CN104674563A - Artificial leather and preparation method thereof - Google Patents
Artificial leather and preparation method thereof Download PDFInfo
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- CN104674563A CN104674563A CN201510078818.XA CN201510078818A CN104674563A CN 104674563 A CN104674563 A CN 104674563A CN 201510078818 A CN201510078818 A CN 201510078818A CN 104674563 A CN104674563 A CN 104674563A
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- Prior art keywords
- artificial leather
- layer slurry
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- full
- cracks
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Classifications
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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
- D06N3/06—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 with polyvinylchloride or its copolymerisation products
- D06N3/08—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 with polyvinylchloride or its copolymerisation products with a finishing layer consisting of polyacrylates, polyamides or polyurethanes or polyester
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention relates to artificial leather. The artificial leather comprises a surface layer, a cracking layer and a foaming layer which are arranged from top to bottom in sequence, wherein the surface layer is prepared from the following raw materials in parts by weight: 95 to 105 parts of polyurethane resin, and 70 to 90 parts of an organic solvent; the cracking layer is prepared from the following raw materials in parts by weight: 30 to 40 parts of polyurethane resin, 10 to 20 parts of silicon dioxide, 30 to 50 parts of an organic solvent, and 6 to 10 parts of PU pigment powder; the foaming layer is prepared from the following raw materials in parts by weight: 95 to 105 parts of polyvinyl chloride resin, 80 to 100 parts of dioctyl phthalate, and 70 to 90 parts of a filling agent. The invention further relates to a preparation method of the artificial leather. The artificial leather has the effect of drought crack on the surface. The preparation method of the artificial leather has the advantages of being simple and convenient to operate, beneficial to popularization, and good in surface drought crack effect on the surface of the artificial leather.
Description
Technical field
The present invention relates to leather processing technique field, particularly a kind of artificial leather and preparation method thereof.
Background technology
The formula of artificial leather of the prior art is: polyurethane resin 100 parts, organic solvent 80-100 part, PU toner (HuaPu) 5-10 part, Corvic 100 parts, dioctyl phthalate 80-100 part, filler 70-90 part.The preparation method of artificial leather of the prior art is: form polyurethane cover slurry by polyurethane resin and organic solvent, PU toner mixing and stirring, forms foam polyvinyl chloride slurry by Corvic, plasticizer, the abundant mixing and stirring of filler; Set the coating clearance of each painting platform; Be coated in release liners with polyurethane cover slurry, through 100 ?150 temperature under dry; Be coated on foam polyvinyl chloride slurry on the polyurethane cover of having dried, foam at the temperature of 170 ?190 DEG C; Evenly be coated on foam polyvinyl chloride layer with polyurethane binder; Selected base fabric is passed through two to the running roller of pressure, make it to bond with foaming layer; Through 120 ?160 degree dry after, then release liners to be peeled off by base material, has made leather finish.Its artificial leather surface of preparing is single, and surface cannot obtain drought crack effect.
The patent No. is that the Chinese patent application of 201310351773.X discloses a kind of artificial leather preparation technology and artificial leather, specifically comprise the following steps: arrange organisation of working, this organisation of working is made up of the apparatus for baking be linked in sequence, film device, vacuum tattoo machine and unwinding and rewinding machine; Realize automatic charging by unreeling machine, the end embryo preparing cloth or processed by cloth is formed matrix, and this matrix is put into apparatus for baking the pre-heat treatment; Plastic resin and look mother are put into film device heat and be squeezed into adhesive film; Described adhesive film compound is formed leather body on the matrix, and has solidified; Leather body after solidification is inhaled line batching in conjunction with unwinding and rewinding machine by described vacuum tattoo machine, forms different surface details.It adopts simple and easy small bake oven, film machine, vacuum tattoo machine and unwinding and rewinding machine to form production line and directly realizes artificial leather machine-shaping, there is technique simple, and process meets the advantage of energy-conserving and environment-protective demand, the artificial leather of the method that what this invention provided meet, its elasticity of effective enhancing, toughness, ABRASION RESISTANCE and the performance such as cold-resistant, effectively cost-saving, improve quality.But above-mentioned artificial leather preparation technology and the artificial leather prepared can not obtain drought crack effect.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and have artificial leather of drought crack effect and preparation method thereof.
