CN102561652B - Full-environment-friendly chloride-free polyvinyl chloride floor and production method thereof - Google Patents
Full-environment-friendly chloride-free polyvinyl chloride floor and production method thereof Download PDFInfo
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- CN102561652B CN102561652B CN201110351746.3A CN201110351746A CN102561652B CN 102561652 B CN102561652 B CN 102561652B CN 201110351746 A CN201110351746 A CN 201110351746A CN 102561652 B CN102561652 B CN 102561652B
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Abstract
The invention discloses a full-environment-friendly chloride-free polyvinyl chloride floor and a production method thereof. The full-environment-friendly chloride-free polyvinyl chloride floor comprises a wear-resistant layer, a printed layer, a sheet A and a sheet B. The production method is different in terms of formula techniques and production equipment and can be used for environment-friendly floor tiles substituting the traditional PVC (polyvinyl chloride) medium, and the full-environment-friendly chloride-free polyvinyl chloride floor contains no plasticizer, is capable of effectively degrading in nature, and has low volatility to environment after laid.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of loopful guarantor and mould floor and production method thereof without chlorine stone.
Background technology
The floor that traditional architecture is used is ceramic tile or wood flooring, but because of its Heavy Weight, the forest reserves are deficient, progressively by some composite materials, replaced, and existing market is mainly to adopt PVC material as leading material.But along with the further expectation of people to environmental protection, the harmfulness on PVC material floor also by people cognition, PVC is a kind of chloride hydrocarbon, can decompose to emit HCL people is known from experience and causes direct injury under high temperature or burning, even dead.In addition the composite material such as PVC make product for building the most too busy to get away be to add plasticizing agent (DEHP, DINP etc.) and these plasticizing agent are contained in material and in environment, can produce volatility, can cause human body injury, the fluidizer disturbance in current Taiwan is the cognition of informing everybody environmental protection.The floor of simultaneously more present composite materials is stable because of its chemical constitution, cannot degrade at occurring in nature, causes the permanent pollution of environment.In sum, the floor that these materials are made will directly or indirectly impact human and environment, and therefore, finding the floor that more environmental protection is more suitable for human-body safety is the target that floor dealers pursue.
Summary of the invention
The object of the present invention is to provide a kind of loopful to protect and mould floor and production method thereof without chlorine stone, this be a kind of on formula technique and production equipment distinguished production method, make a kind of environmental protection floor tile that replaces conventional P VC medium, not containing any plasticizing agent, in the effective degradability of occurring in nature, for after mating formation, environment is had to low volatility.
For achieving the above object, the present invention adopts following technical scheme:
Loopful is protected and is moulded floor without chlorine stone, it is characterized in that: described stone is moulded floor by wearing layer, and printed layers, A tablet and B tablet form;
The described raw material of A tablet and the mass percent of each raw material are:
TPU stuff and other stuff 20%-30%
Ethylene methyl acrylate copolymer 8%-10%
Polyhydroxyalkanoate 2%-3%
Acrylic acid esters co-polymer 3%-4%
Petropols 1%-2%
Strengthening packing material 50%-60%
Antioxidant and light stabilizer 0.2%-3%;
The described raw material of B tablet and the mass percent of each raw material are:
TPU stuff and other stuff 10%-20%
Ethylene methyl acrylate copolymer 15%-20%
Polyhydroxyalkanoate 3%-4%
Acrylic acid esters co-polymer 2%-3%
Petropols 3%-4%
Strengthening packing material 45%-55%
Antioxidant and light stabilizer 0.2%-3%.
Described strengthening packing material is calcite or kaolin.
Described antioxidant is antioxidant 1010; Described light stabilizer is light stabilizer 1268.
Described wearing layer is TPU-60D; Described printed layers is the white cladding of TPU-60D.
