CN102561652A - 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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- CN102561652A CN102561652A CN2011103517463A CN201110351746A CN102561652A CN 102561652 A CN102561652 A CN 102561652A CN 2011103517463 A CN2011103517463 A CN 2011103517463A CN 201110351746 A CN201110351746 A CN 201110351746A CN 102561652 A CN102561652 A CN 102561652A
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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 the no chlorine stone of a kind of loopful guarantor and mould floor and production method thereof.
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 replaced by some composite materials, and existing market mainly is to adopt the PVC material as leading material.But Along with people's is to the further expectation of environmental protection, the harmfulness on PVC material floor also by the people cognition, PVC is a kind of chloride hydrocarbon, can decompose down in high temperature or burning and emit HCL and the people is known from experience cause direct injury, even death.In addition composite material such as PVC process 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 the material and in environment, can produce volatility; Can cause the 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, can't degrade at occurring in nature, causes the permanent pollution of environment.In sum, the floor that these materials are processed will directly or indirectly impact human and environment, and therefore, seeking the floor that more environmental protection is more suitable for human body safety is the target that the floor dealers pursue.
Summary of the invention
The object of the present invention is to provide a kind of loopful to protect no chlorine stone and mould floor and production method thereof; This be a kind of on formula technique and production equipment distinguished production method; Process a kind of environmental protection floor tile that replaces conventional P VC medium; Do not contain any plasticizer,, environment is had low volatility for the back of mating formation in the effective degradability of occurring in nature.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
Loopful is protected no chlorine stone and is moulded the floor, and it is characterized in that: described stone is moulded the floor by wearing layer, printed layers, and A tablet and B tablet are formed;
The raw material of described 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%
Strengthen packing material 50%-60%
Antioxidant and light stabilizer 0.2%-3%;
The raw material of described 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%
Strengthen packing material 45%-55%
Antioxidant and light stabilizer 0.2%-3%.
Described reinforcement packing material is calcite or kaolin.
Described antioxidant is an antioxidant 1010; Described light stabilizer is a 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 following:
1) mix: adopt high-speed mixing mixer equipment, respectively feed intake by the A/B prescription, ordering in launching is the few principles in many earlier backs, and high-speed stirred 5-10 minute, the discharging packing was subsequent use;
2) banburying:,, at every turn drop in ten thousand horsepowers of machines with 140-150kg with the compound of step 1) through ten thousand horsepowers of completion; Control presses the current stabilization of hammering into shape at 300 ± 10A then, and pressurization divides secondary to carry out, each 2-3min; Middle to the material operation of rolling; So that the material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: accomplish through mill, the temperature of first roller is set 150-160 ℃, and bundle is thin fast; Carry to second roller immediately in flakes, second roll temperature is set 150-160 ℃, same operation; Do not allow long-time calendering, carry to outlet roller at last, the 3rd roll temperature is set 150-160 ℃; When this roller operation, to control thickness, go out tablet when reaching production demand thickness, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet that will precut neatly stacks, and is followed successively by template from top to bottom, wearing layer, printed layers, A tablet; The B tablet, lower shoe, stacking the 3-8 layer continuously is a little mould, ten little moulds are a big mould; Last hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 110-120 ℃, carries out hot pressing after the preheating; 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 promptly get stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are put in order through high temperature oven once more, and temperature control is carried out temper for 150-170 ℃, at high temperature progressively is cooled to normal temperature;
6) health: through the semiproduct after the tempering, partly stress is still deposited in inside, needs to carry out health at thermostatic chamber and handles condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, time 40-56 hour;
7) moulding: the semiproduct through health, carry out the requirement specification moulding on the moulding punch press;
8) deburring: there are partly limit bits at the goods edge after moulding, puts in order through trimmer;
9) cleaning packing: absorb the dust of the product surface after the deburring, examine entirely qualified after, packing gets product.
Remarkable advantage of the present invention is:
1) the material of main part thermoplastic polyurethane (TPU) selected for use of the present invention is a kind of product of hydrocarbon, mainly selects for use the TPU film as wearing layer, the TPU printed layers; The TPU stuff and other stuff, TPU is existing caoutchouc elasticity, and the thermoplastic macromolecular material of plastics is arranged again; It has excellent physical and mechanical performance, and hot strength, elongation rate are suitable on the floor and use all than higher very much; Abrasion resistance is fine, and it is not easy to wear to be used for the floor, and tear resistance is fine; In very wide temperature range, all have compliance, comfortable above the person walks.Hot property is fine, can in the environment of high and utmost point low temperature, use.Hydrolytic stability, TPU can use several years in pure water and performance does not have significant change under the room temperature; But in the time of 80 ℃, or be embedded in occurring in nature and will degrade, degraded produces water and CO
2, do not influence environment.Chemical-resistance is good, and oil resistivity (like mineral oil, diesel oil, lubrication oil) is very excellent; Has certain UV resistant.
