CN104264498B - A kind of preparation method of micro suede artificial leather - Google Patents
A kind of preparation method of micro suede artificial leather Download PDFInfo
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- CN104264498B CN104264498B CN201410474004.3A CN201410474004A CN104264498B CN 104264498 B CN104264498 B CN 104264498B CN 201410474004 A CN201410474004 A CN 201410474004A CN 104264498 B CN104264498 B CN 104264498B
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- 239000002649 leather substitute Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 57
- 238000004043 dyeing Methods 0.000 claims abstract description 38
- 238000002203 pretreatment Methods 0.000 claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 230000009467 reduction Effects 0.000 claims abstract description 19
- 238000004513 sizing Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 38
- 239000003094 microcapsule Substances 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 24
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 21
- 239000011265 semifinished product Substances 0.000 claims description 21
- 206010061592 cardiac fibrillation Diseases 0.000 claims description 18
- 230000002600 fibrillogenic effect Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- 239000002344 surface layer Substances 0.000 claims description 18
- 238000010792 warming Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 239000004640 Melamine resin Substances 0.000 claims description 10
- 229920000877 Melamine resin Polymers 0.000 claims description 10
- 230000001804 emulsifying effect Effects 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004952 Polyamide Substances 0.000 claims description 9
- 229920002647 polyamide Polymers 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 7
- 239000000986 disperse dye Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 229920006322 acrylamide copolymer Polymers 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- YIOJGTBNHQAVBO-UHFFFAOYSA-N dimethyl-bis(prop-2-enyl)azanium Chemical compound C=CC[N+](C)(C)CC=C YIOJGTBNHQAVBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000002932 luster Substances 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 239000000975 dye Substances 0.000 description 21
- 239000010985 leather Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 241001481789 Rupicapra Species 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0034—Polyamide fibres
-
- 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
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- 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
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
- D06N2209/123—Breathable
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention relates to the preparation field of artificial leather, it is provided that a kind of good permeability, even dyeing, lovely luster, environmental protection, the micro suede artificial leather that energy-conservation, Financial cost is relatively low preparation method, comprise the following steps that: (1) selection；(2) base fabric pre-treatment；(3) spray treatment；(4) dyeing pre-treatment；(5) dyeing；(6) reduction cleaning；(7) laser boring sizing.
Description
Technical field
The present invention relates to the preparation field of artificial leather, the preparation method particularly relating to a kind of micro suede artificial leather.
Background technology
Artificial leather, synthetic leather are one of major products of plastic, and raw material sources enriches, and Fundamental Physical Properties is excellent, has wide range of applications, and is that natural leather is unrivaled.Superfine fibre is the fiber of current fibre field emphasis research and development, is also the developing direction of following fiber.International and domestic at present superfine fibre be there is no unified regulation and standard.Usually the filament number of the fiber fiber lower than 0.11dtex is called superfine fibre.The exploitation of superfine fiber chemical leather, it is the model that is combined with each other of new material, it completes by " copying " process to " conversion ", people are broken through to the concept of artificial leather in traditional sense, with the compounded synthetic leather being similar to natural leather outward appearance and performance of superfine fibre and polyurethane, its development prospect is good.At present, the grown place that superfine fiber chemical leather is main concentrates on the Japan in Asia, Korea S, China, area, four, Taiwan.Along with constantly widening of superfine fiber chemical leather application, new superfine fiber chemical leather develops towards fine direction, and new material is constantly applied, and new function is continuously increased.
Micro suede artificial leather is a kind of staple product with dacron ultrafine fiber exploitation, and because purposes is favored by businessman more extensively and deeply, development prospect is considerable.The disperse dyes that Glove suede dyeing is used, need by multiple auxiliary agent in preparation and use procedure, cause that a large amount of dyestuff is trapped in equipment inner wall, fiber surface and dyeing waste-water.After product dyed thereby reduction cleaning and removal loose colour, also increasing the loads such as colourity in cleanout fluid, COD, BOD and basicity, and remain in the dyestuff in waste water, disperse superfine and extremely stable, therefore, the dyeing waste-water processing disperse dyes is very difficult.And owing to superfine fibre density is little, pulp freeness is big, and colouring is very fast, easily cause dyeing uneven, produce the flaw such as poor reproducibility and color flower, simultaneously, pulp freeness is big, and dyestuff exceeds several times than equal colors conventional fibre, and every fastness declines to some extent than conventional fibre.
It addition, traditional chamois leather artificial leather has polyurethane skin layer mostly, and the air permeable effect of polyurethane skin layer is not good, and poisture-penetrability is poor, affects the overall performance of product.
