CN1241994C - Method for mfg. low pressure heat-shrinkable material using waste plastics - Google Patents
Method for mfg. low pressure heat-shrinkable material using waste plastics Download PDFInfo
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- CN1241994C CN1241994C CN 02133015 CN02133015A CN1241994C CN 1241994 C CN1241994 C CN 1241994C CN 02133015 CN02133015 CN 02133015 CN 02133015 A CN02133015 A CN 02133015A CN 1241994 C CN1241994 C CN 1241994C
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- Prior art keywords
- plastic waste
- pressure heat
- waste plastics
- coupling agent
- vinyl acetate
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002654 heat shrinkable material Substances 0.000 title claims description 12
- 239000002699 waste material Substances 0.000 title abstract description 11
- 229920003023 plastic Polymers 0.000 title abstract description 9
- 239000004033 plastic Substances 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 229920002681 hypalon Polymers 0.000 claims abstract description 12
- 239000006229 carbon black Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 230000032683 aging Effects 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 9
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 9
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 9
- 229920001897 terpolymer Polymers 0.000 claims abstract description 7
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract 4
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract 4
- 239000013502 plastic waste Substances 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 14
- 238000005469 granulation Methods 0.000 claims description 10
- 230000003179 granulation Effects 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 8
- 239000007822 coupling agent Substances 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 238000004132 cross linking Methods 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 abstract description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 abstract 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 abstract 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- -1 Zinic stearas Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention provides a method for manufacturing a low-pressure heat shrinking material by waste plastics, which belongs to the environment protection technique for recovering and reusing the waste plastics and particularly relates to a method for manufacturing a low-pressure heat shrinking material by the waste plastics. The present invention mainly solves the problem that the waste plastics are not recovered and utilized. The low-pressure heat shrinking material is manufactured from the components of the following content by weight percentage: 30 (20 to 40)% of waste plastics, 8 (5 to 20)% of linear low-density polyethylene (LLDPED), 20 (2 to 20)% of ethylene-vinyl acetate copolymers (EVA), 4 (0 to 20)% of ethylene propylene terpolymers, 8 (0 to 10)% of chlorosulfonated polyethylene (CPE), 2 (0 to 8)% of zinc stearate, 10 (5 to 15)% of carbon black, 5 (5 to 20)% of aluminium hydroxide, 2 (0.5 to 3)% of silane coupling agent, 9 (5 to 20)% of flame retardant FR-E, 1 (0.2 to 3)% of antioxidant 1010 and 1 (0.5 to 3)% of photo-resistant aging agent GW-540.
Description
Technical field:
The invention belongs to the green technology of plastic waste being carried out recycling, be specifically related to a kind of method of making low pressure heat-shrinkable material with plastic waste.
Background technology:
As everyone knows, plastics have become the integral part among the human lives, and its usage quantity grows with each passing day, thereby the generation of plastic waste is also huge day by day.A large amount of plastic waste have constituted the serious threat to environment for human survival, are causes that turns waste into wealth and promote the well-being of mankind to the recycling of plastic waste.At present, China is undesirable to the recycling situation of plastic waste, and great majority are just simple to be utilized, state of the art is low, lack the market competitiveness, do not find and material of the present invention consistent report on prescription, technology and purposes that through data and patent retrieval relevant patent is as follows:
1. " waste rubber, plastic waste, useless foam comprehensive utilization technique ", China, publication number 1315488, open day 2001.10.03.
2. " the thermal-insulating plate that utilizes plastic waste to make ", China, publication number 2431332, open date 2001.05.23.
3. " plastic waste and made from composite material of plant fiber ", China, publication number 1051008, open date 1991.05.01.
4. " radiation crosslinking 150 ℃ fire-retardant polyolefin heat-shrinkable material ", China, publication number 1257090, open day 2000.06.21.
5. " thermal shrinkage polyester film and production method thereof ", China, publication number 1287052, open day 2001.03.14.
Above patent content, most of plastic waste is produced lubricating oil, gasoline, diesel oil etc. after all being used for making matrix materials such as moulding wood and thermo-cracking, not only state of the art is low, consumes energy is big, and easily cause secondary pollution, and the invention of heat-shrinkage material is making film, device etc., raw material and product price height, preparation method's complexity.
Summary of the invention:
The purpose of this invention is to provide a kind of method,, further open up the utilization of waste material approach to improve the state of the art that waste plastics recovery is utilized again with plastic waste manufacturing low pressure heat-shrinkable material.
