CN104746354A - Method for processing double-sided polyvinyl chloride water-based artificial leather - Google Patents
Method for processing double-sided polyvinyl chloride water-based artificial leather Download PDFInfo
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- CN104746354A CN104746354A CN201510146034.6A CN201510146034A CN104746354A CN 104746354 A CN104746354 A CN 104746354A CN 201510146034 A CN201510146034 A CN 201510146034A CN 104746354 A CN104746354 A CN 104746354A
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Abstract
The invention discloses a method for processing double-sided polyvinyl chloride water-based artificial leather. The method comprises the following specific steps: mixing polyvinyl chloride resin powder, a plasticizer DOTP, 2-3 parts of a stabilizing agent and 4-5 parts of a foaming agent, and uniformly stirring; adding the mixture into an internal mixer and an open mill for plastifying, and compounding the plastified product with the base twice, and forming double-sided leather; and foaming at a low temperature, embossing, and performing water-based coating, thereby obtaining the double-sided polyvinyl chloride water-based artificial leather. The method is easy to operate, the obtained double-sided artificial leather has the characteristics of being stiff, difficult to break, high in elasticity, soft and oil-free on the surface, the surface scratch resistance frequency is over 1200 times, and the artificial leather has high scratch resistance. According to the detection, the tear strength of the double-sided leather is 3-5KG and is far higher than that of the conventional product in the market.
Description
Technical field
The present invention relates to a kind of artificial leather, particularly plant the processing method of double-side type polyvinyl chloride water-based artificial leather.
Background technology
Corium is a kind of natural leather processed by mammal skin, there is pliability good, the feature that gas permeability is strong, and there is comparatively comfortable feel, corium is of a great variety, but it is expensive mostly, requires higher to storage, nursing, therefore should not popularize, and the mankind to kill animal and have also become the extinction of many animals or endangered arch-criminal in order to leather is excessive; Artificial leather is a kind of outward appearance, feel also can replace it to use like leather
plasticsgoods are base usually with fabric, coating
synthetic resinand various plastics interpolation is made, ordinary people's fabricate-leather low price, color is beautiful bright-coloured, numerous in variety, but its comfort level is not as corium, gas permeability, ABRASION RESISTANCE and cold resistance are also poor, be easy to senile abrasion, artificial leather in preparation process more simultaneously uses the organic solvents such as methylformamide DMF, butanone MEK, acetone ACT, toluene TOL, these solvents have certain toxicity, have intense stimulus to human respiratory tract, also can evaporate in external environment along with production, cause the pollution in air, river, be unfavorable for environmental protection.
The production method of current artificial leather mainly contains directly painting method, transfer cladding process, calender lamination method, extrude laminating method etc. four kinds; According to the difference of producing material, artificial leather can be divided into polyvinyl chloride, polyamide, polyurethane, polyolefin etc. according to material difference; Wherein polyvinyl chloride is current the most widely used artificial leather, it can be divided into again single side and double-side type two kinds according to the number of plies of polyvinyl chloride, single side refers to by one deck base cloth and one deck igelite gluing complex bonded to each other, at present with the single side of rolling process manufacture easily fracture relative to double-side type, easily fuel-displaced, feel is poor, easily occur chop line, and tearing strength is also poor, between 0.5-1.5KG; Double-side type then refers to the artificial leather being coated with polyvinyl chloride at base portion upper and lower faces respectively, and common production method is coated with to scrape method, but the two-sided leather not scratch resistance that this production method is produced, surface is also easily fuel-displaced, and feel is stiffening not.Therefore, development tearability is strong, comfort level good, and the artificial leather preparation method of environmentally safe, is this area technical barrier urgently to be resolved hurrily always.
Summary of the invention
For the problems referred to above, the invention provides a kind of method of producing double-side type polyvinyl chloride water-based artificial leather with rolling process, the double-face person's fabricate-leather obtained in this way has characteristic stiffening and not easy to break, and the present invention is achieved in that
A processing method for double-side type polyvinyl chloride water-based artificial leather, concrete steps are as follows:
A (), with parts by weight, by 100 parts of polyvinyl chloride resin powder, plasticizer DOTP 60 parts, heat stabilizer 2-3 part, blowing agent 4-5 part, stirs 5-7min with the speed of 2000rpm after mixing;
B mixture after stirring drops in banbury by (), 100 DEG C of plasticizing 3min, and then drop in mill and continue plasticizing 20 minutes, plasticization temperature is 145-155 DEG C;
(c) mixture after plasticizing is added in four-roll calender be pressed into film and and composite for base fabric, through cooling wheel rolling after cooling, the film compound again again obtained with calender, formation base cloth upper and lower surface all with the structure of thin film compound;
D product is sent into 6 sections of blowing ovens and is carried out low-temp foaming by (), oven temperature is set as respectively: one section 160 degree, two sections 180 degree, three sections 190 degree, four sections 200 degree, five sections 200 degree, six sections 170 degree, and oven line speed is 16 ms/min;
E (), by the product embossing after foaming, rolling after cooling, covers with paint, lacquer, colour wash, etc. at product surface use PU with coating machine, cooling, rolling after covering with paint, lacquer, colour wash, etc., and namely obtains double-side type polyvinyl chloride water-based artificial leather.
