 A CN115434165 A CN 115434165A CN 202211060859 A CN202211060859 A CN 202211060859A CN 115434165 A CN115434165 A CN 115434165A
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- 239000004744 fabric Substances 0.000 title claims abstract description 121
- 229920001410 Microfiber Polymers 0.000 title claims abstract description 57
- 239000003658 microfiber Substances 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 229920006150 hyperbranched polyester Polymers 0.000 claims abstract description 29
- 239000000975 dye Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000004043 dyeing Methods 0.000 claims abstract description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 21
- 229920000728 polyester Polymers 0.000 claims abstract description 21
- 239000000986 disperse dye Substances 0.000 claims abstract description 18
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 17
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- 239000003292 glue Substances 0.000 claims description 12
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- 239000002518 antifoaming agent Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- 239000002649 leather substitute Substances 0.000 claims description 10
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 9
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 238000005576 amination reaction Methods 0.000 claims description 9
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- 238000010023 transfer printing Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000003431 cross linking reagent Substances 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 8
- 229920000570 polyether Polymers 0.000 claims description 8
- 238000007639 printing Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- HFBMWMNUJJDEQZ-UHFFFAOYSA-N acryloyl chloride Chemical compound ClC(=O)C=C HFBMWMNUJJDEQZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000007598 dipping method Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 7
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229960000583 acetic acid Drugs 0.000 claims description 4
- 239000002318 adhesion promoter Substances 0.000 claims description 4
- 239000002216 antistatic agent Substances 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 239000012362 glacial acetic acid Substances 0.000 claims description 4
- 238000004898 kneading Methods 0.000 claims description 4
- 238000009940 knitting Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229920001228 polyisocyanate Polymers 0.000 claims description 4
- 239000005056 polyisocyanate Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- -1 polysiloxane Polymers 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 235000017550 sodium carbonate Nutrition 0.000 claims description 4
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- 239000000080 wetting agent Substances 0.000 claims description 4
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000001530 fumaric acid Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000010147 laser engraving Methods 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 3
- 239000002759 woven fabric Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 239000013530 defoamer Substances 0.000 claims 1
- 239000010985 leather Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 13
- 239000002826 coolant Substances 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
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- 150000003077 polyols Chemical class 0.000 description 2
- 241001481789 Rupicapra Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
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Images
Classifications
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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
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5271—Polyesters; Polycarbonates; Alkyd resins
-
- 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
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
-
- 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
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
-
- 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
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- 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
- D06P3/54—Polyesters using dispersed dyestuffs
Abstract
The invention discloses a production process of a skin-imitated knitted microfiber fabric, which comprises the following steps of: selecting 75D/144-288F polyester multifilament as a raw material; shaping the fabric; raising; dyeing: comprises the steps of fabric dyeing pretreatment; dyeing; heating; cooling; reduction cleaning; pre-setting a finished product; shaping a finished product; impregnation; sanding quantitatively; is soft. By adopting the hydroxyl-terminated hyperbranched polyester used in the dyeing process, one end of the polyester can be connected with the polyester microfiber, and the other end of the polyester can be connected with the disperse dye with hydroxyl, so that the color fastness is better. And the surface of the polyester microfiber is etched after being treated by the pretreatment liquid containing sodium hydroxide, so that the polyester microfiber can be easily connected with dye and hydroxyl-terminated hyperbranched polyester, the dye-uptake of the dye can be improved, the effect of imitating real leather is formed through quantitative sanding, and the product has good color fastness.
Description
Technical Field
The invention relates to the technical field of production of artificial leather fabrics, in particular to a production process of an artificial leather knitted microfiber fabric.
Background
In the prior art, in order to achieve or approach the effect of natural cowhide, usually non-woven microfiber or sea-island chamois fabric is adopted, and all the used fibers are sea-island microfiber.
In addition, as the fineness of the single fiber in the raw material of the artificial leather fabric prepared from the sea-island fiber is not more than 0.1D, the color fastness of the fabric can not reach 4 levels generally when the fabric is dyed, and the application of the artificial leather product is greatly limited.
How to improve the color fastness of the imitated real leather knitted microfiber fabric becomes a problem to be solved.
Disclosure of Invention
The invention aims to provide a production process of a leather-imitated knitted microfiber fabric, wherein hydroxyl-terminated hyperbranched polyester used in a dyeing process is adopted, so that one end of the hydroxyl-terminated hyperbranched polyester can be connected with a polyester microfiber, and the other end of the hydroxyl-terminated hyperbranched polyester can be connected with a disperse dye with hydroxyl, and the color fastness performance is better. And after the polyester microfiber is treated by the pretreatment liquid containing sodium hydroxide, the surface of the polyester microfiber is etched, so that the polyester microfiber can be easily connected with dyes and hydroxyl-terminated hyperbranched polyesters, the dye-uptake of the dyes can be improved, the effect of imitating real leather is formed by quantitative sanding, and the product has good color fastness.
