CN101852004A - Method for processing plastic floor material by utilizing PVC waste material - Google Patents
Method for processing plastic floor material by utilizing PVC waste material Download PDFInfo
- Publication number
- CN101852004A CN101852004A CN201010197081A CN201010197081A CN101852004A CN 101852004 A CN101852004 A CN 101852004A CN 201010197081 A CN201010197081 A CN 201010197081A CN 201010197081 A CN201010197081 A CN 201010197081A CN 101852004 A CN101852004 A CN 101852004A
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- Prior art keywords
- waste material
- film
- pvc
- pvc waste
- agent
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002699 waste material Substances 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 title claims abstract description 27
- 229920003023 plastic Polymers 0.000 title claims abstract description 25
- 239000004033 plastic Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000004088 foaming agent Substances 0.000 claims abstract 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 49
- 239000004800 polyvinyl chloride Substances 0.000 claims description 49
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000004604 Blowing Agent Substances 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 13
- 238000009408 flooring Methods 0.000 claims description 12
- 239000002344 surface layer Substances 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 4
- SHLNMHIRQGRGOL-UHFFFAOYSA-N barium zinc Chemical group [Zn].[Ba] SHLNMHIRQGRGOL-UHFFFAOYSA-N 0.000 claims description 3
- NFVZIERLAZUYBQ-UHFFFAOYSA-N [K].[Zn] Chemical compound [K].[Zn] NFVZIERLAZUYBQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 239000004156 Azodicarbonamide Substances 0.000 claims 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical group NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims 1
- 235000019399 azodicarbonamide Nutrition 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 11
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000005187 foaming Methods 0.000 abstract description 9
- 238000001125 extrusion Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002788 crimping Methods 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000003490 calendering Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 2
- 239000004014 plasticizer Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000009966 trimming Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 25
- 239000002002 slurry Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 241000276489 Merlangius merlangus Species 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- -1 thinner Substances 0.000 description 2
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical group C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to a method for processing plastic floor material by utilizing PVC waste material, including: (1) PVC waste material is cleaned, dried and smashed and is subject to extrusion filtering at 130-150 DEG C by virtue of an extrusion machine, so that impurities are removed, and plasticizer is added, so as to form membrane feed back; (2) PVC resin, plasticizer, stabilizer, foaming agent and filler are added into the membrane feed back, mixing is carried out to obtain mixture, the mixture is subject to banburying at 140-160 DEG C for 150-220s, then is subject to milling at 140-160 DEG C for 3min and then is subject to extrusion filtering at 140-160 DEG C by virtue of the extrusion machine, and the working speed of the extrusion machine is 300r/min, film is made by virtue of a calendaring machine, and film pressing temperature is 130-160 DEG C; (3) the film is compounded onto a surface course coated with wear layer at 170-190 DEG C, heating foaming plasticizing and drying are carried out at 200-220 DEG C by virtue of a baking oven, and then cooling, trimming and crimping are carried out, thus forming the product. The invention utilizes PVC waste material to produce film, the produced film substitutes the blade coating foaming layer in plastic floor production process, production cost is reduced, recycling of waste PVC material is realized, and plentiful natural resources are saved.
Description
Technical field
The present invention relates to a kind of method of the PVC of utilization waste material processing plastic flooring material.
Background technology
The PVC plastic floor is a high skill pavement the most novel in the present world building material industry, be to be primary raw material with the polyvinyl chloride, and copolymer resins is a raw material, add auxiliary materials such as filler, plasticizing agent, stabilizing agent, colorant, on the sheet continuous base material, coated explained hereafter forms, and through calendering, extrude or extrusion process produces, has clean, clean and tidy, elasticity, sound-absorbing, function such as attractive in appearance, generous.Along with the raising of people's living standard and environmental consciousness, in light weight, recyclable, in a great variety plastic floor progressively is widely used in each field such as sports buildings, hospital, school, office space.
The release liners knife coating is adopted in the manufacturing of plastic floor mostly, and concrete manufacturing process is:
1, batching: PVC is stuck with paste resin, DOP plasticizing agent, stabilizing agent, thinner, blowing agent, coarse whiting etc. carry out proportioning, form slurry according to the different product requirement.
2, blade coating surface layer: the uniform blade coating of the surface layer slurry for preparing having on the release liners of decorative pattern, is made its drying, plasticizing, cooling through first baking oven.
