CN108914603B - Water-based one-cut-pasted clothing leather and preparation method thereof - Google Patents
Water-based one-cut-pasted clothing leather and preparation method thereof Download PDFInfo
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- CN108914603B CN108914603B CN201810612983.2A CN201810612983A CN108914603B CN 108914603 B CN108914603 B CN 108914603B CN 201810612983 A CN201810612983 A CN 201810612983A CN 108914603 B CN108914603 B CN 108914603B
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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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—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
-
- 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
- D06N2209/1642—Hardnes
-
- 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
-
- 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 provides a water-based one-cut clothing leather and a preparation method thereof, wherein the method comprises the following steps: 1) preparing aqueous once-cutting paste; 2) coating a piece of water-based one-time paste on release paper, and drying the release paper by hot air to be in a semi-dry state; 3) attaching the water-based clothing bass through an attaching machine, and then carrying out hot air drying and cooling; 4) stripping the release paper to obtain water-based one-cut clothing leather; the water-based one-cut clothing leather obtained by the invention has the characteristics of soft hand feeling, good bonding fastness, strong real leather feeling and simple operation, particularly greatly reduces the production cost after binder is saved, and has great competitiveness in the clothing leather market.
Description
Technical Field
The invention relates to the technical field of garment leather production processes, in particular to water-based one-cut garment leather and a preparation method thereof.
Background
The clothing leather has good hand feeling, is widely applied to coats, underwear and the like, has higher and higher grade requirements on the clothing leather along with the change of the market and the improvement of the taste of consumers, has the quality of the traditional clothing leather which cannot meet the requirements of the consumers, and is a necessary direction for developing high-grade clothing leather.
The garment leathers circulating in the market are all solvent-based wet-process Bass garment leathers and solvent-based dry-process veneering garment leathers. The solvent-based wet-process Bass clothing leather has the advantages that the hand feeling and the meat feeling provided by the product are good, the price of the product is very low, and the cost can be controlled in a very low range; however, the solvent-based wet-process bass clothing leather contains a large amount of wood powder, which can greatly affect the performance of bass, including the aging resistance problem of bass, so that the solvent-based bass clothing leather can be pulverized when being placed for one year. The solvent type adopts 3 dry-method knife attaching base cloth, compared with the solvent type wet-method Bass clothing leather, the hand feeling and the stretching are superior, but the meat feeling of the wet-method Bass clothing leather cannot be achieved.
Therefore, the developed clothing leather with soft hand feeling, good bonding fastness, strong real leather feeling, simple operation and low cost has wide application prospect.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to a water-based one-cut garment leather and a method for preparing the same, which solves the above problems.
In order to achieve the above objects and other related objects, the present invention provides a water-based one-cut garment leather, including a water-based garment leather base, characterized in that: coating a water-based one-cut paste on release paper, drying to a semi-dry state with the solid content of 30-40%, and then attaching the water-based clothing leather base to obtain water-based one-cut clothing leather; the water-based one-cut paste is prepared by stirring the following raw material components in parts by weight, and all the components are water-based:
100 parts of polyurethane resin is pasted on a knife;
0.3-0.7 part of defoaming agent;
3-10 parts of color paste;
0.5-1 part of a hand feeling agent;
0.5-1.5 parts of a leveling agent;
3-8 parts of a curing agent;
0.5-2 parts of a thickening agent.
Preferably, the color paste is 5-8 parts.
Preferably, the hand feeling agent is 0.6-0.8 part.
Preferably, the leveling agent is 0.8-1.2 parts.
Preferably, the thickening agent is 1-1.5 parts.
Preferably, the knife-cut polyurethane resin is aliphatic waterborne polyurethane, and the solid content of the knife-cut polyurethane resin is 35-50%. The aliphatic waterborne polyurethane resin has the advantages of excellent cold crack resistance, yellowing resistance, light resistance and excellent drum-falling resistance.