2) the present invention does not have any plasticizer of use in constructing prescription, adopts several kinds of hydrocarbon macromolecular compounds to be combined into novel composite material by its physical characteristic fully.Send SGS to detect and do not contain any 16P composition.
3) TPU transforms manufacturing process because of being total to the rerum natura characteristics, is difficult to produce according to existing PVC production technology execution, and the present invention passes through the adjustment formulation composition, adopts former PVC to produce a whole set of plant equipment fully and carries out the production of full environment-friendly type prescription, has solved the industrialization problem.
4) no any halogen exists in all raw material composition of the present invention, demonstrates fully no chlorination theory, and product send SGS to be halogen (fluorine, chlorine, bromine, iodine) BS EN14582:2007 IC and measures, and four results are shown as N.D.
Description of drawings
Fig. 1 is that the no chlorine stone of loopful guarantor of the present invention is moulded the structural representation on floor.
The specific embodiment
Embodiment 1
Loopful is protected no chlorine stone and is moulded the floor, and it is characterized in that: described stone is moulded the floor by wearing layer, printed layers, and A tablet and B tablet are formed;
The raw material of described 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%
Strengthen packing material 60%
Antioxidant and light stabilizer 0.2%;
The raw material of described 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%
Strengthen packing material 55%
Antioxidant and light stabilizer 0.2%.
Described reinforcement packing material is calcite or kaolin.
Described antioxidant is an antioxidant 1010; Described light stabilizer is a 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 following:
1) mix: adopt high-speed mixing mixer equipment, respectively feed intake by the A/B prescription, ordering in launching is the few principles in many earlier backs, high-speed stirred 5 minutes, and the discharging packing is subsequent use;
2) banburying:,, at every turn drop in ten thousand horsepowers of machines with 140kg with the compound of step 1) through ten thousand horsepowers of completion; Control presses the current stabilization of hammering into shape at 300 ± 10A then, and pressurization divides secondary to carry out, each 2min; Middle to the material operation of rolling; So that the material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: accomplish through mill, the temperature of first roller is set 150 ℃, and bundle is thin fast; Carry to second roller immediately in flakes, second roll temperature is set 150 ℃, same operation; Do not allow long-time calendering, carry to outlet roller at last, the 3rd roll temperature is set 150 ℃; When this roller operation, to control thickness, go out tablet when reaching production demand thickness, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet that will precut neatly stacks, and is followed successively by template from top to bottom, wearing layer, printed layers, A tablet; The B tablet, lower shoe, stacking 3 layers continuously is a little mould, ten little moulds are a big mould; Last hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 110 ℃, carries out hot pressing after the preheating; Pressure is controlled at 0.9MPa, and temperature is controlled at 130 ℃, hot pressing 15 minutes, be cooled to 25 ℃ after counterdie promptly get stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are put in order through high temperature oven once more, and temperature control is carried out temper for 150 ℃, at high temperature progressively is cooled to normal temperature;
6) health: through the semiproduct after the tempering, partly stress is still deposited in inside, needs to carry out health at thermostatic chamber and handles condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, 40 hours time;
7) moulding: the semiproduct through health, carry out the requirement specification moulding on the moulding punch press;
8) deburring: there are partly limit bits at the goods edge after moulding, puts in order through trimmer;
9) cleaning packing: absorb the dust of the product surface after the deburring, examine entirely qualified after, packing gets product.
Embodiment 2
Loopful is protected no chlorine stone and is moulded the floor, and it is characterized in that: described stone is moulded the floor by wearing layer, printed layers, and A tablet and B tablet are formed;
The raw material of described 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%
Strengthen packing material 50%
Antioxidant and light stabilizer 0.2%;
The raw material of described 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%
Strengthen packing material 45%
Antioxidant and light stabilizer 0.2%.
Described reinforcement packing material is calcite or kaolin.
