[go: up one dir, main page]

BR8903253A - Precursor de catalisador solido;sistema de catalisador;e processo para homopolimerizar etileno ou copolimerizar etileno com uma ou mais alfa-olefinas contendo 3 a 8 atomos de carbono - Google Patents

Precursor de catalisador solido;sistema de catalisador;e processo para homopolimerizar etileno ou copolimerizar etileno com uma ou mais alfa-olefinas contendo 3 a 8 atomos de carbono

Info

Publication number
BR8903253A
BR8903253A BR898903253A BR8903253A BR8903253A BR 8903253 A BR8903253 A BR 8903253A BR 898903253 A BR898903253 A BR 898903253A BR 8903253 A BR8903253 A BR 8903253A BR 8903253 A BR8903253 A BR 8903253A
Authority
BR
Brazil
Prior art keywords
ethylene
homopolimerizing
copylimerizing
alpha
olefins containing
Prior art date
Application number
BR898903253A
Other languages
English (en)
Inventor
Sun-Chueh Kao
Frederick John Karol
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
Publication of BR8903253A publication Critical patent/BR8903253A/pt

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)
BR898903253A 1988-07-01 1989-06-30 Precursor de catalisador solido;sistema de catalisador;e processo para homopolimerizar etileno ou copolimerizar etileno com uma ou mais alfa-olefinas contendo 3 a 8 atomos de carbono BR8903253A (pt)

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 (1)

Publication Number Publication Date
BR8903253A true BR8903253A (pt) 1990-02-13

Family

ID=22799633

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898903253A BR8903253A (pt) 1988-07-01 1989-06-30 Precursor de catalisador solido;sistema de catalisador;e processo para homopolimerizar etileno ou copolimerizar etileno com uma ou mais alfa-olefinas contendo 3 a 8 atomos de carbono

Country Status (8)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA2004615A1 (en) * 1988-12-06 1990-06-06 Gerald Dixon Malpass, Jr. Supported vanadium catalyst for production 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
DE68910400D1 (de) 1993-12-09
KR940000790B1 (ko) 1994-01-31
JPH0247117A (ja) 1990-02-16
DE68910400T2 (de) 1994-04-21
ES2059639T3 (es) 1994-11-16
EP0349927A2 (en) 1990-01-10
KR900001729A (ko) 1990-02-27
EP0349927A3 (en) 1991-07-03
EP0349927B1 (en) 1993-11-03
ATE96813T1 (de) 1993-11-15
US4886771A (en) 1989-12-12

Similar Documents

Publication Publication Date Title
BR8903253A (pt) Precursor de catalisador solido;sistema de catalisador;e processo para homopolimerizar etileno ou copolimerizar etileno com uma ou mais alfa-olefinas contendo 3 a 8 atomos de carbono
BR9504008A (pt) Processo para produzir uma poliolefina tendo uma distribuição de peso molecular major do que 3 e sistema catalisador
BR9301546A (pt) Processo para a polimerizacao de etileno ou uma mistura compreendendo etileno e uma ou mais alfa-olefinas;e sistema catalisador
ES2076934T3 (es) Catalizador metaloceno de hafnio para la polimerizacion de olefinas.
FI931107A (fi) Foerfarande foer polymerisation av olefiner i gasfas
BR9106842A (pt) Processo para a producao de poli-alfa-olifenas cristalinas com um sistema catalisador de monociclopentadienila-metal de transicao
JPS6462308A (en) Complex and its production
DE3675642D1 (de) Einsatz von antistatika zur vermeidung von belagbildung bei der herstellung von ethylenpolymerisaten in gasphasenreakatoren.
BR9305442A (pt) Composição de aditivo de combustível, composição de combustível e concentrado de combustível
BR9505265A (pt) Processos para a produção e para a preparação de uma combinação de polietileno em partículas in situ
ES2055534T3 (es) Procedimiento para la conversion de propano y butano.
MY105053A (en) Catalyst for regulating the molecular weight distribution of ethylene polymers
BR8704273A (pt) Composicoes catalisadores e processo para a preparacao de polimeros
ATE13545T1 (de) Stabilisatorzusammensetzungen, halogenhaltige polymerzusammensetzungen, welche diese enthalten, und geformte gegenstaende, welche die polymerzusammensetzungen enthalten.
DE3668897D1 (de) Loesungsverfahren zur herstellung von polyolefinen.
FR2608812B1 (fr) Procede de preparation de carbonates organiques par transesterification
BR8900527A (pt) Processo para a preparacao de polimeros
MY103869A (en) Catalyst for regulating the molecular weight distribution of ethylene polymers.
BR9402838A (pt) Processo para a produção de polipropileno; processo; e processo para o controle de morfologia de resina na produção de polipropileno
ES2058598T3 (es) Procedimiento para el tratamiento de polipropileno.
BR9807921A (pt) Sistema de catalisador para sìntese de alto rendimento de poliolefinas.
BR9914828A (pt) Processos para a polimerização de pelo menos uma ou mais olefinas, e para restringir a distribuição de peso molecular de um polìmero
BR9005748A (pt) Processo para preparacao de polimeros lineares de monoxido de carbono com um ou mais compostos olefinicamente insaturados
MX162645A (es) Metodo de dispersion de co-catalizador
DE69307369D1 (de) Katalysator für Olefinpolymerisation und Verfahren zur Herstellung davon

Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee