CN114657795A - High-temperature-resistant artificial leather and preparation method thereof - Google Patents

High-temperature-resistant artificial leather and preparation method thereof Download PDF

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Publication number
CN114657795A
CN114657795A CN202210330463.9A CN202210330463A CN114657795A CN 114657795 A CN114657795 A CN 114657795A CN 202210330463 A CN202210330463 A CN 202210330463A CN 114657795 A CN114657795 A CN 114657795A
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Prior art keywords
artificial leather
temperature
parts
layer
resistant artificial
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Chinese (zh)
Inventor
宗政宇
蒋泽
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Wuxi Manyouli New Composite Materials Co ltd
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Wuxi Manyouli New Composite Materials Co ltd
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Priority to CN202210330463.9A priority Critical patent/CN114657795A/en
Publication of CN114657795A publication Critical patent/CN114657795A/en
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    • 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
    • D06N3/147—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 characterised by the isocyanates used
    • D06N3/148—(cyclo)aliphatic polyisocyanates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • 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
    • D06N3/0088—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 directly applying the resin
    • 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
    • D06N3/146—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 characterised by the macromolecular diols used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • 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
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/04—Vegetal fibres
    • D06N2201/042—Cellulose fibres, e.g. cotton
    • D06N2201/045—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • 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
    • D06N2209/06—Properties of the materials having thermal properties
    • D06N2209/067—Flame resistant, fire resistant
    • 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

Abstract

The invention discloses high-temperature-resistant artificial leather and a preparation method thereof, belonging to the field of artificial leather manufacturing, wherein the artificial leather sequentially comprises a base cloth layer, a resin layer and a heat insulation layer from bottom to top; the base cloth layer is made of bamboo fiber cloth, the heat insulation layer is a heat insulation fiber layer made of glass fiber, the resin layer is made of modified polyurethane resin and has good chemical stability and high temperature resistance, the heat insulation fiber layer improves the high temperature resistance and flame retardance of the artificial leather, and the artificial leather is not easy to age at high temperature.

