CN110983805A - Corrosion-resistant and wear-resistant artificial leather and preparation method thereof - Google Patents
Corrosion-resistant and wear-resistant artificial leather and preparation method thereof Download PDFInfo
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- CN110983805A CN110983805A CN201911382104.2A CN201911382104A CN110983805A CN 110983805 A CN110983805 A CN 110983805A CN 201911382104 A CN201911382104 A CN 201911382104A CN 110983805 A CN110983805 A CN 110983805A
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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
- D06N3/007—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
- D06N3/0095—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
- D06N3/04—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
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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
- D06N3/128—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 silicon polymers
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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
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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
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
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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
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1664—Releasability
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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
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1685—Wear resistance
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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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses corrosion-resistant and wear-resistant artificial leather and a preparation method thereof, belonging to the technical field of artificial leather, wherein the corrosion-resistant and wear-resistant artificial leather comprises a surface layer, a coloring layer, a PVC bottom layer, a laminating layer and a base fabric which are sequentially stacked; the surface layer is prepared by coating solvent-resistant slurry; the solvent-resistant slurry comprises the following components in parts by weight: 100 parts of solvent-resistant resin PLT-3930, 0.5 part of polyether siloxane copolymer, 0.5 part of dimethyl silicone oil, 0.5 part of polyether modified polysiloxane and 0.8 part of isocyanate curing agent. The surface layer of the corrosion-resistant and wear-resistant artificial leather has strong solvent resistance and scratch resistance, the surface is not damaged after 100 times of acetone solvent test, the color does not fall after 1000 times of alcohol test, the expansion of the artificial leather in the application range of the solvent-resistant and wear-resistant color fastness is changed, the preparation method is simple to operate, and the tightly-laminated surface layer between different layers of the prepared artificial leather is compact.
Description
Technical Field
The invention belongs to the technical field of artificial leather, and particularly relates to corrosion-resistant and wear-resistant artificial leather and a preparation method thereof.
Background
The artificial leather product is inevitably polluted in the actual use process, some stains appear, and the artificial leather product can be wiped clean by wiping with white electric oil under the common condition. However, the white electric oil is only used for wiping some slight pollution such as sweat stains, watermarks, mildew stains and the like, some stubborn dirt such as stains caused by color pens, coffee, cola, chemicals and industrial dyeing materials which cannot be cleaned in time and are diffused, the stains can be wiped off only by using a solvent type cleaning agent, the solvent type cleaning agent is usually very corrosive, and the artificial leather is further damaged by back-and-forth friction during cleaning and wiping, so that common leather products cannot be cleaned by using the cleaning agent.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problems to be solved by the invention are as follows: how to improve the solvent corrosion resistance and the scratch and abrasion resistance of the artificial leather.
In order to solve the technical problems, the invention adopts the technical scheme that: the corrosion-resistant and wear-resistant artificial leather comprises a surface layer, a coloring layer, a PVC bottom layer, a laminating layer and base cloth which are sequentially stacked;
the surface layer is prepared by coating solvent-resistant slurry;
the solvent-resistant slurry comprises the following components in parts by weight: 100 parts of solvent-resistant resin PLT-3930, 0.5 part of polyether siloxane copolymer, 0.5 part of dimethyl silicone oil, 0.5 part of polyether modified polysiloxane and 0.8 part of isocyanate curing agent;
the coloring layer is made of aqueous polyurethane slurry;
the PVC bottom layer is made of polyurethane slurry coating.
The other technical scheme adopted by the invention is as follows: the preparation method of the corrosion-resistant and wear-resistant artificial leather comprises the following steps:
step 1, coating the solvent-resistant slurry on PU release paper, and drying at 110-;
step 2, coating the waterborne polyurethane slurry on a surface layer, and drying at 110-;
step 3, coating the polyurethane slurry on the coloring layer, wherein the coating thickness is 0.25-0.4mm, and then drying and plasticizing at 185 ℃ to obtain a PVC bottom layer;
and 4, coating the polyurethane laminating slurry or the water-based laminating slurry on the PVC bottom layer to obtain a laminating layer, laminating the base cloth with the laminating layer, drying at the temperature of 125-150 ℃, and stripping the release paper after cooling to obtain the corrosion-resistant and wear-resistant artificial leather.
The invention has the beneficial effects that: the corrosion-resistant and wear-resistant artificial leather provided by the invention is coated on the drying surface of release paper by a solvent-resistant material to obtain a 2-3 silk surface layer, the surface layer has strong solvent resistance and scratch resistance, the surface is not damaged after 100 times of acetone solvent test, and the color does not fade after 1000 times of alcohol test. The preparation method of the corrosion-resistant and wear-resistant artificial leather provided by the invention is simple to operate, and different layers of the prepared artificial leather are tightly attached, the surface layer is compact, and the prepared artificial leather has good solvent corrosion resistance and wear resistance.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description will be given with reference to the embodiments.
