CN103510388A - Manufacturing method for vintage washable leather - Google Patents
Manufacturing method for vintage washable leather Download PDFInfo
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- CN103510388A CN103510388A CN201210206779.3A CN201210206779A CN103510388A CN 103510388 A CN103510388 A CN 103510388A CN 201210206779 A CN201210206779 A CN 201210206779A CN 103510388 A CN103510388 A CN 103510388A
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Abstract
The invention discloses a manufacturing method for vintage washable leather. The manufacturing method comprises the following steps: uniformly mixing 5 to 10 parts of dimethyl formamide and 0.5 to 2 parts of color paste, subjecting 100 to 120 parts of dimethyl formamide and 20 to 30 parts of wood powder to mixing and swelling, adding an obtained product into the mixture of dimethyl formamide and color paste, then adding 100 parts of a polyurethane wet-process resin and then carrying out deaeration; coating textile fibers with the slurry obtained in the previous step and carrying out solidification, squeezing, washing and drying so as to obtain wet-process Bass; and mixing 100 parts of a polyurethane dry-process resin, 15 to 20 parts of dimethyl formamide, 15 to 20 parts of butanone, 15 to 20 parts of toluene, 0.5 to 1.0 part of an auxiliary agent and 3 to 5 parts of toner, coating release paper with obtained slurry so as to obtain a dry-process veneer, pasting the dry-process veneer and the wet-process Bass together, uniformly mixing 100 parts of a waterborne polyurethane resin, 8 to 12 parts of color paste, 0.3 to 0.5 part of an auxiliary agent and 20 to 30 parts of deionized water, coating the dry-process veneer with obtained slurry, carrying out drying to prepare a piece of clothes and then carrying out texture kneading, washing and drying. The synthetic leather prepared by using the method is strikingly layered and has a vintage effect.
Description
Technical field
The present invention relates to a kind of artificial leather preparation method, particularly a kind of imitative old washing leather preparation method.
Background technology
Traditional artificial leather is that base cloth layer, wet method bass layer and dry method overlay coating form, and makes artificial leather integral body shrivelled, stiff, and surface color is consistent, gives inflexible sensation, is difficult to the demand of satisfied and modern costume design.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of imitative old washing leather preparation method, this imitative old washing leather preparation method technique is simple, and the product level sense of producing is outstanding, has imitative old effect.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of imitative old washing leather preparation method, and concrete steps are as follows:
Step 1: wet-mixing batching:
A. by 5～10 parts of dimethyl formamides and 0.5～2 part of mill base high-speed stirred 80～100 minutes, then filter stand-by;
B. by 100～120 parts of dimethyl formamides and 20～30 parts of wood powder mix and blends 20～30 minutes, then abundant swelling 30～40 minutes, then adds the mixture having filtered in step a to stir stand-by;
C. 100 parts of polyurethane wet method resins are joined in the mixture that step b forms, stir 30～40 minutes, deaeration 40～50 minutes;
Step 2: wet method bass is produced:
The slurry that in step 1, deaeration has formed is coated with and is scraped on woven fabric fiber, immerse again mass percentage concentration and be in 18～22% the dimethyl formamide aqueous solution and solidify, then through at least one squezzing operation, then after washing and being dried, obtain a kind of wet method bass;
Step 3: dry mixed batching:
High-speed stirred after 100 parts of polyurethane dry method resins, 15～20 parts of dimethyl formamides, 15～20 parts of butanone, 15～20 parts of toluene, 0.5～1.0 part of auxiliary agent and 3～5 parts of toners are mixed, mixing time 10～15 minutes is to stirring;
Step 4: dry method veneer:
The dry method slurry preparing in step 3 is coated with to scrape in the release liners with flower type and forms dry method veneer, then by adhesive, by the wet method bass in step 2, in temperature, be to be adhered on dry method veneer under the condition of 90～110 ℃, separated through super-dry heel release liners;
Step 5: aqueous polyurethane batching:
100 parts of waterborne polyurethane resins, 8～12 parts of mill bases, 0.3～0.5 part of auxiliary agent and 20～30 parts of deionized water high-speed stirred are even, and mixing time 40～60 minutes, filters stand-by;
Step 6: tint:
The slurry of step 5 is coated with to the surface that scrapes dry method veneer in step 4, then under 100～130 ℃ of conditions, dries, obtain a kind of semi-finished product;
Step 7: washing:
The semi-finished product of step 6 are made after clothes, be put in the boarding machine that 40～60 ℃ of water are housed, adding mass percent concentration is 0.3～0.5% edible soda ash, wash 15～30 minutes, with clear water, wash post-drying 1～2 time again, bake out temperature is 70-90 ℃, is finished product.