Described drought crack also claims be full of cracks or check crack, and refer to that crack and crack connect into the irregular cracks of tortoise plastron line shape, described drought crack effect refers to that leather surface has the phenomenon of the irregular cracks of tortoise plastron line shape.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of artificial leather, comprise surface layer, be full of cracks layer and foaming layer from top to bottom successively, described surface layer is prepared from by following raw material: polyurethane resin 100 parts and organic solvent 70-90 part, described be full of cracks layer is prepared from by following raw material: polyurethane resin 30-40 part, silica 1 0-20 part, organic solvent 30-50 part and PU toner 6-10 part, and described foaming layer is prepared from by following raw material: Corvic 100 parts, dioctyl phthalate 80-100 part and filler 70-90 part.
The present invention also provides a kind of preparation method of above-mentioned artificial leather, according to the above ratio polyurethane resin and organic solvent are mixed, form surface layer slurry, described surface layer slurry is coated in release liners, 60-70S is dried under 130-160 DEG C of condition, according to the above ratio by polyurethane resin, silica, organic solvent and PU toner mix, form be full of cracks layer slurry, then described be full of cracks layer slurry is coated on the surface layer slurry after oven dry, 70-80S is dried under 90-150 DEG C of condition, according to the above ratio by Corvic, dioctyl phthalate and filler mix, form foaming layer slurry, then foaming layer slurry is coated on the be full of cracks layer slurry after oven dry, foamable reaction is carried out under 170-180 DEG C of condition, on foaming layer slurry, aqueous binder is applied after foaming fully, then foaming layer slurry is bonded by aqueous binder and base cloth, 70-80S is dried at 120-160 DEG C, release liners is detached, obtained described artificial leather.
Beneficial effect of the present invention is:
(1) artificial leather design of the present invention comprises surface layer, be full of cracks layer and foaming layer, and designs its each component, by the acting in conjunction of surface layer be full of cracks layer, makes artificial leather surface obtain drought crack effect;
(2) in be full of cracks layer slurry, silica is added, be full of cracks layer slurry is utilized to dry 70-80S under 90-150 DEG C of condition, then described be full of cracks layer slurry is coated on the surface layer slurry after oven dry, namely by the acting in conjunction of chap layer slurry and surface layer slurry, make the surface of the artificial leather prepared produce drought crack effect, the preparation method of artificial leather of the present invention have easy and simple to handle, be beneficial to popularization and the effective advantage of the surperficial drought crack of the artificial leather prepared.
Detailed description of the invention
By describing technology contents of the present invention in detail, being realized object and effect, be explained below in conjunction with embodiment.
The design of most critical of the present invention is: by the design of surface layer, be full of cracks layer, foaming layer and its each component, thus obtain the artificial leather that surface has drought crack effect.
A kind of artificial leather provided by the invention, comprise surface layer, be full of cracks layer and foaming layer from top to bottom successively, described surface layer is prepared from by following raw material: polyurethane resin 100 parts and organic solvent 70-90 part, described be full of cracks layer is prepared from by following raw material: polyurethane resin 30-40 part, silica 1 0-20 part, organic solvent 30-50 part and PU toner 6-10 part, and described foaming layer is prepared from by following raw material: Corvic 100 parts, dioctyl phthalate 80-100 part and filler 70-90 part.
Further, the raw materials of described be full of cracks layer also comprises levelling agent and water spot preventing agent, and described levelling agent is (DA-375) 1-3 levelling agent, and described water spot preventing agent is (GD-818A) 1-3 water spot preventing agent.
