SA99191234B1 - بوليمرات متجانسة وبوليمرات مشتركة للإيثيلين ethylene - Google Patents
بوليمرات متجانسة وبوليمرات مشتركة للإيثيلين ethylene Download PDFInfo
- Publication number
- SA99191234B1 SA99191234B1 SA99191234A SA99191234A SA99191234B1 SA 99191234 B1 SA99191234 B1 SA 99191234B1 SA 99191234 A SA99191234 A SA 99191234A SA 99191234 A SA99191234 A SA 99191234A SA 99191234 B1 SA99191234 B1 SA 99191234B1
- Authority
- SA
- Saudi Arabia
- Prior art keywords
- copolymer
- butadiene
- ethylene
- cis
- trans
- Prior art date
Links
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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—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
- C08F2/00—Processes of polymerisation
- C08F2/34—Polymerisation in gaseous state
-
- 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
- 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
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
- C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65908—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
-
- 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
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Artificial Filaments (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9800245.4A GB9800245D0 (en) | 1998-01-07 | 1998-01-07 | Novel polymers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SA99191234B1 true SA99191234B1 (ar) | 2006-11-14 |
Family
ID=10824911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SA99191234A SA99191234B1 (ar) | 1998-01-07 | 1999-04-03 | بوليمرات متجانسة وبوليمرات مشتركة للإيثيلين ethylene |
Country Status (31)
| Country | Link |
|---|---|
| US (2) | US6518385B1 (enExample) |
| EP (2) | EP1045868B1 (enExample) |
| JP (2) | JP2002500249A (enExample) |
| KR (1) | KR100645271B1 (enExample) |
| CN (1) | CN1134463C (enExample) |
| AR (1) | AR014252A1 (enExample) |
| AT (1) | ATE269873T1 (enExample) |
| AU (1) | AU760130B2 (enExample) |
| BR (1) | BR9906811A (enExample) |
| CA (1) | CA2316165C (enExample) |
| CO (1) | CO4830472A1 (enExample) |
| CZ (1) | CZ302705B6 (enExample) |
| DE (1) | DE69918263T2 (enExample) |
| DK (1) | DK1045868T3 (enExample) |
| DZ (1) | DZ2704A1 (enExample) |
| EG (1) | EG22389A (enExample) |
| ES (2) | ES2486842T3 (enExample) |
| GB (1) | GB9800245D0 (enExample) |
| HU (1) | HU224167B1 (enExample) |
| MY (1) | MY122063A (enExample) |
| NO (1) | NO20003488L (enExample) |
| PL (1) | PL198209B1 (enExample) |
| PT (1) | PT1045868E (enExample) |
| RU (1) | RU2223283C2 (enExample) |
| SA (1) | SA99191234B1 (enExample) |
| SK (1) | SK10132000A3 (enExample) |
| TR (1) | TR200001955T2 (enExample) |
| TW (1) | TW557303B (enExample) |
| UA (1) | UA66375C2 (enExample) |
| WO (1) | WO1999035174A1 (enExample) |
| ZA (1) | ZA9811886B (enExample) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9800245D0 (en) * | 1998-01-07 | 1998-03-04 | Bp Chem Int Ltd | Novel polymers |
| GB9918668D0 (en) * | 1999-08-06 | 1999-10-13 | Bp Chem Int Ltd | Polymerisation catalysts |
| JP3798694B2 (ja) * | 1999-12-01 | 2006-07-19 | エクソンモービル・ケミカル・パテンツ・インク | 触媒化合物、それらを含む触媒系及びそれらの重合法への使用 |
| EP1108749A1 (en) * | 1999-12-13 | 2001-06-20 | Fina Research S.A. | Medium density polyethylene compositions for film applications |
| US7041617B2 (en) | 2004-01-09 | 2006-05-09 | Chevron Phillips Chemical Company, L.P. | Catalyst compositions and polyolefins for extrusion coating applications |
| KR100377287B1 (ko) * | 2000-05-29 | 2003-03-26 | 삼성종합화학주식회사 | 에틸렌 중합 방법 |
| CA2427239A1 (en) * | 2000-10-04 | 2002-04-11 | Grant B. Jacobsen | Supported catalyst compositions |
| US7132486B2 (en) | 2000-10-06 | 2006-11-07 | Univation Technologies, Llc | Linear low density polyethylenes with high melt strength and high melt index ratio |
| US6734265B1 (en) | 2000-10-06 | 2004-05-11 | Univation Technologies, Llc. | Linear low density polyethylenes with high melt strength and high melt index ratio |