In order to solve the technical problem, the invention aims to realize that:
the invention relates to a production process of a leather-imitated knitted microfiber fabric, which comprises the following steps of:
s1, preparing a knitted microfiber fabric: selecting 75D/144-288F polyester multifilament as a raw material, and adopting warp knitting equipment to form the polyester multifilament;
s2, shaping the fabric: carrying out high-temperature setting on the knitted microfiber fabric prepared in the previous step at the temperature of 200-210 ℃, wherein the setting speed is 20-23 meters per minute;
s3, fluffing: fluffing the knitted microfiber fabric shaped in the previous step;
s4, dyeing: dyeing the knitted microfiber fabric after fluffing, comprising the following steps:
s4.1, fabric dyeing pretreatment: carrying out dipping pretreatment liquid on the sanded fabric, wherein the liquid carrying rate is 60-80%, storing for 24 hours in a cold heap, and then cleaning by using water at 70-80 ℃;
the pretreatment liquid comprises 5-10 parts by mass of sodium hydroxide, 0.5-1 part by mass of deoiling agent, 0.5-0.8 part by mass of penetrating agent, 1-2 parts by mass of refining agent and 100 parts by mass of water;
s4.2, dyeing: adding the pretreated fabric into a dye vat, and carrying out the following steps in the dye vat according to a bath ratio of 1: adding dye liquor in a proportion of 10-12;
the preparation of the dye solution comprises the steps of stirring an ultrafine fiber leveling agent, hydroxyl-terminated hyperbranched polyester, albedon U, a dispersing agent and an oligomer remover in water, adding glacial acetic acid to adjust the pH value to 5-6, then heating to 50-60 ℃, adding a disperse dye and uniformly stirring;
the amount of the superfine fiber leveling agent is 1-1.5o.w.f%, the amount of the hydroxyl-terminated hyperbranched polyester is 1.5-2o.w.f%, the amount of the albrun U is 2-3o.w.f%, the amount of the dispersant is 3-5o.w.f%, and the amount of the oligomer remover is 1.5-2o.w.f%; the disperse dye is adjusted according to the shade of the color;
s4.3, heating: heating to 85 deg.C at a rate of 1-1.5 deg.C/min, maintaining for 10-15min, heating to 105 deg.C at a rate of 1-2 deg.C/min, maintaining for 20-25min, heating to 130 deg.C at a rate of 1-2 deg.C/min, and maintaining for 35-40min;
s4.4, cooling: cooling to 55-60 deg.C at 2-3 deg.C/min, and discharging the dye solution;
s4.5, reduction cleaning: adding soda ash and sodium hydrosulfite, heating to 80 deg.C at a speed of 1-1.5 deg.C/min, and maintaining for 20 min; then cooling to 45 ℃ at the speed of 1-1.5 ℃/min, and then cleaning for 10 minutes by using clear water;
s4.6: pre-setting a finished product: the temperature is 180 ℃, and the speed is 30 meters; when in sizing, 0.5 percent of color fixing agent, 0.5 percent of oxalic acid, 1 percent of antistatic agent and 1 to 1.5 percent of polyether glycol are added;
s4.7: shaping of a finished product: the temperature is 180 ℃, and the speed is 30 meters;
s5, impregnation: soaking the dyed fabric in an impregnation liquid for not less than 15 seconds, and extruding the redundant impregnation liquid by extrusion until the liquid is 40-50%; drying in a constant temperature oven at 120-130 ℃;
the impregnation liquid comprises a water-based PVA polymer, a wetting agent and a thickening agent, and the solid content is 25-30%;
s6, quantitative sanding: carrying out quantitative sanding on the knitted microfiber fabric fluffed in the previous step by adopting a quantitative sanding device, wherein the height of fluff is 0.5-1mm;
s7, softening: and (4) kneading the fabric prepared in the last step.
On the basis of the above scheme and as a preferable scheme of the scheme: further comprising:
s8, transfer printing: printing the shaped fabric by adopting transfer printing equipment and water-based ink, wherein the transfer printing temperature is 190-195 ℃; the printed pattern is a cowhide-like pattern;
s9, gold stamping: forming a pattern matched with the printing pattern on the surface of the release film by laser engraving a gravure pattern roller and passing through a glue groove by using glue, and bonding the printed fabric with the upper gluing surface of the release film by using a hot roller to transfer the glue to the printed fabric to form a leather-like effect;
s10, compounding: compounding with woven fabric to form composite fabric;
s11, three-proofing finishing: dipping the composite fabric prepared in the last step into a three-proofing finishing liquid;
s12, drying;
on the basis of the above scheme and as a preferable scheme of the scheme: the quantitative sanding equipment comprises an unwinding device, a first feeding device, a sanding device, an operating platform, a second feeding device and a winding device which are arranged in sequence;
the sanding device comprises a sanding belt and a first movable guide roller; the sanding belt is sleeved outside the sanding driving roller and the sanding driven roller; two ends of the sanding driving roller are provided with air cylinders for adjusting the distance between the first movable guide roller and the sanding belt; two ends of the first movable guide roller are provided with rotary adjusting devices for adjusting the sanding height of the fabric;
the knitted microfiber fabric after fluffing is placed on an unwinding device, passes through a first feeding device and a sanding device, passes through the lower part of an operation platform, passes through a second feeding device, and is coiled on a coiling device;
in the quantitative sanding, the sanding height is adjusted to a set height by adjusting a first movable guide roller; the sanding belt is provided with 200-400 meshes of carborundum.