Its production method comprises that preparation, the stone of A tablet and B tablet moulds the cutting of floor, hot pressing, tempering, health, moulding, deburring, packing.Concrete steps are as follows:
1) mixing: adopt mixed at high speed mixer equipment, respectively feed intake by A/B formula, ordering in launching is first many rear few principles, high-speed stirred 5-10 minute, discharging packing is standby;
2) banburying: complete by ten thousand horsepowers, by the compound of step 1), with 140-150kg, drop in ten thousand horsepowers of machines at every turn, then control the current stabilization of hammer at 300 ± 10A, a pressurization minute secondary carries out, each 2-3min, middle to expecting to roll operation, so that material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: by mill, complete, the Temperature Setting 150-160 ℃ of the first roller, restraints thinly fast, carries immediately after in flakes to second roller, second roller Temperature Setting 150-160 ℃, same operation, does not allow long-time calendering, and the most backward outlet roller is carried, the 3rd roll temperature is set 150-160 ℃, when this roller operation, to control thickness, while reaching Production requirement thickness, go out tablet, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet precuting is neatly stacked, be followed successively by from top to bottom template, wearing layer, printed layers, A tablet, B tablet, lower shoe, stacking continuously 3-8 layer is a little mould, ten little moulds are a large mould, upper hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 110-120 ℃, after preheating, carry out hot pressing, pressure is controlled at 0.9-1.2MPa, and temperature is controlled at 130-140 ℃, hot pressing 15-20 minute, be cooled to 25-35 ℃ after counterdie obtain stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are arranged again through high temperature oven, and temperature is controlled 150-170 ℃ and carried out temper, is at high temperature progressively cooled to normal temperature;
6) health: the semiproduct after tempering, part stress is still deposited in inside, need at thermostatic chamber, carry out health processing, condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, time 40-56 hour;
7) moulding: the semiproduct through health carry out requirement specification moulding on moulding punch press;
8) deburring: there are part limit bits at the goods edge after moulding, arranges through trimmer;
9) clean packing: absorb the dust of the product surface after deburring, entirely examine qualified after, packing gets product.
Remarkable advantage of the present invention is:
1) the material of main part thermoplastic polyurethane (TPU) that the present invention selects is a kind of product of hydrocarbon, mainly select TPU film as wearing layer, TPU printed layers, TPU stuff and other stuff, TPU is existing caoutchouc elasticity, there is again the thermoplastic macromolecular material of plastics, it has excellent physical and mechanical properties, hot strength, elongation rate are all higher, are suitable on floor and use very much, and abrasion resistance is fine, not easy to wear for floor, tear resistance is fine, all has compliance in very wide temperature range, and it is comfortable that People's Bank of China walks above.Hot property is fine, can in the environment of high and utmost point low temperature, use.Hydrolytic stability, under room temperature TPU can in pure water, use several years and also performance without significant change; But in the time of 80 ℃, or be embedded in occurring in nature and will degrade, degraded produces water and CO
2, do not affect environment.Chemical-resistance is good, and oil resistivity (as mineral oil, diesel oil, lubrication oil) is very excellent; There is certain UV resistant.
2) the present invention, without using any plasticizing agent in constructing formula, adopts several hydrocarbon macromolecular compounds to be combined into novel composite material by its physical characteristic completely.Send SGS to detect not containing any 16P composition.
3) TPU transforms manufacturing process because being total to physical property feature, is difficult to comply with existing PVC production technology execution and produces, and the present invention passes through to adjust formulation composition, adopts former PVC to produce a whole set of plant equipment completely and carries out full environment-friendly type formula production, has solved Industrialization.
4) in all raw material composition of the present invention, without any halogen, exist, fully demonstrate without chlorination theory, product send SGS to be halogen (fluorine, chlorine, bromine, iodine) BS EN14582:2007 IC and measures, and four results are shown as N.D.
Accompanying drawing explanation
Fig. 1 is that loopful guarantor of the present invention moulds the structural representation on floor without chlorine stone.