The invention provides corrosion-resistant and wear-resistant artificial leather which comprises a surface layer, a coloring layer, a PVC bottom layer, a laminating layer and base cloth which are sequentially stacked;
the surface layer is prepared by coating solvent-resistant slurry;
the solvent-resistant slurry comprises the following components in parts by weight: 100 parts of solvent-resistant resin PLT-3930, 0.5 part of polyether siloxane copolymer, 0.5 part of dimethyl silicone oil, 0.5 part of polyether modified polysiloxane and 0.8 part of isocyanate curing agent;
the coloring layer is made of aqueous polyurethane slurry;
the PVC bottom layer is made of polyurethane slurry coating.
From the above description, the beneficial effects of the present invention are: the corrosion-resistant and wear-resistant artificial leather provided by the invention is coated on the drying surface of release paper by a solvent-resistant material to obtain a 2-3 silk surface layer, the surface layer has strong solvent resistance and scratch resistance, the surface is not damaged after 100 times of acetone solvent test, and the color does not fade after 1000 times of alcohol test.
The preparation method of the corrosion-resistant and wear-resistant artificial leather comprises the following steps:
step 1, coating the solvent-resistant slurry on PU release paper, and drying at 110-;
step 2, coating the aqueous polyurethane slurry on the surface layer, and drying for 3min at the temperature of 110-;
step 3, coating the polyurethane slurry on the coloring layer, wherein the coating thickness is 0.25-0.4mm, and then drying and plasticizing at 185 ℃ for 2-3min to obtain a PVC bottom layer;
and 4, coating the polyurethane laminating slurry or the water-based laminating slurry on the PVC bottom layer to obtain a laminating layer, laminating the base cloth with the laminating layer, drying at the temperature of 125-150 ℃, and stripping the release paper after cooling to obtain the corrosion-resistant and wear-resistant artificial leather.
From the above description, the beneficial effects of the present invention are: the preparation method of the corrosion-resistant and wear-resistant artificial leather provided by the invention is simple to operate, and different layers of the prepared artificial leather are tightly attached, the surface layer is compact, and the prepared artificial leather has good solvent corrosion resistance and wear resistance.
Further, the aqueous polyurethane slurry comprises the following components in parts by weight: 50 parts of water-based resin KTKC-6161, 50 parts of water-based resin DS-6830, 0.8 part of polyether siloxane copolymer, 0.8 part of dimethyl silicone oil, 0.5 part of polyether modified polysiloxane, 0.8 part of isocyanate curing agent and 5-8 parts of water-based pigment.
As can be seen from the above description, the dyed layers prepared by using KTKC-6161 and DS-6830 in combination are not prone to pin-holing and adhere well to PVC.
Further, the polyurethane slurry comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 80 parts of plasticizer, 20 parts of filler, 2 parts of stabilizer and 5-8 parts of pigment.
Further, the plasticizer is dioctyl phthalate, the filler is calcium bicarbonate, and the stabilizer is a barium-zinc stabilizer.
As can be seen from the above description, by providing the PVC base layer as a non-foamed layer, the abrasion resistance of the artificial leather can be significantly improved.
Further, the viscosity of the solvent-resistant slurry is 500cps, and the preparation method of the solvent-resistant slurry comprises the following steps: under the stirring condition of 400-700rmp, the needed auxiliary agent polyether siloxane copolymer, polyether modified polysiloxane, isocyanate curing agent, dimethyl silicone oil and color paste are sequentially added into solvent-resistant resin PLT-3930 and are uniformly mixed to obtain the solvent-resistant slurry.
As can be seen from the above description, the solvent-resistant slurry is easy to generate foam in the preparation process, which affects the effect of subsequent coating and the quality of the obtained product, especially pinholes and pits on the surface of the artificial leather, the problem that the solvent-resistant slurry is easy to generate foam in the preparation process can be effectively solved by selecting and adding the stirring speed and the feeding sequence, and the obtained solvent-resistant slurry is not easy to generate pinholes and pits after being coated.
