CN103510388B - Manufacturing method for vintage washable leather - Google Patents
Manufacturing method for vintage washable leather Download PDFInfo
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- CN103510388B CN103510388B CN201210206779.3A CN201210206779A CN103510388B CN 103510388 B CN103510388 B CN 103510388B CN 201210206779 A CN201210206779 A CN 201210206779A CN 103510388 B CN103510388 B CN 103510388B
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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 one imitates old washable leather preparation method.
Background technology
Traditional artificial leather is base cloth layer, wet method bass layer and dry method overlay coating composition, makes artificial leather entirety shrivelled, stiff, and surface color is consistent, gives inflexible sensation, is difficult to meet and the demand of the costume design in modern times.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of imitative old washable leather preparation method, this imitative old washable leather preparation method technique is simple, and the product level sense of producing is given prominence to, and has imitative old effect.
The present invention in order to the technical scheme solving its technical problem and adopt is: a kind of imitative old washable leather preparation method, and concrete steps are as follows:
Step one: wet-mixing is prepared burden:
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 fully swelling 30 ~ 40 minutes, then add the mixture filtered in step a and stir stand-by;
C. 100 parts of polyurethane wet resins are joined in the mixture that step b formed, stir 30 ~ 40 minutes, deaeration 40 ~ 50 minutes;
Step 2: wet method bass is produced:
Being coated with by the slurry that in step one, deaeration has been formed scrapes on woven fabric fiber, immersing mass percentage concentration is again solidify in the dimethylformamide in water of 18 ~ 22%, then through at least one squezzing operation, more a kind of wet method bass after carrying out washing and drying, is obtained;
Step 3: dry mixed is prepared burden:
By high-speed stirred after the mixing of 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, mixing time 10 ~ 15 minutes is to stirring;
Step 4: dry method veneer:
Being coated with by the dry method slurry prepared in step 3 scrapes in forming dry method veneer with in the release liners of flower pattern, then by adhesive be adhered on dry method veneer under the condition of 90 ~ 110 DEG C in temperature by the wet method bass in step 2, be separated through super-dry heel release liners;
Step 5: aqueous polyurethane is prepared burden:
By even to 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, mixing time 40 ~ 60 minutes, filters stand-by;
Step 6: tint:
The slurry of step 5 is coated with the surface scraping dry method veneer in step 4, then dries under 100 ~ 130 DEG C of conditions, obtain a kind of semi-finished product;
Step 7: washing:
After the semi-finished product of step 6 are made clothes, be put in the boarding machine that 40 ~ 60 DEG C of water are housed, add the edible soda ash that mass percent concentration is 0.3 ~ 0.5%, wash 15 ~ 30 minutes, wash 1 ~ 2 time post-drying with clear water again, bake out temperature is 70-90 DEG C, 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, the mixed liquor of 240 order nylon wires to dimethyl formamide and mill base is used to filter in described step a;
B. by 100 ~ 120 parts of dimethyl formamides and 20 ~ 30 parts of wood powder mix and blends 30 minutes, then fully swelling 35 minutes, then add the mixture filtered in step a and stir stand-by;
C. 100 parts of polyurethane wet resins are joined in the mixture that step b formed, 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 scrapes colored slurry by being coated with on dry method overlay coating surface, then by alkalescence washing, synthetic leather stereovision being given prominence to, there is imitative old effect, meet Aesthetical Viewpoint on Modern Fashion Design theory.
Detailed description of the invention
Embodiment: a kind of imitative old washable leather preparation method, concrete steps are as follows:
Step one: wet-mixing is prepared burden:
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 fully swelling 30 ~ 40 minutes, then add the mixture filtered in step a and stir stand-by;
C. 100 parts of polyurethane wet resins are joined in the mixture that step b formed, stir 30 ~ 40 minutes, deaeration 40 ~ 50 minutes;
Step 2: wet method bass is produced:
Being coated with by the slurry that in step one, deaeration has been formed scrapes on woven fabric fiber, immersing mass percentage concentration is again solidify in the dimethylformamide in water of 18 ~ 22%, then through at least one squezzing operation, more a kind of wet method bass after carrying out washing and drying, is obtained;
Step 3: dry mixed is prepared burden:
By high-speed stirred after the mixing of 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, mixing time 10 ~ 15 minutes is to stirring;
Step 4: dry method veneer:
Being coated with by the dry method slurry prepared in step 3 scrapes in forming dry method veneer with in the release liners of flower pattern, then by adhesive be adhered on dry method veneer under the condition of 90 ~ 110 DEG C in temperature by the wet method bass in step 2, be separated through super-dry heel release liners;
Step 5: aqueous polyurethane is prepared burden:
By even to 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, mixing time 40 ~ 60 minutes, filters stand-by;
Step 6: tint:
The slurry of step 5 is coated with the surface scraping dry method veneer in step 4, then dries under 100 ~ 130 DEG C of conditions, obtain a kind of semi-finished product;
Step 7: washing:
After the semi-finished product of step 6 are made clothes, be put in the boarding machine that 40 ~ 60 DEG C of water are housed, add the edible soda ash that mass percent concentration is 0.3 ~ 0.5%, wash 15 ~ 30 minutes, wash 1 ~ 2 time post-drying with clear water again, bake out temperature is 70-90 DEG C, is finished product.