Further, in the present invention, polyvinyl chloride resin powder K value described in step a is 75-80.
Further, in the present invention, described heat stabilizer is LF522, and described blowing agent is ADC128.
Further, in the present invention, it is 120-130 DEG C that step e covers with paint, lacquer, colour wash, etc. temperature.
The two-sided artificial leather product that the present invention adopts rolling process to obtain, middle one deck base cloth, base cloth upper and lower surface equal compound one deck polyvinyl chloride film, there is stiffening and not frangibility, good springiness, soft, the feature that surface is not fuel-displaced, surface scratch resistance number of times more than 1200 times, there is good scratch resistance, after testing, this two-sided leather tearing strength reaches 3KG to 5KG, far above the existing product on market, the method technique is simple, convenient operation is implemented, be easy to promote, this product surface is covered with paint, lacquer, colour wash, etc. and is adopted harmless aqueous, environmental protective solvent simultaneously, in process of production, only volatilize steam, to human body, environment is without harm, remain without any toxic substance in finished product, meet the high request both at home and abroad to synthetic leather environmental protection.
Detailed description of the invention
Embodiment 1
A processing method for double-side type polyvinyl chloride water-based artificial leather, concrete steps are as follows:
1, with parts by weight, be 75-80 polyvinyl chloride resin powder, environment-friendlyplasticizer plasticizer DOTP(DOTP by 100 parts of K values) 60 parts, heat stabilizer (LF522) 2-3 part, blowing agent (ADC128) 4-5 part, stir 5-7min with the speed of 2000rpm after mixing;
2, drop in banbury by the mixture after stirring, 100 DEG C of plasticizing 3min, then drop in mill and continue plasticizing 20 minutes, plasticization temperature is 145-155 DEG C;
3, by plasticizing after mixture add in four-roll calender be pressed into film (film thickness 0.13mm) and and composite for base fabric, through cooling wheel rolling after cooling, the film compound again again obtained with calender, formed base cloth upper and lower surface all with the structure of thin film compound;
4, product is sent into 6 sections of blowing ovens and carry out low-temp foaming, oven temperature is set as respectively: one section 160 degree, two sections 180 degree, three sections 190 degree, four sections 200 degree, five sections 200 degree, six sections 170 degree, and oven line speed is 16 ms/min;
5, by the product embossing after foaming, rolling after cooling, cover with paint, lacquer, colour wash, etc. at product surface use PU with coating machine, coating machine temperature is set as that 120-130 DEG C is covered with paint, lacquer, colour wash, etc. rear cooling, rolling, namely obtains double-side type polyvinyl chloride water-based artificial leather.
After testing, the two-sided artificial leather product that the present embodiment obtains, surperficial scratch resistance number of times more than 1200 times, tearing strength is more than or equal to 3.8KG.
Claims (4)
1. a processing method for double-side type polyvinyl chloride water-based artificial leather, it is characterized in that, concrete steps are as follows:
A (), with parts by weight, by 100 parts of polyvinyl chloride resin powder, plasticizer DOTP 60 parts, heat stabilizer 2-3 part, blowing agent 4-5 part, stirs 5-7min with the speed of 2000rpm after mixing;
B mixture after stirring drops in banbury by (), 100 DEG C of plasticizing 3min, and then drop in mill and continue plasticizing 20 minutes, plasticization temperature is 145-155 DEG C;
(c) mixture after plasticizing is added in four-roll calender be pressed into film and and composite for base fabric, through cooling wheel rolling after cooling, the film compound again again obtained with calender, formation base cloth upper and lower surface all with the structure of thin film compound;
D product is sent into 6 sections of blowing ovens and is carried out low-temp foaming by (), oven temperature is set as respectively: one section 160 degree, two sections 180 degree, three sections 190 degree, four sections 200 degree, five sections 200 degree, six sections 170 degree, and oven line speed is 16 ms/min;
E (), by the product embossing after foaming, rolling after cooling, covers with paint, lacquer, colour wash, etc. at product surface use PU with coating machine, cooling, rolling after covering with paint, lacquer, colour wash, etc., and namely obtains double-side type polyvinyl chloride water-based artificial leather.