Further, described organic solvent is dimethyl formamide (DMF), toluene (TOL) or MEK (MEK).
Seen from the above description, described water spot preventing agent can select (GD-818A) 1-3 water spot preventing agent purchased from Shuo Zhong Trade Co., Ltd. of Xiamen City; Described PU toner can select the PU toner purchased from new material Co., Ltd of HuaPu of Fujian Province; Described filler can select conventional leather filler.
The present invention also provides a kind of preparation method of above-mentioned artificial leather, according to the above ratio polyurethane resin and organic solvent are mixed, form surface layer slurry, described surface layer slurry is coated in release liners, 60-70S is dried under 130-160 DEG C of condition, according to the above ratio by polyurethane resin, silica, organic solvent and PU toner mix, form be full of cracks layer slurry, then described be full of cracks layer slurry is coated on the surface layer slurry after oven dry, 70-80S is dried under 90-150 DEG C of condition, according to the above ratio by Corvic, dioctyl phthalate and filler mix, form foaming layer slurry, then foaming layer slurry is coated on the be full of cracks layer slurry after oven dry, foamable reaction is carried out under 170-180 DEG C of condition, on foaming layer slurry, aqueous binder is applied after foaming fully, then foaming layer slurry is bonded by aqueous binder and base cloth, 70-80S is dried at 120-160 DEG C, release liners is detached, obtained described artificial leather.
Further, described aqueous binder is water-based polyurethane adhesive, and the material of described base cloth is textile material.
Seen from the above description, described base portion can be selected from the leather base cloth of common artificial leather, is namely adopted as the textile manufactured item through special purpose processing.
Further, first set coating clearance, then surface layer slurry is coated in release liners.
Further, by running roller, foaming layer slurry and base cloth are bonded.
Beneficial effect of the present invention is:
(1) artificial leather design of the present invention comprises surface layer, be full of cracks layer and foaming layer, and designs its each component, by the acting in conjunction of surface layer be full of cracks layer, makes artificial leather surface obtain drought crack effect;
(2) in be full of cracks layer slurry, silica is added, be full of cracks layer slurry is utilized to dry 70-80S under 90-150 DEG C of condition, then described be full of cracks layer slurry is coated on the surface layer slurry after oven dry, namely by the acting in conjunction of chap layer slurry and surface layer slurry, make the surface of the artificial leather prepared produce drought crack effect, the preparation method of artificial leather of the present invention have easy and simple to handle, be beneficial to popularization and the effective advantage of the surperficial drought crack of the artificial leather prepared.
Embodiments of the invention one are:
The artificial leather of the present embodiment, comprise surface layer, be full of cracks layer and foaming layer from top to bottom successively, described surface layer is prepared from by following raw material: polyurethane resin 95 parts and organic solvent 70 parts, described be full of cracks layer is prepared from by following raw material: polyurethane resin 30 parts, silica 10 part, organic solvent 30 parts and PU toner 6 parts, and described foaming layer is prepared from by following raw material: Corvic 95 parts, dioctyl phthalate 80 parts and filler 70 parts;
The preparation method of the artificial leather of the present embodiment is: polyurethane resin and organic solvent are mixed according to the above ratio, form surface layer slurry, described surface layer slurry is coated in release liners, 60S is dried under 130 DEG C of conditions, according to the above ratio by polyurethane resin, silica, organic solvent and PU mill base mix, form be full of cracks layer slurry, then described be full of cracks layer slurry is coated on the surface layer slurry after oven dry, 70S is dried under 90 DEG C of conditions, according to the above ratio by Corvic, dioctyl phthalate and filler mix, form foaming layer slurry, then foaming layer slurry is coated on the be full of cracks layer slurry after oven dry, foamable reaction is carried out under 170 DEG C of conditions, on foaming layer slurry, aqueous binder is applied after foaming fully, then foaming layer slurry is bonded by aqueous binder and base cloth, 70S is dried at 120 DEG C, release liners is detached, obtained described artificial leather.
