CN103360711A - 一种微孔发泡聚丙烯材料及其制备方法 - Google Patents
一种微孔发泡聚丙烯材料及其制备方法 Download PDFInfo
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- CN103360711A CN103360711A CN2012100867544A CN201210086754A CN103360711A CN 103360711 A CN103360711 A CN 103360711A CN 2012100867544 A CN2012100867544 A CN 2012100867544A CN 201210086754 A CN201210086754 A CN 201210086754A CN 103360711 A CN103360711 A CN 103360711A
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- polypropylene
- polypropylene material
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Links
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 96
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 93
- -1 polypropylene Polymers 0.000 title claims abstract description 76
- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 239000011148 porous material Substances 0.000 title abstract 4
- 238000005187 foaming Methods 0.000 claims abstract description 30
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 29
- 230000006911 nucleation Effects 0.000 claims abstract description 29
- 238000010899 nucleation Methods 0.000 claims abstract description 29
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004132 cross linking Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims description 40
- 239000004925 Acrylic resin Substances 0.000 claims description 29
- 229920000178 Acrylic resin Polymers 0.000 claims description 29
- 229920001903 high density polyethylene Polymers 0.000 claims description 28
- 239000004700 high-density polyethylene Substances 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 26
- 239000006260 foam Substances 0.000 claims description 25
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 238000001746 injection moulding Methods 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 11
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 6
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical group CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004971 Cross linker Substances 0.000 claims description 6
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 5
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 4
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 3
- QICVZJNIJUZAGZ-UHFFFAOYSA-N benzene;phosphorous acid Chemical compound OP(O)O.C1=CC=CC=C1 QICVZJNIJUZAGZ-UHFFFAOYSA-N 0.000 claims description 2
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 claims description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N n-octadecyl alcohol Natural products CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 14
- 229920005989 resin Polymers 0.000 abstract description 14
- 239000000155 melt Substances 0.000 abstract description 2
- 239000003431 cross linking reagent Substances 0.000 abstract 2
- 239000004566 building material Substances 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 abstract 1
- 239000005022 packaging material Substances 0.000 abstract 1
- 239000006261 foam material Substances 0.000 description 13
- 239000004793 Polystyrene Substances 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 7
- 235000006708 antioxidants Nutrition 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 206010000269 abscess Diseases 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000002700 urine Anatomy 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- 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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
-
- 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
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210086754.4A CN103360711B (zh) | 2012-03-29 | 2012-03-29 | 一种微孔发泡聚丙烯材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210086754.4A CN103360711B (zh) | 2012-03-29 | 2012-03-29 | 一种微孔发泡聚丙烯材料及其制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN103360711A true CN103360711A (zh) | 2013-10-23 |
