CN102850696A - 一种高韧性聚氯乙烯管材 - Google Patents
一种高韧性聚氯乙烯管材 Download PDFInfo
- Publication number
- CN102850696A CN102850696A CN2012103533808A CN201210353380A CN102850696A CN 102850696 A CN102850696 A CN 102850696A CN 2012103533808 A CN2012103533808 A CN 2012103533808A CN 201210353380 A CN201210353380 A CN 201210353380A CN 102850696 A CN102850696 A CN 102850696A
- Authority
- CN
- China
- Prior art keywords
- parts
- polyvinyl chloride
- high tenacity
- districts
- polychloroethylene pipes
- Prior art date
- 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.)
- Granted
Links
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 21
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 11
- -1 polytrimethylene terephthalate Polymers 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 239000004801 Chlorinated PVC Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 claims abstract description 6
- 239000003381 stabilizer Substances 0.000 claims abstract description 6
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 4
- UMKARVFXJJITLN-UHFFFAOYSA-N lead;phosphorous acid Chemical compound [Pb].OP(O)O UMKARVFXJJITLN-UHFFFAOYSA-N 0.000 claims abstract description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 3
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229920001577 copolymer Polymers 0.000 claims abstract description 3
- 239000007822 coupling agent Substances 0.000 claims abstract description 3
- 239000003365 glass fiber Substances 0.000 claims abstract description 3
- 229920002215 polytrimethylene terephthalate Polymers 0.000 claims abstract description 3
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 3
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000036760 body temperature Effects 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000001993 wax Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 150000003923 2,5-pyrrolediones Chemical class 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 244000248349 Citrus limon Species 0.000 claims description 2
- 235000005979 Citrus limon Nutrition 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- FYOYCZHNDCCGCE-UHFFFAOYSA-N diphenyl hydrogen phosphite Chemical class C=1C=CC=CC=1OP(O)OC1=CC=CC=C1 FYOYCZHNDCCGCE-UHFFFAOYSA-N 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 235000019359 magnesium stearate Nutrition 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 229910010271 silicon carbide Inorganic materials 0.000 abstract description 2
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 abstract 1
- 239000004952 Polyamide Substances 0.000 abstract 1
- 239000003086 colorant Substances 0.000 abstract 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 abstract 1
- KUMNEOGIHFCNQW-UHFFFAOYSA-N diphenyl phosphite Chemical compound C=1C=CC=CC=1OP([O-])OC1=CC=CC=C1 KUMNEOGIHFCNQW-UHFFFAOYSA-N 0.000 abstract 1
- 229910052863 mullite Inorganic materials 0.000 abstract 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- 229920002647 polyamide Polymers 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210353380.8A CN102850696B (zh) | 2012-09-20 | 2012-09-20 | 一种高韧性聚氯乙烯管材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210353380.8A CN102850696B (zh) | 2012-09-20 | 2012-09-20 | 一种高韧性聚氯乙烯管材 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102850696A true CN102850696A (zh) | 2013-01-02 |
CN102850696B CN102850696B (zh) | 2014-04-23 |
Family
ID=47397703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210353380.8A Expired - Fee Related CN102850696B (zh) | 2012-09-20 | 2012-09-20 | 一种高韧性聚氯乙烯管材 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102850696B (zh) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103289262A (zh) * | 2013-02-28 | 2013-09-11 | 章磊 | 一种耐热耐磨抗老化pvc弹性体材料 |
CN103524830A (zh) * | 2013-09-25 | 2014-01-22 | 吴江市天源塑胶有限公司 | 一种导热抗静电塑料 |