The inventive method is to make raw material by following material, and its weight percentages content is:
Plastic waste 20-40wt%
Linear low density polyethylene (LLDPE) 5-20wt%
Ethene one vinyl acetate copolymer (EVA) 2-30wt%
Terpolymer EP rubber 0-20wt%
Chlorosulfonated polyethylene (CPE) 0-10wt%
Zinic stearas 0-8wt%
Carbon 5-15wt%
Aluminium hydroxide 5-20wt%
Silane coupling agent 0.5-3wt%
Fire retardant FR-E 5-20wt%
Antioxidant 1010 0.5-3wt%
Light aging resisting agent GW-540 0.5-3wt%;
Its process for making is:
The first step: plastic waste is clean, granulation, normal temperature adds silane coupling agent down then, mixes rotating speed 850-1250 commentaries on classics/min in homogenizer.
Second step: the plastic waste that will be mixed with coupling agent together is put into blend in the Banbury mixer by different prescriptions and linear low density polyethylene (LLDPE), terpolymer EP rubber, ethylene-vinyl acetate copolymer (EVA), chlorosulfonated polyethylene (CPE), temperature is 140-155 ℃, mixed 5-10 minute, order adds auxiliary agents such as Zinic stearas, carbon black, fire retardant, light aging resisting agent, oxidation inhibitor (adding a kind of down after whenever adding a kind of auxiliary agent and all mixing again) blend then.
The 3rd step: after the material pulverizing that blend is good, the granulation, extrusion moulding on forcing machine under 150-165 ℃, carry out cross-linking radiation with rumbatron or cobalt source, irradiation dose is 130-140KGy (13-14Mrd), crosslinked good material utilizes pressurized air and mechanical system expansion under 150-170 ℃, cooling and shaping becomes product in water then.
Utilize the low pressure heat-shrinkable material of material prescription of the present invention and segmental machining processing method preparation, because preparation technology and equipment is simple, raw material sources extensively, can reduce cost, have high added value, can be widely used in telecommunications, household electrical appliances and automotive industry, particularly adopt the crosslinked processing technology of high-energy radiation, make plastic waste and other macromolecular material and filler fine compatible, stable performance, easy to use, complete alternative ordinary hot shrink-down material has reduced the production cost of heat-shrinkage material.To recovery and Utilization of Waste Plastics, also solved problem of environment pollution caused in addition, economical and social, obvious environment benefit.
The low pressure heat-shrinkable material of manufacturing of the present invention has following technical performance index:
Oxygen index; 27-30
Heat shrink temperature: 90-100 ℃
Specified shrinking percentage: radially 〉=50%, axially≤10%
Elongation: 〉=300%
Electric breakdown strength: 〉=13kv/mm
Volume specific resistance: 〉=10
13Ω cm
Tensile strength: 〉=10MP
a
Embodiment:
Embodiment 1:
A kind of method with plastic waste manufacturing low pressure heat-shrinkable material is to make raw material by following material, and its weight percentages content is:
Plastic waste 20wt%
Linear low density polyethylene (LLDPE) 20wt%
Ethylene-vinyl acetate copolymer (EVA) 25wt%
Zinic stearas 5wt%
Carbon black 10wt%
Aluminium hydroxide 5wt%
Silane coupling agent 1wt%
Fire retardant FR-E 10wt%
Antioxidant 1010 2wt%
Light aging resisting agent GW-540 2wt%.
By above-mentioned prescription weighing material, earlier that plastic waste is clean, granulation, normal temperature adds the vinyltriethoxysilane coupling agent down then, mixes rotating speed 900 commentaries on classics/min in homogenizer.The plastic waste that is mixed with coupling agent together is put into blend in the Banbury mixer by different prescriptions and linear low density polyethylene (LLDPE), ethylene-vinyl acetate copolymer (EVA), temperature is 145 ℃, mixed 5-10 minute, order adds auxiliary agents such as Zinic stearas, aluminium hydroxide, carbon black, fire retardant, light aging resisting agent, oxidation inhibitor (adding a kind of down after whenever adding a kind of auxiliary agent and all mixing again) then.After the material pulverizing that blend is good, the granulation, extrusion moulding on forcing machine under 150 ℃, carry out cross-linking radiation with rumbatron or cobalt source, irradiation dose is 140KGy (14Mrd), crosslinked good material utilizes pressurized air and mechanical system expansion under 155 ℃, cooling and shaping becomes product in water then.