Description

High-temperature-resistant artificial leather and preparation method thereof
Technical Field
The invention belongs to the field of artificial leather manufacturing, and particularly relates to high-temperature-resistant artificial leather and a preparation method thereof.
Background
Because the artificial leather has the hand feeling close to real leather and the cost lower than the real leather, the artificial leather has no defects of natural leather, is easier to produce mechanically and efficiently, and gradually replaces the natural leather to enter the market. In particular to waterborne polyurethane artificial leather, because no organic solvent is used in the production process, the waterborne polyurethane artificial leather has great advantages in both environmental protection and safety protection of operators, and has a great development prospect. However, the aqueous polyurethane is a linear polymer, and the temperature resistance of the polyurethane is generally not high due to the linear structure of the aqueous polyurethane. At present, domestic polyurethane resin for artificial leather starts to be sticky at 70-80 ℃, so that the difficulty of production operation is increased in the production process, and the phenomena of coating deformation, dust adhesion and the like can occur in the use process of finished products, thereby influencing the service life of the artificial leather.
Disclosure of Invention
The invention provides high-temperature-resistant artificial leather and a preparation method thereof.
In order to realize the purpose, the invention adopts the following technical scheme:
a high-temperature resistant artificial leather comprises a base cloth layer, a resin layer and a heat insulation layer from bottom to top in sequence; the base cloth layer is made of bamboo fiber cloth, and the heat insulation layer is a heat insulation fiber layer made of glass fiber; the raw materials of the resin layer comprise polyester polyol, isocyanate prepolymer, ethylene glycol, vegetable oil, internal crosslinking polyacrylate resin, a catalyst and a dispersing agent; the polyester polyol is polyethylene glycol adipate glycol with the number average molecular weight of 2000-3000 g/mol or polybutylene glycol adipate glycol with the number average molecular weight of 2000-3000 g/mol; the isocyanate prepolymer is dicyclohexylmethane diisocyanate, the vegetable oil is castor oil, and the catalyst is stannous octoate.
A preparation method of high-temperature-resistant artificial leather comprises the following steps:
step 1: mixing 10-30 parts by weight of castor oil and 50-80 parts by weight of polyester polyol, uniformly stirring and dehydrating under vacuum or inert atmosphere, adding 100-150 parts by weight of isocyanate prepolymer at 50-65 ℃, uniformly mixing, adding a catalyst, heating to 80-100 ℃, and stirring for reaction for 4-5 hours; cooling to 60 ℃, adding 10-20 parts of ethylene glycol and 15-30 parts of internal crosslinking polyacrylate resin, stirring for 20-30 minutes, and continuously reacting for 2-3 hours at 40-50 ℃ to obtain polyurethane emulsion;
step 2: adding 8-10 parts of filler, 1-2 parts of dispersant and 1-2 parts of antioxidant into the obtained polyurethane emulsion, and uniformly stirring and mixing to obtain resin layer slurry
And step 3: and (3) rolling the obtained resin layer slurry on the surface of the base fabric twice, laying a heat insulation fiber layer on the surface of the resin layer, and drying to obtain the high-temperature-resistant artificial leather.
Has the advantages that: the invention provides high-temperature-resistant artificial leather and a preparation method thereof, wherein the artificial leather sequentially comprises a base cloth layer, a resin layer and a heat insulation layer from bottom to top; the base cloth layer is bamboo fiber cloth, the thermal-insulated fibrous layer that the insulating layer was made for glass fiber, the resin layer adopt modified polyurethane resin, have better chemical stability and high temperature resistance ability, thermal-insulated fibrous layer has improved the high temperature resistant flame retardant property of synthetic leather for the synthetic leather is difficult to age under high temperature, and continuous service temperature can reach 150 ℃. The artificial leather has the advantages of high temperature resistance, convenience in cleaning and the like, and is long in service life.
Detailed Description
The invention is described in detail below with reference to specific examples:
example 1
A preparation method of high-temperature-resistant artificial leather comprises the following steps:
step 1: mixing 10 parts by weight of castor oil and 50 parts by weight of polyethylene glycol adipate glycol with the number average molecular weight of 2000g/mol, uniformly stirring and dehydrating under vacuum, adding 100 parts by weight of dicyclohexylmethane diisocyanate at 50 ℃, uniformly mixing, adding 0.5 part by weight of stannous octoate, heating to 80 ℃, and stirring for reacting for 4 hours; cooling to 60 ℃, adding 10 parts of ethylene glycol and 15 parts of internal crosslinking polyacrylate resin, stirring for 30 minutes, and continuously reacting for 2 hours at 40 ℃ to obtain polyurethane emulsion;
step 2: adding 8 parts of filler, 1 part of dispersant and 1 part of antioxidant into the obtained polyurethane emulsion, and uniformly stirring and mixing to obtain resin layer slurry
And step 3: and (3) rolling the obtained resin layer slurry on the surface of the base fabric twice, laying a heat insulation fiber layer on the surface of the resin layer, and drying to obtain the high-temperature-resistant artificial leather.
Example 2
A preparation method of high-temperature-resistant artificial leather comprises the following steps:
step 1: 30 parts of castor oil and 80 parts of polybutylene adipate glycol of 3000g/mol are mixed, uniformly stirred in vacuum and dehydrated, 150 parts of isocyanate prepolymer is added at 65 ℃ to be uniformly mixed, and then 1 part of stannous octoate is added, heated to 100 ℃ and stirred for reaction for 5 hours; cooling to 60 ℃, adding 15 parts of ethylene glycol and 20 parts of internal crosslinking polyacrylate resin, stirring for 30 minutes, and continuously reacting for 3 hours at 50 ℃ to obtain polyurethane emulsion;
step 2: taking the obtained polyurethane emulsion, adding 10 parts of filler, 2 parts of dispersant and 2 parts of antioxidant, stirring and mixing uniformly to obtain resin layer slurry
And step 3: and (3) rolling the obtained resin layer slurry on the surface of the base fabric twice, laying a heat insulation fiber layer on the surface of the resin layer, and drying to obtain the high-temperature-resistant artificial leather.
The service temperature of the obtained artificial leather is increased to 150 ℃, which is far higher than that of the polyurethane artificial leather in the prior art, so that the high-temperature aging of the artificial leather is delayed, and the service life of the artificial leather is prolonged.
Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (9)