3, be coated with wearing layer: the uniform blade coating of wearing layer slurry that will have blowing agent is passing through on the surface layer that suitably cools off, and through set composite glass fiber and wearing layer is combined with each other, and makes its drying, plasticizing, foaming, cooling through second baking oven.
4, be coated with wearing layer: the uniform blade coating of wearing layer slurry that will have a blowing agent except the composite glass fiber not, is operated identical with step 3 on the surface layer through suitably cooling.
5, blade coating foaming layer: the foaming layer slurry that has blowing agent that will prepare on the wearing layer through suitably cooling, with gum embossing device carries out embossing, cooling after the process baking oven makes its foaming, drying, plasticizing with the uniform blade coating of coating machine.
6, peel off curling: will through peeling off crimping device product and release liners be peeled off through the product of supercooling, and product will be cut edge, curl, obtain finished product by crimping device.
And in the manufacture process of above-mentioned plastic floor, the needed slurry of all blade coating processes is all stuck with paste the preparation of new materials such as resin, DOP plasticizing agent, stabilizing agent, thinner, blowing agent, coarse whiting with PVC, makes the cost of PVC plastic floor than higher.
Summary of the invention
The object of the present invention is to provide a kind of method of the PVC of utilization waste material processing plastic flooring material, the PVC waste material that reclaims is made film, be used for substituting the blade coating foaming layer of PVC plastic floor manufacture process, make full use of the PVC waste material by this method, save new material, reduce product cost, realize the recycling of waste material, reduce the consumption of natural resource.
For achieving the above object, the present invention takes following technical scheme:
A kind of method of utilizing PVC waste material processing plastic flooring material, the method includes the steps of:
(1) the PVC waste material is cleaned, dries, pulverizes after, extrude in 130～150 ℃ and remove by filter impurity through extruder, recover the machining property of PVC waste material to wherein adding plasticizing agent, form the film feed back;
(2) in above-mentioned film feed back, add polyvinyl chloride resin, plasticizing agent, stabilizing agent, blowing agent and filler, and mix: 40～60 parts of film feed backs by following parts by weight, 0～20 part of polyvinyl chloride resin, 1～15 part in plasticizing agent, 1.5～3 parts of stabilizing agents, 1～2.5 part of blowing agent, 10～15 parts of fillers, form compound, with this compound in banbury in 140～160 ℃ of banburyings 150～220 seconds, in two roller mills, open refining after 3 minutes then in 140～160 ℃, infeed extruder through conveyer belt and extrude filtration in 140～160 ℃, the extruder working speed is 300 rev/mins, at last, make film through calender, the temperature during press mold is 130～160 ℃;
(3) film is compound on the surface layer that scribbles wearing layer in 170～190 ℃,, cuts edge, curl into product after the cooling through 200～220 ℃ of baking oven foamables, plasticizing, drying.
Can in compound, add an amount of pigment as required.
PVC waste material described in the present invention is worn-out agricultural film, awning film, PVC leftover pieces, PVC reclaimed materials.
The PVC waste material is 100: 5～100: 10 with the weight ratio that cooperates of plasticizing agent in the step described in the present invention (1).
Plasticizing agent among the present invention is the DOP plasticizing agent, and described stabilizing agent is barium zinc stabilizer or potassium zinc stabilizer, and described blowing agent is Celogen Az (ADC) blowing agent.
In the step described in the present invention (2), the weight of described PVC waste material is 60%～80% of compound gross weight.
Calender described in the present invention is a four-roll calender; The thickness of described film is 0.5～3.0 millimeter.
The invention has the advantages that:
The film that the present invention utilizes the PVC waste material to make has substituted the blade coating foaming layer in the plastic floor manufacturing process, and the material more than 60% in the compound is substituted with the PVC waste material, has realized the application of PVC waste and scrap in the novel environment friendly plastic floor; The present invention had both reduced product cost, had realized the waste PVC recycling of materials again, saved a large amount of natural resources.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.
Realize the practical application of PVC waste material in plastic floor, carry out handling early stage fully to the PVC waste material: at first the PVC waste material will be carried out high-temperature process, impurity screening through extruder.And add the small part plasticizing agent, and recover the physical property of PVC material, form preliminary more coarse film feed back.Handle through high pressure banbury, two roller mills again, add new materials such as an amount of polyvinyl chloride resin, plasticizing agent, stabilizing agent, blowing agent and pigment once more, make it to meet the requirement of producing the novel environment friendly plastic floor.Handle through the high temperature extruder once more, behind the removal impurity, could pass through four-roll calender the PVC waste material is made film.The film that four-roll calender is made places the film discharging device then, by the thin film preheating device preheating, utilize the film set composite with film and flooring material compound after, enter baking oven in foaming, finally form qualified novel environment friendly plastic floor product.