Described antioxidant is an antioxidant 1010; Described light stabilizer is a 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 following:
1) mix: adopt high-speed mixing mixer equipment, respectively feed intake by the A/B prescription, ordering in launching is the few principles in many earlier backs, high-speed stirred 10 minutes, and the discharging packing is subsequent use;
2) banburying:,, at every turn drop in ten thousand horsepowers of machines with 150kg with the compound of step 1) through ten thousand horsepowers of completion; Control presses the current stabilization of hammering into shape at 300 ± 10A then, and pressurization divides secondary to carry out, each 3min; Middle to the material operation of rolling; So that the material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: accomplish through mill, the temperature of first roller is set 160 ℃, and bundle is thin fast; Carry to second roller immediately in flakes, second roll temperature is set 160 ℃, same operation; Do not allow long-time calendering, carry to outlet roller at last, the 3rd roll temperature is set 160 ℃; When this roller operation, to control thickness, go out tablet when reaching production demand thickness, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet that will precut neatly stacks, and is followed successively by template from top to bottom, wearing layer, printed layers, A tablet; The B tablet, lower shoe, stacking 8 layers continuously is a little mould, ten little moulds are a big mould; Last hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 120 ℃, carries out hot pressing after the preheating; Pressure is controlled at 1.2MPa, and temperature is controlled at 140 ℃, hot pressing 20 minutes, be cooled to 35 ℃ after counterdie promptly get stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are put in order through high temperature oven once more, and temperature control is carried out temper for 170 ℃, at high temperature progressively is cooled to normal temperature;
6) health: through the semiproduct after the tempering, partly stress is still deposited in inside, needs to carry out health at thermostatic chamber and handles condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, 56 hours time;
7) moulding: the semiproduct through health, carry out the requirement specification moulding on the moulding punch press;
8) deburring: there are partly limit bits at the goods edge after moulding, puts in order through trimmer;
9) cleaning packing: absorb the dust of the product surface after the deburring, examine entirely qualified after, packing gets product.
Embodiment 3
Loopful is protected no chlorine stone and is moulded the floor, and it is characterized in that: described stone is moulded the floor by wearing layer, printed layers, and A tablet and B tablet are formed;
The raw material of described 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%
Strengthen packing material 50%
Antioxidant and light stabilizer 0.2%;
The raw material of described 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%
Strengthen packing material 45%
Antioxidant and light stabilizer 0.2%.
Described reinforcement packing material is calcite or kaolin.
Described antioxidant is an antioxidant 1010; Described light stabilizer is a 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 following:
1) mix: adopt high-speed mixing mixer equipment, respectively feed intake by the A/B prescription, ordering in launching is the few principles in many earlier backs, high-speed stirred 7 minutes, and the discharging packing is subsequent use;
2) banburying:,, at every turn drop in ten thousand horsepowers of machines with 145kg with the compound of step 1) through ten thousand horsepowers of completion; Control presses the current stabilization of hammering into shape at 300 ± 10A then, and pressurization divides secondary to carry out, each 2.5min; Middle to the material operation of rolling; So that the material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: accomplish through mill, the temperature of first roller is set 155 ℃, and bundle is thin fast; Carry to second roller immediately in flakes, second roll temperature is set 155 ℃, same operation; Do not allow long-time calendering, carry to outlet roller at last, the 3rd roll temperature is set 155 ℃; When this roller operation, to control thickness, go out tablet when reaching production demand thickness, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet that will precut neatly stacks, and is followed successively by template from top to bottom, wearing layer, printed layers, A tablet; The B tablet, lower shoe, stacking 5 layers continuously is a little mould, ten little moulds are a big mould; Last hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 115 ℃, carries out hot pressing after the preheating; Pressure is controlled at 1.0MPa, and temperature is controlled at 135 ℃, hot pressing 18 minutes, be cooled to 30 ℃ after counterdie promptly get stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are put in order through high temperature oven once more, and temperature control is carried out temper for 160 ℃, at high temperature progressively is cooled to normal temperature;
6) health: through the semiproduct after the tempering, partly stress is still deposited in inside, needs to carry out health at thermostatic chamber and handles condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, 48 hours time;
7) moulding: the semiproduct through health, carry out the requirement specification moulding on the moulding punch press;
8) deburring: there are partly limit bits at the goods edge after moulding, puts in order through trimmer;
9) cleaning packing: absorb the dust of the product surface after the deburring, examine entirely qualified after, packing gets product.
