CN102046663A - 双峰聚乙烯的方法及产品 - Google Patents
双峰聚乙烯的方法及产品 Download PDFInfo
- Publication number
- CN102046663A CN102046663A CN200980120460.5A CN200980120460A CN102046663A CN 102046663 A CN102046663 A CN 102046663A CN 200980120460 A CN200980120460 A CN 200980120460A CN 102046663 A CN102046663 A CN 102046663A
- Authority
- CN
- China
- Prior art keywords
- density
- minute
- reactor
- bimodal
- polymkeric substance
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- Pending
Links
- 230000002902 bimodal effect Effects 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims description 49
- 239000004698 Polyethylene Substances 0.000 title claims description 44
- 229920000573 polyethylene Polymers 0.000 title claims description 44
- -1 polyethylene Polymers 0.000 title claims description 42
- 230000008569 process Effects 0.000 title claims description 17
- 229920005989 resin Polymers 0.000 claims abstract description 54
- 239000011347 resin Substances 0.000 claims abstract description 54
- 229920013716 polyethylene resin Polymers 0.000 claims abstract description 38
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims description 24
- 229920001903 high density polyethylene Polymers 0.000 claims description 23
- 239000004700 high-density polyethylene Substances 0.000 claims description 23
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 19
- 239000001257 hydrogen Substances 0.000 claims description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 16
- 229940063583 high-density polyethylene Drugs 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 12
- SJJCABYOVIHNPZ-UHFFFAOYSA-N cyclohexyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C1CCCCC1 SJJCABYOVIHNPZ-UHFFFAOYSA-N 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 239000004711 α-olefin Substances 0.000 claims description 7
- 239000005977 Ethylene Substances 0.000 claims description 4
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 150000003624 transition metals Chemical class 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 230000009257 reactivity Effects 0.000 claims description 3
- 239000011949 solid catalyst Substances 0.000 claims description 3
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 3
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003607 modifier Substances 0.000 abstract description 16
- 239000002002 slurry Substances 0.000 abstract description 11
- 239000011954 Ziegler–Natta catalyst Substances 0.000 abstract description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 34
- 239000000047 product Substances 0.000 description 24
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 15
- 229910000077 silane Inorganic materials 0.000 description 14
- 238000012360 testing method Methods 0.000 description 12
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 11
- 239000003054 catalyst Substances 0.000 description 10
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 8
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 8
- 239000011342 resin composition Substances 0.000 description 7
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000007334 copolymerization reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 229920001519 homopolymer Polymers 0.000 description 4
- 239000012968 metallocene catalyst Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000011872 intimate mixture Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000518 rheometry Methods 0.000 description 3
- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006353 environmental stress Effects 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000007818 Grignard reagent Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910021550 Vanadium Chloride Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910000091 aluminium hydride Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004104 aryloxy group Chemical group 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 229910014307 bSiO Inorganic materials 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 1
