CN102995445A - Diatomite modified polyvinyl chloride synthetic leather and manufacturing method thereof - Google Patents
Diatomite modified polyvinyl chloride synthetic leather and manufacturing method thereof Download PDFInfo
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- CN102995445A CN102995445A CN2012104064889A CN201210406488A CN102995445A CN 102995445 A CN102995445 A CN 102995445A CN 2012104064889 A CN2012104064889 A CN 2012104064889A CN 201210406488 A CN201210406488 A CN 201210406488A CN 102995445 A CN102995445 A CN 102995445A
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Abstract
The invention discloses diatomite modified polyvinyl chloride synthetic leather. The diatomite modified polyvinyl chloride synthetic leather comprises a surface layer, a foaming layer, a bonding layer and a brushing fabric and is characterized in that the surface layer is manufactured by blending the following raw materials in parts by weight into slurry: 40-50 parts of SG-1 type PVC (Polyvinyl Chloride) resin, 70-80 parts of SG-6 type PVC resin, 15-20 parts of sebacic acid propylene glycol polyester, 10-15 parts of acetyl triethyl citrate, 20-25 parts of di-n-butyl maleate, 5-6 parts of PVC color paste, 1-2 parts of imarcaptoacetate dioctyltin, 1-2 parts of dibasic lead phosphate, 1-2 parts of zinc stearate, 5-10 parts of nanometer calcium carbonate and 15-20 parts of modified attapulgite. Through an improvement of a formula and a technology, the flexibility of the synthetic leather is increased, and the diatomite modified polyvinyl chloride synthetic leather has the natural comfortable hand feel similar to that of natural leather and is not easily damaged or torn.
Description
Technical field
The invention belongs to a kind of chemical synthesis leather facing material processing technique field, specifically a kind of polyvinyl chloride synthetic leather and manufacture method thereof of diatomite modified.
Background technology
At present, the field of furniture such as commercial family property and family expenses family property extensively adopts the polyvinyl chloride synthetic leather of polyurethane and diatomite modified.Synthetic Leather has the advantages such as emulation height, good hand touch, obtains the extensive favor in market.Yet a large amount of the use has certain toxicity and volatile DMF solvent in its manufacture process, even also can have abundant residues through sufficient dry DMF, becomes the source that room air VOC exceeds standard and pollutes; Simultaneously, Synthetic Leather is because the problems such as hydrolysis, weatherability deficiency have limited its further extensive use.The polyvinyl chloride synthetic leather of diatomite modified has excellent hydrolysis, wear-resisting, scratch resistance, the advantage such as fire-retardant, but the product quality existing problems.
Summary of the invention
The object of the present invention is to provide a kind of polyvinyl chloride synthetic leather and manufacture method thereof of diatomite modified, the synthetic leather good product quality of production.