On the basis of the above scheme and as a preferable scheme of the scheme: in the step S9, the glue used comprises 10-15% of hydroxyl polyacrylate, 5-10% of hydroxyl-containing water-based acrylic emulsion, 5-8% of defoaming agent, 3-5% of polyether modified polysiloxane, 2-3% of organic fluorine modified polyurethane monomer, 3-5% of polyisocyanate crosslinking agent, 3-5% of flatting agent, 1-3% of adhesion promoter, 2-4% of polycarbodiimide crosslinking agent, 3-5% of hydroxyl-terminated hyperbranched polyester and the balance deionized water; the hydroxyl content of the hydroxyl-containing water-based acrylic emulsion is 3-6wt%.
On the basis of the above scheme and as a preferable scheme of the scheme: the water-based ink comprises water-soluble dispersed resin liquid, acrylic polymer emulsion, alcohol ether, disperse dye, a water-based ink dispersing agent, acryloyl chloride modified hyperbranched polyester, a defoaming agent, a stabilizing agent and water.
On the basis of the above scheme and as a preferable scheme of the scheme: the water-based ink comprises 40-45wt% of water-soluble dispersion resin liquid, 15-20wt% of acrylic polymer emulsion, 5-10wt% of alcohol ether, 15-20wt% of disperse dye, 0.5-1wt% of water-based ink dispersant, 2-3wt% of acryloyl chloride modified hyperbranched polyester, 1-2wt% of defoaming agent, 1-2wt% of stabilizer and the balance of water.
On the basis of the above scheme and as a preferable scheme of the scheme: the water-soluble dispersion resin liquid is amination liquid of high-acid-value resin, and is obtained by aminating maleated rosin, fumaric acid rosin or polymerized rosin with high acid value, wherein the high acid value is in the range of 145-155 mgKOH/g, aminating agents used for carrying out amination reaction are ammonia water and monoethanolamine, and the pH value of the amination liquid is 8.0-9.0.
The invention has the beneficial effects that: according to the production process of the artificial leather knitted microfiber fabric, provided by the invention, by adopting the hydroxyl-terminated hyperbranched polyester used in the dyeing process, one end of the hydroxyl-terminated hyperbranched polyester can be connected with the polyester microfiber, and the other end of the hydroxyl-terminated hyperbranched polyester can be connected with the disperse dye with hydroxyl, so that the color fastness is better. And the surface of the polyester microfiber is etched after being treated by the pretreatment liquid containing sodium hydroxide, so that the polyester microfiber can be easily connected with dye and hydroxyl-terminated hyperbranched polyester, the dye-uptake of the dye can be improved, the effect of imitating real leather is formed through quantitative sanding, and the product has good color fastness.
Drawings
FIG. 1 is a front view of a sanding apparatus in accordance with the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the sanding device according to the present invention;
FIG. 4 is a schematic view of the structure of a first feeding apparatus;
fig. 5 is a schematic view of the structure of the dust suction apparatus.
FIG. 6 is a schematic view of the structure of the sanding drive roll cooling device;
FIG. 7 is a cross-sectional view of the sanding drive roll;
fig. 8 is a schematic structural view of the tension adjusting device.
The symbols in the figure illustrate the following: 1-an unwinding device; 2-a first feeding device; 321-a first cloth guide roller; 22-a second cloth guide roll; 3-sanding device; 31-sanding a sanding belt; 32-sanding drive roll; 33-sanding driven rollers; 34-a first movable guide roll; 35-a second movable guide roll; 33-a tenter roller; 4-operating the platform; 5-a second feeding device; 6-a winding device; 7-an electrical cabinet; 8-a tension adjusting device; 81-tension roller; 82-a connecting rod; 83-adjusting the cylinder; 84-an arc-shaped hole; 9-fabric; 10-a first dust extraction device; 11-a second dust extraction; 12-dust suction holes; 13-suction nozzle.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Example one
The present embodiment will be described in detail with reference to the accompanying drawings. The production process of the artificial leather knitted microfiber fabric related to the embodiment comprises the following steps:
s1, preparing a knitted microfiber fabric: selecting 75D/288F polyester multifilament as a raw material, and adopting warp knitting equipment to form the polyester fiber fabric; the longitudinal density of the gray fabric of the prepared and knitted microfiber fabric is 22 needles/cm;
the first guide bar adopts a full-penetration threading mode; the second guide bar adopts a full-penetration threading mode; the third guide bar adopts a threading mode of threading 2 and threading 2; and the fourth guide bar adopts a threading mode of threading 2 and threading 2.