As a further improvement on the present invention, dimethyl formamide and mill base high-speed stirred 90 minutes in described step a.
As a further improvement on the present invention, in described step a, use 240 order nylon wires to filter the mixed liquor of dimethyl formamide and mill base;
B. by 100～120 parts of dimethyl formamides and 20～30 parts of wood powder mix and blends 30 minutes, then abundant swelling 35 minutes, then adds the mixture having filtered in step a to stir stand-by;
C. 100 parts of polyurethane wet method resins are joined in the mixture that step b forms, stir 40 minutes, deaeration 45 minutes;
As a further improvement on the present invention, the speed of a motor vehicle of described step 2 is at 18-20 rice/min, and the speed of a motor vehicle of step 4 is at 20-25 rice/min, and the speed of a motor vehicle in step 6 is 10-15 rice/min.
The invention has the beneficial effects as follows: the present invention, by being coated with and scraping colored slurry on dry method overlay coating surface, then washes by alkalescence, make synthetic leather stereovision outstanding, there is imitative old effect, meet Aesthetical Viewpoint on Modern Fashion Design theory.
The specific embodiment
Embodiment: a kind of imitative old washing leather preparation method, concrete steps are as follows:
Step 1: wet-mixing batching:
A. by 5～10 parts of dimethyl formamides and 0.5～2 part of mill base high-speed stirred 80～100 minutes, then filter stand-by;
B. by 100～120 parts of dimethyl formamides and 20～30 parts of wood powder mix and blends 20～30 minutes, then abundant swelling 30～40 minutes, then adds the mixture having filtered in step a to stir stand-by;
C. 100 parts of polyurethane wet method resins are joined in the mixture that step b forms, stir 30～40 minutes, deaeration 40～50 minutes;
Step 2: wet method bass is produced:
The slurry that in step 1, deaeration has formed is coated with and is scraped on woven fabric fiber, immerse again mass percentage concentration and be in 18～22% the dimethyl formamide aqueous solution and solidify, then through at least one squezzing operation, then after washing and being dried, obtain a kind of wet method bass;
Step 3: dry mixed batching:
High-speed stirred after 100 parts of polyurethane dry method resins, 15～20 parts of dimethyl formamides, 15～20 parts of butanone, 15～20 parts of toluene, 0.5～1.0 part of auxiliary agent and 3～5 parts of toners are mixed, mixing time 10～15 minutes is to stirring;
Step 4: dry method veneer:
The dry method slurry preparing in step 3 is coated with to scrape in the release liners with flower type and forms dry method veneer, then by adhesive, by the wet method bass in step 2, in temperature, be to be adhered on dry method veneer under the condition of 90～110 ℃, separated through super-dry heel release liners;
Step 5: aqueous polyurethane batching:
100 parts of waterborne polyurethane resins, 8～12 parts of mill bases, 0.3～0.5 part of auxiliary agent and 20～30 parts of deionized water high-speed stirred are even, and mixing time 40～60 minutes, filters stand-by;
Step 6: tint:
The slurry of step 5 is coated with to the surface that scrapes dry method veneer in step 4, then under 100～130 ℃ of conditions, dries, obtain a kind of semi-finished product;
Step 7: washing:
The semi-finished product of step 6 are made after clothes, be put in the boarding machine that 40～60 ℃ of water are housed, adding mass percent concentration is 0.3～0.5% edible soda ash, wash 15～30 minutes, with clear water, wash post-drying 1～2 time again, bake out temperature is 70-90 ℃, is finished product.