Purpose of the present invention can be achieved through the following technical solutions:
The polyvinyl chloride synthetic leather of diatomite modified comprises surface layer, foaming layer and adhesive linkage, nylon loop, it is characterized in that:
Described surface layer is made into slurry by following raw materials in part by weight and makes:
SG-1 type polyvinyl chloride resin 40-50, SG-6 type polyvinyl chloride resin 70-80, decanedioic acid propanediol polyester 15-20, acetyl triethyl citrate 10-15, dibutyl maleate 20-25, PVC color 5-6, Imarcaptoacetate dioctyltin 1-2, dibasic lead phosphite 1-2, zinc stearate 1-2, nano-calcium carbonate 5-10, attapulgite modified 15-20, carbon black N220 10-15, the fast carbon black N660 30-35 that extrudes, Di(dioctylpyrophosphato) ethylene titanate 1-2, irgasfos 168 0.5-1,3-aminopropyl trimethoxysilane 1-2, crosslinking agent TAC 0.5-1, Silane coupling agent KH550 1-2, protein powder 3-4;
Described foaming layer is made into slurry by following raw materials in part by weight and makes:
SG-1 type polyvinyl chloride resin 40-50, SG-4 type polyvinyl chloride resin 70-80, SG-7 type polyvinyl chloride resin 30-40, acetyl triethyl citrate 30-35, dibutyl maleate 40-45, Celogen Az 1-2, benzene sulfonyl hydrazide 1-2, blowing agent (461DU40) 1-2, sodium sulfate of polyethenoxy ether of fatty alcohol 1-2, modified alta-mud 50-60, nanometer potter's clay 30-40, carbon black N220 10-15, isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters 1-2, antioxidant 1035 2-3;
Described attapulgite modified by the following method preparation:
With attapulgite at 750-800 ℃ of lower roasting 4-5 hour, after put into the 10-15% hydrochloric acid solution and soak after 3-4 hour, pull out, dry to moisture 2-3%, add the dibutyl maleate of titanate coupling agent TMC-TTS, the 3-4% of the nano-carbon powder be equivalent to its weight 5-8%, 3-4%, the calcium stearate of 3-4%, mix, stirred 30-50 minute oven dry, pulverize at 60-70 ℃ of lower 3500-4000 rev/min;
Described modified alta-mud prepares by the following method:
(1) bentonite is used 10-15% salt acid soak 3-4 hour, and the deionized water washing was soaked 3-4 hour with the 10-12% sodium hydroxide solution again, and is extremely neutral with the deionized water washing again, oven dry;
(2) add the sldium lauryl sulfate of the sodium phosphate trimer be equivalent to its weight 3-5%, 3-5% aluminium hydroxide, 2-3% in the oven dry bentonite, 60-70 ℃ of lower the stirring 40-50 minute, dry, be ground into powder.
The manufacture method of the polyvinyl chloride synthetic leather of described diatomite modified is characterized in that adopting release liners knife coating technique:
(1), stir after the surface layer raw material mixed, mixing speed is 1200-1500 rev/min, and mixing time is 1-2 hour, filters to get surface layer slurry,
(2), then release liners is preheated to 60-70 ℃, with surface layer slurry with 150-200g/m
2The blade coating amount be coated with and scrape the release liners surface, 160-165 ℃ of lower plasticizing film forming;
(3), stir after will the foaming layer slurry mixing, mixing speed is 1200-1500 rev/min, filters to get the foaming layer slurry;
(4), the foaming layer slurry is coated on the surface layer, under 160-180 ℃, foam;
(5), re-use the aqueous polyurethane slurry and as adhesive linkage foaming layer and nylon loop fitted, binding temperature is 120-130 ℃, peels off at last rolling.
Beneficial effect of the present invention:
(1), the present invention is by prescription and process modification, increased the pliability of synthetic leather, have to be similar to the naturally comfortable feel that natural leather has; 3-5 is not easy breakage or tears damage.
(2), adopt aqueous polyurethane coating, can keep permanent and higher firmness.
(3), protein powder, attapulgite modified, modified alta-mud have preferably thoroughly vapour moisture absorption conductibility, so that synthetic leather of the present invention is realized the needs of good ventilative moisture absorbing.
(4), synthetic leather of the present invention, all surpass the standard of similar environment-friendly type artificial leather on the market in feel, outward appearance and comfort level, reach respective standard in physics, chemical property, also can be by various strict environmental protection barriers tests.