The specific embodiment
embodiment 1
Loopful is protected and is moulded floor without chlorine stone, it is characterized in that: described stone is moulded floor by wearing layer, and printed layers, A tablet and B tablet form;
The described raw material of A tablet and the mass percent of each raw material are:
TPU stuff and other stuff 20%
Ethylene methyl acrylate copolymer 8%
Polyhydroxyalkanoate 2%
Acrylic acid esters co-polymer 3%
Petropols 1%
Strengthening packing material 60%
Antioxidant and light stabilizer 0.2%;
The described raw material of B tablet and the mass percent of each raw material are:
TPU stuff and other stuff 10%
Ethylene methyl acrylate copolymer 15%
Polyhydroxyalkanoate 3%
Acrylic acid esters co-polymer 2%
Petropols 3%
Strengthening packing material 55%
Antioxidant and light stabilizer 0.2%.
Described strengthening packing material is calcite or kaolin.
Described antioxidant is antioxidant 1010; Described light stabilizer is light stabilizer 1268.
Described wearing layer is TPU-60D; Described printed layers is the white cladding of TPU-60D.
Its production method comprises that preparation, the stone of A tablet and B tablet moulds the cutting of floor, hot pressing, tempering, health, moulding, deburring, packing.Concrete steps are as follows:
1) mixing: adopt mixed at high speed mixer equipment, respectively feed intake by A/B formula, ordering in launching is first many rear few principles, high-speed stirred 5 minutes, discharging packing is standby;
2) banburying: complete by ten thousand horsepowers, by the compound of step 1), with 140kg, drop in ten thousand horsepowers of machines at every turn, then control the current stabilization of hammer at 300 ± 10A, a pressurization minute secondary carries out, each 2min, middle to expecting to roll operation, so that material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: by mill, complete, 150 ℃ of the Temperature Settings of the first roller, restraint thinly fast, carry immediately after in flakes to second roller, 150 ℃ of second roller Temperature Settings, same operation, does not allow long-time calendering, and the most backward outlet roller is carried, the 3rd roll temperature is set 150 ℃, when this roller operation, to control thickness, while reaching Production requirement thickness, go out tablet, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet precuting is neatly stacked, be followed successively by from top to bottom template, wearing layer, printed layers, A tablet, B tablet, lower shoe, stacking continuously 3 layers is a little mould, ten little moulds are a large mould, upper hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 110 ℃, after preheating, carry out hot pressing, pressure is controlled at 0.9MPa, and temperature is controlled at 130 ℃, hot pressing 15 minutes, be cooled to 25 ℃ after counterdie obtain stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are arranged again through high temperature oven, and temperature is controlled 150 ℃ and carried out temper, is at high temperature progressively cooled to normal temperature;
6) health: the semiproduct after tempering, part stress is still deposited in inside, need at thermostatic chamber, carry out health processing, condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, 40 hours time;
7) moulding: the semiproduct through health carry out requirement specification moulding on moulding punch press;
8) deburring: there are part limit bits at the goods edge after moulding, arranges through trimmer;
9) clean packing: absorb the dust of the product surface after deburring, entirely examine qualified after, packing gets product.
embodiment 2
Loopful is protected and is moulded floor without chlorine stone, it is characterized in that: described stone is moulded floor by wearing layer, and printed layers, A tablet and B tablet form;
The described raw material of A tablet and the mass percent of each raw material are:
TPU stuff and other stuff 30%
Ethylene methyl acrylate copolymer 8%
Polyhydroxyalkanoate 2%
Acrylic acid esters co-polymer 3%
Petropols 1%
Strengthening packing material 50%
Antioxidant and light stabilizer 0.2%;
The described raw material of B tablet and the mass percent of each raw material are:
TPU stuff and other stuff 20%
Ethylene methyl acrylate copolymer 15%
Polyhydroxyalkanoate 3%
Acrylic acid esters co-polymer 2%
Petropols 3%
Strengthening packing material 45%
Antioxidant and light stabilizer 0.2%.
