KR950014147A - 크롬-함유 촉매 및 이트륨-함유 촉매로 구성된, 알파-올레핀의 중합을 위한 촉매계 - Google Patents
크롬-함유 촉매 및 이트륨-함유 촉매로 구성된, 알파-올레핀의 중합을 위한 촉매계 Download PDFInfo
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- catalyst system
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- chromium
- yttrium
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- 239000003054 catalyst Substances 0.000 title claims abstract 58
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract 15
- 229910052804 chromium Inorganic materials 0.000 title claims abstract 15
- 239000011651 chromium Substances 0.000 title claims abstract 15
- 229910052727 yttrium Inorganic materials 0.000 title claims abstract 14
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 title claims abstract 14
- 238000006116 polymerization reaction Methods 0.000 title claims abstract 8
- 239000004711 α-olefin Substances 0.000 title claims abstract 3
- 229920000642 polymer Polymers 0.000 claims abstract 13
- 238000000034 method Methods 0.000 claims abstract 8
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract 4
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims abstract 4
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims abstract 4
- 150000001340 alkali metals Chemical class 0.000 claims abstract 2
- 125000000217 alkyl group Chemical group 0.000 claims abstract 2
- 125000005103 alkyl silyl group Chemical group 0.000 claims abstract 2
- 229910052736 halogen Inorganic materials 0.000 claims abstract 2
- 239000003446 ligand Substances 0.000 claims abstract 2
- 239000002131 composite material Substances 0.000 claims 12
- 239000000843 powder Substances 0.000 claims 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims 9
- 239000011248 coating agent Substances 0.000 claims 6
- 238000000576 coating method Methods 0.000 claims 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 3
- 239000000178 monomer Substances 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical group [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 150000001805 chlorine compounds Chemical group 0.000 claims 2
- 239000013256 coordination polymer Substances 0.000 claims 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 2
- 239000001257 hydrogen Substances 0.000 claims 2
- 229920000573 polyethylene Polymers 0.000 claims 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229910002091 carbon monoxide Inorganic materials 0.000 claims 1
- 229910000423 chromium oxide Inorganic materials 0.000 claims 1
- -1 cyclopropyl Pentadienyl Chemical group 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 150000002367 halogens Chemical group 0.000 claims 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical group I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 claims 1
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 125000002097 pentamethylcyclopentadienyl group Chemical group 0.000 claims 1
- 229910052700 potassium Chemical group 0.000 claims 1
- 239000011591 potassium Chemical group 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 125000001424 substituent group Chemical group 0.000 claims 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 229920000098 polyolefin Polymers 0.000 abstract 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/54—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with other compounds thereof
- C08F4/545—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with other compounds thereof rare earths being present, e.g. triethylaluminium + neodymium octanoate
-
- 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
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/69—Chromium, molybdenum, tungsten or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/126—Polymer particles coated by polymer, e.g. core shell structures
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S525/902—Core-shell
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen
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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
Abstract
식(Cp2YXx)y·M2Ln(이때 Cp는 시클로펜타디에닐, 또는 알킬 또는 알킬 실릴 라디칼로 치환된 시클로펜타디에닐이고, X는 할로겐이고, M은 알칼리 금속이고, L은 적당한 전자 주게 리간드이고, x는 1 또는 2이고, y는 1 또는 2이고, 7는 0 또는 1이며, n은 안정한 복합체를 형성하기 위해 필요한 값에 상응하는 수인데, 단 y가 2일때 z및 n은 0임)로 표현되는 이트륨-함유 촉매 및 크롬-함유 촉매로 구성된,알파-올레핀의 중합을 위한 촉매계가 제공된다. 또한 상기 촉매계를 이용하는 중합 방법, 및 신규한 올레핀 중합체가 공개된다. 결과로서 생산된 중합체는 높은 부피밀도 및 광범위한 분자량 분포를 나타낸다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (36)
- 이트륨-함유 촉매 및 크롬-함유 촉매로 구성된, 알파-올레핀의 중합을 위한 촉매계로서, 이때 상기 이트륨-함유 촉매는 식(Cp2YXx)y·M2Ln으로 표현되며 상기 식에서 Cp는 시클로펜타디에닐, 또는 알킬 또는 알킬 실릴 라디칼로 치환된 시클로펜타디에닐이고, X는 할로겐이고, M은 알칼리 금속이고,L은 적합한 전자 주게 리간드이고, x는 1 또는 2이고, y는 1 또는 2이고, z는 0 또는 1이며, n은 안정한 복합체를 형성하기 위해 필요한 값에 상응하는 수인데, 단 y가 2일때 z및 n은 0인 촉매계.
