GB1038103A - Process for preparing copolymers - Google Patents

Process for preparing copolymers

Info

Publication number
GB1038103A
GB1038103A GB555963A GB555963A GB1038103A GB 1038103 A GB1038103 A GB 1038103A GB 555963 A GB555963 A GB 555963A GB 555963 A GB555963 A GB 555963A GB 1038103 A GB1038103 A GB 1038103A
Authority
GB
United Kingdom
Prior art keywords
endocyclic
hydrocarbon
compound
ethylene
octadiene
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
Application number
GB555963A
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of GB1038103A publication Critical patent/GB1038103A/en
Expired 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
    • 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
    • C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • 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
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers

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)
  • Polymerisation Methods In General (AREA)

Abstract

A cross-linkable copolymer of at least one alpha-alkene and at least one non-endocyclic hydrocarbon containing at least 7 carbon atoms, at least two non-conjugated double bonds, and no vinyl group, is made by copolymerizing a mixture of the monomers in the presence of a Ziegler-type polymerization catalyst, by maintaining during the reaction the gram molecular concentration of the non-endocyclic hydrocarbon at least 5 times that of the polymerized non-endocyclic hydrocarbon. The non-endocyclic hydrocarbon may be obtained by dimerizing or trimerizing isoprene, butadiene-1,3, or pentadiene-1,3, with a Ziegler-type catalyst and adding the undeactivated mix directly to the polymerization zone. The term " non-endocyclic " compound means a compound that does not contain a bridged ring, i.e. does not contain a ring having a bridge joining nonadjacent carbon atoms and containing one or more methylene groups. The " non-endocyclic " compound may be cyclo-octadiene-1,5, cyclo-dodecatriene-1,5,9, an aliphatic polyunsaturated compound such as octadiene-2,6, or Diels Alder condensation products of isoprene and/or cyclopentadiene, e.g. indene. The copolymerization is generally effected in a hydrocarbon or halogenated hydrocarbon liquid vehicle. Examplified catalysts are monoethyl aluminium dichloride and VOCl3, and TiCl4 and di-isobutyl aluminium hydride. The alphaolefines may be ethylene, prpylene, butene-1, pentene-1, hexene-1, heptene-1, or mixtures, e.g. ethylene with propylene and/or butene-1, or a mixture of ethylene and/or alpha-methyl styrene. The copolymers may be vulcanized using conventional sulphur-containing mixes.
GB555963A 1962-02-14 1963-02-11 Process for preparing copolymers Expired GB1038103A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL274808 1962-02-14

Publications (1)

Publication Number Publication Date
GB1038103A true GB1038103A (en) 1966-08-03

Family

ID=19753608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB555963A Expired GB1038103A (en) 1962-02-14 1963-02-11 Process for preparing copolymers

Country Status (7)

Country Link
AT (1) AT244587B (en)
BE (1) BE628361A (en)
CH (1) CH432003A (en)
DE (1) DE1520953A1 (en)
ES (1) ES285094A1 (en)
GB (1) GB1038103A (en)
NL (1) NL274808A (en)

Also Published As

Publication number Publication date
BE628361A (en)
NL274808A (en)
CH432003A (en) 1967-03-15
DE1520953A1 (en) 1970-01-29
ES285094A1 (en) 1963-07-01
AT244587B (en) 1966-01-10

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