CN103602022A (zh) * | 2013-11-19 | 2014-02-26 | 青岛广联达精密机械有限公司 | 一种高硬度聚氯乙烯管材 |
CN104017288A (zh) * | 2013-02-28 | 2014-09-03 | 章磊 | 一种耐热耐磨抗老化pvc弹性体材料 |
CN104017287A (zh) * | 2013-02-28 | 2014-09-03 | 章磊 | 一种耐热耐磨抗老化pvc弹性体材料 |
CN104497446A (zh) * | 2014-12-19 | 2015-04-08 | 黄文鹏 | 一种聚氯乙烯复合管材及其制备方法 |
CN104500874A (zh) * | 2014-12-19 | 2015-04-08 | 黄文鹏 | 一种钢带增强聚氯乙烯螺旋波纹管及其制备方法 |
CN104893144A (zh) * | 2015-05-26 | 2015-09-09 | 苏州宏恒化工有限公司 | 一种壁纸专用的pvc树脂糊料及其制备方法 |
CN105153569A (zh) * | 2015-07-09 | 2015-12-16 | 镇江荣诚管业有限公司 | 一种绿色环保型管材及其制备方法 |
CN105348698A (zh) * | 2015-11-30 | 2016-02-24 | 芜湖成德龙过滤设备有限公司 | 套管材料组合物和套管材料的制备方法 |
CN105440221A (zh) * | 2015-11-24 | 2016-03-30 | 安徽世林照明股份有限公司 | 一种塑料助剂及其制备方法 |
CN106009548A (zh) * | 2016-07-28 | 2016-10-12 | 无锡市凯达来塑胶有限公司 | 一种聚氯乙烯防霉地板 |
CN106247032A (zh) * | 2016-08-24 | 2016-12-21 | 江苏长风波纹管有限公司 | 一种钢带增强型聚氯乙烯螺旋波纹管及其制备方法 |
CN106243424A (zh) * | 2016-07-28 | 2016-12-21 | 无锡市凯达来塑胶有限公司 | 一种聚氯乙烯轻薄地板 |
CN106674792A (zh) * | 2016-11-14 | 2017-05-17 | 芜湖天鸿汽车零部件有限公司 | 一种管道加工用挤出模具材料及其制备方法 |
CN107082979A (zh) * | 2017-05-08 | 2017-08-22 | 太仓市龙华塑胶有限公司 | 一种抗拉性塑料管 |
CN107972720A (zh) * | 2017-11-28 | 2018-05-01 | 浙江多宝贝婴童用品有限公司 | 一种采用电动自动折叠的婴儿手推车 |
CN107987425A (zh) * | 2017-12-19 | 2018-05-04 | 安徽华塑股份有限公司 | 一种提高聚氯乙烯共混时界面结合强度的方法 |
CN109971087A (zh) * | 2019-02-22 | 2019-07-05 | 杨沾 | 一种市政施工用排水管及其制备方法 |
CN112356518A (zh) * | 2020-10-26 | 2021-02-12 | 安徽天康特种钢管有限公司 | 一种环保清淤用耐高压管 |
CN114316468A (zh) * | 2021-12-28 | 2022-04-12 | 苏州锐驰朗新材料有限公司 | 一种高韧性聚氯乙烯片材 |
CN114561960A (zh) * | 2022-03-22 | 2022-05-31 | 广州宁致建筑工程有限公司 | 一种房建深基坑施工用防护结构及其防护方法 |
CN115948006A (zh) * | 2022-12-21 | 2023-04-11 | 康泰塑胶科技集团有限公司 | 一种双壁波纹管材及其制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102134360B (zh) * | 2011-05-10 | 2012-06-06 | 上海远洲管业有限公司 | 一种超强耐高温氯化聚氯乙烯管材的制备方法 |
-
2012
- 2012-09-20 CN CN201210353380.8A patent/CN102850696B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102134360B (zh) * | 2011-05-10 | 2012-06-06 | 上海远洲管业有限公司 | 一种超强耐高温氯化聚氯乙烯管材的制备方法 |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103289262A (zh) * | 2013-02-28 | 2013-09-11 | 章磊 | 一种耐热耐磨抗老化pvc弹性体材料 |
CN104017288A (zh) * | 2013-02-28 | 2014-09-03 | 章磊 | 一种耐热耐磨抗老化pvc弹性体材料 |
CN104017287A (zh) * | 2013-02-28 | 2014-09-03 | 章磊 | 一种耐热耐磨抗老化pvc弹性体材料 |
CN103289262B (zh) * | 2013-02-28 | 2015-08-12 | 章磊 | 一种耐热耐磨抗老化pvc弹性体材料 |
CN103524830A (zh) * | 2013-09-25 | 2014-01-22 | 吴江市天源塑胶有限公司 | 一种导热抗静电塑料 |
CN103602022A (zh) * | 2013-11-19 | 2014-02-26 | 青岛广联达精密机械有限公司 | 一种高硬度聚氯乙烯管材 |
CN104497446A (zh) * | 2014-12-19 | 2015-04-08 | 黄文鹏 | 一种聚氯乙烯复合管材及其制备方法 |
CN104500874A (zh) * | 2014-12-19 | 2015-04-08 | 黄文鹏 | 一种钢带增强聚氯乙烯螺旋波纹管及其制备方法 |
CN104893144A (zh) * | 2015-05-26 | 2015-09-09 | 苏州宏恒化工有限公司 | 一种壁纸专用的pvc树脂糊料及其制备方法 |
CN105153569A (zh) * | 2015-07-09 | 2015-12-16 | 镇江荣诚管业有限公司 | 一种绿色环保型管材及其制备方法 |
CN105440221A (zh) * | 2015-11-24 | 2016-03-30 | 安徽世林照明股份有限公司 | 一种塑料助剂及其制备方法 |
CN105348698A (zh) * | 2015-11-30 | 2016-02-24 | 芜湖成德龙过滤设备有限公司 | 套管材料组合物和套管材料的制备方法 |
CN106009548A (zh) * | 2016-07-28 | 2016-10-12 | 无锡市凯达来塑胶有限公司 | 一种聚氯乙烯防霉地板 |
CN106243424A (zh) * | 2016-07-28 | 2016-12-21 | 无锡市凯达来塑胶有限公司 | 一种聚氯乙烯轻薄地板 |
CN106247032A (zh) * | 2016-08-24 | 2016-12-21 | 江苏长风波纹管有限公司 | 一种钢带增强型聚氯乙烯螺旋波纹管及其制备方法 |
CN106674792A (zh) * | 2016-11-14 | 2017-05-17 | 芜湖天鸿汽车零部件有限公司 | 一种管道加工用挤出模具材料及其制备方法 |
CN107082979A (zh) * | 2017-05-08 | 2017-08-22 | 太仓市龙华塑胶有限公司 | 一种抗拉性塑料管 |
CN107972720B (zh) * | 2017-11-28 | 2021-01-05 | 浙江多宝贝婴童用品有限公司 | 一种采用电动自动折叠的婴儿手推车 |
CN107972720A (zh) * | 2017-11-28 | 2018-05-01 | 浙江多宝贝婴童用品有限公司 | 一种采用电动自动折叠的婴儿手推车 |
CN107987425A (zh) * | 2017-12-19 | 2018-05-04 | 安徽华塑股份有限公司 | 一种提高聚氯乙烯共混时界面结合强度的方法 |
CN109971087A (zh) * | 2019-02-22 | 2019-07-05 | 杨沾 | 一种市政施工用排水管及其制备方法 |
CN112356518A (zh) * | 2020-10-26 | 2021-02-12 | 安徽天康特种钢管有限公司 | 一种环保清淤用耐高压管 |
CN114316468A (zh) * | 2021-12-28 | 2022-04-12 | 苏州锐驰朗新材料有限公司 | 一种高韧性聚氯乙烯片材 |
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