1. The high-temperature-resistant artificial leather is characterized by sequentially comprising a base cloth layer, a resin layer and a heat-insulating fiber layer from bottom to top.
2. The high-temperature resistant artificial leather according to claim 1, wherein the base fabric layer is a bamboo fiber fabric.
3. The high-temperature resistant artificial leather according to claim 1, wherein the heat-insulating fiber layer is made of glass fiber.
4. The artificial leather with high temperature resistance according to claim 1, wherein the raw materials of the resin layer comprise polyester polyol, isocyanate prepolymer, ethylene glycol, vegetable oil, internal crosslinking polyacrylate resin, catalyst and dispersing agent.
5. The high-temperature-resistant artificial leather according to claim 4, wherein the polyester polyol is polyethylene adipate glycol with a number average molecular weight of 2000-3000 g/mol or polybutylene adipate glycol with a number average molecular weight of 2000-3000 g/mol.
6. The high-temperature-resistant artificial leather according to claim 4, wherein the isocyanate prepolymer is dicyclohexylmethane diisocyanate.
7. The high-temperature resistant artificial leather according to claim 4, wherein the vegetable oil is castor oil.
8. The high-temperature resistant artificial leather according to claim 4, wherein the catalyst is stannous octoate.
9. The preparation method of the high-temperature-resistant artificial leather is characterized by comprising the following steps of:
step 1: mixing 10-30 parts by weight of castor oil and 50-80 parts by weight of polyester polyol, uniformly stirring and dehydrating under vacuum or inert atmosphere, adding 100-150 parts by weight of isocyanate prepolymer at 50-65 ℃, uniformly mixing, adding a catalyst, heating to 80-100 ℃, and stirring for reaction for 4-5 hours; cooling to 60 ℃, adding 10-20 parts of ethylene glycol and 15-30 parts of internal crosslinking polyacrylate resin, stirring for 20-30 minutes, and continuously reacting for 2-3 hours at 40-50 ℃ to obtain polyurethane emulsion;
step 2: adding 8-10 parts of filler, 1-2 parts of dispersant and 1-2 parts of antioxidant into the obtained polyurethane emulsion, and uniformly stirring and mixing to obtain resin layer slurry
And step 3: and (3) rolling the obtained resin layer slurry on the surface of the base fabric twice, laying a heat insulation fiber layer on the surface of the resin layer, and drying to obtain the high-temperature-resistant artificial leather.
CN202210330463.9A 2022-03-31 2022-03-31 High-temperature-resistant artificial leather and preparation method thereof Pending CN114657795A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1306814A (en) * 1969-02-21 1973-02-14 Bayer Ag Process for the production of porous sheets
CN103889707A (en) * 2011-10-31 2014-06-25 南部工业联合股份公司 Article made of a multilayer composite material and preparation method thereof
CN109371699A (en) * 2018-09-12 2019-02-22 福建隆上超纤有限公司 A kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather
CN110607099A (en) * 2019-09-19 2019-12-24 清远市美佳乐环保新材股份有限公司 Soft high-temperature-resistant non-sticky artificial leather surface treatment agent and preparation method thereof
CN111716839A (en) * 2020-06-30 2020-09-29 清远市齐力合成革有限公司 Environment-friendly viscose-cloth-like polyurethane synthetic leather and preparation method thereof
CN215360358U (en) * 2021-06-25 2021-12-31 温州宏丰革基布有限公司 Antibacterial high-temperature-resistant artificial leather

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1306814A (en) * 1969-02-21 1973-02-14 Bayer Ag Process for the production of porous sheets
CN103889707A (en) * 2011-10-31 2014-06-25 南部工业联合股份公司 Article made of a multilayer composite material and preparation method thereof
CN109371699A (en) * 2018-09-12 2019-02-22 福建隆上超纤有限公司 A kind of preparation method of high-temperature resistant waterborne polyurethane artificial leather
CN110607099A (en) * 2019-09-19 2019-12-24 清远市美佳乐环保新材股份有限公司 Soft high-temperature-resistant non-sticky artificial leather surface treatment agent and preparation method thereof
CN111716839A (en) * 2020-06-30 2020-09-29 清远市齐力合成革有限公司 Environment-friendly viscose-cloth-like polyurethane synthetic leather and preparation method thereof
CN215360358U (en) * 2021-06-25 2021-12-31 温州宏丰革基布有限公司 Antibacterial high-temperature-resistant artificial leather

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