Embodiments of the invention two are:
The artificial leather of the present embodiment, comprise surface layer, be full of cracks layer and foaming layer from top to bottom successively, described surface layer is prepared from by following raw material: polyurethane resin 105 parts and organic solvent 90 parts, described be full of cracks layer is prepared from by following raw material: polyurethane resin 40 parts, silica 20 parts, organic solvent 50 parts and PU toner 10 parts, and described foaming layer is prepared from by following raw material: Corvic 105 parts, dioctyl phthalate 100 parts and filler 90 parts;
The preparation method of the artificial leather of the present embodiment is: polyurethane resin and organic solvent are mixed according to the above ratio, form surface layer slurry, described surface layer slurry is coated in release liners, 70S is dried under 160 DEG C of conditions, according to the above ratio by polyurethane resin, silica, organic solvent and PU toner mix, form be full of cracks layer slurry, then described be full of cracks layer slurry is coated on the surface layer slurry after oven dry, 80S is dried under 150 DEG C of conditions, according to the above ratio by Corvic, dioctyl phthalate and filler mix, form foaming layer slurry, then foaming layer slurry is coated on the be full of cracks layer slurry after oven dry, foamable reaction is carried out under 180 DEG C of conditions, on foaming layer slurry, aqueous binder is applied after foaming fully, then foaming layer slurry is bonded by aqueous binder and base cloth, 80S is dried at 160 DEG C, release liners is detached, obtained described artificial leather.
Embodiments of the invention three are:
The artificial leather of the present embodiment, comprise surface layer, be full of cracks layer and foaming layer from top to bottom successively, described surface layer is prepared from by following raw material: polyurethane resin 100 parts and organic solvent 80 parts, described be full of cracks layer is prepared from by following raw material: polyurethane resin 35 parts, silica 15 parts, organic solvent 40 parts and PU toner 8 parts, and described foaming layer is prepared from by following raw material: Corvic 100 parts, dioctyl phthalate 90 parts and filler 80 parts;
The preparation method of the artificial leather of the present embodiment is: polyurethane resin and organic solvent are mixed according to the above ratio, form surface layer slurry, described surface layer slurry is coated in release liners, 65S is dried under 140 DEG C of conditions, according to the above ratio by polyurethane resin, silica, organic solvent and PU mill base mix, form be full of cracks layer slurry, then described be full of cracks layer slurry is coated on the surface layer slurry after oven dry, 75S is dried under 120 DEG C of conditions, according to the above ratio by Corvic, dioctyl phthalate and filler mix, form foaming layer slurry, then foaming layer slurry is coated on the be full of cracks layer slurry after oven dry, foamable reaction is carried out under 175 DEG C of conditions, on foaming layer slurry, aqueous binder is applied after foaming fully, then foaming layer slurry is bonded by aqueous binder and base cloth, 75S is dried at 140 DEG C, release liners is detached, obtained described artificial leather.
Artificial leather surface provided by the invention has drought crack effect; The preparation method of artificial leather of the present invention have easy and simple to handle, be beneficial to popularization and the effective advantage of the surperficial drought crack of the artificial leather prepared.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing description of the present invention to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. an artificial leather, it is characterized in that, comprise surface layer, be full of cracks layer and foaming layer from top to bottom successively, described surface layer is prepared from by following raw material: polyurethane resin 95-105 part and organic solvent 70-90 part, described be full of cracks layer is prepared from by following raw material: polyurethane resin 30-40 part, silica 1 0-20 part, organic solvent 30-50 part and PU toner 6-10 part, and described foaming layer is prepared from by following raw material: Corvic 95-105 part, dioctyl phthalate 80-100 part and filler 70-90 part.
2. artificial leather according to claim 1, it is characterized in that, the raw materials of described be full of cracks layer also comprises levelling agent and water spot preventing agent, and described levelling agent is (DA-375) 1-3 levelling agent, and described water spot preventing agent is (GD-818A) 1-3 water spot preventing agent.
