DE68910400D1 - Katalysator zur Regulierung der Molekulargewichtsverteilung von Äthylenpolymeren. - Google Patents

Katalysator zur Regulierung der Molekulargewichtsverteilung von Äthylenpolymeren.

Info

Publication number
DE68910400D1
DE68910400D1 DE89112000T DE68910400T DE68910400D1 DE 68910400 D1 DE68910400 D1 DE 68910400D1 DE 89112000 T DE89112000 T DE 89112000T DE 68910400 T DE68910400 T DE 68910400T DE 68910400 D1 DE68910400 D1 DE 68910400D1
Authority
DE
Germany
Prior art keywords
catalyst
molecular weight
weight distribution
regulating
ethylene polymers
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.)
Expired - Fee Related
Application number
DE89112000T
Other languages
English (en)
Other versions
DE68910400T2 (de
Inventor
Sun-Chueh Kao
Frederick John Karol
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of DE68910400D1 publication Critical patent/DE68910400D1/de
Publication of DE68910400T2 publication Critical patent/DE68910400T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C08F4/00—Polymerisation catalysts
    • 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

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)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE89112000T 1988-07-01 1989-06-30 Katalysator zur Regulierung der Molekulargewichtsverteilung von Äthylenpolymeren. Expired - Fee Related DE68910400T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/214,581 US4886771A (en) 1988-07-01 1988-07-01 Catalyst for regulating the molecular weight distribution of ethylene polymers

Publications (2)

Publication Number Publication Date
DE68910400D1 true DE68910400D1 (de) 1993-12-09
DE68910400T2 DE68910400T2 (de) 1994-04-21

Family

ID=22799633

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89112000T Expired - Fee Related DE68910400T2 (de) 1988-07-01 1989-06-30 Katalysator zur Regulierung der Molekulargewichtsverteilung von Äthylenpolymeren.

Country Status (8)

Country Link
US (1) US4886771A (de)
EP (1) EP0349927B1 (de)
JP (1) JPH0247117A (de)
KR (1) KR940000790B1 (de)
AT (1) ATE96813T1 (de)
BR (1) BR8903253A (de)
DE (1) DE68910400T2 (de)
ES (1) ES2059639T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2004615A1 (en) * 1988-12-06 1990-06-06 Gerald Dixon Malpass, Jr. Supported vanadium catalyst for production of polyolefins of controlled molecular weight distribution
US5350818A (en) * 1988-12-06 1994-09-27 Exxon Chemical Patents Inc. Process for preparing a high density polyethylene of low n-paraffin content and high melt index ratio
US5262372A (en) * 1988-12-06 1993-11-16 Exxon Chemical Patents Inc. Supported vanadium catalyst for prodution of polyolefins of controlled molecular weight distribution
JPH05503088A (ja) * 1989-11-21 1993-05-27 ザ ユニバーシティー オブ メルボルン 抗炎症用の組成物及び方法
US5055534A (en) * 1989-12-28 1991-10-08 Union Carbide Chemicals And Plastics Technology Corporation Preparation of very low molecular weight polyethylene in a fluidized bed
US5070057A (en) * 1990-04-02 1991-12-03 Union Carbide Chemicals And Plastics Technology Corporation Simplified polyethylene catalyst system
US5071810A (en) * 1990-12-21 1991-12-10 Union Carbide Chemicals And Plastics Technology Corporation High activity vanadium-based catalyst
US5288933A (en) * 1992-04-16 1994-02-22 Union Carbide Chemicals & Plastics Technology Corporation Process for the production of polyethylene
IT1271278B (it) 1994-12-15 1997-05-27 Enichem Elastomers Sistema catalitico supportato per la produzione di copolimeri etilene propilene
FR2737210B1 (fr) * 1995-07-24 1997-08-22 Atochem Elf Sa Procede de polymerisation de l'ethylene en presence d'un compose phosphore
KR100382991B1 (ko) * 1996-01-26 2003-07-10 주식회사 엘지화학 다공성 뮬라이트 분말의 제조 방법
US6323148B1 (en) 1998-12-04 2001-11-27 Equistar Chemicals, Lp Ethylene polymerization catalyst and catalyst system
JP2010029985A (ja) * 2008-07-29 2010-02-12 Toshiba Mach Co Ltd 切削工具、切削加工装置および切削加工方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929745A (en) * 1970-12-30 1975-12-30 Dart Ind Inc Vanadium organophosphates
US4508842A (en) * 1983-03-29 1985-04-02 Union Carbide Corporation Ethylene polymerization using supported vanadium catalyst
US4514514A (en) * 1983-04-28 1985-04-30 Phillips Petroleum Company Process and vanadium catalyst for olefin polymerization
CA2004615A1 (en) * 1988-12-06 1990-06-06 Gerald Dixon Malpass, Jr. Supported vanadium catalyst for production of polyolefins of controlled molecular weight distribution

Also Published As

Publication number Publication date
EP0349927A2 (de) 1990-01-10
ATE96813T1 (de) 1993-11-15
KR940000790B1 (ko) 1994-01-31
KR900001729A (ko) 1990-02-27
EP0349927B1 (de) 1993-11-03
US4886771A (en) 1989-12-12
DE68910400T2 (de) 1994-04-21
JPH0247117A (ja) 1990-02-16
BR8903253A (pt) 1990-02-13
EP0349927A3 (de) 1991-07-03
ES2059639T3 (es) 1994-11-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee