CN112900111A - Preparation method of water-based environment-friendly crease-free microfiber leather - Google Patents
Preparation method of water-based environment-friendly crease-free microfiber leather Download PDFInfo
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- CN112900111A CN112900111A CN202110067965.2A CN202110067965A CN112900111A CN 112900111 A CN112900111 A CN 112900111A CN 202110067965 A CN202110067965 A CN 202110067965A CN 112900111 A CN112900111 A CN 112900111A
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- 229920001410 Microfiber Polymers 0.000 title claims abstract description 51
- 239000003658 microfiber Substances 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000010985 leather Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000010410 layer Substances 0.000 claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 34
- 229920005989 resin Polymers 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000002344 surface layer Substances 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000004088 foaming agent Substances 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 8
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002518 antifoaming agent Substances 0.000 claims description 10
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 8
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 8
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 8
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 claims description 8
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 8
- 229940047670 sodium acrylate Drugs 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 6
- 235000013539 calcium stearate Nutrition 0.000 claims description 6
- 239000008116 calcium stearate Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000010023 transfer printing Methods 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000004088 simulation 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
- D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
- D06N3/183—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials the layers are one next to the other
-
- 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
- D06N3/0056—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
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic 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
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- 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
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
-
- 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
- D06N3/04—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 by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
-
- 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
-
- 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
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1692—Weather resistance
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
A preparation method of water-based environment-friendly crease-free microfiber leather comprises the following steps: coating a layer of fabric on the surface of release paper, and drying to form a surface layer; continuously coating a layer of environment-friendly intermediate material on the surface layer, and drying to form an intermediate layer; step three, continuously coating an environment-friendly water-based resin layer on the environment-friendly material, then combining the microfiber bass with the water-based environment-friendly resin layer, and drying to separate the release paper; step four, curing the microfiber bass obtained in the step three; the environment-friendly intermediate material comprises the following raw materials in parts by weight: 100 parts of solvent-free environment-friendly resin CX-2010A, 12-16 parts of cross-linking agent CX-B01, 0.05-0.07 part of foaming agent CX-B02 and 0.08-0.12 part of flatting agent 9565, and the environment-friendly intermediate material is uniformly coated on the surface layer by limiting the specific composition of the environment-friendly intermediate material, and meanwhile, the thickness of the environment-friendly intermediate material is ensured not to be changed after the environment-friendly intermediate material is dried, so that the surface layer is ensured not to generate creases after transfer printing, and the attractiveness of the finally prepared microfiber leather is ensured.
Description
Technical Field
The invention belongs to the field of preparation of microfiber leather, and particularly relates to a preparation method of water-based environment-friendly crease-free microfiber leather.
Background
The microfiber leather is a novel high-grade artificial leather made of superfine fibers, can be used in various fields such as shoes, bags, furniture and the like, and has a vivid leather simulation effect. With the improvement and progress of leather production technology, the requirements of people on quality are high, especially the development of imitation genuine leather in recent years, and the market demand of microfiber close to genuine leather is increasing rapidly.
The prior microfiber products are more, but the main structure of the microfiber is relatively single, the cross section structure of the whole microfiber is consistent, and the change is realized by means of dry veneering, post-treatment finishing and other methods, so that the color, pattern, luster and other changes of the microfiber surface are given to meet various market requirements; meanwhile, the defects such as crease marks and fine pattern products in service performance are not overcome well, and further improvement is needed
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a preparation method of water-based environment-friendly crease-free microfiber leather.
The invention adopts the following technical scheme:
a preparation method of water-based environment-friendly crease-free microfiber leather comprises the following steps:
coating a layer of fabric on the surface of release paper, and drying at the temperature of 100-120 ℃ to form a surface layer;
step two, continuously coating a layer of environment-friendly intermediate material on the surface layer, and drying at the temperature of 110-;
step three, continuously coating an environment-friendly water-based resin layer on the environment-friendly material, then combining the microfiber bass with the water-based environment-friendly resin layer, and drying and separating the release paper at 40-130 ℃ through an oven at the speed of 2-3 m/min;
step four, curing the microfiber bass obtained in the step three to obtain the environment-friendly crease-free microfiber leather;
the environment-friendly intermediate material comprises the following raw materials in parts by weight: 100 parts of solvent-free environment-friendly resin CX-2010A, 12-16 parts of cross-linking agent CX-B01, 0.05-0.07 part of foaming agent CX-B02 and 0.08-0.12 part of leveling agent 9565.
