GB1334904A - Polymerisation of chloroprene - Google Patents

Polymerisation of chloroprene

Info

Publication number
GB1334904A
GB1334904A GB2656571A GB2656571A GB1334904A GB 1334904 A GB1334904 A GB 1334904A GB 2656571 A GB2656571 A GB 2656571A GB 2656571 A GB2656571 A GB 2656571A GB 1334904 A GB1334904 A GB 1334904A
Authority
GB
United Kingdom
Prior art keywords
chloroprene
catalyst
april
aqueous emulsion
butyl
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
GB2656571A
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.)
BP Chemicals Ltd
Original Assignee
BP Chemicals Ltd
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 BP Chemicals Ltd filed Critical BP Chemicals Ltd
Publication of GB1334904A publication Critical patent/GB1334904A/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
    • C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F36/02—Homopolymers and 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
    • C08F36/04—Homopolymers and 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
    • C08F36/14—Homopolymers and 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 containing elements other than carbon and hydrogen
    • C08F36/16—Homopolymers and 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 containing elements other than carbon and hydrogen containing halogen

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

1334904 Chloroprene polymerization catalyst BP CHEMICALS INTERNATIONAL Ltd 19 April 1971 [10 April 1970] 26565/71 Heading C3P Chloroprene is polymerized in aqueous emulsion in the presence of a catalytic amount of a metal salt of peroxydiphosphoric acid. The emulsion may also contain another catalyst, e.g. potassium persulphate, and an initiator, e.g. sodium dithionate. In examples the catalyst is added gradually to an aqueous emulsion containing 2,6-ditert.-butyl-p-cresol, n-dodecyl mercaptan, disproportionated wood rosin, and a naphthalene sulphonic acid-formaldehyde condensate, and the reaction is short-stopped by a mixture of p-tert.-butyl catechol and phenothiazine.
GB2656571A 1970-04-10 1971-04-19 Polymerisation of chloroprene Expired GB1334904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2746470A 1970-04-10 1970-04-10

Publications (1)

Publication Number Publication Date
GB1334904A true GB1334904A (en) 1973-10-24

Family

ID=21837891

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2656571A Expired GB1334904A (en) 1970-04-10 1971-04-19 Polymerisation of chloroprene

Country Status (3)

Country Link
DE (1) DE2117751A1 (en)
FR (1) FR2089381A5 (en)
GB (1) GB1334904A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006802A1 (en) * 1980-02-23 1981-09-10 Bayer Ag, 5090 Leverkusen POLYMERIZATION INITIATOR FOR CHLOROPRENE CONTAINING OR CONSISTING OF SODIUM DITHIONITE AND ITS USE IN THE POLYMERIZATION OF CHLOROPRENE

Also Published As

Publication number Publication date
FR2089381A5 (en) 1972-01-07
DE2117751A1 (en) 1971-11-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee
PCNP Patent ceased through non-payment of renewal fee