The first embodiment of the invention is as follows:
the corrosion-resistant and wear-resistant artificial leather comprises a surface layer, a coloring layer, a PVC bottom layer, a laminating layer and base cloth which are sequentially stacked;
the surface layer is prepared by coating solvent-resistant slurry;
the solvent-resistant slurry comprises the following components in parts by weight: 100kg of solvent-resistant resin PLT-3930, 0.5kg of polyether siloxane copolymer, 0.5kg of dimethyl silicone oil, 0.5kg of polyether modified polysiloxane and 0.8 part of isocyanate curing agent;
the coloring layer is made of aqueous polyurethane slurry;
the aqueous polyurethane slurry comprises the following components in parts by weight: 50kg of water-based resin KTKC-6161, 50kg of water-based resin DS-6830, 0.8kg of polyether siloxane copolymer, 0.8kg of dimethyl silicone oil, 0.5kg of polyether modified polysiloxane, 0.8kg of isocyanate curing agent and 5kg of water-based coloring material;
the PVC bottom layer is prepared by coating polyurethane slurry;
the polyethylene slurry comprises the following components in parts by weight: 100kg of polyvinyl chloride resin, 80kg of dioctyl phthalate, 20kg of calcium bicarbonate, 2kg of barium zinc stabilizer and 5kg of pigment.
The preparation method of the corrosion-resistant and wear-resistant artificial leather comprises the following steps:
step 1, sequentially adding the required auxiliary agent polyether siloxane copolymer, polyether modified polysiloxane, isocyanate curing agent, dimethyl silicone oil and color paste into solvent-resistant resin PLT-3930 under the stirring condition of 400rmp, and uniformly mixing to obtain solvent-resistant slurry with the viscosity of 500 cps;
step 2, coating the solvent-resistant slurry on PU release paper, and drying for 3min at 110 ℃ to obtain a surface layer;
step 3, coating the aqueous polyurethane slurry on the surface layer, and drying for 3min at 110 ℃ to obtain a coloring layer;
step 4, coating the polyurethane slurry on the coloring layer, wherein the coating thickness is 0.25mm, and then drying and plasticizing at 185 ℃ for 2-3min to obtain a PVC bottom layer;
step 5, coating the polyurethane laminating slurry on a PVC bottom layer to obtain a laminating layer, laminating the base cloth and the laminating layer, drying at 125 ℃, and stripping release paper after cooling to obtain the corrosion-resistant and wear-resistant artificial leather;
the polyurethane coating slurry consists of 100 parts of polyurethane coating material resin cx-c50 and 45kg of butanone.
The second embodiment of the invention is as follows:
the corrosion-resistant and wear-resistant artificial leather comprises a surface layer, a coloring layer, a PVC bottom layer, a laminating layer and base cloth which are sequentially stacked;
the surface layer is prepared by coating solvent-resistant slurry;
the solvent-resistant slurry comprises the following components in parts by weight: 100kg of solvent-resistant resin PLT-3930, 0.5kg of polyether siloxane copolymer, 0.5kg of dimethyl silicone oil, 0.5kg of polyether modified polysiloxane and 0.8 part of isocyanate curing agent;
the coloring layer is made of aqueous polyurethane slurry;
the aqueous polyurethane slurry comprises the following components in parts by weight: 50kg of water-based resin KTKC-6161, 50kg of water-based resin DS-6830, 0.8kg of polyether siloxane copolymer, 0.8kg of dimethyl silicone oil, 0.5kg of polyether modified polysiloxane and 0.8kg of water-based coloring material of isocyanate curing agent 8 kg;
the PVC bottom layer is prepared by coating polyurethane slurry;
the polyethylene slurry comprises the following components in parts by weight: 100kg of polyvinyl chloride resin, 80kg of plasticizer, 20kg of filler, 2kg of stabilizer and 8kg of coloring material.
The preparation method of the corrosion-resistant and wear-resistant artificial leather comprises the following steps:
step 1, sequentially adding X into solvent-resistant resin PLT-3930 under the stirring condition of 700rmp, and uniformly mixing to obtain solvent-resistant slurry with the viscosity of 500 cps;
step 2, coating the solvent-resistant slurry on PU release paper, and drying for 3min at 130 ℃ to obtain a surface layer;
step 3, coating the aqueous polyurethane slurry on the surface layer, and drying for 3min at 130 ℃ to obtain a coloring layer;
step 4, coating the polyurethane slurry on the coloring layer, wherein the coating thickness is 0.4mm, and then drying and plasticizing at 185 ℃ for 2-3min to obtain a PVC bottom layer;
and 5, coating the water-based laminating slurry Baoliteld-3030 on a PVC bottom layer to obtain a laminating layer, laminating the base cloth and the laminating layer, drying at 150 ℃, cooling, and stripping release paper to obtain the corrosion-resistant and wear-resistant artificial leather.
