CN102995445B - 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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- CN102995445B CN102995445B CN201210406488.9A CN201210406488A CN102995445B CN 102995445 B CN102995445 B CN 102995445B CN 201210406488 A CN201210406488 A CN 201210406488A CN 102995445 B CN102995445 B CN 102995445B
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Abstract
The invention discloses attapulgite and bentonite 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 through attapulgite and bentonite modified polyvinyl chloride synthetic leather and manufacture method thereof.
Background technology
At present, the field of furniture such as commercial family property and family expenses family property extensively adopts polyurethane and process attapulgite and bentonite modified polyvinyl chloride synthetic leather.Synthetic Leather has the advantages such as emulation is high, good hand touch, obtains the extensive favor in market.But a large amount of use has certain toxicity and volatile DMF solvent in its manufacture process, even also can there is abundant residues through fully dry DMF, become an exceed standard source of pollution of room air VOC; Meanwhile, Synthetic Leather, due to problems such as hydrolysis, weatherability deficiencies, has limited its further extensive use.There is excellent hydrolysis, wear-resisting, scratch resistance, the advantage such as fire-retardant through attapulgite and bentonite modified polyvinyl chloride synthetic leather, but product quality existing problems.
Summary of the invention
The object of the present invention is to provide a kind of through attapulgite and bentonite modified polyvinyl chloride synthetic leather and manufacture method thereof, the synthetic leather good product quality of production.
Object of the present invention can be achieved through the following technical solutions:
Through attapulgite and bentonite modified polyvinyl chloride synthetic leather, comprise 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 N22010-15, the fast carbon black N66030-35 that extrudes, Di(dioctylpyrophosphato) ethylene titanate 1-2, irgasfos 168 0.5-1, 3-aminopropyl trimethoxysilane 1-2, crosslinking agent TAC0.5-1, 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 N22010-15, isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters 1-2, antioxidant 10352-3;
Described attapulgite modified preparation by the following method:
By attapulgite roasting 4-5 hour at 750-800 DEG C, after put into 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, the 3-4% that are equivalent to its weight 5-8%, the calcium stearate of 3-4%, mix, at 60-70 DEG C, 3500-4000 rev/min is stirred 30-50 minute, oven dry, pulverize;
Described modified alta-mud is prepared by the following method:
(1) 10-15% salt acid soak 3-4 hour for bentonite, deionized water washing, then soak 3-4 hour with 10-12% sodium hydroxide solution, then with deionized water washing to neutral, oven dry;
(2) dry to add in bentonite and be equivalent to sodium phosphate trimer, the 3-5% aluminium hydroxide of its weight 3-5%, the sldium lauryl sulfate of 2-3%, at 60-70 DEG C, stir 40-50 minute, dry, be ground into powder.
The manufacture method of described process attapulgite and bentonite modified polyvinyl chloride synthetic leather, is characterized in that adopting release liners knife coating technique:
(1), by surface layer raw material mix after stir, mixing speed is 1200-1500 rev/min, mixing time is 1-2 hour, filters to obtain surface layer slurry,
(2), then release liners is preheated to 60-70 DEG C, surface layer slurry is coated with and scrapes release liners surface with the blade coating amount of 150-200g/m2, at 160-165 DEG C, plastify film forming;
(3), stir after will foaming layer slurry mixing, mixing speed is 1200-1500 rev/min, filters to obtain foaming layer slurry;
(4), foaming layer slurry is coated on surface layer, at 160-180 DEG C, foam;
(5), re-use aqueous polyurethane slurry and make the laminating of foaming layer and nylon loop as adhesive linkage, binding temperature is 120-130 DEG C, finally peels off rolling.
Beneficial effect of the present invention:
(1), the present invention is by formula and process modification, increased the pliability of synthetic leather, have and 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 vapour moisture absorption conductibility thoroughly, makes synthetic leather of the present invention realize the needs of good ventilative moisture absorbing.
(4), synthetic leather of the present invention, all exceed the standard of similar environment-friendly type artificial leather on 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.