Embodiment 4
It is following that properties of product detect data:
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. loopful is protected no chlorine stone and is moulded the floor, and it is characterized in that: described stone is moulded the floor by wearing layer, printed layers, and A tablet and B tablet are formed;
The raw material of described 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%
Strengthen packing material 50%-60%
Antioxidant and light stabilizer 0.2%-3%;
The raw material of described 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%
Strengthen packing material 45%-55%
Antioxidant and light stabilizer 0.2%-3%.
2. loopful according to claim 1 is protected no chlorine stone and is moulded the floor, and it is characterized in that: described reinforcement packing material is calcite or kaolin.
3. loopful according to claim 1 is protected no chlorine stone and is moulded the floor, and it is characterized in that: described antioxidant is an antioxidant 1010; Described light stabilizer is a light stabilizer 1268.
4. loopful according to claim 1 is protected no chlorine stone and is moulded the floor, and it is characterized in that: described wearing layer is TPU-60D; Described printed layers is the white cladding of TPU-60D.
5. a loopful as claimed in claim 1 is protected the production method that no chlorine stone is moulded the floor, it is characterized in that: described 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.
6. loopful according to claim 5 is protected the production method that no chlorine stone is moulded the floor, and it is characterized in that: the concrete steps of described production method are following:
1) mix: adopt high-speed mixing mixer equipment, respectively feed intake by the A/B prescription, ordering in launching is the few principles in many earlier backs, and high-speed stirred 5-10 minute, the discharging packing was subsequent use;
2) banburying:,, at every turn drop in ten thousand horsepowers of machines with 140-150kg with the compound of step 1) through ten thousand horsepowers of completion; Control presses the current stabilization of hammering into shape at 300 ± 10A then, and pressurization divides secondary to carry out, each 2-3min; Middle to the material operation of rolling; So that the material banburying even, the time to after open bottom door, release compound;
3) three roller bundles are thin: accomplish through mill, the temperature of first roller is set 150-160 ℃, and bundle is thin fast; Carry to second roller immediately in flakes, second roll temperature is set 150-160 ℃, same operation; Do not allow long-time calendering, carry to outlet roller at last, the 3rd roll temperature is set 150-160 ℃; When this roller operation, to control thickness, go out tablet when reaching production demand thickness, finally form A tablet/B tablet;
4) hot pressing is compound: the tablet that will precut neatly stacks, and is followed successively by template from top to bottom, wearing layer, printed layers, A tablet; The B tablet, lower shoe, stacking the 3-8 layer continuously is a little mould, ten little moulds are a big mould; Last hot press is hot-forming in batches, first preheating 5 minutes, and temperature is controlled at 110-120 ℃, carries out hot pressing after the preheating; 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 promptly get stone mould ground boards half-finished product;
5) tempering: the semiproduct that make are put in order through high temperature oven once more, and temperature control is carried out temper for 150-170 ℃, at high temperature progressively is cooled to normal temperature;
6) health: through the semiproduct after the tempering, partly stress is still deposited in inside, needs to carry out health at thermostatic chamber and handles condition: 23 ± 2 ℃ of constant temperature, humidity 55 ± 5%, time 40-56 hour;
7) moulding: the semiproduct through health, carry out the requirement specification moulding on the moulding punch press;
8) deburring: there are partly limit bits at the goods edge after moulding, puts in order through trimmer;
9) cleaning packing: absorb the dust of the product surface after the deburring, examine entirely qualified after, packing gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110351746.3A CN102561652B (en) | 2011-11-09 | 2011-11-09 | Full-environment-friendly chloride-free polyvinyl chloride floor and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN102561652A true CN102561652A (en) | 2012-07-11 |
| CN102561652B CN102561652B (en) | 2014-02-26 |
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Cited By (7)
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| CN105275180A (en) * | 2014-07-25 | 2016-01-27 | 大自然家居(中国)有限公司 | PVC 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 |
| 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 |
| CN109306787A (en) * | 2017-07-28 | 2019-02-05 | 约翰·孔兹勒 | One kind exempting from adhesive floor and preparation method thereof |
| CN110303698A (en) * | 2019-05-29 | 2019-10-08 | 惠州伟康新型建材有限公司 | A kind of EPC composite-structure floor manufacture craft of high resistance to deformation lower 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 |
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| 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 |
| CN110303698A (en) * | 2019-05-29 | 2019-10-08 | 惠州伟康新型建材有限公司 | A kind of EPC composite-structure floor manufacture craft of high resistance to deformation lower 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 |
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