| US6884747B2 (en) * | 2000-10-06 | 2005-04-26 | Univation Technologies, Llc | Linear low density polyethylenes with high melt strength and high melt index ratio |
| JP4903357B2 (ja) * | 2003-03-28 | 2012-03-28 | 住友化学株式会社 | エチレン重合体 |
| US7119153B2 (en) | 2004-01-21 | 2006-10-10 | Jensen Michael D | Dual metallocene catalyst for producing film resins with good machine direction (MD) elmendorf tear strength |
| ATE534676T1 (de) * | 2004-11-02 | 2011-12-15 | Dow Global Technologies Llc | Verfahren zur herstellung von polyethylenzusammensetzungen mit niedriger dichte und damit hergestellte polymere |
| JP5546730B2 (ja) * | 2005-02-09 | 2014-07-09 | イネオス ユーロープ リミテッド | コポリマーおよびそのフィルム |
| EP1845110A1 (en) * | 2006-04-13 | 2007-10-17 | Total Petrochemicals Research Feluy | Chromium-based catalysts |
| JP2009533513A (ja) * | 2006-04-13 | 2009-09-17 | トータル・ペトロケミカルズ・リサーチ・フエリユイ | 低密度および中密度の分岐ポリエチレン |
| GB0610668D0 (en) * | 2006-05-30 | 2006-07-12 | Nova Chem Int Sa | Supported antistatic polymerization catalysts |
| EP1935909A1 (en) * | 2006-12-21 | 2008-06-25 | Ineos Europe Limited | Copolymers and films thereof |
| WO2008140280A2 (en) * | 2007-05-16 | 2008-11-20 | Lg Chem, Ltd. | Long chain-branched ethylene-alpha olefin copolymer |
| WO2009069821A1 (ja) * | 2007-11-30 | 2009-06-04 | Sumitomo Chemical Company, Limited | エチレン－α－オレフィン共重合体および成形体 |
| JP5392015B2 (ja) * | 2008-11-11 | 2014-01-22 | 住友化学株式会社 | エチレン−α−オレフィン共重合体及び成形体 |
| WO2010080871A1 (en) | 2009-01-08 | 2010-07-15 | Univation Technologies, Llc | Additive for gas phase polymerization processes |
| JP2010276128A (ja) * | 2009-05-29 | 2010-12-09 | Sumitomo Chemical Co Ltd | チューブ |
| DE112010002188T5 (de) * | 2009-05-29 | 2012-08-30 | Sumitomo Chemical Company, Ltd. | Ethylen-α-Olefin-Copolymer und Formgegenstand |
| EP2348057A1 (en) | 2010-01-21 | 2011-07-27 | INEOS Manufacturing Belgium NV | Novel polymers |
| CN103087240B (zh) * | 2011-10-31 | 2015-07-22 | 中国石油化工股份有限公司 | 一种制备乙烯聚合物的方法 |
| US9096700B2 (en) | 2012-12-10 | 2015-08-04 | Exxonmobil Chemical Patents Inc. | Polymerization process for production of polymer |
| US9266977B2 (en) | 2012-12-21 | 2016-02-23 | Exxonmobil Chemical Patents Inc. | Bridged metallocene compounds, catalyst systems and processes for polymerization therewith |
| WO2014099307A1 (en) * | 2012-12-21 | 2014-06-26 | Exxonmobil Chemical Patents Inc. | Branched polyethylene with improved processing and high tear films made therefrom |
| KR101924198B1 (ko) | 2015-12-23 | 2018-11-30 | 주식회사 엘지화학 | 필름 가공성 및 투명도가 우수한 저밀도 폴리에틸렌 공중합체 |
| EP4428166A3 (en) * | 2015-12-31 | 2024-12-11 | Hanwha Chemical Corporation | Hybrid supported metallocene catalyst, method for preparing olefin polymer by using same, and olefin polymer having improved melt strength |
| US11091571B2 (en) | 2016-12-05 | 2021-08-17 | Lg Chem, Ltd. | Hybrid supported catalyst |
| US10442920B2 (en) | 2017-04-19 | 2019-10-15 | Nova Chemicals (International) S.A. | Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations |
| US10442921B2 (en) | 2017-04-19 | 2019-10-15 | Nova Chemicals (International) S.A. | Means for increasing the molecular weight and decreasing the density employing mixed homogeneous catalyst formulations |
| US10995166B2 (en) | 2017-11-07 | 2021-05-04 | Nova Chemicals (International) S.A. | Ethylene interpolymer products and films |
| US10683376B2 (en) | 2017-11-07 | 2020-06-16 | Nova Chemicals (International) S.A. | Manufacturing ethylene interpolymer products at higher production rate |
| US10882987B2 (en) | 2019-01-09 | 2021-01-05 | Nova Chemicals (International) S.A. | Ethylene interpolymer products having intermediate branching |
| US11046843B2 (en) | 2019-07-29 | 2021-06-29 | Nova Chemicals (International) S.A. | Ethylene copolymers and films with excellent sealing properties |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2532649B1 (fr) * | 1982-09-07 | 1986-08-29 | Bp Chimie Sa | Copolymerisation d'ethylene et d'hexene-1 en lit fluidise |