S2, shaping the fabric: and (3) carrying out high-temperature setting on the knitted microfiber fabric prepared in the last step at the temperature of 210 ℃, wherein the setting speed is-23 meters per minute.
S3, fluffing: and (4) fluffing the knitted microfiber fabric shaped in the last step.
S4, dyeing: the method for dyeing the knitted microfiber fabric after fluffing comprises the following steps:
s4.1, fabric dyeing pretreatment: and (3) carrying out dipping pretreatment liquid on the sanded fabric, wherein the liquid carrying rate is 80%, storing for 24 hours in a cold heap, and then cleaning by using water at 80 ℃.
The pretreatment liquid comprises 10 parts by mass of sodium hydroxide, 1 part by mass of a deoiling agent, 0.8 part by mass of a penetrating agent, 2 parts by mass of a refining agent and 100 parts by mass of water.
S4.2, dyeing: adding the pretreated fabric into a dye vat, and adding the pretreated fabric into the dye vat according to a bath ratio of 1:12, adding the dye liquor.
The dye solution is prepared by stirring an ultrafine fiber leveling agent, hydroxyl-terminated hyperbranched polyester, albedon U, a dispersing agent and an oligomer remover in water, adding glacial acetic acid to adjust the pH value to 5-6, then heating to 60 ℃, adding a disperse dye and uniformly stirring.
The amount of the superfine fiber leveling agent is 1.5o.w.f%, the amount of the hydroxyl-terminated hyperbranched polyester is 2o.w.f%, the amount of the albugineu is 3o.w.f%, the amount of the dispersant is 5o.w.f%, and the amount of the oligomer remover is 2o.w.f%; the disperse dye was adjusted according to the shade of the color, and in this example was 5o.w.f%.
S4.3, heating: heating to 85 deg.C at a rate of 1.5 deg.C/min, holding for-15 min, heating to 105 deg.C at a rate of 2 deg.C/min, holding for-25 min, heating to 130 deg.C at a rate of 2 deg.C/min, and holding for 40min;
s4.4, cooling: the temperature is reduced to 60 ℃ at the speed of 3 ℃/min, and the dye liquor is discharged.
S4.5, reduction cleaning: adding soda ash and sodium hydrosulfite, heating to 80 ℃ at the speed of 1.5 ℃/min, and preserving heat for 20 minutes; then the temperature is reduced to 45 ℃ at the speed of 1.5 ℃/min, and then the mixture is washed by clean water for 10 minutes.
S4.6: pre-setting a finished product: the temperature is 180 ℃, and the vehicle speed is 30 meters; when in sizing, 0.5 percent of color fixing agent, 0.5 percent of oxalic acid, 1 percent of antistatic agent and 1.5 percent of polyether polyol are added.
S4.7: shaping of a finished product: the temperature is 180 ℃, and the speed is 30 meters.
S5, impregnation: soaking the dyed fabric in an impregnation liquid for not less than 15 seconds, and extruding the redundant impregnation liquid by extrusion until the liquid is 50%; and drying in a constant-temperature oven at 130 ℃. The impregnation liquid comprises a water-based PVA polymer, a wetting agent and a thickening agent, and the solid content is 30%.
S6, quantitatively sanding: and quantitatively sanding the knitted microfiber fabric fluffed in the previous step by adopting a quantitative sanding device, wherein the height of fluff is 0.5-1mm.
S7, softening: and (4) kneading the fabric prepared in the last step.
Further, the quantitative sanding device comprises an unwinding device 1, a first feeding device 2, a sanding device 3, an operation platform 4, a second feeding device 5 and a winding device 6 which are arranged in sequence.
After being led out from the unwinding device 1, the fabric 9 is fed to the sanding device 3 through the first feeding device 2 for sanding treatment, and then is fed to the second feeding device 5 through the lower part of the operating platform 4 for winding in a coil through the winding device 6. The unwinding device 1 and the winding device 6 used are prior art and will not be described in detail.
The sanding device 3 comprises a sanding belt 31 and a first movable guide roller 34; the sanding belt 31 is sleeved outside the sanding driving roller 32 and the sanding driven roller 33. The sanding drive roll 32 is rotated by a power source. In the quantitative sanding, the sanding height is adjusted to 0.5mm by adjusting the first movable guide roller; the sanding belt is provided with 200-400 meshes of carborundum.
Two ends of the sanding driving roller 32 are provided with air cylinders for adjusting the distance between the first movable guide roller 34 and the sanding belt 31, and the distance is the thickness of the fabric.
And two ends of the first movable guide roller 34 are provided with rotary adjusting devices for adjusting the sanding height of the fabric. Further, the rotation adjusting device comprises a screw pair connected with the end part of the first movable guide roller 34, and the other end of the screw pair is connected with a speed reducer and a rotation driving device. The rotary drive is a hand wheel, on which a handle is arranged. The first movable guide roller 34 can be driven to move through the speed reducer and the screw rod pair by rotating the hand wheel, so that fine adjustment of the first movable guide roller 34 can be realized, and the fine adjustment interval is the height of sanding.