- CQYBWJYIKCZXCN-UHFFFAOYSA-N diethylaluminum Chemical compound CC[Al]CC CQYBWJYIKCZXCN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- GCPCLEKQVMKXJM-UHFFFAOYSA-N ethoxy(diethyl)alumane Chemical compound CCO[Al](CC)CC GCPCLEKQVMKXJM-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000004795 grignard reagents Chemical class 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000008301 phosphite esters Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- SQBBHCOIQXKPHL-UHFFFAOYSA-N tributylalumane Chemical compound CCCC[Al](CCCC)CCCC SQBBHCOIQXKPHL-UHFFFAOYSA-N 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/156,844 | 2008-06-05 | ||
| US12/156,844 US20090304966A1 (en) | 2008-06-05 | 2008-06-05 | Bimodal polyethylene process and products |
| PCT/US2009/002720 WO2009148487A1 (en) | 2008-06-05 | 2009-05-01 | Bimodal polyethylene process and products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102046663A true CN102046663A (zh) | 2011-05-04 |
Family
ID=40740052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980120460.5A Pending CN102046663A (zh) | 2008-06-05 | 2009-05-01 | 双峰聚乙烯的方法及产品 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US20090304966A1 (https=) |
| EP (1) | EP2285834A1 (https=) |
| JP (1) | JP2011522923A (https=) |
| KR (1) | KR20110029120A (https=) |
| CN (1) | CN102046663A (https=) |
| BR (1) | BRPI0913350A2 (https=) |
| RU (1) | RU2010153869A (https=) |
| WO (1) | WO2009148487A1 (https=) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104755549A (zh) * | 2012-10-22 | 2015-07-01 | 巴塞尔聚烯烃股份有限公司 | 具有高膨胀比的聚乙烯组合物 |
| CN109641988A (zh) * | 2016-07-14 | 2019-04-16 | 埃克森美孚化学专利公司 | 双金属茂催化的双峰共聚物组合物 |
| CN109790229A (zh) * | 2016-09-12 | 2019-05-21 | 泰国聚乙烯有限公司 | 双峰聚乙烯组合物和包含该组合物的管 |
| CN110191902A (zh) * | 2017-02-13 | 2019-08-30 | 尤尼威蒂恩技术有限责任公司 | 双峰聚乙烯树脂 |
| CN110540690A (zh) * | 2019-09-04 | 2019-12-06 | 浙江大学 | 一种双峰高密度聚乙烯树脂及其制备方法 |
| CN114507309A (zh) * | 2020-11-17 | 2022-05-17 | 韩华道达尔有限公司 | 用于二次电池隔膜的聚乙烯树脂、制造其的方法以及应用其的隔膜 |
| CN118791658A (zh) * | 2023-04-13 | 2024-10-18 | 中国石油化工股份有限公司 | 管材用双峰聚乙烯树脂及其制备方法和应用 |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2407506A1 (en) * | 2010-07-13 | 2012-01-18 | Borealis AG | Pipes made from a polyethylene copolymer with slow crack growth |
| RU2586977C2 (ru) * | 2011-04-19 | 2016-06-10 | Базелль Полиолефине Гмбх | Новая полимерная композиция для применения в выдувном формовании |
| JP6001187B2 (ja) * | 2012-10-22 | 2016-10-05 | バーゼル・ポリオレフィン・ゲーエムベーハー | 高いスウェル比を有するポリエチレン組成物の製造方法 |
| US20140127438A1 (en) | 2012-11-08 | 2014-05-08 | Robert L. Sherman, Jr. | Stabilized high-density polyethylene composition with improved resistance to deterioration and stabilizer system |
| KR102210037B1 (ko) * | 2012-12-21 | 2021-02-01 | 다우 글로벌 테크놀로지스 엘엘씨 | 개선된 발포성 및 향상된 가공성을 위한 폴리올레핀-기재 케이블 화합물 제제 |
| EP2935453B1 (en) * | 2012-12-21 | 2019-07-24 | Dow Global Technologies LLC | Polyolefin-based compound for cable jacket with reduced shrinkage and enhanced processability |
| CN105229042B (zh) * | 2013-02-27 | 2017-12-19 | 巴塞尔聚烯烃股份有限公司 | 聚乙烯方法及其组合物 |
| PT3293206T (pt) | 2016-09-12 | 2020-01-07 | Scg Chemicals Co Ltd | Tubo de polietileno multimodal |
| HUE045763T2 (hu) | 2016-09-12 | 2020-01-28 | Thai Polyethylene Co Ltd | Multimodális polietilén csavaros kupak |
| EP3293213B1 (en) | 2016-09-12 | 2019-08-14 | Thai Polyethylene Co., Ltd. | Multimodal polyethylene container |
| EP3293209B1 (en) | 2016-09-12 | 2019-08-14 | Thai Polyethylene Co., Ltd. | Multimodal polyethylene thin film |
| HUE047431T2 (hu) | 2016-09-12 | 2020-04-28 | Thai Polyethylene Co Ltd | Multimodális polietilén csõ |
| PT3530675T (pt) | 2016-09-12 | 2021-07-23 | Scg Chemicals Co Ltd | Sistema de reator para polimerização de polietileno multimodal |
| PL3293214T3 (pl) | 2016-09-12 | 2020-07-27 | Thai Polyethylene Co., Ltd. | Wielomodalny polietylen o ultradużej masie cząsteczkowej o wysokich parametrach |
| EP3293210B1 (en) | 2016-09-12 | 2019-03-06 | Thai Polyethylene Co., Ltd. | Multimodal polyethylene film |
| CN112752771B (zh) * | 2018-08-29 | 2023-05-23 | 尤尼威蒂恩技术有限责任公司 | 双峰聚乙烯共聚物和其薄膜 |
| EP4143241A1 (en) | 2020-04-30 | 2023-03-08 | Dow Global Technologies LLC | Ziegler-natta (pro)catalyst systems made with (multi-alkoxy)silane compound |