The specific embodiment
A kind of polyvinyl chloride synthetic leather of diatomite modified comprises surface layer, foaming layer and adhesive linkage, nylon loop,
Described surface layer is made into slurry and is made by following weight portion (kilogram) raw material:
SG-1 type polyvinyl chloride resin 40, SG-6 type polyvinyl chloride resin 70, decanedioic acid propanediol polyester 15, acetyl triethyl citrate 10, dibutyl maleate 25, PVC color 6, Imarcaptoacetate dioctyltin 2, dibasic lead phosphite 1, zinc stearate 1, nano-calcium carbonate 10, attapulgite modified 15, carbon black N220 15, the fast carbon black N660 35 that extrudes, Di(dioctylpyrophosphato) ethylene titanate 1, irgasfos 168 0.5,3-aminopropyl trimethoxysilane 2, crosslinking agent TAC 0.5, Silane coupling agent KH550 2, protein powder 4;
Described foaming layer is made into slurry and is made by following weight portion (kilogram) raw material:
SG-1 type polyvinyl chloride resin 50, SG-4 type polyvinyl chloride resin 80, SG-7 type polyvinyl chloride resin 40, acetyl triethyl citrate 35, dibutyl maleate 45, Celogen Az 2, benzene sulfonyl hydrazide 2, blowing agent (461DU40) 1, sodium sulfate of polyethenoxy ether of fatty alcohol 1, modified alta-mud 60,, nanometer potter's clay 40, carbon black N220 10, isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters 1, antioxidant 1,035 2;
Described attapulgite modified by the following method preparation:
With attapulgite at 780-800 ℃ of lower roasting 4-5 hour, after put into 12% hydrochloric acid solution and soak after 3 hours, pull out, dry to moisture 2-3%, add and be equivalent to the nano-carbon powder of its weight 5%, 4% titanate coupling agent TMC-TTS, 3% dibutyl maleate, 4% calcium stearate, mix, stirred 30-40 minute oven dry, pulverize at 60-70 ℃ of lower 3500-4000 rev/min;
Described modified alta-mud prepares by the following method:
(1) bentonite was with 12% salt acid soak 3 hours, and the deionized water washing was soaked 3 hours with 10% sodium hydroxide solution again, again with the deionized water washing to neutral, dry;
(2) add the sodium phosphate trimer be equivalent to its weight 5%, 3% aluminium hydroxide, 2% sldium lauryl sulfate in the oven dry bentonite, 60-70 ℃ of lower the stirring 40-50 minute, dry, be ground into powder.
The described gloves manufacture method of polyvinyl chloride synthetic leather, adopt release liners knife coating technique:
(1), stir after the surface layer raw material mixed, mixing speed is 1200-1500 rev/min, and mixing time is 1-2 hour, filters to get surface layer slurry,
(2), then release liners is preheated to 60-70 ℃, with surface layer slurry with 180g/m
2The blade coating amount be coated with and scrape the release liners surface, 160-165 ℃ of lower plasticizing film forming;
(3), stir after will the foaming layer slurry mixing, mixing speed is 1200-1500 rev/min, filters to get the foaming layer slurry;
(4), the foaming layer slurry is coated on the surface layer, under 175-180 ℃, foam;
(5), re-use the aqueous polyurethane slurry and as adhesive linkage foaming layer and nylon loop fitted, binding temperature is 120-130 ℃, peels off at last rolling.
Synthetic leather physical and chemical performance of the present invention is as follows:
Stretch breaking strength/broadwise stretch breaking strength radially〉400N/3CM, directly/and filling-tear resistance〉25N ,-10 ℃ of low temperature flexibility can reach anti-tortuous 30,000 times, and degradation does not ftracture, and has ventilative and hygroscopicity; Harmful element is detected, can pass through REACH46 item environmental protection test.