In the present invention, the first feeding device 2 and the second feeding device 5 have the same structure, and the structure will be described by taking the second feeding device 2 as an example. The first feeding device 2 comprises a first cloth guide roller 21 and two second cloth guide rollers 22, the diameter of the first cloth guide roller 21 is at least twice of that of the second cloth guide rollers 22, and the wrapping angle of the fabric 9 and the first cloth guide roller 21 is larger than 180 degrees; the surface of the first cloth guide roller 21 is rough, and the surface of the second cloth guide roller is smooth 22; the first cloth guide roller 21 is driven to rotate by a power source. The rotation of first fabric guide roller 21 can drive the rotation of surface fabric because its coarse surface to its parcel angle is great, and further improved the frictional force between first fabric guide roller 21 and surface fabric 9.
Further, in order to adjust the tension of the fabric during winding, a tension adjusting device 8 is arranged between the second feeding device 5 and the winding device 6; the tension adjusting device 8 comprises a tension roller 81, a connecting rod 82 and an adjusting cylinder 83. One end of the connecting rod 81 is rotatably connected with the sanding equipment rack, the other end of the connecting rod is connected with the end of the tension roller 81, the end of the piston rod in the adjusting cylinder 83 is fixed in the middle of the connecting rod and can drive the connecting rod to rotate, so that the end of the tension roller moves along an arc-shaped hole 84, and the effect of adjusting tension is achieved. The end of the cylinder body of the adjusting cylinder 83 is also rotatably connected with the sanding device frame.
In order to further adjust the tension of the fabric 9 entering the sanding area, a second movable guide roller 35 is arranged below the first movable guide roller 34, and the second movable guide roller 35 is driven by an air cylinder to move along the horizontal direction and is used for adjusting the tension.
In order to enable the cloth surface to be smoother when the fabric 9 enters the sanding area, a width stretching roller 37 is arranged below the second movable guide roller 35, one part of the width stretching roller 37 is provided with smooth bulges distributed in a counterclockwise spiral manner, and the other part of the width stretching roller 37 is provided with smooth bulges distributed in a clockwise spiral manner.
Furthermore, in order to adjust the tension of sanding belt 31, a movable tension adjusting roller 36 is disposed inside sanding belt 31 for adjusting the tension of sanding belt 31.
When the fabric 9 is sanded, dust can be generated, and certain influence is exerted on the health of operators. In order to reduce the diffusion of dust in the operation workshop, a first dust suction device 10 is arranged above a sanding area formed by the sanding belt 31 and the first movable cloth guide roller 34, a second dust suction device 11 is arranged below the sanding area, the two dust suction devices are similar in structure and respectively comprise a hollow shell which gradually shrinks, one end of the hollow shell is provided with a dust suction hole 12, the other end of the hollow shell is provided with a suction nozzle 13, and the suction nozzle 13 is connected with the suction device and can suck the dust at the position of the dust suction hole 12, so that the dust cannot diffuse in the operation workshop to affect operation workers.
When sanding is performed for a long time, the sanding belt 31 is in contact with the fabric 9 for sanding, so that the heating phenomenon can occur, and the sanding quality is affected. In order to reduce the temperature of sanding belt 31, a refrigerating device 301 is connected to one end of sanding drive roller 32 via a liquid inlet pipe 302 and a liquid outlet pipe 303. The cooling medium used in the refrigeration apparatus 301 is water.
A liquid inlet 321 and a liquid outlet 322 are arranged at the end part of the sanding driving roller 32, the liquid inlet 321 is communicated with the liquid inlet pipe 302, and the liquid outlet 322 is communicated with the liquid outlet pipe 322. The other end of the liquid inlet 321 is communicated with an outer spiral pipe 323, and the other end of the liquid outlet 322 is communicated with an inner spiral pipe 324. The cooling medium passing through the refrigerating device 301 enters the outer spiral pipe 323 through the liquid inlet pipe 302 and the liquid inlet 321, and the temperature of the surface of the sanding driving roller 32 is reduced by the cooling medium in the outer spiral pipe 323, so that the temperature of the sanding belt 31 is reduced. After cooling the surface of the sanding drive roll 32, the cooling medium enters the inner spiral tube 324 from the outer spiral tube 323, and the temperature of the cooling medium inside the inner spiral tube 324 increases.
A layer of heat insulating material 325 is further arranged between the inner spiral pipe 324 and the outer spiral pipe 323, so that heat exchange between the inner spiral pipe 324 and the outer spiral pipe 323 cannot occur, and the temperature of a cooling medium in the outer spiral pipe 323 cannot be increased. And the inner spiral tube 324 and the outer spiral tube 323 exhibit opposite spirals.
Example two
The production process of the artificial leather knitted microfiber fabric related to the embodiment comprises the following steps:
s1, preparing a knitted microfiber fabric: selecting 75D/144-288F polyester multifilament as a raw material, and adopting warp knitting equipment to form the polyester yarn; the longitudinal density of the gray fabric of the prepared and knitted microfiber fabric is 22 needles/cm;
a first guide bar selects a full-penetration threading mode; the second guide bar adopts a full-penetration threading mode; the third guide bar adopts a threading mode of threading 2 space 2; and the fourth guide bar adopts a threading mode of threading 2 and threading 2.
