CN116065408B - Crease-free synthetic leather and preparation method thereof - Google Patents
Crease-free synthetic leather and preparation method thereof Download PDFInfo
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- CN116065408B CN116065408B CN202310138400.8A CN202310138400A CN116065408B CN 116065408 B CN116065408 B CN 116065408B CN 202310138400 A CN202310138400 A CN 202310138400A CN 116065408 B CN116065408 B CN 116065408B
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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
- D06N3/18—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
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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
- D06N3/0056—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
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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
- D06N3/0056—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
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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
- D06N3/007—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
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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
- D06N3/0086—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
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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
- D06N3/0086—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
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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
- D06N3/142—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 mixture of polyurethanes with other resins in the same layer
- D06N3/143—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 mixture of polyurethanes with other resins in the same layer with polyurethanes and other polycondensation or polyaddition products, e.g. aminoplast
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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
- D06N3/142—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 mixture of polyurethanes with other resins in the same layer
- D06N3/144—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 mixture of polyurethanes with other resins in the same layer with polyurethane and polymerisation products, e.g. acrylics, PVC
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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
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
本发明提供了一种无折痕合成革及其制备方法，所述无折痕合成革包括基布和涂覆在基布上的发泡浆料构成的湿法贝斯，湿法贝斯的表面经有机硅处理剂处理后形成手感层；所述基布为丝光绒；按质量份，制备所述发泡浆料的原料包括48～52份低模量超柔软聚氨酯树脂、5～8份软质聚氯乙烯，60～64份N，N‑二甲基甲酰胺、45～48N‑甲基毗咯烷酮、0.8～1.2份水性色浆、0.5～0.8份抗氧剂、28～32份填充物；所述填充物由有机蒙脱土粉末、酒石酸钾粉末、硅化镁粉末组成。本发明在保障合成革具有良好的抗折性能同时，还确保其具有良好的手感和保暖性。The present invention provides a kind of crease-free synthetic leather and preparation method thereof, the crease-free synthetic leather comprises a base fabric and a wet base fabric composed of a foaming slurry coated on the base fabric, the surface of the wet base fabric is treated with an organosilicon treatment agent to form a hand-feel layer; the base fabric is a mercerized velvet; by mass, the raw materials for preparing the foaming slurry include 48 to 52 parts of low modulus super soft polyurethane resin, 5 to 8 parts of soft polyvinyl chloride, 60 to 64 parts of N, N-dimethylformamide, 45 to 48N-methylpyrrolidone, 0.8 to 1.2 parts of water-based color paste, 0.5 to 0.8 parts of antioxidant, 28 to 32 parts of filler; the filler is composed of organic montmorillonite powder, potassium tartrate powder, and magnesium silicide powder. The present invention ensures that the synthetic leather has good anti-folding performance while also ensuring that it has good hand feel and warmth retention.
Description
Technical Field
The invention belongs to the technical field of polyurethane synthetic leather manufacturing, and particularly relates to crease-free synthetic leather and a preparation method thereof.
Background
The invention patent with the authority of bulletin number CN 104674564B provides a production method of crease-free synthetic leather, comprising the following steps of S1, preparing a first material component, wherein the first material component comprises 80-100 parts by weight of polyamide resin, 1-10 parts by weight of organic montmorillonite and 0.2-0.8 part by weight of antioxidant; S2, blending and granulating the first material component to form modified polyamide resin; S3, preparing a second material component, wherein the second material component comprises polyamide resin and modified polyamide resin formed in the step S2, and the modified polyamide resin is 100 parts by weight, and the polyamide resin is 25-35 parts by weight; S4, processing and forming a second material component into a base fabric, S5, preparing the base fabric formed in the step S4, dipping the base fabric into polyvinyl alcohol, S6, preparing a third material component, S10, bonding a pattern layer on the base fabric processed in the step S9 through an adhesive layer, evaporating a first solution to obtain a solute, taking out the dipped base fabric in the step S5, dipping the base fabric into a solution containing the third material component, S8, taking out the base fabric dipped in the step S7, washing the base fabric with water, S9, drying and shaping the base fabric dipped in the step S8, S10, attaching the pattern layer to the base fabric processed in the step S9 through the adhesive layer, evaporating the first solution to obtain a solute, evaporating the first solution to obtain a pattern layer containing polyether, and having a solid content of 40% of 25-75% of polyester, and a thermoplastic polymer, wherein the adhesive layer is formed by evaporating the first solution, and the pattern layer is formed by evaporating the second solution, and the solid content of the polyester is 45-75%, the second solution is polyurethane solution with solid content more than 65%.
Generally speaking, the patent number CN 104674564B adopts organic montmorillonite modified polyamide resin, so that the polyamide has higher modulus, higher impact resistance and tensile elongation, thereby solving the problem that the traditional synthetic leather is easy to produce crease after being bent for many times. However, the synthetic leather prepared by the method disclosed in the patent specification has certain defects, mainly including insufficient soft hand feeling and unsatisfactory warmth retention.