Claims (2)
1. the polyvinyl chloride synthetic leather of a diatomite modified comprises surface layer, foaming layer and adhesive linkage, nylon loop, it is characterized in that:
Described surface layer is made into slurry by following raw materials in part by weight and makes:
SG-1 type polyvinyl chloride resin 40-50, SG-6 type polyvinyl chloride resin 70-80, decanedioic acid propanediol polyester 15-20, acetyl triethyl citrate 10-15, dibutyl maleate 20-25, PVC color 5-6, Imarcaptoacetate dioctyltin 1-2, dibasic lead phosphite 1-2, zinc stearate 1-2, nano-calcium carbonate 5-10, attapulgite modified 15-20, carbon black N220 10-15, the fast carbon black N660 30-35 that extrudes, Di(dioctylpyrophosphato) ethylene titanate 1-2, irgasfos 168 0.5-1,3-aminopropyl trimethoxysilane 1-2, crosslinking agent TAC 0.5-1, Silane coupling agent KH550 1-2, protein powder 3-4;
Described foaming layer is made into slurry by following raw materials in part by weight and makes:
SG-1 type polyvinyl chloride resin 40-50, SG-4 type polyvinyl chloride resin 70-80, SG-7 type polyvinyl chloride resin 30-40, acetyl triethyl citrate 30-35, dibutyl maleate 40-45, Celogen Az 1-2, benzene sulfonyl hydrazide 1-2, blowing agent (461DU40) 1-2, sodium sulfate of polyethenoxy ether of fatty alcohol 1-2, modified alta-mud 50-60, nanometer potter's clay 30-40, carbon black N220 10-15, isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters 1-2, antioxidant 1035 2-3;
Described attapulgite modified by the following method preparation:
With attapulgite at 750-800 ℃ of lower roasting 4-5 hour, after put into the 10-15% hydrochloric acid solution and soak after 3-4 hour, pull out, dry to moisture 2-3%, add the dibutyl maleate of titanate coupling agent TMC-TTS, the 3-4% of the nano-carbon powder be equivalent to its weight 5-8%, 3-4%, the calcium stearate of 3-4%, mix, stirred 30-50 minute oven dry, pulverize at 60-70 ℃ of lower 3500-4000 rev/min;
Described modified alta-mud prepares by the following method:
(1) bentonite is used 10-15% salt acid soak 3-4 hour, and the deionized water washing was soaked 3-4 hour with the 10-12% sodium hydroxide solution again, and is extremely neutral with the deionized water washing again, oven dry;
(2) add the sldium lauryl sulfate of the sodium phosphate trimer be equivalent to its weight 3-5%, 3-5% aluminium hydroxide, 2-3% in the oven dry bentonite, 60-70 ℃ of lower the stirring 40-50 minute, dry, be ground into powder.
2. the manufacture method of the polyvinyl chloride synthetic leather of diatomite modified according to claim 1 is characterized in that adopting release liners knife coating technique:
(1), stir after the surface layer raw material mixed, mixing speed is 1200-1500 rev/min, and mixing time is 1-2 hour, filters to get surface layer slurry,
(2), then release liners is preheated to 60-70 ℃, with surface layer slurry with 150-200g/m
2The blade coating amount be coated with and scrape the release liners surface, 160-165 ℃ of lower plasticizing film forming;
(3), stir after will the foaming layer slurry mixing, mixing speed is 1200-1500 rev/min, filters to get the foaming layer slurry;
(4), the foaming layer slurry is coated on the surface layer, under 160-180 ℃, foam;
(5), re-use the aqueous polyurethane slurry and as adhesive linkage foaming layer and nylon loop fitted, binding temperature is 120-130 ℃, peels off at last rolling.