S2, shaping the fabric: and (3) carrying out high-temperature setting on the knitted microfiber fabric prepared in the last step at the temperature of 200 ℃, wherein the setting speed is 20 meters per minute.
S3, fluffing: and (4) fluffing the knitted microfiber fabric shaped in the last step.
S4, dyeing: dyeing the knitted microfiber fabric after fluffing, comprising the following steps:
s4.1, fabric dyeing pretreatment: and (3) carrying out dipping pretreatment liquid on the sanded fabric, wherein the liquid carrying rate is 60%, storing for 24 hours in a cold heap, and then cleaning by using water at 70 ℃.
The pretreatment liquid comprises 5 parts by mass of sodium hydroxide, 0.5 part by mass of a deoiling agent, 0.5 part by mass of a penetrating agent, 1 part by mass of a refining agent and 100 parts by mass of water.
S4.2, dyeing: adding the pretreated fabric into a dye vat, and carrying out the following steps in the dye vat according to a bath ratio of 1: the dye liquor is added in a proportion of 10.
The dye solution is prepared by stirring a superfine fiber leveling agent, hydroxyl-terminated hyperbranched polyester, albino U, a dispersing agent and an oligomer remover in water, adding glacial acetic acid to adjust the pH value to 5-6, then heating to 50 ℃, adding a disperse dye and uniformly stirring.
The amount of the superfine fiber leveling agent is 1o.w.f%, the amount of the hydroxyl-terminated hyperbranched polyester is 1.5o.w.f%, the amount of the albugineu is 2o.w.f%, the amount of the dispersant is 3o.w.f%, and the amount of the oligomer remover is 1.5o.w.f%; the disperse dye is adjusted according to the shade of the color.
S4.3, heating: heating to 85 deg.C at a rate of 1 deg.C/min, maintaining for 10min, heating to 105 deg.C at a rate of 1 deg.C/min, maintaining for 20min, heating to 130 deg.C at a rate of 1 deg.C/min, and maintaining for 35min;
s4.4, cooling: cooling to 55-60 deg.C at 2 deg.C/min, and discharging the dye solution.
S4.5, reduction cleaning: adding soda ash and sodium hydrosulfite, heating to 80 ℃ at the speed of 1 ℃/min, and preserving heat for 20 minutes; then the temperature is reduced to 45 ℃ at the speed of 1 ℃/min, and then the mixture is washed by clean water for 10 minutes.
S4.6: pre-setting a finished product: the temperature is 180 ℃, and the vehicle speed is 30 meters; during setting, 0.5% of color fixing agent, 0.5% of oxalic acid, 1% of antistatic agent and 1% of polyether polyol are added.
S4.7: shaping of a finished product: the temperature is 180 ℃ and the speed is 30 meters.
S5, impregnation: soaking the dyed fabric in an impregnation liquid for not less than 15 seconds, and extruding the redundant impregnation liquid by extrusion until the liquid is 40%; and then drying in a constant-temperature oven at 120-130 ℃. The impregnation liquid comprises a water-based PVA polymer, a wetting agent and a thickening agent, and the solid content is 25%.
S6, quantitatively sanding: and (3) carrying out quantitative sanding on the knitted microfiber fabric fluffed in the previous step by adopting a quantitative sanding device, wherein the height of fluff is 0.5mm.
S7, softening: and (4) kneading the fabric prepared in the last step.
The color fastness test of the imitated leather knitted microfiber fabrics prepared in the first and second examples is as follows:
| example one | Example two | EXAMPLE III | |
| Color fastness to dry rubbing | 4-5 | 4 | 4-5 |
| Colour fastness to wet rubbing | 4 | 4-5 | 4 |
| Color fastness to sunlight | 4 | 4-5 | 4 |
| Color fastness to sublimation | 4-5 | 4-5 | 4-5 |
As can be seen from the tables above, examples one and two had good color fastness.
EXAMPLE III
The production process of the artificial leather knitted microfiber fabric related to the embodiment further comprises the following steps:
s8, transfer printing: printing the shaped fabric by adopting transfer printing equipment and water-based ink, wherein the transfer printing temperature is 190-195 ℃; the printed pattern is a cowhide-like pattern. In this example 190 ℃.
Further, the water-based ink comprises water-soluble dispersed resin liquid, acrylic polymer emulsion, alcohol ether, disperse dye, water-based ink dispersing agent, acryloyl chloride modified hyperbranched polyester, defoaming agent, stabilizer and water.