Kind according to waste material in actual mechanical process is different different with the requirement of newness degree and final products, and the every index in material mixture ratio, the process is adjusted.
Embodiment 1
Worn-out agricultural film is cleaned, dry, after the pulverizing, take by weighing 75 kilograms through extruder in 150 ℃ of PVC waste materials that obtain softening after extruding filtration, kind according to waste material is different with newness degree, to wherein adding 5 kilograms in DOP plasticizing agent, obtain the film feed back after the mixing, in this film feed back, add coarse whiting 25kg, 5 kilograms of polyvinyl chloride resins, 16 kilograms in DOP plasticizing agent, 4 kilograms of barium zinc stabilizers, 2.3 kilograms of ADC blowing agents, 1 kilogram of pigment, obtain compound after fully mixing, compound is sent into banbury 150 ℃ of banburyings after 200 seconds, expect that down two roller mills open refining 180 seconds in 150 ℃, the material that will open again after the refining is extruded filtration through extruder, extrusion temperature is 150 ℃, the extruder working speed is 300 rev/mins, then the material of extruding is transported to four-roll calender and is pressed into film, and the last roll temperature of this calender is 145 ℃, preceding roll temperature is 145 ℃, middle roll temperature is 135 ℃, and following roll temperature is 130 ℃, and pressure is 30 kilograms, the speed of a motor vehicle is 12 meters/minute, and resulting film thickness is 1.05mm.The film that obtains is placed the film discharging device, after by the thin film preheating device preheating film being heated to 180 ℃ temperature, film is compound on the surface layer that scribbles wearing layer through set composite, through 210 ℃ of baking oven foamables, plasticizing, drying, cuts edge, curl into product after the cooling again.
Claims (7)
1. method of utilizing PVC waste material processing plastic flooring material is characterized in that the method includes the steps of:
(1) the PVC waste material is cleaned, dries, pulverizes after, extrude in 130～150 ℃ and remove by filter impurity through extruder, recover the machining property of PVC waste material to wherein adding plasticizing agent, form the film feed back;
(2) in above-mentioned film feed back, add polyvinyl chloride resin, plasticizing agent, stabilizing agent, blowing agent and filler, and mix: 40～60 parts of film feed backs by following parts by weight, 0～20 part of polyvinyl chloride resin, 1～15 part in plasticizing agent, 1.5～3 parts of stabilizing agents, 1～2.5 part of blowing agent, 10～15 parts of fillers, form compound, with this compound in banbury in 140～160 ℃ of banburyings 150～220 seconds, in two roller mills, open refining after 3 minutes then in 140～160 ℃, infeed extruder through conveyer belt and extrude filtration in 140～160 ℃, the extruder working speed is 300 rev/mins, at last, make film through calender, the temperature during press mold is 130～160 ℃;
(3) film is compound on the surface layer that scribbles wearing layer in 170～190 ℃,, cuts edge, curl into product after the cooling through 200～220 ℃ of baking oven foamables, plasticizing, drying.
2. the method for utilizing PVC waste material processing plastic flooring material according to claim 1 is characterized in that, described PVC waste material is worn-out agricultural film, awning film, PVC leftover pieces, PVC reclaimed materials.
3. the method for utilizing PVC waste material processing plastic flooring material according to claim 1 is characterized in that, the PVC waste material is 100: 5～100: 10 with the weight ratio that cooperates of plasticizing agent in the described step (1).
4. a kind of method of utilizing PVC waste material processing plastic flooring material according to claim 1 is characterized in that described plasticizing agent is the DOP plasticizing agent, and described stabilizing agent is barium zinc stabilizer or potassium zinc stabilizer, and described blowing agent is an azodicarbonamide foaming agent.
5. the method for utilizing PVC waste material processing plastic flooring material according to claim 1 is characterized in that, the weight of PVC waste material is 60%～80% of compound gross weight in the described step (2).
6. the method for utilizing PVC waste material processing plastic flooring material according to claim 1 is characterized in that described calender is a four-roll calender.