Described strengthening packing material is calcite or kaolin.
Described antioxidant is antioxidant 1010; Described light stabilizer is light stabilizer 1268.
Described wearing layer is TPU-60D; Described printed layers is the white cladding of TPU-60D.
Its production method comprises that preparation, the stone of A tablet and B tablet moulds the cutting of floor, hot pressing, tempering, health, moulding, deburring, packing.Concrete steps are as follows:
1) mixing: adopt mixed at high speed mixer equipment, respectively feed intake by A/B formula, ordering in launching is first many rear few principles, high-speed stirred 10 minutes, discharging packing is standby;
2) banburying: complete by ten thousand horsepowers, by the compound of step 1), with 150kg, drop in ten thousand horsepowers of machines at every turn, then control the current stabilization of hammer at 300 ± 10A, a pressurization minute secondary carries out, each 3min, middle to expecting to roll operation, so that material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: by mill, complete, 160 ℃ of the Temperature Settings of the first roller, restraint thinly fast, carry immediately after in flakes to second roller, 160 ℃ of second roller Temperature Settings, same operation, does not allow long-time calendering, and the most backward outlet roller is carried, the 3rd roll temperature is set 160 ℃, when this roller operation, to control thickness, while reaching Production requirement thickness, go out tablet, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet precuting is neatly stacked, be followed successively by from top to bottom template, wearing layer, printed layers, A tablet, B tablet, lower shoe, stacking continuously 8 layers is a little mould, ten little moulds are a large mould, upper hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 120 ℃, after preheating, carry out hot pressing, pressure is controlled at 1.2MPa, and temperature is controlled at 140 ℃, hot pressing 20 minutes, be cooled to 35 ℃ after counterdie obtain stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are arranged again through high temperature oven, and temperature is controlled 170 ℃ and carried out temper, is at high temperature progressively cooled to normal temperature;
6) health: the semiproduct after tempering, part stress is still deposited in inside, need at thermostatic chamber, carry out health processing, condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, 56 hours time;
7) moulding: the semiproduct through health carry out requirement specification moulding on moulding punch press;
8) deburring: there are part limit bits at the goods edge after moulding, arranges through trimmer;
9) clean packing: absorb the dust of the product surface after deburring, entirely examine qualified after, packing gets product.
embodiment 3
Loopful is protected and is moulded floor without chlorine stone, it is characterized in that: described stone is moulded floor by wearing layer, and printed layers, A tablet and B tablet form;
The described raw material of A tablet and the mass percent of each raw material are:
TPU stuff and other stuff 20%
Ethylene methyl acrylate copolymer 10%
Polyhydroxyalkanoate 2%
Acrylic acid esters co-polymer 3%
Petropols 1%
Strengthening packing material 50%
Antioxidant and light stabilizer 0.2%;
The described raw material of B tablet and the mass percent of each raw material are:
TPU stuff and other stuff 10%
Ethylene methyl acrylate copolymer 20%
Polyhydroxyalkanoate 3%
Acrylic acid esters co-polymer 2%
Petropols 3%
Strengthening packing material 45%
Antioxidant and light stabilizer 0.2%.
Described strengthening packing material is calcite or kaolin.
Described antioxidant is antioxidant 1010; Described light stabilizer is light stabilizer 1268.
Described wearing layer is TPU-60D; Described printed layers is the white cladding of TPU-60D.