CN103360711B CN103360711B (zh) | 2017-06-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210086754.4A Expired - Fee Related CN103360711B (zh) | 2012-03-29 | 2012-03-29 | 一种微孔发泡聚丙烯材料及其制备方法 |
Country Status (1)
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CN (1) | CN103360711B (zh) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104151732A (zh) * | 2014-08-18 | 2014-11-19 | 苏州市盛百威包装设备有限公司 | 一种三烯丙基胺薄膜包装材料及其制备方法 |
CN105001509A (zh) * | 2015-06-24 | 2015-10-28 | 南京聚隆科技股份有限公司 | 一种高表面质量聚丙烯微发泡材料及其制备方法 |
CN105037952A (zh) * | 2015-06-29 | 2015-11-11 | 广州敬信高聚物科技有限公司 | 一种聚丙烯泡沫组合物及其制备方法和应用 |
CN106147036A (zh) * | 2015-03-31 | 2016-11-23 | 三斯达(江苏)环保科技有限公司 | 一种可回收循环使用的发泡材料及其制造方法 |
CN106751001A (zh) * | 2016-12-27 | 2017-05-31 | 上海普利特复合材料股份有限公司 | 一种高表面质量聚丙烯微发泡复合材料及其制备方法 |
CN107163417A (zh) * | 2017-07-05 | 2017-09-15 | 三斯达(江苏)环保科技有限公司 | 一种发泡用组合物、发泡材料及其制造方法 |
CN107200929A (zh) * | 2016-03-16 | 2017-09-26 | 青岛科技大学 | 一种丙烯共聚物微孔发泡材料及其制备方法 |
CN110791022A (zh) * | 2019-09-24 | 2020-02-14 | 宁波一彬电子科技股份有限公司 | 一种微发泡注塑用高熔体强度聚丙烯及其制备方法 |
CN111073156A (zh) * | 2019-12-19 | 2020-04-28 | 广州市合诚化学有限公司 | 一种微交联发泡大输液软袋用连接体材料及制备方法与应用 |
CN111073132A (zh) * | 2018-10-18 | 2020-04-28 | 重庆霏欧纳科技有限公司 | 一种新型塑料泡沫配方及其制备方法 |
CN113292760A (zh) * | 2021-05-20 | 2021-08-24 | 北京化工大学 | 交联间规聚丙烯泡沫及其制备方法和应用 |
CN113717504A (zh) * | 2021-09-08 | 2021-11-30 | 北京化工大学常州先进材料研究院 | 一种相分离制备pbat/pp复合发泡材料的方法 |
CN113831632A (zh) * | 2020-06-24 | 2021-12-24 | 合肥杰事杰新材料股份有限公司 | 一种发泡聚丙烯板材及其制备方法 |
CN114015186A (zh) * | 2021-10-08 | 2022-02-08 | 广州敬信高聚物科技有限公司 | 一种发泡聚丙烯材料及其制备方法和应用 |
CN115232396A (zh) * | 2022-07-12 | 2022-10-25 | 广州汽车集团股份有限公司 | 一种聚丙烯复合材料、汽车风管及其制备方法 |
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CN101215394A (zh) * | 2008-01-15 | 2008-07-09 | 泉州公元纺织有限公司 | 可降解环保型聚丙烯(pp)泡沫塑料及其制备方法 |
CN101352923A (zh) * | 2008-08-26 | 2009-01-28 | 浙江华江科技发展有限公司 | 一种挤出物理发泡聚丙烯珠粒的制备方法 |
CN101613488A (zh) * | 2009-07-14 | 2009-12-30 | 四川大学 | 一种聚丙烯及其共混物粒子物理气体发泡的制备方法 |
CN102086280A (zh) * | 2009-12-04 | 2011-06-08 | 中国石油化工股份有限公司 | 一种聚丙烯纳米复合材料的制备方法 |
CN102276923A (zh) * | 2011-08-29 | 2011-12-14 | 成都市新津事丰医疗器械有限公司 | 一种发泡聚丙烯材料 |
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Patent Citations (5)
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CN101215394A (zh) * | 2008-01-15 | 2008-07-09 | 泉州公元纺织有限公司 | 可降解环保型聚丙烯(pp)泡沫塑料及其制备方法 |
CN101352923A (zh) * | 2008-08-26 | 2009-01-28 | 浙江华江科技发展有限公司 | 一种挤出物理发泡聚丙烯珠粒的制备方法 |
CN101613488A (zh) * | 2009-07-14 | 2009-12-30 | 四川大学 | 一种聚丙烯及其共混物粒子物理气体发泡的制备方法 |
CN102086280A (zh) * | 2009-12-04 | 2011-06-08 | 中国石油化工股份有限公司 | 一种聚丙烯纳米复合材料的制备方法 |
CN102276923A (zh) * | 2011-08-29 | 2011-12-14 | 成都市新津事丰医疗器械有限公司 | 一种发泡聚丙烯材料 |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104151732B (zh) * | 2014-08-18 | 2016-04-27 | 苏州市盛百威包装设备有限公司 | 一种三烯丙基胺薄膜包装材料及其制备方法 |
CN104151732A (zh) * | 2014-08-18 | 2014-11-19 | 苏州市盛百威包装设备有限公司 | 一种三烯丙基胺薄膜包装材料及其制备方法 |
CN106147036A (zh) * | 2015-03-31 | 2016-11-23 | 三斯达(江苏)环保科技有限公司 | 一种可回收循环使用的发泡材料及其制造方法 |
CN105001509B (zh) * | 2015-06-24 | 2017-06-06 | 南京聚隆科技股份有限公司 | 一种高表面质量聚丙烯微发泡材料及其制备方法 |
CN105001509A (zh) * | 2015-06-24 | 2015-10-28 | 南京聚隆科技股份有限公司 | 一种高表面质量聚丙烯微发泡材料及其制备方法 |
CN105037952A (zh) * | 2015-06-29 | 2015-11-11 | 广州敬信高聚物科技有限公司 | 一种聚丙烯泡沫组合物及其制备方法和应用 |
CN107200929B (zh) * | 2016-03-16 | 2023-01-10 | 青岛科技大学 | 一种丙烯共聚物微孔发泡材料及其制备方法 |
CN107200929A (zh) * | 2016-03-16 | 2017-09-26 | 青岛科技大学 | 一种丙烯共聚物微孔发泡材料及其制备方法 |
CN106751001A (zh) * | 2016-12-27 | 2017-05-31 | 上海普利特复合材料股份有限公司 | 一种高表面质量聚丙烯微发泡复合材料及其制备方法 |
CN107163417A (zh) * | 2017-07-05 | 2017-09-15 | 三斯达(江苏)环保科技有限公司 | 一种发泡用组合物、发泡材料及其制造方法 |
CN107163417B (zh) * | 2017-07-05 | 2021-03-02 | 三斯达(江苏)环保科技有限公司 | 一种发泡用组合物、发泡材料及其制造方法 |
CN111073132A (zh) * | 2018-10-18 | 2020-04-28 | 重庆霏欧纳科技有限公司 | 一种新型塑料泡沫配方及其制备方法 |
CN110791022A (zh) * | 2019-09-24 | 2020-02-14 | 宁波一彬电子科技股份有限公司 | 一种微发泡注塑用高熔体强度聚丙烯及其制备方法 |
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