- 제1항에 있어서, 상기 치환 시클로펜타디에닐의 상기 치환제 각각은 1-4개의 탄소 원자를 가지는 촉매계.
- 제1항에 있어서, Cp가 펜타메틸시클로펜타디에닐인 촉매계.
- 제1항에 있어서, X가 염화물 또는 요오드화물인 촉매계.
- 제4항에 있어서, X가 염화물인 촉매계.
- 제1항에 있어서, 상기 이트륨-함유 촉매가 식 (Cp2YX)2로 표현되는 촉매계.
- 제1항에 있어서, L은 테트라히드로푸란, 디에틸 에테르, 또는 N, N, N′N′-테트라메틸에틸렌 디아민인 촉매계.
- 제7항에 있어서, L은 테트라히드로푸란인 촉매계.
- 제8항에 있어서, 상기 이트륨-함유 촉매는 식 Cp2YX·THF로 표현되는 촉매계
- 제1항에 있어서, M은 리튬 또는 칼륨인 촉매계.
- 제10항에 있어서, 상기 이트륨-함유 촉매가 식 : CP2YCl2·K(THF)n으로 표현되는 촉매계.
- 제10항에 있어서, 상기 이트륨-함유 촉매가 식 : CP2YCl2·Li(THF)n으로 표현되는 촉매계.
- 제1항에 있어서, 상기 크롬-함유 촉매가 산화 크롬을 함유하는 촉매계.
- 제1항에 있어서, 상기 크롬-함유 촉매가 실리카를 더 포함하는 촉매계.
- 제1항에 있어서, 상기 크롬-함유 촉매가 티타니아를 더 포함하는 촉매계.
- 제1항에 있어서, 상기 크롬-함유 촉매가 크롬-함유 촉매의 중량을 기준으로 크롬 약 0.1-약 10중량%를 함유하는 촉매계.
- 제1항에 있어서, 상기 크롬-함유 촉매가 약 300℃- 약 1000℃ 범위의 온도의 공기 중에서 활성화되는 촉매계.
- 제17항에 있어서, 상기 크롬-함유 촉매가 약 300℃- 약 500℃ 범위의 온도에서 일산화탄소로 원되는 촉매계.
- 제1항에 있어서, 상기 중합 조건 하에서 상기 이트륨-함유 촉매보다 상기 크롬-함유 촉매가 공단량체를 합체시키는데 더욱 효과적인 촉매계.
- 제1항에 있어서, 상기 크롬-함유 촉매가 현장에서 공단량체를 제조할 수 있는 촉매계.
- 제1항에 있어서, 상기 이트륨-함유 촉매가 수소의 존재에 대해 민감한 촉매계.
- 제1항에 있어서, 알칼리 금속 알킬 또는 알칼리토금속 알킬로 구성된 조촉매를 더 포함하는 촉매계.
- 제22항에 있어서, 상기 조촉매의 상기 알킬 라디칼 각각은 1-12개의 탄소 원자를 함유하는 촉매계.
- 제23항에 있어서, 상기 조촉매가 알킬리튬인 촉매계.
- 제24항에 있어서, 상기 조촉매가 n-부틸리튬, 이차-부틸리튬, 또는 삼차-부틸리튬인 촉매계.
- 제22항에 있어서, 조촉매내 금속 대 이트륨-함유 촉매내 이트륨의 몰비가 약 0.5:1-약 20:1의 범위인 촉매계.
- 제1항에 있어서, 기본적으로 크롬-함유 촉매, 이트륨-함유 촉매, 및 알칼리 금속 알킬 또는 알칼리토금속 알킬인 조촉매로 구성된 촉매계.
- 알파-올레핀 단량체들을 중합반응 조건하에서 제 1-27항 중 어느 한 항에 따른 촉매계와 접촉 시키는 것으로 구성되는, 알파-올레딘 단량체 중합 방법.
- 제28항에 있어서, 상기 접촉은 0℃- 약 170℃ 범위의 온도에서인 방법.
- 제28항에 있어서, 중합 반응을 수소의 존재 하에 수행시키는 방법.
- 제28항에 있어서, 상기 단량체를 상기 이트륨-함유 촉매와 접촉시키기 전에 상기 크롬-함유 촉매와 접촉시키는 방법.
- 고밀도 에틸렌 중합체 코팅으로 둘러싸인 저밀도 에틸렌 중합체 핵으로 구성된 중합체 복합재 분말로서, 이때 상기 저밀도 핵은 ASTM D 1505-68에 따라 측정된 약 0.88g/cc-약 0.94g/cc 범위의 밀도를 나타내고, 상기 고밀도 코팅은 ASTM D 1505-68에 따라 측정된 약 0.94g/cc이상 -약 0.98g/cc범위의 밀도를 나타내는 중합체 복합재 분말.