Summary of the invention
Therefore, for above content, the preparation method that the present invention provides a kind of good permeability, even dyeing, lovely luster, environmental protection, the micro suede artificial leather that energy-conservation, Financial cost is relatively low.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions: the preparation method of a kind of micro suede artificial leather, comprises the following steps that:
(1) selection: choose fabric of island-in-sea type superfine polyamide fiber as base fabric；
(2) base fabric pre-treatment: the base fabric that step (1) is chosen is carried out fibrillation, pre-setting, plucking, cropping pre-treatment, the temperature of described fibrillation is set as 100～105 DEG C, and described pre-setting temperature controls at 150～158 DEG C；
(3) spray treatment: by the base fabric through pre-treatment by being coated with the leftover of bolt of cloth, one layer of viscosity of coating is the bed material of 6000～7000cps thereon, and bed material is 100:66～75:5～10:2～3:4～6=polyurethane by weight ratio: dimethylformamide: UV absorbers: cross-linking agent: accelerator；Obtain the semi-finished product with surface layer；
(4) dyeing pre-treatment: by above-mentioned semi-finished product through drying and processing, drying and processing temperature controls at 145～155 DEG C, and the drying and processing time is 5～7min；
(5) dyeing: the semi-finished product through dyeing pre-treatment are carried out dyeing process, adopt microcapsule disperse, the initial temperature of microcapsule disperse is room temperature, then with the ramp of 1.5～2 DEG C/min to 128～132 DEG C, constant temperature 0.5～1.0h, is then down to room temperature at the same rate, is being warming up to 130 DEG C at the same rate, constant temperature 20min, draining；
(6) reduction cleaning: reduction cleaning liquid is mass concentration is the NaOH of 70～80%；
(7) laser boring sizing: the half-finished surface layer through reduction cleaning is carried out laser boring process, it is thus achieved that there is the micro suede artificial leather of engraved structure.
Further improve and be: the preparation process of described microcapsule disperse is, disperse dyes are mixed with dimethyl diallyl ammonium chloride-acrylamide copolymer, add water, emulsifying, regulate pH=4～6, emulsion good for emulsifying is moved into three-necked bottle, being placed in constant temperature water bath, dropping melamine resin polymer Q3, is warming up to 50～70 DEG C after dropwising while stirring, insulation 10min, it is down to room temperature afterwards, then drips melamine resin polymer Q6 while stirring, after dropwising, it is warming up to 60～80 DEG C, is incubated 1～3h；Cooling, regulates pH=8～9 with ammonia, precipitation, filters, dry, namely prepares microcapsule disperse.
By adopting preceding solution, the invention has the beneficial effects as follows: the micro suede artificial leather of the present invention, a, in selection, have selected fabric of island-in-sea type superfine polyamide fiber as base fabric, superfine polyamide fiber can keep higher dyefastness and good fine hair outward appearance, and be fabric of island-in-sea type, base fabric prepared by sea-island composite fiber is comparatively soft, and napping is effective；B, base fabric pre-treatment include fibrillation, pre-setting, plucking, cropping pre-treatment, the temperature of described fibrillation is set as 100～105 DEG C, described pre-setting temperature controls at 150～158 DEG C, the performance of base fabric is had a significant impact by the control of temperature parameter, and fibrillation temperature is too low, fibrillation poor effect, temperature is too high, then can destroy the intensity of fiber, and its temperature is set in 100～105 by the application, it is possible to obtain performance is fiber preferably；C, by through pre-treatment base fabric by be coated with the leftover of bolt of cloth, one layer of viscosity of coating is the bed material of 6000～7000cps thereon, bed material is 100:66～75:5～10:2～3:4～6=polyurethane by weight ratio: dimethylformamide: UV absorbers: cross-linking agent: accelerator, the semi-finished product with surface layer structure can be obtained through this step process, and utilize above formula to be coated processing, adhesive need not be used, surface layer gets final product combining of fastness with base cloth layer, save the use of adhesive, save Financial cost；D, by semi-finished product through drying and processing, drying and processing temperature controls at 145～155 DEG C, and the drying and processing time is 5～7min so that being combined on base cloth layer of surface layer fastness；E, by through dyeing pre-treatment semi-finished product carry out dyeing process, adopt microcapsule disperse, the initial temperature of microcapsule disperse is room temperature, then with the ramp of 1.5～2 DEG C/min to 128～132 DEG C, constant temperature 0.5～1.0h, is then down to room temperature at the same rate, is being warming up to 130 DEG C at the same rate, constant temperature 20min, draining；By controlling heating rate in dyeing course, and employing microcapsule disperse, make the micro suede artificial leather even dyeing of preparation, paint bright-coloured, microcapsule disperse is wrapped in inside microcapsule when dyeing due to dyestuff, therefore dyestuff contaminates fiber in capsule and requires over the hole of outer wall and infiltrate, such dyestuff does not directly contact with fabric, dye liquor between dyestuff and fabric can by concentration difference constant for maintenance in long-time, dyestuff can be slowly lasting upper dye fiber, and dyestuff is more regular in the arrangement of fibrous inside molecule, do not have the phenomenon of migration property difference, too many loose colour will not be produced at fiber surface, the efficiency that microcapsule disperse is absorbed by fabric is higher than common dye, staining efficiency is high.F, laser boring sizing: the half-finished surface layer through reduction cleaning is carried out laser boring process, it is thus achieved that the good micro suede artificial leather of air permeable effect.