| US5272236A (en) * | 1991-10-15 | 1993-12-21 | The Dow Chemical Company | Elastic substantially linear olefin polymers |
| TW248565B (enExample) * | 1991-08-14 | 1995-06-01 | Mitsui Petroleum Chemicals Industry Co | |
| ES2141833T3 (es) * | 1993-08-06 | 2000-04-01 | Exxon Chemical Patents Inc | Catalizadores de polimerizacion, su produccion y uso. |
| DE69412576T3 (de) * | 1993-12-21 | 2002-05-29 | Univation Technologies,Llc | Herstellung von Polyolefinen mit lankettiger Verzweigung nach einem Gasphaseverfahren |
| EP0676421B1 (en) * | 1994-04-07 | 2006-02-15 | Innovene Europe Limited | Polymerisation process and polyolefins obtained thereby |
| US5527929A (en) * | 1994-08-02 | 1996-06-18 | The Dow Chemical Company | Zwitterionic biscyclopentadienyl complexes |
| DE69521434T2 (de) * | 1994-09-07 | 2001-10-04 | The Dow Chemical Co., Midland | Elastisches lineares polyethylenniedriger dichte |
| IL115911A0 (en) * | 1994-11-14 | 1996-01-31 | Dow Chemical Co | Extrusion compositions having high drawdown and substantially reduced neck-in |
| UA47394C2 (uk) * | 1995-05-16 | 2002-07-15 | Юнівейшн Текнолоджіз, Ллс | Етиленовий полімер, який має підвищену придатність до обробки та вирiб, що містить етиленовий полімер |
| GB9800245D0 (en) * | 1998-01-07 | 1998-03-04 | Bp Chem Int Ltd | Novel polymers |
-
1998
- 1998-01-07 GB GBGB9800245.4A patent/GB9800245D0/en not_active Ceased
- 1998-12-28 ZA ZA9811886A patent/ZA9811886B/xx unknown
-
1999
- 1999-01-04 EG EG599A patent/EG22389A/xx active
- 1999-01-05 ES ES04076235.3T patent/ES2486842T3/es not_active Expired - Lifetime
- 1999-01-05 CA CA002316165A patent/CA2316165C/en not_active Expired - Lifetime
- 1999-01-05 CZ CZ20002454A patent/CZ302705B6/cs not_active IP Right Cessation
- 1999-01-05 AT AT99901004T patent/ATE269873T1/de active
- 1999-01-05 BR BR9906811-7A patent/BR9906811A/pt not_active IP Right Cessation
- 1999-01-05 RU RU2000120681/04A patent/RU2223283C2/ru active
- 1999-01-05 EP EP99901004A patent/EP1045868B1/en not_active Expired - Lifetime
- 1999-01-05 AU AU20640/99A patent/AU760130B2/en not_active Ceased
- 1999-01-05 CN CNB99803648XA patent/CN1134463C/zh not_active Expired - Lifetime
- 1999-01-05 EP EP04076235.3A patent/EP1443062B1/en not_active Expired - Lifetime
- 1999-01-05 ES ES99901004T patent/ES2224598T3/es not_active Expired - Lifetime
- 1999-01-05 TR TR2000/01955T patent/TR200001955T2/xx unknown
- 1999-01-05 PT PT99901004T patent/PT1045868E/pt unknown
- 1999-01-05 PL PL341677A patent/PL198209B1/pl unknown
- 1999-01-05 DK DK99901004T patent/DK1045868T3/da active
- 1999-01-05 DE DE69918263T patent/DE69918263T2/de not_active Expired - Lifetime
- 1999-01-05 AR ARP990100016A patent/AR014252A1/es unknown
- 1999-01-05 WO PCT/GB1999/000021 patent/WO1999035174A1/en not_active Ceased
- 1999-01-05 HU HU0100366A patent/HU224167B1/hu not_active IP Right Cessation
- 1999-01-05 KR KR1020007007551A patent/KR100645271B1/ko not_active Expired - Lifetime
- 1999-01-05 SK SK1013-2000A patent/SK10132000A3/sk unknown
- 1999-01-05 JP JP2000527569A patent/JP2002500249A/ja active Pending
- 1999-01-06 TW TW088100144A patent/TW557303B/zh not_active IP Right Cessation
- 1999-01-06 DZ DZ990005A patent/DZ2704A1/xx active
- 1999-01-06 MY MYPI99000031A patent/MY122063A/en unknown
- 1999-01-07 CO CO99000708A patent/CO4830472A1/es unknown
- 1999-04-03 SA SA99191234A patent/SA99191234B1/ar unknown
- 1999-05-01 UA UA2000084713A patent/UA66375C2/uk unknown
-
2000
- 2000-07-06 US US09/600,107 patent/US6518385B1/en not_active Expired - Lifetime
- 2000-07-06 NO NO20003488A patent/NO20003488L/no not_active Application Discontinuation
-
2002
- 2002-12-09 US US10/314,367 patent/US20030139551A1/en not_active Abandoned
-
2009
- 2009-12-03 JP JP2009275833A patent/JP5804485B2/ja not_active Expired - Lifetime
Also Published As
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| KR20000011087A (ko) | 공단량체 함량이 가장 높은 부분에서 분자량이 최대인 폴리올레핀 조성물 | |
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