2. the processing method of double-side type polyvinyl chloride water-based artificial leather according to claim 1, it is characterized in that, polyvinyl chloride resin powder K value described in step a is 75-80.
3. the processing method of double-side type polyvinyl chloride water-based artificial leather according to claim 2, it is characterized in that, described heat stabilizer is LF522, and described blowing agent is ADC128.
4. the processing method of double-side type polyvinyl chloride water-based artificial leather according to claim 3, is characterized in that, it is 120-130 DEG C that step e covers with paint, lacquer, colour wash, etc. temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510146034.6A CN104746354B (en) | 2015-03-31 | 2015-03-31 | A kind of processing method of the aqueous artificial leather of double-side type polyvinyl chloride |
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| CN201510146034.6A CN104746354B (en) | 2015-03-31 | 2015-03-31 | A kind of processing method of the aqueous artificial leather of double-side type polyvinyl chloride |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367990A (en) * | 2016-08-30 | 2017-02-01 | 嘉兴市博尔塑胶有限公司 | Preparation method of polyurethane synthetic leather and prepared polyurethane synthetic leather |
| CN106758274A (en) * | 2016-12-22 | 2017-05-31 | 福建宝利特科技股份有限公司 | The preparation method of two-sided artificial leather and two-sided artificial leather |
| CN109082896A (en) * | 2018-08-28 | 2018-12-25 | 无锡市曼优丽新型复合材料有限公司 | A kind of high light shine color fastness, uvioresistant automobile leather and preparation method thereof |
| CN109457498A (en) * | 2017-09-06 | 2019-03-12 | 南亚塑胶工业股份有限公司 | Method for manufacturing composite rubber material |
| CN111979783A (en) * | 2020-09-08 | 2020-11-24 | 清远市腾翔皮革有限公司 | Environment-friendly PVC double-sided artificial leather processing technology |
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| CN101649559A (en) * | 2009-08-31 | 2010-02-17 | 四川大学 | Energy-saving and emission-reduction method for production line of PVC artificial leather |
| CN103469607A (en) * | 2013-08-23 | 2013-12-25 | 福建宝利特集团有限公司 | Artificial leather and preparation method thereof |
| CN103911873A (en) * | 2013-01-05 | 2014-07-09 | 昆山阿基里斯人造皮有限公司 | Method for manufacturing oilproof polyvinyl chloride artificial leather |
| CN103911870A (en) * | 2013-01-05 | 2014-07-09 | 昆山阿基里斯人造皮有限公司 | Waterproof polyvinyl chloride artificial leather manufacturing method |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101649559A (en) * | 2009-08-31 | 2010-02-17 | 四川大学 | Energy-saving and emission-reduction method for production line of PVC artificial leather |
| CN103911873A (en) * | 2013-01-05 | 2014-07-09 | 昆山阿基里斯人造皮有限公司 | Method for manufacturing oilproof polyvinyl chloride artificial leather |
| CN103911870A (en) * | 2013-01-05 | 2014-07-09 | 昆山阿基里斯人造皮有限公司 | Waterproof polyvinyl chloride artificial leather manufacturing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367990A (en) * | 2016-08-30 | 2017-02-01 | 嘉兴市博尔塑胶有限公司 | Preparation method of polyurethane synthetic leather and prepared polyurethane synthetic leather |
| CN106367990B (en) * | 2016-08-30 | 2018-12-28 | 嘉兴市博尔新材料有限公司 | A kind of preparation method of Synthetic Leather and prepared Synthetic Leather |
| CN106758274A (en) * | 2016-12-22 | 2017-05-31 | 福建宝利特科技股份有限公司 | The preparation method of two-sided artificial leather and two-sided artificial leather |
| CN109457498A (en) * | 2017-09-06 | 2019-03-12 | 南亚塑胶工业股份有限公司 | Method for manufacturing composite rubber material |
| CN109082896A (en) * | 2018-08-28 | 2018-12-25 | 无锡市曼优丽新型复合材料有限公司 | A kind of high light shine color fastness, uvioresistant automobile leather and preparation method thereof |
| CN111979783A (en) * | 2020-09-08 | 2020-11-24 | 清远市腾翔皮革有限公司 | Environment-friendly PVC double-sided artificial leather processing technology |
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