More preferably, the aliphatic aqueous urethane resin has a linear or branched or cyclic aliphatic hydrocarbon group of 12 to 36 carbon atoms, or a urea group; but does not contain aromatic hydrocarbon groups, which can reduce the elasticity of the resin.
More preferably, the type of the aqueous polyurethane resin is selected from Kotian chemical KTT737, KTG703E and KTA 703E.
Preferably, the thickener is one or two of associative polyurethane thickener or alkali swelling acrylic thickener.
More preferably, the thickener is of type RM2020, rheelate 208.
Preferably, the defoaming agent is any one or more of an organic silicon modified defoaming agent, a polyether modified defoaming agent or a mineral oil based defoaming agent.
More preferably, the defoamer is of the type BYK-045, TEGO 902W.
Preferably, the leveling agent is any one or two of an organic silicon leveling agent and a mixed acrylic leveling agent.
More preferably, the leveling agent is BD-3376.
Preferably, the mass ratio of the leveling agent to the total mass of the aqueous polyurethane resin is 0.1-10%.
Preferably, the curing agent is one or two of an organic silicon curing agent and an isocyanate curing agent.
More preferably, the type of the curing agent is german bayer 3099.
Preferably, the feel agent is a nonionic silicone-based feel agent.
More preferably, the handle agent is TEGO 410.
To achieve the above and other related objects, the present invention provides a method for preparing the aqueous one-cut garment leather as described above, comprising the steps of:
1) preparing water-based one-cut paste: weighing 100 parts of one-cut-pasted polyurethane resin, 0.3-0.7 part of defoaming agent, 3-10 parts of color paste, 0.5-1 part of hand feeling agent, 0.5-1.5 parts of flatting agent, 3-8 parts of curing agent and 0.5-2 parts of thickening agent, mixing and stirring uniformly, wherein all the components are water-based;
2) directly coating a knife of sizing agent prepared in the step 1) on release paper, and then drying with hot air until the solid content is 30-40% to obtain a semi-dry surface layer;
3) directly attaching the water-based bass to the semi-dry surface layer by using an attaching machine, and then performing hot air drying and cooling:
4) and stripping the release paper to obtain the water-based one-cut clothing leather.
Preferably, the thickness of one-time paste coating in the step 2 is 0.10-0.2 mm, and the temperature of hot air drying in the step 2) is 90-130 ℃; the drying temperature of the hot air in the step 3) is 130-140 ℃.
Preferably, the hot air drying in the step 2) and the step 3) is performed by blowing air from the upper side and the lower side of the release paper for heating; and in the step 2) and the step 3), the release paper is subjected to hot air drying in a horizontal movement state, wherein the horizontal movement speed is 10-25 m/min.
As mentioned above, the one-cut clothing leather and the preparation method thereof have the following beneficial effects:
the water-based one-cut clothing leather obtained by the invention has the advantages of soft hand feeling, good bonding fastness, strong real leather feeling, simple operation, greatly reduced cost especially caused by production after binder is saved, and great competitiveness in the water-based clothing market.
Detailed Description
The invention is further illustrated by the following examples. It should be understood that the examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Table 1 shows the raw material components and the mixture ratio of the aqueous one-cut paste in examples 1-4:
TABLE 1 raw material components of aqueous one-cut paste and their proportions
Example one
A preparation method of water-based one-cut clothing leather comprises the steps of coating water-based one-cut slurry on release paper, drying the slurry to be semi-dry, and then attaching the water-based clothing leather base to obtain the water-based one-cut clothing leather, and the preparation method comprises the following specific steps:
1) adding 100g of KTT737 (synthetic fertilizer department chemical industry) water-based polyurethane resin, 0.4g of TEGO902W defoaming agent, 5g of water-based color paste, 0.5g of TEGO410 hand feeling agent, 1g of TEGO Flow425 flatting agent, 5g of 3099 (Germany Bayer) curing agent and 1g of RHEOLATE208 thickening agent into a mixing container, and stirring and mixing uniformly;
2) directly coating the once pasting slurry prepared in the step 1) on release paper, wherein the once pasting slurry coating thickness is 0.15mm, and drying by hot air until the solid content is 40% to obtain a semi-dry surface layer, wherein the hot air drying temperature is 100 ℃;
3) directly adhering the water-based bass on the semi-dry surface layer by using an adhering machine, and then carrying out hot air drying and cooling at the temperature of 130 DEG C
4) And stripping the release paper to obtain the water-based one-cut clothing leather.