Disclosure of Invention
The invention aims to ensure that the synthetic leather has good folding resistance and simultaneously can effectively overcome the technical defects of softness in hand feeling and unsatisfactory warmth retention in the prior art, and the invention is realized by the following technical scheme:
The crease-free synthetic leather comprises a base fabric and a wet-process base fabric formed by foaming slurry coated on the base fabric, wherein the surface of the wet-process base fabric is treated by an organosilicon treating agent to form a hand feeling layer, the base fabric is mercerized velvet, raw materials for preparing the foaming slurry comprise, by mass, 48-52 parts of low-modulus super-soft polyurethane resin, 5-8 parts of soft polyvinyl chloride, 60-64 parts of N, N-dimethylformamide, 45-48N-methyl pyrrolidone, 0.8-1.2 parts of aqueous color paste, 0.5-0.8 part of an antioxidant and 28-32 parts of a filler, and the filler consists of organic montmorillonite powder, potassium tartrate powder and magnesium silicide powder.
On the basis of the technical scheme, the invention can be additionally provided with the following technical means:
The thickness of the base cloth is 0.7mm.
In the filler, the mass ratio of the organic montmorillonite powder to the potassium tartrate powder to the magnesium silicide powder is 3:2:1.
The invention also provides a preparation method of the crease-free synthetic leather, which comprises the following steps:
step 1, selecting and cleaning base cloth, namely selecting mercerized velvet as the base cloth, adding clear water into a water tank, and cleaning the base cloth at normal temperature by entering the base cloth into the water tank through a cloth guide frame, wherein the linear speed is 19m/min;
Step 2, preparing foaming slurry, namely sequentially adding 60-64 parts of N, N-dimethylformamide, 45-48N-methyl pyrrolidone, 48-52 parts of low-modulus super-soft polyurethane resin, 5-8 parts of soft polyvinyl chloride, 0.8-1.2 parts of aqueous color paste, 0.5-0.8 part of antioxidant and 28-32 parts of filler into a reaction kettle under a stirring state, vacuumizing for 90min to enable the viscosity to reach 500-530 CPS/25 ℃, and then filtering by using a 60-80 mesh screen to prepare the foaming slurry;
Step 3, coating, namely ironing the base cloth after cleaning with clear water for one time by using a high-pressure ironing wheel, ironing part of water, adjusting the gap of a coating table, conveying the foaming slurry into a coating groove, coating the foaming slurry onto the surface of the base cloth through the gap, wherein the coating thickness is 0.18mm, and the linear speed is 8m/min;
step 4, preparing wet bass, namely condensing and fixing the coated base cloth in a 14-16% sugar degree coagulation tank, and then washing, ironing, drying and grinding the back surface to obtain the wet bass;
Step 5, preparing semi-finished veneering leather, namely coating a layer of 0.15mm colored soft polyurethane coating on the flat release paper, drying, coating a layer of low-modulus resin again, drying to be semi-dry at the temperature of 100-120 ℃, bonding with the back of a wet bass, drying after 12 rounds of ironing wheels, and stripping to obtain the semi-finished veneering leather;
Step 6, forming a pattern layer by using a pattern suction machine to treat the surface of the semi-finished veneer leather at the high temperature of 150-160 ℃ to form the pattern layer;
And 7, forming a hand feeling layer, namely coating a layer of organic silicon water-based skin feeling treating agent on the pattern layer through a mesh wheel of a roller coater, and drying at the temperature of 120-130 ℃ to form the hand feeling layer.
Further, the thickness of the selected base fabric was 0.7mm when step 1 was performed.
The invention has the main beneficial effects as follows:
The synthetic leather has the remarkable advantages of thick texture, soft hand feeling, soft luster, wear resistance, durability, good warmth retention, elasticity, strong bending resistance and difficult wrinkling by reasonably selecting various raw materials for preparing the synthetic leather, including reasonably selecting base cloth. In a word, the synthetic leather has good folding resistance and good hand feeling and warmth retention.
Detailed Description
In order to more fully describe the technical solution of the present invention, an embodiment of the present invention is described below.
The crease-free synthetic leather comprises a base fabric and a wet-process base fabric formed by foaming slurry coated on the base fabric, wherein the surface of the wet-process base fabric is treated by an organosilicon treating agent to form a hand feeling layer, the base fabric is mercerized velvet, raw materials for preparing the foaming slurry comprise, by mass, 48-52 parts of low-modulus super-soft polyurethane resin, 5-8 parts of soft polyvinyl chloride, 60-64 parts of N, N-dimethylformamide, 45-48N-methyl pyrrolidone, 0.8-1.2 parts of aqueous color paste, 0.5-0.8 part of an antioxidant and 28-32 parts of a filler, and the filler consists of organic montmorillonite powder, potassium tartrate powder and magnesium silicide powder. The main functions of the potassium tartrate powder and the magnesium silicide powder are to improve the folding resistance of the synthetic leather, and the main functions of the organic montmorillonite powder are to improve the hand feeling of the synthetic leather.
In this embodiment, the base fabric is mercerized velvet with a thickness of 0.7mm, and in the filler, the mass ratio of the organic montmorillonite powder, the potassium tartrate powder and the magnesium silicide powder is 3:2:1.