Further, the water-based ink comprises 40-45wt% of water-soluble dispersion resin liquid, 15-20wt% of acrylic polymer emulsion, 5-10wt% of alcohol ether, 15-20wt% of disperse dye, 0.5-1wt% of water-based ink dispersing agent, 2-3wt% of acryloyl chloride modified hyperbranched polyester, 1-2wt% of defoaming agent, 1-2wt% of stabilizer and the balance of water. Specifically, in this embodiment, the aqueous ink includes 45wt% of the water-soluble dispersion resin solution, 15wt% of the acrylic polymer emulsion, 10wt% of the alcohol ether, 15wt% of the disperse dye, 1wt% of the aqueous ink dispersant, 2wt% of the acryloyl chloride modified hyperbranched polyester, 2wt% of the defoaming agent, 1wt% of the stabilizer, and the balance of water.
Further, the water-soluble dispersion resin liquid is an amination liquid of a high acid value resin, and is obtained by aminating maleated rosin, fumaric acid rosin or polymerized rosin with a high acid value, wherein the high acid value is in a range of 145-155 mgKOH/g, aminating agents used for carrying out amination reaction are ammonia water and monoethanolamine, and the pH value of the amination liquid is 8.0-9.0.
S9, gold stamping: through laser engraving intaglio roller runner for glue forms and stamp flower type assorted flower type from the surface of type membrane, and the surface fabric after will printing through the hot-rolling bonds with the last gluey face from the type membrane mutually, makes glue shift to the surface fabric after the printing on, forms imitative skin effect.
Further, in the step S9, the glue used comprises 10-15% of hydroxyl polyacrylate, 5-10% of hydroxyl-containing aqueous acrylic emulsion, 5-8% of defoaming agent, 3-5% of polyether modified polysiloxane, 2-3% of organic fluorine modified polyurethane monomer, 3-5% of polyisocyanate crosslinking agent, 3-5% of leveling agent, 1-3% of adhesion promoter, 2-4% of polycarbodiimide crosslinking agent, 3-5% of hydroxyl-terminated hyperbranched polyester and the balance of deionized water; the hydroxyl content of the hydroxyl-containing water-based acrylic emulsion is 3-6wt%. In this embodiment, the glue includes 15% of hydroxyl polyacrylate, 5% of hydroxyl-containing aqueous acrylic emulsion, 8% of defoaming agent, 3% of polyether modified polysiloxane, 3% of organic fluorine modified polyurethane monomer, 3% of polyisocyanate crosslinking agent, 3% of leveling agent, 3% of adhesion promoter, 2% of polycarbodiimide crosslinking agent, 5% of hydroxyl-terminated hyperbranched polyester, and the balance of deionized water;
s10, compounding: and compounding with the woven fabric to form the composite fabric.
S11, three-proofing finishing: and (3) dipping the composite fabric prepared in the last step into three-proofing finishing liquid.
And S12, drying.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A production process of a skin-imitated knitted microfiber fabric is characterized by comprising the following steps:
s1, preparing a knitted microfiber fabric: selecting 75D/144-288F polyester multifilament as a raw material, and adopting warp knitting equipment to form the polyester yarn;
s2, shaping the fabric: carrying out high-temperature setting on the knitted microfiber fabric prepared in the last step at the temperature of 200-210 ℃, wherein the setting speed is 20-23 meters per minute;
s3, fluffing: fluffing the knitted microfiber fabric shaped in the previous step;
s4, dyeing: the method for dyeing the knitted microfiber fabric after fluffing comprises the following steps:
s4.1, fabric dyeing pretreatment: performing dipping pretreatment liquid on the sanded fabric, wherein the liquid carrying rate is 60-80%, storing for 24 hours in a cold heap, and then cleaning by using water at 70-80 ℃;
the pretreatment liquid comprises 5-10 parts by mass of sodium hydroxide, 0.5-1 part by mass of deoiling agent, 0.5-0.8 part by mass of penetrating agent, 1-2 parts by mass of refining agent and 100 parts by mass of water;
s4.2, dyeing: adding the pretreated fabric into a dye vat, and carrying out the following steps in the dye vat according to a bath ratio of 1: adding dye liquor according to the proportion of 10-12;
the dye solution is prepared by stirring a superfine fiber leveling agent, hydroxyl-terminated hyperbranched polyester, albino U, a dispersing agent and an oligomer remover in water, adding glacial acetic acid to adjust the pH value to 5-6, then heating to 50-60 ℃, adding a disperse dye and uniformly stirring;
the amount of the superfine fiber leveling agent is 1-1.5o.w.f%, the amount of the hydroxyl-terminated hyperbranched polyester is 1.5-2o.w.f%, the amount of the albrun U is 2-3o.w.f%, the amount of the dispersant is 3-5o.w.f%, and the amount of the oligomer remover is 1.5-2o.w.f%; the disperse dye is adjusted according to the shade of the color;
s4.3, heating: heating to 85 deg.C at a rate of 1-1.5 deg.C/min, maintaining for 10-15min, heating to 105 deg.C at a rate of 1-2 deg.C/min, maintaining for 20-25min, heating to 130 deg.C at a rate of 1-2 deg.C/min, and maintaining for 35-40min;
s4.4, cooling: cooling to 55-60 deg.C at 2-3 deg.C/min, and discharging the dye solution;
s4.5, reduction cleaning: adding soda ash and sodium hydrosulfite, heating to 80 deg.C at a speed of 1-1.5 deg.C/min, and keeping the temperature for 20 min; then cooling to 45 ℃ at the speed of 1-1.5 ℃/min, and then cleaning for 10 minutes by using clear water;
s4.6: pre-setting a finished product: the temperature is 180 ℃, and the vehicle speed is 30 meters; when in sizing, 0.5 percent of color fixing agent, 0.5 percent of oxalic acid, 1 percent of antistatic agent and 1 to 1.5 percent of polyether glycol are added;
s4.7: shaping of a finished product: the temperature is 180 ℃, and the speed is 30 meters;
s5, impregnation: soaking the dyed fabric in an impregnation liquid for not less than 15 seconds, and extruding the redundant impregnation liquid by extrusion until the liquid is 40-50%; drying in a constant temperature oven at 120-130 ℃;
the impregnation liquid comprises a water-based PVA polymer, a wetting agent and a thickening agent, and the solid content is 25-30%;
s6, quantitative sanding: carrying out quantitative sanding on the knitted microfiber fabric fluffed in the previous step by adopting a quantitative sanding device, wherein the height of fluff is 0.5-1mm;
s7, softening: and (4) kneading the fabric prepared in the last step.