Example two
A preparation method of water-based one-cut clothing leather comprises the steps of coating water-based one-cut slurry on release paper, drying the slurry to be semi-dry, and then attaching the water-based clothing leather base to obtain the water-based one-cut clothing leather, and the preparation method comprises the following specific steps:
1) adding 100g of KTT737 (synthetic fertilizer department chemical industry) water-based polyurethane resin, 0.5g of TEGO902W defoaming agent, 8g of water-based color paste, 0.8g of TEGO410 hand feeling agent, 1.5g of TEGO Flow425 leveling agent, 8g of 3099 (German Bayer) curing agent and 2g of RHEOLATE208 thickening agent into a mixing container, and uniformly stirring and mixing;
2) directly coating the once pasting slurry prepared in the step 1) on release paper, wherein the once pasting slurry coating thickness is 0.15mm, and drying by hot air until the solid content is 40% to obtain a semi-dry surface layer, wherein the hot air drying temperature is 100 ℃;
3) directly adhering the water-based bass on the semi-dry surface layer by using an adhering machine, and then carrying out hot air drying and cooling at the temperature of 130 DEG C
4) And stripping the release paper to obtain the water-based one-cut clothing leather.
EXAMPLE III
A preparation method of water-based one-cut clothing leather comprises the steps of coating water-based one-cut slurry on release paper, drying the slurry to be semi-dry, and then attaching the water-based clothing leather base to obtain the water-based one-cut clothing leather, and the preparation method comprises the following specific steps:
1) adding 100g of KTA703E (synthetic fertilizer department, aerospace chemical industry) waterborne polyurethane resin, 0.4g of BYK-045 defoaming agent, 5g of waterborne color paste, 0.5g of TEGO410 hand feeling agent, 1g of TEGO Flow425 leveling agent, 5g of 3099 (Germany Bayer) curing agent and 1g of RM2020 thickening agent into a mixing container, and uniformly stirring and mixing;
2) directly coating the once pasting slurry prepared in the step 1) on release paper, wherein the once pasting slurry coating thickness is 0.2mm, and drying by hot air until the solid content is 40% to obtain a semi-dry surface layer, wherein the hot air drying temperature is 100 ℃;
3) directly adhering the water-based bass on the semi-dry surface layer by using an adhering machine, and then carrying out hot air drying and cooling at the temperature of 130 DEG C
4) And stripping the release paper to obtain the water-based one-cut clothing leather.
Example four
A preparation method of water-based one-cut clothing leather comprises the steps of coating water-based one-cut slurry on release paper, drying the slurry to be semi-dry, and then attaching the water-based clothing leather base to obtain the water-based one-cut clothing leather, and the preparation method comprises the following specific steps:
1) adding 100g of KTA703E (synthetic fertilizer department, aerospace chemical industry) waterborne polyurethane resin, 0.5g of BYK-045 defoaming agent, 8g of waterborne color paste, 0.8g of TEGO410 hand feeling agent, 1.5g of TEGO Flow425 leveling agent, 8g of 3099 (German Bayer) curing agent and 2g of RM2020 thickening agent into a mixing container, and uniformly stirring and mixing;
2) directly coating the once pasting slurry prepared in the step 1) on release paper, wherein the once pasting slurry coating thickness is 0.2mm, and drying by hot air until the solid content is 40% to obtain a semi-dry surface layer, wherein the hot air drying temperature is 100 ℃;
3) directly adhering the water-based bass on the semi-dry surface layer by using an adhering machine, and then carrying out hot air drying and cooling at the temperature of 130 DEG C
4) And stripping the release paper to obtain the water-based one-cut clothing leather.
