ES2150737T3 - Procedimiento de polimerizacion en una secuencia de reactores. - Google Patents

Procedimiento de polimerizacion en una secuencia de reactores.

Info

Publication number
ES2150737T3
ES2150737T3 ES97301421T ES97301421T ES2150737T3 ES 2150737 T3 ES2150737 T3 ES 2150737T3 ES 97301421 T ES97301421 T ES 97301421T ES 97301421 T ES97301421 T ES 97301421T ES 2150737 T3 ES2150737 T3 ES 2150737T3
Authority
ES
Spain
Prior art keywords
ethylene
reactor
alpha
olefin
mol
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 - Lifetime
Application number
ES97301421T
Other languages
English (en)
Inventor
Michael William Tilston
Thomas Edward Spriggs
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 Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24441468&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2150737(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Application granted granted Critical
Publication of ES2150737T3 publication Critical patent/ES2150737T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

SE PRESENTA UN PROCEDIMIENTO DE PREPARACION DE UN COPOLIMERO DE ETILENO, QUE CONSISTE EN PONER EN CONTACTO DICHO ETILENO, Y AL MENOS UN COMONOMERO DE ALFA-OLEFINA, QUE TIENE DE 3 A 8 ATOMOS DE CARBONO, CON UN SISTEMA CATALIZADOR BASADO EN UN METAL DE TRANSICION, EN DOS REACTORES DE LECHO FLUIDIFICADO, CONECTADOS EN SERIE, EN FASE GASEOSA, BAJO CONDICIONES DE POLIMERIZACION, CON LAS SIGUIENTES CONDICIONES: (A) EL PRIMER REACTOR SE HACE FUNCIONAR A UNA TEMPERATURA IGUAL O SUPERIOR A LA TEMPERATURA DE SATURACION DE LA MEZCLA DE MONOMEROS, PERO NO SUPERIOR A APROX. 5 C POR ENCIMA DE DICHA TEMPERATURA; (B) LA MEZCLA DE MATRIZ DE COPOLIMERO DE ETILENO Y CATALIZADOR ACTIVO, FORMADA EN EL PRIMER REACTOR DE LA SERIE, SE TRANSFIERE AL SEGUNDO REACTOR DE LA SERIE; (C) NO SE INTRODUCE NINGUN CATALIZADOR ADICIONAL AL REFERIDO EN LA CONDICION (B), EN EL SEGUNDO REACTOR; (D) EN EL REACTOR EN EL QUE SE OBTIENE UN COPOLIMERO DE BAJO INDICE DE FUSION, (1) LA ALFA-OLEFINA, ESTA PRESENTE EN UNA RELACION DE 0''01 A 0''4 MOLES DE ALFA-OLEFINA POR MOL DE ETILENO; Y (2) OPCIONALMENTE, EL HIDROGENO ESTA PRESENTE EN UNA RELACION DE 0''001 A 0''3 MOLES DE HIDROGENO POR MOL DE ETILENO; Y (E) EN EL REACTOR EN EL QUE SE OBTIENE UN POLIMERO DE ELEVADO INDICE DE FUSION: (1) OPCIONALMENTE, LA ALFA-OLEFINA ESTA PRESENTE EN UNA RELACION DE 0''005 A 0''6 MOLES DE ALFA-OLEFINA POR MOL DE ETILENO; Y (2) OPCIONALMENTE, EL HIDROGENO ESTA PRESENTE EN UNA RELACION DE 0''001 A 3 MOLES DE HIDROGENO POR MOL DE ETILENO.
ES97301421T 1996-03-05 1997-03-04 Procedimiento de polimerizacion en una secuencia de reactores. Expired - Lifetime ES2150737T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/609,595 US5665818A (en) 1996-03-05 1996-03-05 High activity staged reactor process

Publications (1)

Publication Number Publication Date
ES2150737T3 true ES2150737T3 (es) 2000-12-01

Family

ID=24441468

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97301421T Expired - Lifetime ES2150737T3 (es) 1996-03-05 1997-03-04 Procedimiento de polimerizacion en una secuencia de reactores.

Country Status (9)

Country Link
US (1) US5665818A (es)
EP (1) EP0794200B1 (es)
JP (1) JPH1030009A (es)
AT (1) ATE194994T1 (es)
AU (1) AU705436B2 (es)
BR (1) BR9701165A (es)
CA (1) CA2199078C (es)
DE (1) DE69702627T2 (es)
ES (1) ES2150737T3 (es)

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