- 제32항에 있어서, 상기 저밀도 핵은 약 0.90g/cc-약 0.94g/cc 범위의 밀도를 나타내고, 상기 고밀도 코팅은 약 0.95g/cc-약 0.98g/cc범위의 밀도를 나타내는 중합체 복합재 분말.
- 제32항 또는 33항에 있어서, 상기 저밀도 핵은 중합체 복합재 분말의 전체 중량을 기준으로 약 10중량%-약 90중량%범위의 양으로 존재하고 상기 고밀도 코팅은 중합체 복합재 분말의 전체 중량을 기준으로 하여 약 90중량%-약 10중량% 범위의 양으로 존재하는 중합체 복합재 분말.
- 제34항에 있어서, 상기 저밀도 핵은 중합체 복합재 분말의 전체 중량을 기준으로 약 25중량%-약 90중량%범위의 양으로 존재하고 상기 고밀도 코팅은 중합체 복합재 분말의 전체 중량을 기준으로 하여 약 75중량%-약 10중량% 범위의 양으로 존재하는 중합체 복합재 분말.
- 제35항에 있어서, 상기 저밀도 핵은 중합체 복합재 분말의 전체 중량을 기준으로 약 50중량%-약 90중량% 범위의 양으로 존재하고 상기 고밀도 코팅은 중합체 복합재 분말의 전체 중량을 기준으로 50중량%-10중량% 범위의 양으로 존재하는 중합체 복합재 분말.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/153694 | 1993-11-17 | ||
| US08/153,694 US5399622A (en) | 1993-11-17 | 1993-11-17 | System of chromium catalyst and yttrium catalyst, olefin polymerization process, and polymer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR950014147A true KR950014147A (ko) | 1995-06-15 |
Family
ID=22548335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940025423A KR950014147A (ko) | 1993-11-17 | 1994-09-30 | 크롬-함유 촉매 및 이트륨-함유 촉매로 구성된, 알파-올레핀의 중합을 위한 촉매계 |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US5399622A (ko) |
| EP (1) | EP0658571B1 (ko) |
| JP (1) | JPH07188323A (ko) |
| KR (1) | KR950014147A (ko) |
| CN (1) | CN1062872C (ko) |
| CA (1) | CA2117601C (ko) |
| DE (1) | DE69408291T2 (ko) |
| ES (1) | ES2111828T3 (ko) |
| FI (1) | FI945389A (ko) |
| NO (1) | NO306906B1 (ko) |
| RU (1) | RU94040906A (ko) |
| SG (1) | SG43198A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100358331B1 (ko) * | 1998-11-10 | 2003-01-15 | 박상철 | 조난위치식별장치 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5585184A (en) * | 1994-09-29 | 1996-12-17 | Union Carbide Chemicals & Plastics Technology Corporation | Colorable non-sticky resin core-shell particles |
| DE59606391D1 (de) * | 1995-08-22 | 2001-03-01 | Basf Ag | Polymerisate des ethylens mit hoher spannungsrissbeständigkeit und katalysatorsystem für deren herstellung |
| NO300220B1 (no) | 1996-01-26 | 1997-04-28 | Borealis As | Fremgangsmåte og katalysatorsystem for polymerisering av etylen, eventuelt sammen med <alfa>-olefiner, og fremstilt polymermateriale |
| EP1101777A1 (en) | 1999-11-22 | 2001-05-23 | UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION (a Delaware corporation) | Mixed metal catalysts |
| US6982304B2 (en) * | 2003-12-22 | 2006-01-03 | Union Carbide Chemicals & Plastics Technology Corporation | Blow molding resins with improved ESCR |
| CN101100490B (zh) * | 2007-07-05 | 2010-05-26 | 中国科学院长春应用化学研究所 | 催化异戊二烯3,4选择性聚合非茂稀土烷基配合物 |
| US8399580B2 (en) | 2010-08-11 | 2013-03-19 | Chevron Philips Chemical Company Lp | Additives to chromium catalyst mix tank |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998914A (en) * | 1972-02-01 | 1976-12-21 | Du Pont Of Canada Limited | Film from a blend of high density polyethylene and a low density ethylene polymer |
| US4263422A (en) * | 1979-12-31 | 1981-04-21 | The Dow Chemical Company | Polymerization of olefins with dual, independently supported catalysts |
| US4481302A (en) * | 1983-01-27 | 1984-11-06 | Phillips Petroleum Company | Chromium on mixed metal phosphate base with organoboron cocatalyst |
| US4530914A (en) * | 1983-06-06 | 1985-07-23 | Exxon Research & Engineering Co. | Process and catalyst for producing polyethylene having a broad molecular weight distribution |
| JP2800283B2 (ja) * | 1988-07-11 | 1998-09-21 | 住友化学工業株式会社 | エチレン−αオレフィン共重合体及びそのフィルム |