In described step a, dimethyl formamide and mill base high-speed stirred are 90 minutes.
In described step a, use 240 order nylon wires to filter the mixed liquor of dimethyl formamide and mill base;
B. by 100～120 parts of dimethyl formamides and 20～30 parts of wood powder mix and blends 30 minutes, then abundant swelling 35 minutes, then adds the mixture having filtered in step a to stir stand-by;
C. 100 parts of polyurethane wet method resins are joined in the mixture that step b forms, stir 40 minutes, deaeration 45 minutes;
The speed of a motor vehicle of described step 2 is at 18-20 rice/min, and the speed of a motor vehicle of step 4 is at 20-25 rice/min, and the speed of a motor vehicle in step 6 is 10-15 rice/min.
Claims (4)
1. a preparation method is removed from office in imitative old washing, it is characterized in that: concrete steps are as follows:
Step 1: wet-mixing batching:
A. by 5～10 parts of dimethyl formamides and 0.5～2 part of mill base high-speed stirred 80～100 minutes, then filter stand-by;
B. by 100～120 parts of dimethyl formamides and 20～30 parts of wood powder mix and blends 20～30 minutes, then abundant swelling 30～40 minutes, then adds the mixture having filtered in step a to stir stand-by;
C. 100 parts of polyurethane wet method resins are joined in the mixture that step b forms, stir 30～40 minutes, deaeration 40～50 minutes;
Step 2: wet method bass is produced:
The slurry that in step 1, deaeration has formed is coated with and is scraped on woven fabric fiber, immerse again mass percentage concentration and be in 18～22% the dimethyl formamide aqueous solution and solidify, then through at least one squezzing operation, then after washing and being dried, obtain a kind of wet method bass;
Step 3: dry mixed batching:
High-speed stirred after 100 parts of polyurethane dry method resins, 15～20 parts of dimethyl formamides, 15～20 parts of butanone, 15～20 parts of toluene, 0.5～1.0 part of auxiliary agent and 3～5 parts of toners are mixed, mixing time 10～15 minutes is to stirring;
Step 4: dry method veneer:
The dry method slurry preparing in step 3 is coated with to scrape in the release liners with flower type and forms dry method veneer, then by adhesive, by the wet method bass in step 2, in temperature, be to be adhered on dry method veneer under the condition of 90～110 ℃, separated through super-dry heel release liners;
Step 5: aqueous polyurethane batching:
100 parts of waterborne polyurethane resins, 8～12 parts of mill bases, 0.3～0.5 part of auxiliary agent and 20～30 parts of deionized water high-speed stirred are even, and mixing time 40～60 minutes, filters stand-by;
Step 6: tint:
The slurry of step 5 is coated with to the surface that scrapes dry method veneer in step 4, then under 100～130 ℃ of conditions, dries, obtain a kind of semi-finished product;
Step 7: washing:
The semi-finished product of step 6 are made after clothes, be put in the boarding machine that 40～60 ℃ of water are housed, adding mass percent concentration is 0.3～0.5% edible soda ash, wash 15～30 minutes, with clear water, wash post-drying 1～2 time again, bake out temperature is 70-90 ℃, is finished product.
2. imitative old washing leather preparation method according to claim 1, is characterized in that: in described step a, dimethyl formamide and mill base high-speed stirred are 90 minutes.