Detailed description of the invention
Describing embodiments of the present invention in detail below with reference to specific embodiment, to the present invention, how application technology means solve technical problem whereby, and the process that realizes reaching technique effect can fully understand and implement according to this.
If not specializing, the conventional means that the technological means adopted in embodiment is well known to those skilled in the art, the reagent adopted and product are also available commercial.The source of agents useful for same, trade name and be necessary to list its constituent person, all indicate when occurring first.
Embodiment one
The preparation method of a kind of micro suede artificial leather, comprises the following steps that:
(1) selection: choose fabric of island-in-sea type superfine polyamide fiber as base fabric；
(2) base fabric pre-treatment: the base fabric that step (1) is chosen is carried out fibrillation, pre-setting, plucking, cropping pre-treatment, the temperature of described fibrillation is set as 100 DEG C, and described pre-setting temperature controls at 150 DEG C；
(3) spray treatment: by the base fabric through pre-treatment by being coated with the leftover of bolt of cloth, one layer of viscosity of coating is the bed material of 6000cps thereon, and bed material is 100:70:5:3:4=polyurethane by weight ratio: dimethylformamide: UV absorbers: cross-linking agent: accelerator；Obtain the semi-finished product with surface layer；
(4) dyeing pre-treatment: by above-mentioned semi-finished product through drying and processing, drying and processing temperature controls at 145 DEG C, and the drying and processing time is 5min；
(5) dyeing: the semi-finished product through dyeing pre-treatment are carried out dyeing process, adopt microcapsule disperse, the initial temperature of microcapsule disperse is room temperature, then with the ramp of 1.5 DEG C/min to 128 DEG C, constant temperature 0.5h, is then down to room temperature at the same rate, is being warming up to 130 DEG C at the same rate, constant temperature 20min, draining；The preparation process of described microcapsule disperse is, is mixed with dimethyl diallyl ammonium chloride-acrylamide copolymer by disperse dyes, adds water, emulsifying, regulates pH=4, and emulsion good for emulsifying is moved into three-necked bottle, being placed in constant temperature water bath, dropping melamine resin polymer Q3, is warming up to 50 DEG C after dropwising while stirring, insulation 10min, it is down to room temperature afterwards, then drips melamine resin polymer Q6 while stirring, after dropwising, it is warming up to 60 DEG C, is incubated 1～3h；Cooling, regulates pH=8 with ammonia, precipitation, filters, dry, namely prepares microcapsule disperse；
(6) reduction cleaning: reduction cleaning liquid is mass concentration is the NaOH of 70%；
(7) laser boring sizing: the half-finished surface layer through reduction cleaning is carried out laser boring process, it is thus achieved that there is the micro suede artificial leather of engraved structure.