Its production method comprises that preparation, the stone of A tablet and B tablet moulds the cutting of floor, hot pressing, tempering, health, moulding, deburring, packing.Concrete steps are as follows:
1) mixing: adopt mixed at high speed mixer equipment, respectively feed intake by A/B formula, ordering in launching is first many rear few principles, high-speed stirred 7 minutes, discharging packing is standby;
2) banburying: complete by ten thousand horsepowers, by the compound of step 1), with 145kg, drop in ten thousand horsepowers of machines at every turn, then control the current stabilization of hammer at 300 ± 10A, a pressurization minute secondary carries out, each 2.5min, middle to expecting to roll operation, so that material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: by mill, complete, 155 ℃ of the Temperature Settings of the first roller, restraint thinly fast, carry immediately after in flakes to second roller, 155 ℃ of second roller Temperature Settings, same operation, does not allow long-time calendering, and the most backward outlet roller is carried, the 3rd roll temperature is set 155 ℃, when this roller operation, to control thickness, while reaching Production requirement thickness, go out tablet, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet precuting is neatly stacked, be followed successively by from top to bottom template, wearing layer, printed layers, A tablet, B tablet, lower shoe, stacking continuously 5 layers is a little mould, ten little moulds are a large mould, upper hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 115 ℃, after preheating, carry out hot pressing, pressure is controlled at 1.0MPa, and temperature is controlled at 135 ℃, hot pressing 18 minutes, be cooled to 30 ℃ after counterdie obtain stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are arranged again through high temperature oven, and temperature is controlled 160 ℃ and carried out temper, is at high temperature progressively cooled to normal temperature;
6) health: the semiproduct after tempering, part stress is still deposited in inside, need at thermostatic chamber, carry out health processing, condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, 48 hours time;
7) moulding: the semiproduct through health carry out requirement specification moulding on moulding punch press;
8) deburring: there are part limit bits at the goods edge after moulding, arranges through trimmer;
9) clean packing: absorb the dust of the product surface after deburring, entirely examine qualified after, packing gets product.
embodiment 4
It is as follows that properties of product detect data:
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (1)
1. loopful is protected and is moulded floor without chlorine stone, it is characterized in that: described stone is moulded floor by wearing layer, and printed layers, A tablet and B tablet form;
The described raw material of A tablet and the mass percent of each raw material are:
TPU stuff and other stuff 20%-30%
Ethylene methyl acrylate copolymer 8%-10%
Polyhydroxyalkanoate 2%-3%
Acrylic acid esters co-polymer 3%-4%
Petropols 1%-2%
Strengthening packing material 50%-60%
Antioxidant and light stabilizer 0.2%-3%;
The described raw material of B tablet and the mass percent of each raw material are:
TPU stuff and other stuff 10%-20%
Ethylene methyl acrylate copolymer 15%-20%
Polyhydroxyalkanoate 3%-4%
Acrylic acid esters co-polymer 2%-3%
Petropols 3%-4%
Strengthening packing material 45%-55%
Antioxidant and light stabilizer 0.2%-3%;
Described strengthening packing material is calcite or kaolin;
Described antioxidant is antioxidant 1010; Described light stabilizer is light stabilizer 1268;
Described wearing layer is TPU-60D; Described printed layers is the white cladding of TPU-60D;
Production method comprises that preparation, the stone of A tablet and B tablet moulds the cutting of floor, hot pressing, tempering, health, moulding, deburring, packing;
Concrete steps are as follows:
1) mixing: adopt mixed at high speed mixer equipment, respectively feed intake by A/B formula, ordering in launching is first many rear few principles, high-speed stirred 5-10 minute, discharging packing is standby;