Dimethyl formamide and mill base high-speed stirred 90 minutes in described step a.
The mixed liquor of 240 order nylon wires to dimethyl formamide and mill base is used to filter in described step a;
B. by 100 ~ 120 parts of dimethyl formamides and 20 ~ 30 parts of wood powder mix and blends 30 minutes, then fully swelling 35 minutes, then add the mixture filtered in step a and stir stand-by;
C. 100 parts of polyurethane wet resins are joined in the mixture that step b formed, 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. an imitative old washable leather preparation method, is characterized in that: concrete steps are as follows:
Step one: wet-mixing is prepared burden:
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 fully swelling 30 ~ 40 minutes, then add the mixture filtered in step a and stir stand-by;
C. 100 parts of polyurethane wet resins are joined in the mixture that step b formed, stir 30 ~ 40 minutes, deaeration 40 ~ 50 minutes;
Step 2: wet method bass is produced:
Being coated with by the slurry that in step one, deaeration has been formed scrapes on woven fabric fiber, immersing mass percentage concentration is again solidify in the dimethylformamide in water of 18 ~ 22%, then through at least one squezzing operation, more a kind of wet method bass after carrying out washing and drying, is obtained;
Step 3: dry mixed is prepared burden:
By high-speed stirred after the mixing of 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, mixing time 10 ~ 15 minutes is to stirring;
Step 4: dry method veneer:
Being coated with by the dry method slurry prepared in step 3 scrapes in forming dry method veneer with in the release liners of flower pattern, then by adhesive be adhered on dry method veneer under the condition of 90 ~ 110 DEG C in temperature by the wet method bass in step 2, be separated through super-dry heel release liners;
Step 5: aqueous polyurethane is prepared burden:
By even to 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, mixing time 40 ~ 60 minutes, filters stand-by;
Step 6: tint:
The slurry of step 5 is coated with the surface scraping dry method veneer in step 4, then dries under 100 ~ 130 DEG C of conditions, obtain a kind of semi-finished product;
Step 7: washing:
After the semi-finished product of step 6 are made clothes, be put in the boarding machine that 40 ~ 60 DEG C of water are housed, add the edible soda ash that mass percent concentration is 0.3 ~ 0.5%, wash 15 ~ 30 minutes, wash 1 ~ 2 time post-drying with clear water again, bake out temperature is 70-90 DEG C, is finished product.
2. imitative old washable leather preparation method according to claim 1, is characterized in that: dimethyl formamide and mill base high-speed stirred 90 minutes in described step a.
3. imitative old washable leather preparation method according to claim 1, is characterized in that: use the mixed liquor of 240 order nylon wires to dimethyl formamide and mill base to filter in described step a;
B. by 100 ~ 120 parts of dimethyl formamides and 20 ~ 30 parts of wood powder mix and blends 30 minutes, then fully swelling 35 minutes, then add the mixture filtered in step a and stir stand-by;
C. 100 parts of polyurethane wet resins are joined in the mixture that step b formed, stir 40 minutes, deaeration 45 minutes.
4. imitative old washable 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210206779.3A CN103510388B (en) | 2012-06-21 | 2012-06-21 | Manufacturing method for vintage washable leather |
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| CN201210206779.3A CN103510388B (en) | 2012-06-21 | 2012-06-21 | Manufacturing method for vintage washable leather |
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| CN103510388A CN103510388A (en) | 2014-01-15 |
| CN103510388B true CN103510388B (en) | 2015-06-17 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
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 |
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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》.《人造革与合成革》.1998,第383-384页. * |
| 曲建波等.《合成革工艺学》.《合成革工艺学》.2010,第277-284,286-289页. * |
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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 |