2. The production process of the artificial leather knitted microfiber fabric according to claim 1, further comprising:
s8, transfer printing: printing the shaped fabric by adopting transfer printing equipment and water-based ink, wherein the transfer printing temperature is 190-195 ℃; the printing pattern is a cowhide-imitating pattern;
s9, gold stamping: forming patterns matched with the printing patterns on the surface of the release film by using the glue through a laser engraving gravure pattern roller and a glue trough, and bonding the printed fabric with the upper gluing surface of the release film through a hot roller to transfer the glue onto the printed fabric to form a leather-like effect;
s10, compounding: compounding with the woven fabric to form a composite fabric;
s11, three-proofing finishing: dipping the composite fabric prepared in the last step into a three-proofing finishing liquid;
and S12, drying.
3. The process for producing the suede-knitted microfiber fabric according to claim 1, wherein the quantitative sanding device comprises an unwinding device, a first feeding device, a sanding device, an operation platform, a second feeding device and a winding device which are sequentially arranged;
the sanding device comprises a sanding belt and a first movable guide roller; the sanding belt is sleeved outside the sanding driving roller and the sanding driven roller; two ends of the sanding driving roller are provided with air cylinders for adjusting the distance between the first movable guide roller and the sanding belt; two ends of the first movable guide roller are provided with rotary adjusting devices for adjusting the sanding height of the fabric;
placing the fluffed knitted microfiber fabric on an unwinding device, passing through a first feeding device and a sanding device, passing through the lower part of an operation platform, passing through a second feeding device, and coiling on a coiling device;
in the quantitative sanding, the sanding height is adjusted to a set height by adjusting the first movable guide roller; the sanding belt is provided with 200-400 meshes of carborundum.
4. The production process of the artificial leather knitted microfiber fabric according to claim 2, wherein in step S9, the glue used comprises 10-15% of hydroxyl polyacrylate, 5-10% of hydroxyl-containing aqueous acrylic emulsion, 5-8% of defoaming agent, 3-5% of polyether modified polysiloxane, 2-3% of organic fluorine modified polyurethane monomer, 3-5% of polyisocyanate crosslinking agent, 3-5% of leveling agent, 1-3% of adhesion promoter, 2-4% of polycarbodiimide crosslinking agent, 3-5% of hydroxyl-terminated hyperbranched polyester and the balance of deionized water; the hydroxyl content of the hydroxyl-containing water-based acrylic emulsion is 3-6wt%.
5. The production process of the suede-like knitted microfiber fabric according to claim 2, wherein the water-based ink comprises a water-soluble dispersion resin solution, an acrylic polymer emulsion, an alcohol ether, a disperse dye, a water-based ink dispersant, an acryloyl chloride modified hyperbranched polyester, a defoaming agent, a stabilizer and water.
6. The production process of the suede-like knitted microfiber fabric according to claim 5, wherein the aqueous ink comprises 40-45wt% of water-soluble dispersion resin liquid, 15-20wt% of acrylic polymer emulsion, 5-10wt% of alcohol ether, 15-20wt% of disperse dye, 0.5-1wt% of aqueous ink dispersant, 2-3wt% of acryloyl chloride modified hyperbranched polyester, 1-2wt% of defoamer, 1-2wt% of stabilizer and the balance of water.
7. The process for producing a suede-like knitted microfiber fabric according to claim 5, wherein the water-soluble dispersion resin liquid is an amination liquid of a high acid value resin obtained by aminating a high acid value maleated rosin, fumaric acid rosin or polymerized rosin, the high acid value is in a range of 145 to 155mgKOH/g, aminating agents used for the amination reaction are ammonia and monoethanolamine, and the pH value of the amination liquid is 8.0 to 9.0.
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