3. imitative old washing leather preparation method according to claim 1, is characterized in that: in described step a, use 240 order nylon wires to filter the mixed liquor of dimethyl formamide and mill base;
B. by 100～120 parts of dimethyl formamides and 20～30 parts of wood powder mix and blends 30 minutes, then abundant swelling 35 minutes, then adds the mixture having filtered in step a to stir stand-by;
C. 100 parts of polyurethane wet method resins are joined in the mixture that step b forms, stir 40 minutes, deaeration 45 minutes.
4. imitative old washing leather preparation method according to claim 1, is characterized in that: the speed of a motor vehicle of described step 2 is at 18-20 rice/min, and the speed of a motor vehicle of step 4 is at 20-25 rice/min, and the speed of a motor vehicle in step 6 is 10-15 rice/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206779.3A CN103510388B (en) | 2012-06-21 | 2012-06-21 | Manufacturing method for vintage washable leather |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206779.3A CN103510388B (en) | 2012-06-21 | 2012-06-21 | Manufacturing method for vintage washable leather |
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| CN103510388A true CN103510388A (en) | 2014-01-15 |
| CN103510388B CN103510388B (en) | 2015-06-17 |
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| CN201210206779.3A Active CN103510388B (en) | 2012-06-21 | 2012-06-21 | Manufacturing method for vintage washable leather |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239513A (en) * | 2018-01-23 | 2018-07-03 | 陕西科技大学 | A kind of use for synthetic leather high-performance water-based polyurethane adhesive preparation method and application |
| CN110670374A (en) * | 2019-09-19 | 2020-01-10 | 昆山协孚新材料股份有限公司 | Preparation process of ecological synthetic leather for water-based super-soft clothes |
Citations (3)
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|---|---|---|---|---|
| CN101525846A (en) * | 2009-03-27 | 2009-09-09 | 福建兰峰制革有限公司 | Method for producing crease-free leathers |
| CN101545212A (en) * | 2009-04-30 | 2009-09-30 | 江苏东泰聚合材料有限公司 | Hydrolysis resistance chemical leather and manufacturing method thereof |
| CN101748613A (en) * | 2009-12-18 | 2010-06-23 | 安徽安利合成革股份有限公司 | Method for producing real leather intimating polyurethane synthetic leather |
-
2012
- 2012-06-21 CN CN201210206779.3A patent/CN103510388B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525846A (en) * | 2009-03-27 | 2009-09-09 | 福建兰峰制革有限公司 | Method for producing crease-free leathers |
| CN101545212A (en) * | 2009-04-30 | 2009-09-30 | 江苏东泰聚合材料有限公司 | Hydrolysis resistance chemical leather and manufacturing method thereof |
| CN101748613A (en) * | 2009-12-18 | 2010-06-23 | 安徽安利合成革股份有限公司 | Method for producing real leather intimating polyurethane synthetic leather |
Non-Patent Citations (2)
| Title |
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| 丁双山等: "《人造革与合成革》", 30 April 1998 * |
| 曲建波等: "《合成革工艺学》", 31 May 2010 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239513A (en) * | 2018-01-23 | 2018-07-03 | 陕西科技大学 | A kind of use for synthetic leather high-performance water-based polyurethane adhesive preparation method and application |
| CN110670374A (en) * | 2019-09-19 | 2020-01-10 | 昆山协孚新材料股份有限公司 | Preparation process of ecological synthetic leather for water-based super-soft clothes |
| CN110670374B (en) * | 2019-09-19 | 2022-10-11 | 江苏协孚新材料科技有限公司 | Preparation process of ecological synthetic leather for water-based super-soft clothes |
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| CN103510388B (en) | 2015-06-17 |
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Effective date of registration: 20160412 Address after: Suzhou City, Jiangsu province 215300 Yushan town Kunshan City Yuhe Road No. 111 Patentee after: Kunshan Fu Xin new material Limited by Share Ltd Address before: Suzhou City, Jiangsu province 215300 Yushan town Kunshan City Yuhe Road No. 111 Patentee before: Kunshan Xie Run leatheret Co., Ltd |