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Cited By (14)
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| CN103613880A (en) * | 2013-10-28 | 2014-03-05 | 安徽精一机械设备有限公司 | Flame-retardant foam material |
| CN103613881A (en) * | 2013-10-28 | 2014-03-05 | 安徽精一机械设备有限公司 | Lightweight foam sheet |
| CN104098933A (en) * | 2014-07-15 | 2014-10-15 | 淮阴工学院 | Preparation method for attapulgite clay/calcium carbonate composite filling for polyurethane leather |
| CN104213430A (en) * | 2014-09-23 | 2014-12-17 | 安徽登克尔旅游用品有限公司 | Synthetic leather and production method thereof for bags and suitcases |
| CN104250938A (en) * | 2014-09-04 | 2014-12-31 | 六安三希皮革制品有限公司 | Synthetic leather for shoe lining and production method thereof |
| CN104264500A (en) * | 2014-09-04 | 2015-01-07 | 六安三希皮革制品有限公司 | Synthetic leather for luggage and production method of synthetic leather |
| CN104264496A (en) * | 2014-09-04 | 2015-01-07 | 六安三希皮革制品有限公司 | Synthetic leather for clothes and production method of synthetic leather |
| CN105155292A (en) * | 2015-07-15 | 2015-12-16 | 浙江锦尚合成革有限公司 | Production method of environmentally friendly leather imitation synthetic leather |
| CN105178046A (en) * | 2015-07-15 | 2015-12-23 | 浙江锦尚合成革有限公司 | Preparation method of environmentally-friendly powder wax synthetic leather |
| CN105178047A (en) * | 2015-07-15 | 2015-12-23 | 浙江锦尚合成革有限公司 | Preparation method of environmentally-friendly synthetic leather |
| CN106589787A (en) * | 2016-12-07 | 2017-04-26 | 合肥市安山涂层织物有限公司 | Weather-fastness synthetic leather slurry and preparation method thereof |
| CN107118466A (en) * | 2017-06-12 | 2017-09-01 | 嘉兴市博尔塑胶有限公司 | Calendering leather of PVC containing straw ash and preparation method thereof |
| CN111021652A (en) * | 2019-11-25 | 2020-04-17 | 江苏柏威建设有限公司 | Green energy-saving construction method for building transformation |
| CN119220165A (en) * | 2024-12-04 | 2024-12-31 | 温州东泰树脂有限责任公司 | A polyurethane composite coating and its preparation method and application |
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| CN103613881A (en) * | 2013-10-28 | 2014-03-05 | 安徽精一机械设备有限公司 | Lightweight foam sheet |
| CN103613880A (en) * | 2013-10-28 | 2014-03-05 | 安徽精一机械设备有限公司 | Flame-retardant foam material |
| CN104098933B (en) * | 2014-07-15 | 2016-04-13 | 淮阴工学院 | For the recessed soil/Calcium Carbonate Composite Fillers preparation method of polyurethane leather |
| CN104098933A (en) * | 2014-07-15 | 2014-10-15 | 淮阴工学院 | Preparation method for attapulgite clay/calcium carbonate composite filling for polyurethane leather |
| CN104250938A (en) * | 2014-09-04 | 2014-12-31 | 六安三希皮革制品有限公司 | Synthetic leather for shoe lining and production method thereof |
| CN104264500A (en) * | 2014-09-04 | 2015-01-07 | 六安三希皮革制品有限公司 | Synthetic leather for luggage and production method of synthetic leather |
| CN104264496A (en) * | 2014-09-04 | 2015-01-07 | 六安三希皮革制品有限公司 | Synthetic leather for clothes and production method of synthetic leather |
| CN104213430A (en) * | 2014-09-23 | 2014-12-17 | 安徽登克尔旅游用品有限公司 | Synthetic leather and production method thereof for bags and suitcases |
| CN105178046A (en) * | 2015-07-15 | 2015-12-23 | 浙江锦尚合成革有限公司 | Preparation method of environmentally-friendly powder wax synthetic leather |
| CN105178047A (en) * | 2015-07-15 | 2015-12-23 | 浙江锦尚合成革有限公司 | Preparation method of environmentally-friendly synthetic leather |
| CN105155292A (en) * | 2015-07-15 | 2015-12-16 | 浙江锦尚合成革有限公司 | Production method of environmentally friendly leather imitation synthetic leather |
| CN106589787A (en) * | 2016-12-07 | 2017-04-26 | 合肥市安山涂层织物有限公司 | Weather-fastness synthetic leather slurry and preparation method thereof |
| CN107118466A (en) * | 2017-06-12 | 2017-09-01 | 嘉兴市博尔塑胶有限公司 | Calendering leather of PVC containing straw ash and preparation method thereof |
| CN111021652A (en) * | 2019-11-25 | 2020-04-17 | 江苏柏威建设有限公司 | Green energy-saving construction method for building transformation |
| CN119220165A (en) * | 2024-12-04 | 2024-12-31 | 温州东泰树脂有限责任公司 | A polyurethane composite coating and its preparation method and application |
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