The preparation method of the crease-free synthetic leather comprises the following steps:
Step 1, selecting and cleaning base cloth, namely selecting mercerized velvet with the thickness of 0.7mm as the base cloth, adding clear water into a water tank, and cleaning the base cloth at normal temperature by a cloth guide frame, wherein the linear speed is 19m/min;
Step 2, preparing foaming slurry, namely sequentially adding 60-64 parts of N, N-dimethylformamide, 45-48N-methyl pyrrolidone, 48-52 parts of low-modulus super-soft polyurethane resin, 5-8 parts of soft polyvinyl chloride, 0.8-1.2 parts of aqueous color paste, 0.5-0.8 part of antioxidant and 28-32 parts of filler into a reaction kettle under a stirring state, vacuumizing for 90min to enable the viscosity to reach 500-530 CPS/25 ℃, and then filtering by using a 60-80 mesh screen to prepare the foaming slurry;
Step 3, coating, namely ironing the base cloth after cleaning with clear water for one time by using a high-pressure ironing wheel, ironing part of water, adjusting the gap of a coating table, conveying the foaming slurry into a coating groove, coating the foaming slurry onto the surface of the base cloth through the gap, wherein the coating thickness is 0.18mm, and the linear speed is 8m/min;
step 4, preparing wet bass, namely condensing and fixing the coated base cloth in a 14-16% sugar degree coagulation tank, and then washing, ironing, drying and grinding the back surface to obtain the wet bass;
Step 5, preparing semi-finished veneering leather, namely coating a layer of 0.15mm colored soft polyurethane coating on the flat release paper, drying, coating a layer of low-modulus resin again, drying to be semi-dry at the temperature of 100-120 ℃, bonding with the back of a wet bass, drying after 12 rounds of ironing wheels, and stripping to obtain the semi-finished veneering leather;
Step 6, forming a pattern layer by using a pattern suction machine to treat the surface of the semi-finished veneer leather at the high temperature of 150-160 ℃ to form the pattern layer;
And 7, forming a hand feeling layer, namely coating a layer of organic silicon water-based skin feeling treating agent on the pattern layer through a mesh wheel of a roller coater, and drying at the temperature of 120-130 ℃ to form the hand feeling layer.
Claims (2)
1. The crease-free synthetic leather is characterized in that the surface of the wet bass is treated by an organosilicon treating agent to form a handfeel layer, the base is mercerized velvet, raw materials for preparing the foaming slurry comprise 48-52 parts by mass of low-modulus super-soft polyurethane resin, 5-8 parts by mass of soft polyvinyl chloride, 60-64 parts by mass of N, N-dimethylformamide, 45-48 parts by mass of N-methylpyrrolidone, 0.8-1.2 parts by mass of aqueous color paste, 0.5-0.8 part by mass of antioxidant and 28-32 parts by mass of filler, the filler is composed of organic montmorillonite powder, potassium tartrate powder and magnesium silicide powder, the main functions of the potassium tartrate powder and the magnesium silicide powder are to improve the folding resistance of the synthetic leather, and the mass ratio of the organic montmorillonite powder, the potassium tartrate powder and the magnesium silicide powder in the filler is 3:2:1.
2. The crease-free synthetic leather of claim 1, wherein the thickness of the base fabric is 0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310138400.8A CN116065408B (en) | 2023-02-20 | 2023-02-20 | Crease-free synthetic leather and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310138400.8A CN116065408B (en) | 2023-02-20 | 2023-02-20 | Crease-free synthetic leather and preparation method thereof |
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| CN116065408A CN116065408A (en) | 2023-05-05 |
| CN116065408B true CN116065408B (en) | 2025-02-11 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| TW201925280A (en) * | 2017-11-01 | 2019-07-01 | 日商迪愛生股份有限公司 | Method for producing coagulated article |
| CN112342797A (en) * | 2020-11-27 | 2021-02-09 | 苏州瑞高新材料有限公司 | Waterborne polyurethane/TPU synthetic leather |
| CN218399456U (en) * | 2022-08-10 | 2023-01-31 | 清远市齐力合成革有限公司 | Automatic production line for polyurethane synthetic leather |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674564B (en) * | 2015-03-14 | 2016-08-24 | 安踏（中国）有限公司 | A kind of production method of synthetic leather without folding line |
| CN110629562A (en) * | 2019-11-01 | 2019-12-31 | 清远市齐力合成革有限公司 | Synthetic leather fabric for stage shoes and preparation method thereof |
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2023
- 2023-02-20 CN CN202310138400.8A patent/CN116065408B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201925280A (en) * | 2017-11-01 | 2019-07-01 | 日商迪愛生股份有限公司 | Method for producing coagulated article |
| 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 |
| CN112342797A (en) * | 2020-11-27 | 2021-02-09 | 苏州瑞高新材料有限公司 | Waterborne polyurethane/TPU synthetic leather |
| CN218399456U (en) * | 2022-08-10 | 2023-01-31 | 清远市齐力合成革有限公司 | Automatic production line for polyurethane synthetic leather |
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