Furthermore, the oven comprises ten sections of box bodies which are connected in sequence, the temperature of the ten sections of box bodies is increased step by step, and the temperature difference between two adjacent box bodies is 10 ℃.
Further, the fabric is composed of the following raw materials in parts by weight: 100 parts of water-based resin, 3-5 parts of polybutyl acrylate, 5-8 parts of silicon micropowder, 3-6 parts of titanium dioxide, 6-8 parts of dioctyl phthalate, 2-5 parts of propylene glycol, 1-3 parts of sodium acrylate, 0.5-1 part of foaming agent, 1-2 parts of defoaming agent, 2-4 parts of polyoxyethylene ether and 1-3 parts of calcium stearate.
Further, the coating thickness of the environment-friendly intermediate material is 15 filaments.
Further, the thickness of the aqueous environment-friendly resin layer is 15 filaments.
Further, in the fourth step, the curing environment of the microfiber bass is as follows: the curing temperature is 90-110 ℃, and the curing time is 24-28 h.
Further, the defoaming agent is an aqueous defoaming agent.
As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: according to the method, a surface layer is formed on the surface of the microfiber bass by a release paper transfer method, the specific composition of the environment-friendly intermediate material is limited, the solvent-free environment-friendly resin is used as a main raw material, and other auxiliaries are matched, so that the environment-friendly intermediate material is uniformly coated on the surface layer, the thickness of the environment-friendly intermediate material is ensured not to be changed after the environment-friendly intermediate material is dried, the surface layer is ensured not to generate creases after transfer printing, and the attractiveness of the finally prepared microfiber leather is ensured;
by limiting the specific composition of the surface layer, the water-based resin is used as a raw material and is matched with other additives, so that the formed surface layer has the advantages of smooth appearance, good glossiness, good leveling property, no bubbles, no shrinkage cavity and good decorative effect, wherein the silicon micro powder and the dioxide are used as fillers and are matched with other raw materials, and can be matched with dioctyl phthalate while playing the role of the fillers, so that the adhesive force between the surface layer and the middle layer is improved; sodium acrylate and polyoxyethylene ether are used as dispersing agents to be matched with other raw materials, so that the raw materials are uniformly dispersed; the polybutyl acrylate is matched with other raw materials, so that the formed surface layer is soft, has good hand feeling, and can improve the weather resistance of the surface layer, thereby prolonging the service life of the microfiber leather.
Detailed Description
The invention is further described below by means of specific embodiments.
A preparation method of water-based environment-friendly crease-free microfiber leather comprises the following steps:
coating a layer of fabric on the surface of release paper, and drying at the temperature of 100-120 ℃ to form a surface layer;
step two, continuously coating a layer of environment-friendly intermediate material with the thickness of 15 threads on the surface layer, and drying at the temperature of 110-;
continuously coating an environment-friendly water-based resin layer with the thickness of 15 filaments on the environment-friendly material, combining the microfiber bass with the water-based environment-friendly resin layer, drying in an oven at the speed of 2-3m/min, and separating the release paper at the temperature of 40-130 ℃;
and step four, curing the microfiber bass obtained in the step three to obtain the environment-friendly crease-free microfiber leather, wherein the curing temperature is 90-110 ℃, and the curing time is 24-28 hours.
Specifically, the environment-friendly intermediate material comprises the following raw materials in parts by weight: 100 parts of solvent-free environment-friendly resin CX-2010A, 12-16 parts of cross-linking agent CX-B01, 0.05-0.07 part of foaming agent CX-B02 and 0.08-0.12 part of leveling agent 9565, wherein the solvent-free environment-friendly resin CX-2010A, the cross-linking agent CX-B01, the foaming agent CX-B02 and the leveling agent 9565 are all products produced by Zhejiang honest new material GmbH.
The oven includes ten sections of boxes that connect gradually, and the temperature of ten sections of boxes increases step by step, and the temperature difference of two adjacent boxes is 10 ℃.
The fabric is composed of the following raw materials in parts by weight: 100 parts of water-based resin, 3-5 parts of polybutyl acrylate, 5-8 parts of silica powder, 3-6 parts of titanium dioxide, 6-8 parts of dioctyl phthalate, 2-5 parts of propylene glycol, 1-3 parts of sodium acrylate, 0.5-1 part of foaming agent, 1-2 parts of water-based defoaming agent, 2-4 parts of polyoxyethylene ether and 1-3 parts of calcium stearate, wherein the water-based resin is used as a raw material, and other auxiliary agents are matched to ensure that the formed surface layer has smooth appearance, good glossiness, good leveling property, no bubbles, no shrinkage cavity and good decorative effect, wherein the silica powder and the dioxide are used as a filler to be matched with other raw materials, and can be matched with the dioctyl phthalate while playing the role of the filler to improve the adhesive force between the surface layer and the middle layer; sodium acrylate and polyoxyethylene ether are used as dispersing agents to be matched with other raw materials, so that the raw materials are uniformly dispersed; the polybutyl acrylate is matched with other raw materials, so that the formed surface layer is soft, has good hand feeling, and can improve the weather resistance of the surface layer, thereby prolonging the service life of the microfiber leather.