Detailed description of the invention
Through attapulgite and a bentonite modified polyvinyl chloride synthetic leather, comprise surface layer, foaming layer and adhesive linkage, nylon loop,
Described surface layer by following weight portion (kilogram) raw material is made into slurry and makes:
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 N22015, the fast carbon black N66035 that extrudes, Di(dioctylpyrophosphato) ethylene titanate 1, irgasfos 168 0.5, 3-aminopropyl trimethoxysilane 2, crosslinking agent TAC0.5, Silane coupling agent KH550 2, protein powder 4,
Described foaming layer by following weight portion (kilogram) raw material is made into slurry and makes:
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 N22010, isopropyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate esters 1, antioxidant 10352;
Described attapulgite modified preparation by the following method:
By attapulgite roasting 4-5 hour at 780-800 DEG C, 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, at 60-70 DEG C, 3500-4000 rev/min is stirred 30-40 minute, oven dry, pulverize;
Described modified alta-mud is prepared by the following method:
(1) 12% salt acid soak 3 hours for bentonite, deionized water washing, then soak 3 hours with 10% sodium hydroxide solution, then with deionized water washing to neutral, oven dry;
(2) dry to add in bentonite and be equivalent to the sodium phosphate trimer, 3% aluminium hydroxide of its weight 5%, 2% sldium lauryl sulfate, at 60-70 DEG C, stir 40-50 minute, dry, be ground into powder.
The manufacture method of polyvinyl chloride synthetic leather for described gloves, adopts release liners knife coating technique:
(1), by surface layer raw material mix after stir, mixing speed is 1200-1500 rev/min, mixing time is 1-2 hour, filters to obtain surface layer slurry,
(2), then release liners is preheated to 60-70 DEG C, surface layer slurry is coated with and scrapes release liners surface with the blade coating amount of 180g/m2, at 160-165 DEG C, plastify film forming;
(3), stir after will foaming layer slurry mixing, mixing speed is 1200-1500 rev/min, filters to obtain foaming layer slurry;
(4), foaming layer slurry is coated on surface layer, at 175-180 DEG C, foam;
(5), re-use aqueous polyurethane slurry and make the laminating of foaming layer and nylon loop as adhesive linkage, binding temperature is 120-130 DEG C, finally peels off rolling.
Synthetic leather physical and chemical performance of the present invention is as follows:
Radially stretch breaking strength/broadwise stretch breaking strength > 400N/3CM, footpath/filling-tear resistance > 25N ,-10 DEG C of low temperature flexibility can reach resistance to 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 (1)
1. through attapulgite and a bentonite modified polyvinyl chloride synthetic leather, comprise 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 preparation by the following method:
By attapulgite roasting 4-5 hour at 750-800 DEG C, after put into 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, the 3-4% that are equivalent to its weight 5-8%, the calcium stearate of 3-4%, mix, at 60-70 DEG C, 3500-4000 rev/min is stirred 30-50 minute, oven dry, pulverize;
Described modified alta-mud is prepared by the following method:
(1) 10-15% salt acid soak 3-4 hour for bentonite, deionized water washing, then soak 3-4 hour with 10-12% sodium hydroxide solution, then with deionized water washing to neutral, oven dry;
(2) dry to add in bentonite and be equivalent to sodium phosphate trimer, the 3-5% aluminium hydroxide of its weight 3-5%, the sldium lauryl sulfate of 2-3%, at 60-70 DEG C, stir 40-50 minute, dry, be ground into powder;
The manufacture method of described process attapulgite and bentonite modified polyvinyl chloride synthetic leather, adopts release liners knife coating technique:
(1), by surface layer raw material mix after stir, mixing speed is 1200-1500 rev/min, mixing time is 1-2 hour, filters to obtain surface layer slurry;
(2), then release liners is preheated to 60-70 DEG C, by surface layer slurry with 150-200g/m
2blade coating amount be coated with scrape release liners surface, at 160-165 DEG C, plastify film forming;
(3), stir after will foaming layer slurry mixing, mixing speed is 1200-1500 rev/min, filters to obtain foaming layer slurry;
(4), foaming layer slurry is coated on surface layer, at 160-180 DEG C, foam;
(5), re-use aqueous polyurethane slurry and make the laminating of foaming layer and nylon loop as adhesive linkage, binding temperature is 120-130 DEG C, finally peels off rolling.
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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 |
| 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 |
| 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 |
| 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 |
| CN104213430B (en) * | 2014-09-23 | 2016-05-18 | 安徽登克尔旅游用品有限公司 | A kind of case and bag synthetic leather and production method thereof |
| 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 |
| 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 |
| CN105155292B (en) * | 2015-07-15 | 2017-07-18 | 浙江锦尚合成革有限公司 | A kind of preparation method of environment-friendly type real leather intimating 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 |
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