Embodiment 2:
A kind of method with plastic waste manufacturing low pressure heat-shrinkable material is to make raw material by following material, and its weight percentages content is:
Plastic waste 40wt%
Linear low density polyethylene (LLDPE) 10wt%
Ethylene-vinyl acetate copolymer (EVA) 5wt%
Terpolymer EP rubber 12wt%
Carbon black 5wt%
Aluminium hydroxide 10wt%
Silane coupling agent 2wt%
Fire retardant FR-E 13wt%
Light aging resisting agent GW-540 3wt%.
By above-mentioned prescription weighing material, earlier that plastic waste is clean, granulation, normal temperature adds the vinyltriethoxysilane coupling agent down then, mixes rotating speed 1000 commentaries on classics/min in homogenizer.The plastic waste that is mixed with coupling agent together is put into blend in the Banbury mixer by different prescriptions and linear low density polyethylene (LLDPE), ethylene-vinyl acetate copolymer (EVA), terpolymer EP rubber, temperature is 155 ℃, mixed 5-10 minute, order adds auxiliary agents such as aluminium hydroxide, carbon black, fire retardant, light aging resisting agent (adding a kind of down after whenever adding a kind of auxiliary agent and all mixing again) then.After the material pulverizing that blend is good, the granulation, extrusion moulding on forcing machine under 158 ℃, carry out cross-linking radiation with rumbatron or cobalt source, irradiation dose is 130KGy (13Mrd), crosslinked good material utilizes pressurized air and mechanical system expansion under 160 ℃, cooling and shaping becomes product in water then.
Embodiment 3:
A kind of method with plastic waste manufacturing low pressure heat-shrinkable material is to make raw material by following material, and its weight percentages content is:
Plastic waste 30wt%
Linear low density polyethylene (LLDPE) 5wt%
Ethylene-vinyl acetate copolymer (EVA) 20wt%
Chlorosulfonated polyethylene (CPE) 15wt%
Zinic stearas 8wt%
Carbon black 15wt%
Silane coupling agent 2wt%
Fire retardant FR-E 5wt%
By above-mentioned prescription weighing material, earlier that plastic waste is clean, granulation, normal temperature adds the vinyltriethoxysilane coupling agent down then, mixes rotating speed 1200 commentaries on classics/min in homogenizer.The plastic waste that is mixed with coupling agent together is put into blend in the Banbury mixer by different prescriptions and linear low density polyethylene (LLDPE), ethylene-vinyl acetate copolymer (EVA), chlorosulfonated polyethylene (CPE), temperature is 150 ℃, mixed 5-10 minute, order adds Zinic stearas, carbon black, fire retardant (whenever add a kind of auxiliary agent all mix then add a kind of down) again then.After the material pulverizing that blend is good, the granulation, extrusion moulding on forcing machine under 155 ℃, carry out cross-linking radiation with rumbatron or cobalt source, irradiation dose is 130KGy (13Mrd), crosslinked good material utilizes pressurized air and mechanical system expansion under 155 ℃, cooling and shaping becomes product in water then.
Claims (2)
1. the method with plastic waste manufacturing low pressure heat-shrinkable material is characterized in that making raw material by following material, and its weight percentages content is:
Plastic waste 20-40wt%
Linear low density polyethylene 5-20wt%
Ethene-vinyl acetate copolymer 2-30wt%
Terpolymer EP rubber 0-20wt%
Chlorosulfonated polyethylene 0-10wt%
Zinic stearas 0-8wt%
Carbon black 5-15wt%
Aluminium hydroxide 5-20wt%
Silane coupling agent 0.5-3wt%
Fire retardant FR-E 5-20wt%
Antioxidant 1010 0.5-3wt%
Light aging resisting agent GW-540 0.5-3wt%;
Its process for making is:
A. plastic waste is clean, granulation, normal temperature adds silane coupling agent down then, in homogenizer, mix, rotating speed 850-1250 commentaries on classics/min,
Plastic waste and linear low density polyethylene, terpolymer EP rubber, ethene-vinyl acetate copolymer, the chlorosulfonated polyethylene that b. will be mixed with coupling agent together are put into blend in the Banbury mixer, temperature is 140-155 ℃, mixed 5-10 minute, order adds Zinic stearas, aluminium hydroxide, carbon black, fire retardant, light aging resisting agent, the blend of oxidation inhibitor auxiliary agent then
C. after the material pulverizing that blend is good, the granulation, extrusion moulding on forcing machine under 150-165 ℃, carry out cross-linking radiation with rumbatron or cobalt source, irradiation dose is 130-140KGy, crosslinked good material utilizes pressurized air and mechanical system expansion under 150-170 ℃, cooling and shaping becomes product in water then.