7. the method for utilizing PVC waste material processing plastic flooring material according to claim 1 is characterized in that the thickness of described film is 0.5～3.0 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010197081A CN101852004A (en) | 2010-06-02 | 2010-06-02 | Method for processing plastic floor material by utilizing PVC waste material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010197081A CN101852004A (en) | 2010-06-02 | 2010-06-02 | Method for processing plastic floor material by utilizing PVC waste material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101852004A true CN101852004A (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010197081A Pending CN101852004A (en) | 2010-06-02 | 2010-06-02 | Method for processing plastic floor material by utilizing PVC waste material |
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| Country | Link |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115587A (en) * | 2010-12-30 | 2011-07-06 | 李兵 | Polymer section and preparation method thereof |
| CN102704647A (en) * | 2011-03-28 | 2012-10-03 | 青岛凯迅塑料有限公司 | Process for producing electric-heating floor leather |
| CN102730520A (en) * | 2012-06-05 | 2012-10-17 | 苏州汾湖电梯有限公司 | Plastic floor for elevator car floor |
| CN102966231A (en) * | 2011-09-01 | 2013-03-13 | 深圳市建辰实业有限公司 | Ceramic-plastic floor and processing method thereof |
| CN103161286A (en) * | 2011-12-08 | 2013-06-19 | 深圳市建辰实业有限公司 | Ceramic floor and machining method thereof |
| CN103571078A (en) * | 2012-08-02 | 2014-02-12 | 河南新阳光建材有限公司 | Method for producing stone-plastic high-flame retardant heat insulation panel by using waste polyvinyl chloride and product |
| CN104312048A (en) * | 2014-11-03 | 2015-01-28 | 梁伯行 | PVC (polyvinyl chloride) board and production method thereof |
| CN104358385A (en) * | 2014-11-06 | 2015-02-18 | 北京威廉顺塑胶制品有限公司 | PVC (polyvinyl chloride) sports floor sheet and preparation method |
| CN105317197A (en) * | 2014-07-04 | 2016-02-10 | 抚顺森隆达木业有限公司 | Waste compound floor production process |
| CN106499153A (en) * | 2016-11-09 | 2017-03-15 | 浙江晶美建材科技有限公司 | Stone modeling lightweight VCP floor and preparation method thereof |
| CN106639248A (en) * | 2016-11-09 | 2017-05-10 | 浙江晶美建材科技有限公司 | Light VCP floor and preparation method thereof |
| CN106939103A (en) * | 2017-04-07 | 2017-07-11 | 张家港市利奇塑料有限公司 | A kind of renovation process for cutting reclaimed materials |
| CN107266833A (en) * | 2017-07-24 | 2017-10-20 | 轩福君 | A kind of thermoplastic film recycles modifying agent and recovery process |
| CN107685406A (en) * | 2017-08-31 | 2018-02-13 | 杭州金益丝绸有限公司 | A kind of case and bag composite bed waste recovery processing method |
| WO2019000590A1 (en) * | 2017-06-29 | 2019-01-03 | 顾崧 | Regenerated material produced on the basis of pvc recycled material |
| CN109130048A (en) * | 2017-06-19 | 2019-01-04 | 江苏升茂塑胶制品有限公司 | A kind of renewable indsole material manufacturing technique of PVC plastic adhesive floor |
| CN109774201A (en) * | 2019-02-01 | 2019-05-21 | 山东新宜佳地毯有限公司 | A kind of novel environment friendly calendering Anti-slip ground cushion |
| CN109795066A (en) * | 2019-01-15 | 2019-05-24 | 白相义 | A kind of ground glue production technology |
| CN109808209A (en) * | 2019-01-15 | 2019-05-28 | 白相义 | A kind of embossing ground glue production technology |
| CN109877995A (en) * | 2019-04-16 | 2019-06-14 | 浙江道尔顿地毯有限公司 | PVC mixture crosses the method and device of filter residue recycling |
| CN111469527A (en) * | 2020-05-19 | 2020-07-31 | 内蒙古天陆实业有限公司 | Production process and production equipment of plastic floor |
| TWI849440B (en) * | 2022-06-22 | 2024-07-21 | 美喆國際企業股份有限公司 | Eco-friendly plastic composite flooring and its production method and application thereof |