The artificial leathers obtained in examples 1-2 and commercially available artificial leathers (conventional leathers) were subjected to performance tests, and the results are shown in Table 1.
Conventional leather differs from the present application in that its top layer is made using a solvent-borne polyurethane coating.
TABLE 1
Can see out from table 1 that the synthetic leather that this application provided compares in traditional synthetic leather, and wear-resisting resistant ability of scraping is showing and is promoting, through test and the alcohol colour fastness test with solvent wiping ballpoint pen handwriting, can see that the solvent resistance of the synthetic leather that this application provided also shows and promotes.
In conclusion, the corrosion-resistant and wear-resistant artificial leather provided by the invention is coated on the dried surface of release paper by the solvent-resistant material to obtain a 2-3 silk surface layer, the surface layer has very strong solvent resistance and scratch resistance, the surface is not damaged after 100 times of acetone solvent test, the color does not fade after 1000 times of alcohol test, and the surface layer is positioned at the uppermost layer, so that the artificial leather can effectively protect other layers, the expansion of the application range of the artificial leather on the solvent-resistant and wear-resistant color fastness is changed, and the artificial leather has more advantages in more fields such as furniture, decoration and automobile leather. The preparation method of the corrosion-resistant and wear-resistant artificial leather provided by the invention is simple to operate, and different layers of the prepared artificial leather are tightly attached, the surface layer is compact, and the prepared artificial leather has good solvent corrosion resistance and wear resistance.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification or directly or indirectly applied to the related technical field are included in the scope of the present invention.
Claims (6)
1. The corrosion-resistant and wear-resistant artificial leather is characterized by comprising a surface layer, a coloring layer, a PVC bottom layer, an attaching layer and base cloth which are sequentially stacked;
the surface layer is prepared by coating solvent-resistant slurry;
the solvent-resistant slurry comprises the following components in parts by weight: 100 parts of solvent-resistant resin PLT-3930, 0.5 part of polyether siloxane copolymer, 0.5 part of dimethyl silicone oil, 0.5 part of polyether modified polysiloxane and 0.8 part of isocyanate curing agent;
the coloring layer is made of aqueous polyurethane slurry;
the PVC bottom layer is made of polyurethane slurry coating.
2. The corrosion-resistant and wear-resistant artificial leather according to claim 1, wherein the aqueous polyurethane slurry comprises the following components in parts by weight: 50 parts of KTKC-6161, 50 parts of DS-6830, 0.8 part of polyether siloxane copolymer, 0.8 part of dimethyl silicone oil, 0.5 part of polyether modified polysiloxane, 0.8 part of isocyanate curing agent and 5-8 parts of water-based pigment.
3. The corrosion-resistant and wear-resistant artificial leather according to claim 1, wherein the polyurethane slurry comprises the following components in parts by weight: 100 parts of polyvinyl chloride resin, 80 parts of plasticizer, 20 parts of filler, 2 parts of stabilizer and 5-8 parts of pigment.
4. The corrosion-resistant and wear-resistant artificial leather according to claim 3, wherein the plasticizer is dioctyl phthalate, the filler is calcium bicarbonate, and the stabilizer is a barium-zinc heat stabilizer.
5. The artificial leather resistant to corrosion and abrasion according to claim 1, wherein the viscosity of the solvent-resistant slurry is 500cps, and the preparation method of the solvent-resistant slurry comprises: under the stirring condition of 400-700rmp, sequentially adding the polyether siloxane copolymer, the polyether modified polysiloxane, the isocyanate curing agent, the dimethyl silicone oil and the color paste into the solvent-resistant resin PLT-3930, and uniformly mixing to obtain the solvent-resistant slurry.
6. The method for preparing artificial leather with corrosion resistance and wear resistance according to any one of claims 1 to 5, which comprises the following steps:
step 1, coating the solvent-resistant slurry on PU release paper, and drying at 110-;
step 2, coating the waterborne polyurethane slurry on a surface layer, and drying at 110-;
step 3, coating the polyurethane slurry on the coloring layer, wherein the coating thickness is 0.25-0.4mm, and then drying and plasticizing at 185 ℃ to obtain a PVC bottom layer;
and 4, coating the polyurethane laminating slurry or the water-based laminating slurry on the PVC bottom layer to obtain a laminating layer, laminating the base cloth with the laminating layer, drying at the temperature of 125-150 ℃, and stripping the release paper after cooling to obtain the corrosion-resistant and wear-resistant artificial leather.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111455688A (en) * | 2020-05-15 | 2020-07-28 | 河北昊明人造皮革有限公司 | Manufacturing process of dry-method PVC hot-pressing color-changing artificial leather |
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