Example 1
A preparation method of water-based environment-friendly crease-free microfiber leather comprises the following steps:
coating a layer of fabric on the surface of release paper, and drying at the temperature of 100 ℃ to form a surface layer;
step two, continuously coating a layer of environment-friendly intermediate material with the thickness of 15 filaments on the surface layer, and drying at the temperature of 110 ℃ to form an intermediate layer;
continuously coating an environment-friendly water-based resin layer with the thickness of 15 filaments on the environment-friendly material, combining the microfiber bass with the water-based environment-friendly resin layer, drying in an oven at the speed of 2m/min at 40-130 ℃, and separating out release paper;
and step four, curing the microfiber bass obtained in the step three to obtain the environment-friendly crease-free microfiber leather, wherein the curing temperature is 90 ℃, and the curing time is 28 hours.
Specifically, the environment-friendly intermediate material comprises the following raw materials in parts by weight: 100 parts of solvent-free environment-friendly resin CX-2010A, 12 parts of cross-linking agent CX-B01, 0.07 part of foaming agent CX-B02 and 0.08 part of leveling agent 9565.
The oven includes ten sections of boxes that connect gradually, and the temperature of ten sections of boxes increases step by step, and the temperature difference of two adjacent boxes is 10 ℃.
The fabric is composed of the following raw materials in parts by weight: 100 parts of water-based resin, 3 parts of polybutyl acrylate, 8 parts of silicon micropowder, 3 parts of titanium dioxide, 8 parts of dioctyl phthalate, 2 parts of propylene glycol, 3 parts of sodium acrylate, 0.5 part of foaming agent, 2 parts of water-based defoaming agent, 2 parts of polyoxyethylene ether and 3 parts of calcium stearate.
Example 2
A preparation method of water-based environment-friendly crease-free microfiber leather comprises the following steps:
coating a layer of fabric on the surface of release paper, and drying at 120 ℃ to form a surface layer;
step two, continuously coating a layer of environment-friendly intermediate material with the thickness of 15 filaments on the surface layer, and drying at the temperature of 130 ℃ to form an intermediate layer;
continuously coating an environment-friendly water-based resin layer with the thickness of 15 filaments on the environment-friendly material, combining the microfiber bass with the water-based environment-friendly resin layer, drying in an oven at the speed of 3m/min at 40-130 ℃, and separating out release paper;
and step four, curing the microfiber bass obtained in the step three to obtain the environment-friendly crease-free microfiber leather, wherein the curing temperature is 110 ℃, and the curing time is 24 hours.
Specifically, the environment-friendly intermediate material comprises the following raw materials in parts by weight: 100 parts of solvent-free environment-friendly resin CX-2010A, 16 parts of crosslinking agent CX-B01, 0.05 part of foaming agent CX-B02 and 0.12 part of leveling agent 9565.
The oven includes ten sections of boxes that connect gradually, and the temperature of ten sections of boxes increases step by step, and the temperature difference of two adjacent boxes is 10 ℃.
The fabric is composed of the following raw materials in parts by weight: 100 parts of water-based resin, 5 parts of polybutyl acrylate, 5 parts of silicon micropowder, 6 parts of titanium dioxide, 6 parts of dioctyl phthalate, 5 parts of propylene glycol, 1 part of sodium acrylate, 1 part of foaming agent, 1 part of water-based defoaming agent, 4 parts of polyoxyethylene ether and 1 part of calcium stearate.
Example 3
A preparation method of water-based environment-friendly crease-free microfiber leather comprises the following steps:
coating a layer of fabric on the surface of release paper, and drying at the temperature of 110 ℃ to form a surface layer;
step two, continuously coating a layer of environment-friendly intermediate material with the thickness of 15 filaments on the surface layer, and drying at the temperature of 120 ℃ to form an intermediate layer;
continuously coating an environment-friendly water-based resin layer with the thickness of 15 filaments on the environment-friendly material, combining the microfiber bass with the water-based environment-friendly resin layer, drying in an oven at the speed of 2.5m/min, and separating the release paper at the temperature of 40-130 ℃;
and step four, curing the microfiber bass obtained in the step three to obtain the environment-friendly crease-free microfiber leather, wherein the curing temperature is 100 ℃, and the curing time is 26 hours.