3. artificial leather according to claim 1, is characterized in that, described organic solvent is dimethyl formamide (DMF), toluene (TOL) or MEK (MEK).
4. the preparation method of artificial leather described in a claim 1-3 any one, it is characterized in that, in ratio described in claim 1, polyurethane resin and organic solvent are mixed, form surface layer slurry, described surface layer slurry is coated in release liners, 60-70S is dried under 130-160 DEG C of condition, in ratio described in claim 1 by polyurethane resin, silica, organic solvent and PU mill base mix, form be full of cracks layer slurry, then described be full of cracks layer slurry is coated on the surface layer slurry after oven dry, 70-80S is dried under 90-150 DEG C of condition, in ratio described in claim 1 by Corvic, dioctyl phthalate and filler mix, form foaming layer slurry, then foaming layer slurry is coated on the be full of cracks layer slurry after oven dry, foamable reaction is carried out under 170-180 DEG C of condition, on foaming layer slurry, aqueous binder is applied after foaming fully, then foaming layer slurry is bonded by aqueous binder and base cloth, 70-80S is dried at 120-160 DEG C, release liners is detached, obtained described artificial leather.
5. the preparation method of artificial leather according to claim 4, is characterized in that, described aqueous binder is water-based polyurethane adhesive, and the material of described base cloth is textile material.
6. the preparation method of artificial leather according to claim 4, is characterized in that, first sets coating clearance, then is coated in release liners by surface layer slurry.
7. the preparation method of artificial leather according to claim 4, is characterized in that, foaming layer slurry and base cloth is bonded by running roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078818.XA CN104674563A (en) | 2015-02-13 | 2015-02-13 | Artificial leather and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078818.XA CN104674563A (en) | 2015-02-13 | 2015-02-13 | Artificial leather and preparation method thereof |
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| CN104674563A true CN104674563A (en) | 2015-06-03 |
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| CN201510078818.XA Pending CN104674563A (en) | 2015-02-13 | 2015-02-13 | Artificial leather and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386325A (en) * | 2015-10-15 | 2016-03-09 | 福建宝利特科技股份有限公司 | Printing artificial leather and preparation method thereof |
| CN106400523A (en) * | 2016-11-24 | 2017-02-15 | 福建省尤溪县益康制革有限公司 | Production method of release napped cloth |
| CN107100013A (en) * | 2017-05-12 | 2017-08-29 | 佛山高明骏宏塑胶有限公司 | A kind of mould proof PVC artificial leather and preparation method thereof |
| CN109881494A (en) * | 2019-03-14 | 2019-06-14 | 加通汽车内饰(常熟)有限公司 | A kind of pliability is high, the automobile-used artificial leather of hydrolysis and preparation method thereof |
| CN110154492A (en) * | 2018-11-26 | 2019-08-23 | 四川金路高新材料有限公司 | A kind of production technology of anti-fold hot-water bottle leather |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105386325A (en) * | 2015-10-15 | 2016-03-09 | 福建宝利特科技股份有限公司 | Printing artificial leather and preparation method thereof |
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| CN107100013A (en) * | 2017-05-12 | 2017-08-29 | 佛山高明骏宏塑胶有限公司 | A kind of mould proof PVC artificial leather and preparation method thereof |
| CN110154492A (en) * | 2018-11-26 | 2019-08-23 | 四川金路高新材料有限公司 | A kind of production technology of anti-fold hot-water bottle leather |
| CN110154492B (en) * | 2018-11-26 | 2021-07-09 | 四川金路高新材料有限公司 | Production process of anti-wrinkle hot-water bag leather |
| CN109881494A (en) * | 2019-03-14 | 2019-06-14 | 加通汽车内饰(常熟)有限公司 | A kind of pliability is high, the automobile-used artificial leather of hydrolysis and preparation method thereof |
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