2) banburying: complete by ten thousand horsepowers, by the compound of step 1), with 140-150kg, drop in ten thousand horsepowers of machines at every turn, then control the current stabilization of hammer at 300 ± 10A, a pressurization minute secondary carries out, each 2-3min, middle to expecting to roll operation, so that material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: by mill, complete, the Temperature Setting 150-160 ℃ of the first roller, restraints thinly fast, carries immediately after in flakes to second roller, second roller Temperature Setting 150-160 ℃, same operation, does not allow long-time calendering, and the most backward outlet roller is carried, the 3rd roll temperature is set 150-160 ℃, when this roller operation, to control thickness, while reaching Production requirement thickness, go out tablet, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet precuting is neatly stacked, be followed successively by from top to bottom template, wearing layer, printed layers, A tablet, B tablet, lower shoe, stacking continuously 3-8 layer is a little mould, ten little moulds are a large mould, upper hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 110-120 ℃, after preheating, carry out hot pressing, pressure is controlled at 0.9-1.2MPa, and temperature is controlled at 130-140 ℃, hot pressing 15-20 minute, be cooled to 25-35 ℃ after counterdie obtain stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are arranged again through high temperature oven, and temperature is controlled 150-170 ℃ and carried out temper, is at high temperature progressively cooled to normal temperature;
6) health: the semiproduct after tempering, part stress is still deposited in inside, need at thermostatic chamber, carry out health processing, condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, time 40-56 hour;
7) moulding: the semiproduct through health carry out requirement specification moulding on moulding punch press;
8) deburring: there are part limit bits at the goods edge after moulding, arranges through trimmer;
9) clean packing: absorb the dust of the product surface after deburring, entirely examine qualified after, packing gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110351746.3A CN102561652B (en) | 2011-11-09 | 2011-11-09 | Full-environment-friendly chloride-free polyvinyl chloride floor and production method thereof |
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| CN201110351746.3A CN102561652B (en) | 2011-11-09 | 2011-11-09 | Full-environment-friendly chloride-free polyvinyl chloride floor and production method thereof |
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| CN102561652B true CN102561652B (en) | 2014-02-26 |
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| CN105275180B (en) * | 2014-07-25 | 2017-11-03 | 大自然家居(中国)有限公司 | A kind of stone plastic floor and preparation method thereof |
| CN107013012A (en) * | 2017-06-14 | 2017-08-04 | 合肥易美特建材有限公司 | A kind of stone plastic floor |
| CN107163442A (en) * | 2017-06-22 | 2017-09-15 | 合肥易美特建材有限公司 | A kind of manufacture craft of environmentally friendly stone plastic floor |
| US20190032330A1 (en) * | 2017-07-28 | 2019-01-31 | John J. Kunzler | Engineered rigid acoustical loose lay flooring |
| CN107652703A (en) * | 2017-10-11 | 2018-02-02 | 毅工工程塑料（上海）有限公司 | Engineering plastics, mixture, stone-plastic plate and the stone plastic floor and manufacture method that do not contain PVC |
| CN110303698B (en) * | 2019-05-29 | 2021-08-24 | 惠州伟康新型建材有限公司 | Manufacturing process of EPC composite structure floor with high deformation resistance and low shrinkage |
| CN112935297A (en) * | 2019-12-11 | 2021-06-11 | 上海盈泰新材料科技有限公司 | Novel environment-friendly floor material and production method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213391A (en) * | 1996-11-22 | 1999-04-07 | 三井化学株式会社 | Thermoplastic resin composition and film made from the composition |
| CN101509313A (en) * | 2009-03-17 | 2009-08-19 | 万利环宇（福建）贸易有限公司 | Thermoplastic polyurethane floor tile and technique for producing the same |
| CN102181103A (en) * | 2010-12-29 | 2011-09-14 | 东莞市迅创实业有限公司 | High-density high-elasticity thermoplastic elastomer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002294996A (en) * | 2001-03-27 | 2002-10-09 | Mitsui Chemicals Inc | Floor tile |
| CN100430438C (en) * | 2003-05-16 | 2008-11-05 | 日东纺织株式会社 | Resin-base interior finish material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213391A (en) * | 1996-11-22 | 1999-04-07 | 三井化学株式会社 | Thermoplastic resin composition and film made from the composition |
| CN101509313A (en) * | 2009-03-17 | 2009-08-19 | 万利环宇（福建）贸易有限公司 | Thermoplastic polyurethane floor tile and technique for producing the same |
| CN102181103A (en) * | 2010-12-29 | 2011-09-14 | 东莞市迅创实业有限公司 | High-density high-elasticity thermoplastic elastomer |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-294996A 2002.10.09 |
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