And (3) testing results:
the performance parameter tests were performed on the waterborne one-cut garment leathers of examples 1-4, and the results are shown in table 2:
TABLE 2 basic characteristic parameter test results of waterborne one-cut clothing leather
The test results are shown in table 2, and the water-based one-cut clothing leathers prepared in examples 1 to 4 have soft hand feeling; the water-resistant washing agent has good water pressure resistance, and the water pressure resistance after washing is still more than ten thousand; after the water-based dry foaming raincoat leather prepared in the examples 1 to 4 is placed for 30 days at the temperature of 70 ℃ and the relative humidity of 95%, the phenomena of cracking, powdering and the like do not occur in the water-based one-cut clothing leather, and the weather resistance of the water-based one-cut clothing leather prepared in the examples 1 to 4 is good. In addition, the water-based one-cut clothing leather prepared by the invention also has good surface color fastness and folding resistance.
The results of the tests on the application performance parameters of the aqueous one-knife pastes prepared in examples 1 to 4 are shown in Table 3:
TABLE 3 test results of application performance parameters of aqueous one-cut pastes
As can be seen from table 3: in the application of the aqueous once-through coating slurry in the embodiments 1 to 4, the stripping force is relatively large, the stripping force loss of the coated clothing leather after being washed for 5min at 60 ℃ is less than 20%, the stripping force loss of the coated clothing leather after being soaked in 10% NaOH aqueous solution for 18h is less than 20%, the stripping force loss of the coated clothing leather after being placed for 3 weeks at a constant temperature and humidity of 90% at 70 ℃ is less than 30%, and the wear resistance of the coated clothing leather reaches more than 8 ten thousand times, which shows that the clothing leather prepared by the aqueous once-through coating slurry has relatively high strength, good flexibility and relatively high wear resistance.
Therefore, the water-based one-cut clothing leather obtained by the invention has the advantages that on one hand, the flexibility of the prepared clothing leather can be improved, the leather has better hand feeling and good wear resistance, and the use strength can be enhanced; on the other hand, the waterborne polyurethane resin is environment-friendly and nontoxic, can meet the requirement of environmental protection, has strong real leather feeling and simple operation, greatly reduces the production cost particularly after the binder is saved, and has great competitiveness in the waterborne clothing market.
Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The water-based one-cut clothing leather comprises water-based clothing leather bass and is characterized in that: coating a water-based one-cut paste on release paper, drying until the solid content is 30-40%, and then attaching the water-based clothing leather base to obtain water-based one-cut clothing leather; the water-based one-cut paste is prepared by stirring the following raw materials in parts by weight: 100 parts of a first-cut polyurethane resin, 0.3-0.7 part of a defoaming agent, 3-10 parts of color paste, 0.5-1 part of a hand feeling agent, 0.5-1.5 parts of a flatting agent, 3-8 parts of a curing agent and 0.5-2 parts of a thickening agent; and all of the above components are aqueous;
the knife-cut polyurethane resin is aliphatic waterborne polyurethane, and the solid content of the knife-cut polyurethane resin is 35-50%;
the aliphatic aqueous polyurethane resin has a straight-chain or branched-chain or cyclic aliphatic hydrocarbon group of 12 to 36 carbon atoms, or urea group, but does not contain an aromatic hydrocarbon group.
2. The aqueous one-knife garment leather according to claim 1, characterized in that: the thickening agent is one or two of associative polyurethane thickening agent or alkali swelling acrylic acid thickening agent.
3. The aqueous one-knife garment leather according to claim 1, characterized in that: the defoaming agent is any one or more of an organic silicon modified defoaming agent, a polyether modified defoaming agent or a mineral oil-based defoaming agent.