| GB8914703D0 (en) * | 1989-06-27 | 1989-08-16 | Dow Europ Sa | Bioriented film |
| US5032651A (en) * | 1990-05-29 | 1991-07-16 | Phillips Petroleum Company | Method for producing olefin polymer blends utilizing a chromium-zirconium dual catalyst system |
| US5066739A (en) * | 1990-07-30 | 1991-11-19 | Phillips Petroleum Company | Olefin polymerization with cyclopentadienyl lanthanidealkyl of hydride in presence of hydrogen |
| US5237025A (en) * | 1990-10-09 | 1993-08-17 | Phillips Petroleum Company | Process for making bimodal polyolefins using two independent particulate catalysts |
| JP3045548B2 (ja) * | 1990-12-28 | 2000-05-29 | 日本石油化学株式会社 | ポリエチレン組成物 |
| CA2060019A1 (en) * | 1991-03-04 | 1992-09-05 | Phil Marvin Stricklen | Process for producing polyolefins having a bimodal molecular weight distribution |
| ES2165354T3 (es) * | 1991-07-24 | 2002-03-16 | Exxonmobil Oil Corp | Resinas de polimero de etileno mejoradas para peliculas. |
| KR930006091A (ko) * | 1991-09-18 | 1993-04-20 | 제이 이이 휘립프스 | 폴리에틸렌 블렌드 및 그로부터 제조된 필름, 병 또는 파이프 |
| CA2078366A1 (en) * | 1991-09-18 | 1993-03-19 | Joel L. Martin | Polyethylene blends |
| US5244991A (en) * | 1991-10-15 | 1993-09-14 | Phillips Petroleum Company | Olefin polymerization process |
| US5182244A (en) * | 1991-12-19 | 1993-01-26 | Phillips Petroleum Company | Transition metal/rare earth catalyst and olefin polymerization process |
| US5232999A (en) * | 1992-01-27 | 1993-08-03 | Phillips Petroleum Company | Olefin polymerization catalyst and process |
-
1993
- 1993-11-17 US US08/153,694 patent/US5399622A/en not_active Expired - Fee Related
-
1994
- 1994-08-29 CA CA002117601A patent/CA2117601C/en not_active Expired - Fee Related
- 1994-09-30 KR KR1019940025423A patent/KR950014147A/ko active IP Right Grant
- 1994-10-04 JP JP6240290A patent/JPH07188323A/ja active Pending
- 1994-11-08 US US08/336,037 patent/US5459203A/en not_active Expired - Fee Related
- 1994-11-10 CN CN94118105A patent/CN1062872C/zh not_active Expired - Fee Related
- 1994-11-15 ES ES94118004T patent/ES2111828T3/es not_active Expired - Lifetime
- 1994-11-15 SG SG1996005305A patent/SG43198A1/en unknown
- 1994-11-15 EP EP94118004A patent/EP0658571B1/en not_active Expired - Lifetime
- 1994-11-15 DE DE69408291T patent/DE69408291T2/de not_active Expired - Fee Related
- 1994-11-16 NO NO944393A patent/NO306906B1/no not_active IP Right Cessation
- 1994-11-16 RU RU94040906/04A patent/RU94040906A/ru unknown
- 1994-11-16 FI FI945389A patent/FI945389A/fi not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100358331B1 (ko) * | 1998-11-10 | 2003-01-15 | 박상철 | 조난위치식별장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI945389A0 (fi) | 1994-11-16 |
| NO944393D0 (no) | 1994-11-16 |
| US5459203A (en) | 1995-10-17 |
| DE69408291D1 (de) | 1998-03-05 |
| DE69408291T2 (de) | 1998-05-14 |
| RU94040906A (ru) | 1996-10-10 |
| EP0658571A3 (en) | 1995-09-27 |
| CN1105032A (zh) | 1995-07-12 |
| NO944393L (no) | 1995-05-18 |
| FI945389A (fi) | 1995-05-18 |
| ES2111828T3 (es) | 1998-03-16 |
| CN1062872C (zh) | 2001-03-07 |
| SG43198A1 (en) | 1997-10-17 |
| US5399622A (en) | 1995-03-21 |
| EP0658571A2 (en) | 1995-06-21 |
| CA2117601C (en) | 1999-02-02 |
| JPH07188323A (ja) | 1995-07-25 |
| NO306906B1 (no) | 2000-01-10 |
| EP0658571B1 (en) | 1998-01-28 |
| CA2117601A1 (en) | 1995-05-18 |
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