Embodiment two
The preparation method of a kind of micro suede artificial leather, comprises the following steps that:
(1) selection: choose fabric of island-in-sea type superfine polyamide fiber as base fabric；
(2) base fabric pre-treatment: the base fabric that step (1) is chosen is carried out fibrillation, pre-setting, plucking, cropping pre-treatment, the temperature of described fibrillation is set as 102 DEG C, and described pre-setting temperature controls at 155 DEG C；
(3) spray treatment: by the base fabric through pre-treatment by being coated with the leftover of bolt of cloth, one layer of viscosity of coating is the bed material of 60500cps thereon, and bed material is 100:72:7:3:5=polyurethane by weight ratio: dimethylformamide: UV absorbers: cross-linking agent: accelerator；Obtain the semi-finished product with surface layer；
(4) dyeing pre-treatment: by above-mentioned semi-finished product through drying and processing, drying and processing temperature controls at 150 DEG C, and the drying and processing time is 6min；
(5) dyeing: the semi-finished product through dyeing pre-treatment are carried out dyeing process, adopt microcapsule disperse, the initial temperature of microcapsule disperse is room temperature, then with the ramp of 2 DEG C/min to 130 DEG C, constant temperature 0.7h, is then down to room temperature at the same rate, is being warming up to 130 DEG C at the same rate, constant temperature 20min, draining；The preparation process of described microcapsule disperse is, is mixed with dimethyl diallyl ammonium chloride-acrylamide copolymer by disperse dyes, adds water, emulsifying, regulates pH=5, and emulsion good for emulsifying is moved into three-necked bottle, being placed in constant temperature water bath, dropping melamine resin polymer Q3, is warming up to 60 DEG C after dropwising while stirring, insulation 10min, it is down to room temperature afterwards, then drips melamine resin polymer Q6 while stirring, after dropwising, it is warming up to 70 DEG C, is incubated 2h；Cooling, regulates pH=8.5 with ammonia, precipitation, filters, dry, namely prepares microcapsule disperse；
(6) reduction cleaning: reduction cleaning liquid is mass concentration is the NaOH of 75%；
(7) laser boring sizing: the half-finished surface layer through reduction cleaning is carried out laser boring process, it is thus achieved that there is the micro suede artificial leather of engraved structure.
Embodiment three
The preparation method of a kind of micro suede artificial leather, comprises the following steps that:
(1) selection: choose fabric of island-in-sea type superfine polyamide fiber as base fabric；
(2) base fabric pre-treatment: the base fabric that step (1) is chosen is carried out fibrillation, pre-setting, plucking, cropping pre-treatment, the temperature of described fibrillation is set as 105 DEG C, and described pre-setting temperature controls at 158 DEG C；
(3) spray treatment: by the base fabric through pre-treatment by being coated with the leftover of bolt of cloth, one layer of viscosity of coating is the bed material of 6000～7000cps thereon, and bed material is 100:75:10:2:6=polyurethane by weight ratio: dimethylformamide: UV absorbers: cross-linking agent: accelerator；Obtain the semi-finished product with surface layer；
(4) dyeing pre-treatment: by above-mentioned semi-finished product through drying and processing, drying and processing temperature controls at 145～155 DEG C, and the drying and processing time is 7min；
(5) dyeing: the semi-finished product through dyeing pre-treatment are carried out dyeing process, adopt microcapsule disperse, the initial temperature of microcapsule disperse is room temperature, then with the ramp of 2 DEG C/min to 132 DEG C, constant temperature 1.0h, is then down to room temperature at the same rate, is being warming up to 130 DEG C at the same rate, constant temperature 20min, draining；The preparation process of described microcapsule disperse is, is mixed with dimethyl diallyl ammonium chloride-acrylamide copolymer by disperse dyes, adds water, emulsifying, regulates pH=6, and emulsion good for emulsifying is moved into three-necked bottle, being placed in constant temperature water bath, dropping melamine resin polymer Q3, is warming up to 70 DEG C after dropwising while stirring, insulation 10min, it is down to room temperature afterwards, then drips melamine resin polymer Q6 while stirring, after dropwising, it is warming up to 80 DEG C, is incubated 3h；Cooling, regulates pH=9 with ammonia, precipitation, filters, dry, namely prepares microcapsule disperse；
(6) reduction cleaning: reduction cleaning liquid is mass concentration is the NaOH of 80%；
(7) laser boring sizing: the half-finished surface layer through reduction cleaning is carried out laser boring process, it is thus achieved that there is the micro suede artificial leather of engraved structure.