| US12350865B2 (en) | 2021-03-30 | 2025-07-08 | Ceraloc Innovation Ab | Method and assembly for manufacturing a board element comprising a recycled material |
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| CN1844226A (en) * | 2006-04-11 | 2006-10-11 | 侯盼领 | Color plastic floor made of waste PVC and manufacturing method thereof |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115587B (en) * | 2010-12-30 | 2012-04-18 | 李兵 | Polymer profiles and methods for their preparation |
| CN102115587A (en) * | 2010-12-30 | 2011-07-06 | 李兵 | Polymer section and preparation method thereof |
| CN102704647B (en) * | 2011-03-28 | 2014-10-15 | 刘林 | Process for producing electric-heating floor leather |
| CN102704647A (en) * | 2011-03-28 | 2012-10-03 | 青岛凯迅塑料有限公司 | Process for producing electric-heating floor leather |
| CN102966231A (en) * | 2011-09-01 | 2013-03-13 | 深圳市建辰实业有限公司 | Ceramic-plastic floor and processing method thereof |
| CN103161286A (en) * | 2011-12-08 | 2013-06-19 | 深圳市建辰实业有限公司 | Ceramic floor and machining method thereof |
| CN102730520A (en) * | 2012-06-05 | 2012-10-17 | 苏州汾湖电梯有限公司 | Plastic floor for elevator car floor |
| CN103571078A (en) * | 2012-08-02 | 2014-02-12 | 河南新阳光建材有限公司 | Method for producing stone-plastic high-flame retardant heat insulation panel by using waste polyvinyl chloride and product |
| CN105317197A (en) * | 2014-07-04 | 2016-02-10 | 抚顺森隆达木业有限公司 | Waste compound floor production process |
| CN105317197B (en) * | 2014-07-04 | 2017-09-29 | 抚顺森隆达木业有限公司 | A kind of manufacture craft of waste material composite floor board |
| CN104312048A (en) * | 2014-11-03 | 2015-01-28 | 梁伯行 | PVC (polyvinyl chloride) board and production method thereof |
| CN104358385A (en) * | 2014-11-06 | 2015-02-18 | 北京威廉顺塑胶制品有限公司 | PVC (polyvinyl chloride) sports floor sheet and preparation method |
| CN104358385B (en) * | 2014-11-06 | 2017-02-01 | 北京威廉顺塑胶制品有限公司 | PVC (polyvinyl chloride) sports floor sheet and preparation method |
| CN106499153A (en) * | 2016-11-09 | 2017-03-15 | 浙江晶美建材科技有限公司 | Stone modeling lightweight VCP floor and preparation method thereof |
| CN106639248A (en) * | 2016-11-09 | 2017-05-10 | 浙江晶美建材科技有限公司 | Light VCP floor and preparation method thereof |
| CN106939103A (en) * | 2017-04-07 | 2017-07-11 | 张家港市利奇塑料有限公司 | A kind of renovation process for cutting reclaimed materials |
| CN109130048A (en) * | 2017-06-19 | 2019-01-04 | 江苏升茂塑胶制品有限公司 | A kind of renewable indsole material manufacturing technique of PVC plastic adhesive floor |
| WO2019000590A1 (en) * | 2017-06-29 | 2019-01-03 | 顾崧 | Regenerated material produced on the basis of pvc recycled material |
| CN107266833A (en) * | 2017-07-24 | 2017-10-20 | 轩福君 | A kind of thermoplastic film recycles modifying agent and recovery process |
| CN107685406A (en) * | 2017-08-31 | 2018-02-13 | 杭州金益丝绸有限公司 | A kind of case and bag composite bed waste recovery processing method |
| CN109808209A (en) * | 2019-01-15 | 2019-05-28 | 白相义 | A kind of embossing ground glue production technology |
| CN109795066A (en) * | 2019-01-15 | 2019-05-24 | 白相义 | A kind of ground glue production technology |
| CN109774201A (en) * | 2019-02-01 | 2019-05-21 | 山东新宜佳地毯有限公司 | A kind of novel environment friendly calendering Anti-slip ground cushion |
| CN109877995A (en) * | 2019-04-16 | 2019-06-14 | 浙江道尔顿地毯有限公司 | PVC mixture crosses the method and device of filter residue recycling |
| CN111469527A (en) * | 2020-05-19 | 2020-07-31 | 内蒙古天陆实业有限公司 | Production process and production equipment of plastic floor |
| US12350865B2 (en) | 2021-03-30 | 2025-07-08 | Ceraloc Innovation Ab | Method and assembly for manufacturing a board element comprising a recycled material |
| TWI849440B (en) * | 2022-06-22 | 2024-07-21 | 美喆國際企業股份有限公司 | Eco-friendly plastic composite flooring and its production method and application thereof |
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