4. The aqueous one-knife garment leather according to claim 1, characterized in that: the leveling agent is any one or two of an organic silicon leveling agent or a mixed acrylic leveling agent.
5. The aqueous one-knife garment leather according to claim 1, characterized in that: the curing agent is any one or two of an organic silicon curing agent or an isocyanate curing agent.
6. The aqueous one-knife garment leather according to claim 1, characterized in that: the hand feeling agent is nonionic organosilicon hand feeling agent.
7. A method for preparing the water-based one-knife clothing leather as claimed in any one of claims 1 to 6, characterized by comprising the following steps:
1) preparing water-based one-cut paste: weighing 100 parts of one-cut-pasted polyurethane resin, 0.3-0.7 part of defoaming agent, 3-10 parts of color paste, 0.5-1 part of hand feeling agent, 0.5-1.5 parts of flatting agent, 3-8 parts of curing agent and 0.5-2 parts of thickening agent, mixing and stirring uniformly, wherein all the components are water-based;
2) directly coating a knife of sizing agent prepared in the step 1) on release paper, and then drying with hot air until the solid content is 30-40% to obtain a semi-dry surface layer;
3) directly attaching the water-based bass to the semi-dry surface layer by using an attaching machine, and then performing hot air drying and cooling:
4) and stripping the release paper to obtain the water-based one-cut clothing leather.
8. The method for preparing aqueous one-knife clothing leather according to claim 7, wherein the method comprises the following steps: the coating thickness of the paste applied in the step 2) is 0.10-0.2 mm, and the hot air drying temperature in the step 2) is 90-130 ℃; the drying temperature of the hot air in the step 3) is 130-140 ℃.
9. The method for preparing aqueous one-knife clothing leather according to claim 7, wherein the method comprises the following steps: the hot air drying in the step 2) and the step 3) is carried out by blowing air from the upper side and the lower side of the release paper for heating; and in the step 2) and the step 3), the release paper is subjected to hot air drying in a horizontal movement state, wherein the horizontal movement speed is 10-25 m/min.
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| JPS4971102A (en) * | 1972-11-20 | 1974-07-10 | ||
| JPS49108203A (en) * | 1973-02-16 | 1974-10-15 |
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| CN100560855C (en) * | 2006-10-27 | 2009-11-18 | 海宁杰玛高科涂层织物有限公司 | A kind of preparation method with high abrasion and fire resistance sofa artificial leather |
| CN102864650B (en) * | 2011-07-08 | 2014-08-20 | 昆山协孚人造皮有限公司 | Manufacturing method of bicolor synthetic leather |
| CN102899911B (en) * | 2011-07-29 | 2015-01-07 | 昆山协孚人造皮有限公司 | Manufacturing method of skin-simulated coke-feeling leather |
| CN102418284B (en) * | 2011-09-02 | 2013-09-11 | 福建宝利特集团有限公司 | Preparation method of water-soluble polyurethane leather beth |
| CN103696273B (en) * | 2013-10-28 | 2015-09-30 | 浙江德美博士达高分子材料有限公司 | A kind of leather manufacture method of the dyeing based on water-based resin and dyeing leather |
| CN106638016B (en) * | 2016-12-12 | 2019-09-13 | 合肥科天水性科技有限责任公司 | A kind of aqueous polyurethane decoration leather and its manufacturing method |
| CN107385949A (en) * | 2017-08-03 | 2017-11-24 | 安徽安利材料科技股份有限公司 | A kind of preparation method of wear-resistant high tear polyurethane in use for shoes synthetic leather |
| CN107904967A (en) * | 2017-12-20 | 2018-04-13 | 昆山协孚新材料股份有限公司 | A kind of composite clothing leather foundation and its production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS4971102A (en) * | 1972-11-20 | 1974-07-10 | ||
| JPS49108203A (en) * | 1973-02-16 | 1974-10-15 |
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