The micro suede artificial leather of the present invention, a, have selected fabric of island-in-sea type superfine polyamide fiber in selection as base fabric, superfine polyamide fiber can keep higher dyefastness and good fine hair outward appearance, and is fabric of island-in-sea type, base fabric prepared by sea-island composite fiber is comparatively soft, and napping is effective；B, base fabric pre-treatment include fibrillation, pre-setting, plucking, cropping pre-treatment, the temperature of described fibrillation is set as 100～105 DEG C, described pre-setting temperature controls at 150～158 DEG C, the performance of base fabric is had a significant impact by the control of temperature parameter, and fibrillation temperature is too low, fibrillation poor effect, temperature is too high, then can destroy the intensity of fiber, and its temperature is set in 100～105 by the application, it is possible to obtain performance is fiber preferably；C, by through pre-treatment base fabric by be coated with the leftover of bolt of cloth, one layer of viscosity of coating is the bed material of 6000～7000cps thereon, bed material is 100:66～75:5～10:2～3:4～6=polyurethane by weight ratio: dimethylformamide: UV absorbers: cross-linking agent: accelerator, the semi-finished product with surface layer structure can be obtained through this step process, and utilize above formula to be coated processing, adhesive need not be used, surface layer gets final product combining of fastness with base cloth layer, save the use of adhesive, save Financial cost；D, by semi-finished product through drying and processing, drying and processing temperature controls at 145～155 DEG C, and the drying and processing time is 5～7min so that being combined on base cloth layer of surface layer fastness；E, by through dyeing pre-treatment semi-finished product carry out dyeing process, adopt microcapsule disperse, the initial temperature of microcapsule disperse is room temperature, then with the ramp of 1.5～2 DEG C/min to 128～132 DEG C, constant temperature 0.5～1.0h, is then down to room temperature at the same rate, is being warming up to 130 DEG C at the same rate, constant temperature 20min, draining；By controlling heating rate in dyeing course, and employing microcapsule disperse, make the micro suede artificial leather even dyeing of preparation, paint bright-coloured, microcapsule disperse is wrapped in inside microcapsule when dyeing due to dyestuff, therefore dyestuff contaminates fiber in capsule and requires over the hole of outer wall and infiltrate, such dyestuff does not directly contact with fabric, dye liquor between dyestuff and fabric can by concentration difference constant for maintenance in long-time, dyestuff can be slowly lasting upper dye fiber, and dyestuff is more regular in the arrangement of fibrous inside molecule, do not have the phenomenon of migration property difference, too many loose colour will not be produced at fiber surface, the efficiency that microcapsule disperse is absorbed by fabric is higher than common dye, staining efficiency is high.F, laser boring sizing: the half-finished surface layer through reduction cleaning is carried out laser boring process, it is thus achieved that the good micro suede artificial leather of air permeable effect.
Described in above, being only the embodiment utilizing this origination techniques content, any those skilled in the art use modification, the change that this creation does, and all belong to the scope of the claims that this creation is advocated, and are not limited to those disclosed embodiments.
Claims (2)
1. the preparation method of a micro suede artificial leather, it is characterised in that comprise the following steps that:
(1) selection: choose fabric of island-in-sea type superfine polyamide fiber as base fabric；
(2) base fabric pre-treatment: the base fabric that step (1) is chosen is carried out fibrillation, pre-setting, plucking, cropping pre-treatment, the temperature of described fibrillation is set as 100～105 DEG C, and described pre-setting temperature controls at 150～158 DEG C；
(3) spray treatment: by the base fabric through pre-treatment by being coated with the leftover of bolt of cloth, one layer of viscosity of coating is the bed material of 6000～7000cps thereon, and bed material is 100:66～75:5～10:2～3:4～6=polyurethane by weight ratio: dimethylformamide: UV absorbers: cross-linking agent: accelerator；Obtain the semi-finished product with surface layer；
(4) dyeing pre-treatment: by above-mentioned semi-finished product through drying and processing, drying and processing temperature controls at 145～155 DEG C, and the drying and processing time is 5～7min；
(5) dyeing: the semi-finished product through dyeing pre-treatment are carried out dyeing process, adopt microcapsule disperse, the initial temperature of microcapsule disperse is room temperature, then with the ramp of 1.5～2 DEG C/min to 128～132 DEG C, constant temperature 0.5～1.0h, is then down to room temperature at the same rate, is being warming up to 130 DEG C at the same rate, constant temperature 20min, draining；
(6) reduction cleaning: reduction cleaning liquid is mass concentration is the NaOH of 70～80%；
(7) laser boring sizing: the half-finished surface layer through reduction cleaning is carried out laser boring process, it is thus achieved that there is the micro suede artificial leather of engraved structure.
2. the preparation method of micro suede artificial leather according to claim 1, it is characterized in that: the preparation process of described microcapsule disperse is, disperse dyes are mixed with dimethyl diallyl ammonium chloride-acrylamide copolymer, add water, emulsifying, regulate pH=4～6, emulsion good for emulsifying is moved into three-necked bottle, it is placed in constant temperature water bath, dropping melamine resin polymer Q3 while stirring, 50～70 DEG C it are warming up to after dropwising, insulation 10min, it is down to room temperature afterwards, drip melamine resin polymer Q6 more while stirring, after dropwising, it is warming up to 60～80 DEG C, insulation 1～3h；Cooling, regulates pH=8～9 with ammonia, precipitation, filters, dry, namely prepares microcapsule disperse.
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