Specifically, the environment-friendly intermediate material comprises the following raw materials in parts by weight: 100 parts of solvent-free environment-friendly resin CX-2010A, 14 parts of cross-linking agent CX-B01, 0.06 part of foaming agent CX-B02 and 0.1 part of leveling agent 9565.
The oven includes ten sections of boxes that connect gradually, and the temperature of ten sections of boxes increases step by step, and the temperature difference of two adjacent boxes is 10 ℃.
The fabric is composed of the following raw materials in parts by weight: 100 parts of water-based resin, 4 parts of polybutyl acrylate, 6 parts of silicon micropowder, 5 parts of titanium dioxide, 7 parts of dioctyl phthalate, 3 parts of propylene glycol, 2 parts of sodium acrylate, 0.8 part of foaming agent, 1.5 parts of water-based defoaming agent, 3 parts of polyoxyethylene ether and 2 parts of calcium stearate.
This application adopts from the type paper transfer method at super fine shellfish on the surface and forms the surface course, through the concrete constitution of expecting in the middle of injecing the environmental protection to solvent-free environmental protection resin is main material, cooperates other auxiliary agents, makes the even coating of expecting in the middle of the environmental protection at the surface course, guarantees simultaneously that the expecting is dried after in the middle of the environmental protection, and its thickness can not change, guarantees the rendition back, and the surface course can not produce the crease, guarantees the pleasing to the eye of the super fine leather of making at last.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (7)
1. A preparation method of water-based environment-friendly crease-free microfiber leather is characterized by comprising the following steps: the method comprises the following steps:
coating a layer of fabric on the surface of release paper, and drying at the temperature of 100-120 ℃ to form a surface layer;
step two, continuously coating a layer of environment-friendly intermediate material on the surface layer, and drying at the temperature of 110-;
step three, continuously coating an environment-friendly water-based resin layer on the environment-friendly material, then combining the microfiber bass with the water-based environment-friendly resin layer, and drying and separating the release paper at 40-130 ℃ through an oven at the speed of 2-3 m/min;
step four, curing the microfiber bass obtained in the step three to obtain the environment-friendly crease-free microfiber leather;
the environment-friendly intermediate material comprises the following raw materials in parts by weight: 100 parts of solvent-free environment-friendly resin CX-2010A, 12-16 parts of cross-linking agent CX-B01, 0.05-0.07 part of foaming agent CX-B02 and 0.08-0.12 part of leveling agent 9565.
2. The preparation method of the water-based environment-friendly crease-free microfiber leather according to claim 1, wherein the preparation method comprises the following steps: the oven comprises ten sections of box bodies which are connected in sequence, the temperature of the ten sections of box bodies is increased step by step, and the temperature difference between two adjacent box bodies is 10 ℃.
3. The preparation method of the water-based environment-friendly crease-free microfiber leather according to claim 1, wherein the preparation method comprises the following steps: the fabric is composed of the following raw materials in parts by weight: 100 parts of water-based resin, 3-5 parts of polybutyl acrylate, 5-8 parts of silicon micropowder, 3-6 parts of titanium dioxide, 6-8 parts of dioctyl phthalate, 2-5 parts of propylene glycol, 1-3 parts of sodium acrylate, 0.5-1 part of foaming agent, 1-2 parts of defoaming agent, 2-4 parts of polyoxyethylene ether and 1-3 parts of calcium stearate.
4. The preparation method of the water-based environment-friendly crease-free microfiber leather according to claim 1, wherein the preparation method comprises the following steps: the coating thickness of the environment-friendly intermediate material is 15 filaments.
5. The preparation method of the water-based environment-friendly crease-free microfiber leather according to claim 4, wherein the preparation method comprises the following steps: the thickness of the water-based environment-friendly resin layer is 15 filaments.
6. The preparation method of the water-based environment-friendly crease-free microfiber leather according to claim 1, wherein the preparation method comprises the following steps: in the fourth step, the curing environment of the microfiber bass is as follows: the curing temperature is 90-110 ℃, and the curing time is 24-28 h.
7. The preparation method of the water-based environment-friendly crease-free microfiber leather according to claim 1, wherein the preparation method comprises the following steps: the defoaming agent is an aqueous defoaming agent.
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