2. a kind of method with plastic waste system low pressure heat-shrinkable material according to claim 1 is characterized in that described material component weight percent content is:
Plastic waste 20wt%
Linear low density polyethylene 20wt%
Ethene-vinyl acetate copolymer 25wt%
Zinic stearas 5wt%
Carbon black 10wt%
Aluminium hydroxide 5wt%
Silane coupling agent 1wt%
Fire retardant FR-E 10wt%
Antioxidant 1010 2wt%
Light aging resisting agent GW-540 2wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133015 CN1241994C (en) | 2002-09-24 | 2002-09-24 | Method for mfg. low pressure heat-shrinkable material using waste plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133015 CN1241994C (en) | 2002-09-24 | 2002-09-24 | Method for mfg. low pressure heat-shrinkable material using waste plastics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1401704A CN1401704A (en) | 2003-03-12 |
| CN1241994C true CN1241994C (en) | 2006-02-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02133015 Expired - Fee Related CN1241994C (en) | 2002-09-24 | 2002-09-24 | Method for mfg. low pressure heat-shrinkable material using waste plastics |
Country Status (1)
| Country | Link |
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| CN (1) | CN1241994C (en) |
Families Citing this family (13)
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| CN100374495C (en) * | 2004-09-22 | 2008-03-12 | 北京化工大学 | Flame Retardant Composite Materials of Nano Aluminum Hydroxide, Clay and Ethylene-Vinyl Acetate Copolymer |
| CN101628999B (en) * | 2009-08-13 | 2011-04-06 | 湖北众联塑业有限公司 | PE waste plastic modifier and reductive modification method thereof |
| CN101759905B (en) * | 2009-10-28 | 2012-02-08 | 江苏达胜热缩材料有限公司 | Strong inflaming retarding single-wall heat-shrinkable tube and preparation method thereof |
| US20110180301A1 (en) * | 2010-01-27 | 2011-07-28 | Ahmed Ali Basfar | Cross- linked clean flame retardant wire and cable insulation compositions for enhancing mechanical properties and flame retardancy |
| CN102532643B (en) * | 2010-12-16 | 2016-02-03 | 深圳市宏商材料科技股份有限公司 | A kind of formula of oil-resisting type thermal contraction bilayer sleeve and complete processing thereof |
| CN102558658B (en) * | 2010-12-27 | 2014-06-04 | 上海宝利纳材料科技有限公司 | Manufacture method of halogen-free semiconductive shielding cable material |
| CN102321288A (en) * | 2011-07-25 | 2012-01-18 | 安徽米乐食品有限公司 | Method for recycling jelly external package returned material |
| CN102492256A (en) * | 2011-12-12 | 2012-06-13 | 湖北众联塑业有限公司 | Processing modifier for acrylonitrile butadiene styrene (ABS)/polyvinyl chloride (PVC) alloy waste board material and use method thereof |
| CN103183858A (en) * | 2011-12-29 | 2013-07-03 | 深圳市宏商材料科技股份有限公司 | Oil resistant type semihard flame retardation thermal contraction double layer sleeving and processing technology |
| CN102643468B (en) * | 2012-05-03 | 2013-07-31 | 青州市鲁创再生资源有限公司 | Regeneration polyethylene resin combination for sheath production and preparation method thereof |
| CN103709539B (en) * | 2013-12-19 | 2016-04-27 | 广州凯恒科塑有限公司 | A kind of oil resistant fire-retardant chlorinated polyethylene heat-shrinkable T bush and preparation method and application |
| CN103788519A (en) * | 2014-01-21 | 2014-05-14 | 安徽华海特种电缆集团有限公司 | High-temperature resistant mining cable sheath material |
| CN113861715A (en) * | 2021-10-09 | 2021-12-31 | 天长市瑞尔康橡塑制品有限公司 | Modified regeneration special material and preparation method thereof |
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2002
- 2002-09-24 CN CN 02133015 patent/CN1241994C/en not_active Expired - Fee Related
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| CN1401704A (en) | 2003-03-12 |
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