| PL4172114T3 (pl) * | 2020-08-31 | 2024-09-02 | Veolia Water Solutions & Technologies Support | Wykorzystanie nośnika biofilmu do reaktorów z ruchomym złożem biofilmowym |
| WO2022066550A1 (en) | 2020-09-22 | 2022-03-31 | Dow Global Technologies Llc | Bimodal polyethylene copolymer and film thereof |
| AR128453A1 (es) | 2022-02-11 | 2024-05-08 | Dow Global Technologies Llc | Composiciones de polietileno de densidad media bimodal adecuadas para el uso como cintas de goteo de microirrigación |
| EP4587514A1 (en) | 2022-10-11 | 2025-07-23 | Dow Global Technologies LLC | Bimodal hdpe and polyethylene blend containing virgin and recycled hdpe materials |
| WO2024081271A1 (en) | 2022-10-11 | 2024-04-18 | Dow Global Technologies Llc | Polyethylene blends containing virgin and recycled hdpe materials |
| CN121548592A (zh) | 2023-06-23 | 2026-02-17 | 尤尼威蒂恩技术有限责任公司 | 单反应器制备的双峰高密度聚乙烯共聚物及方法和制品 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5447783A (en) * | 1977-09-22 | 1979-04-14 | Nissan Chem Ind Ltd | Preparation of ethylene polymer |
| JPS54146885A (en) * | 1978-05-10 | 1979-11-16 | Nissan Chem Ind Ltd | Improved polymerization process for ethylene |
| US4464518A (en) * | 1981-06-24 | 1984-08-07 | Nissan Chemical Industries, Ltd. | Process for the polymerization or copolymerization of ethylene |
| US4927797A (en) * | 1987-04-09 | 1990-05-22 | Fina Technology, Inc. | Catalyst system for the polymerization of olefins |
| ATE225810T1 (de) * | 1997-09-27 | 2002-10-15 | Atofina Res | Herstellung von polyäthylen mit einer verbesserten widerstandsfähigkeit gegen risse und/oder schlagzähigkeit |
| US6486270B1 (en) * | 2000-08-25 | 2002-11-26 | Equistar Chemicals, Lp | High molecular weight, medium density polyethylene |
| US7151145B1 (en) * | 2005-07-13 | 2006-12-19 | Equistar Chemicals, Lp | Process for narrowing short-chain branching distribution in two-step ethylene polymerizations and products |
| US7666960B2 (en) * | 2006-04-13 | 2010-02-23 | Equistar Chemicals, Lp | Process for the production of ethylene copolymers |
-
2008
- 2008-06-05 US US12/156,844 patent/US20090304966A1/en not_active Abandoned
-
2009
- 2009-05-01 KR KR1020107027113A patent/KR20110029120A/ko not_active Withdrawn
- 2009-05-01 BR BRPI0913350A patent/BRPI0913350A2/pt not_active IP Right Cessation
- 2009-05-01 RU RU2010153869/04A patent/RU2010153869A/ru not_active Application Discontinuation
- 2009-05-01 EP EP09758651A patent/EP2285834A1/en not_active Withdrawn
- 2009-05-01 WO PCT/US2009/002720 patent/WO2009148487A1/en not_active Ceased
- 2009-05-01 CN CN200980120460.5A patent/CN102046663A/zh active Pending
- 2009-05-01 JP JP2011512444A patent/JP2011522923A/ja not_active Withdrawn
-
2012
- 2012-01-26 US US13/358,799 patent/US20120123067A1/en not_active Abandoned
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104755549A (zh) * | 2012-10-22 | 2015-07-01 | 巴塞尔聚烯烃股份有限公司 | 具有高膨胀比的聚乙烯组合物 |
| CN104755549B (zh) * | 2012-10-22 | 2017-05-24 | 巴塞尔聚烯烃股份有限公司 | 具有高膨胀比的聚乙烯组合物 |
| CN109641988A (zh) * | 2016-07-14 | 2019-04-16 | 埃克森美孚化学专利公司 | 双金属茂催化的双峰共聚物组合物 |
| CN109641988B (zh) * | 2016-07-14 | 2021-09-14 | 埃克森美孚化学专利公司 | 双金属茂催化的双峰共聚物组合物 |
| CN109790229A (zh) * | 2016-09-12 | 2019-05-21 | 泰国聚乙烯有限公司 | 双峰聚乙烯组合物和包含该组合物的管 |
| CN109790229B (zh) * | 2016-09-12 | 2021-08-06 | 泰国聚乙烯有限公司 | 双峰聚乙烯组合物和包含该组合物的管 |
| CN110191902A (zh) * | 2017-02-13 | 2019-08-30 | 尤尼威蒂恩技术有限责任公司 | 双峰聚乙烯树脂 |
| CN110540690A (zh) * | 2019-09-04 | 2019-12-06 | 浙江大学 | 一种双峰高密度聚乙烯树脂及其制备方法 |
| CN114507309A (zh) * | 2020-11-17 | 2022-05-17 | 韩华道达尔有限公司 | 用于二次电池隔膜的聚乙烯树脂、制造其的方法以及应用其的隔膜 |
| CN114507309B (zh) * | 2020-11-17 | 2024-05-28 | 韩华道达尔能源有限公司 | 用于二次电池隔膜的聚乙烯树脂、制造其的方法以及应用其的隔膜 |
| CN118791658A (zh) * | 2023-04-13 | 2024-10-18 | 中国石油化工股份有限公司 | 管材用双峰聚乙烯树脂及其制备方法和应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110029120A (ko) | 2011-03-22 |
| US20120123067A1 (en) | 2012-05-17 |
| JP2011522923A (ja) | 2011-08-04 |
| WO2009148487A1 (en) | 2009-12-10 |
| EP2285834A1 (en) | 2011-02-23 |
| RU2010153869A (ru) | 2012-07-20 |
| BRPI0913350A2 (pt) | 2015-11-24 |
| US20090304966A1 (en) | 2009-12-10 |
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