GB1359838A - Preparation of thermoplastic elastomers - Google Patents

Preparation of thermoplastic elastomers

Info

Publication number
GB1359838A
GB1359838A GB4414871A GB4414871A GB1359838A GB 1359838 A GB1359838 A GB 1359838A GB 4414871 A GB4414871 A GB 4414871A GB 4414871 A GB4414871 A GB 4414871A GB 1359838 A GB1359838 A GB 1359838A
Authority
GB
United Kingdom
Prior art keywords
butadiene
styrene
block
cross
polymer
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
GB4414871A
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co 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 Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Publication of GB1359838A publication Critical patent/GB1359838A/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
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

1359838 Cross-linking block copolymers IDEMITSU KOSAN CO Ltd 22 Sept 1971 [24 Sept 1970] 44148/71 Heading C3P Thermoplastic elastomers containing at least one thermoplastic block of a styrene, alphamethyl styrene, acrylonitrile, methacrylonitrile, acrylate or methacrylate polymer and at least one elastomeric block of a butadiene, isoprene or phenylbutadiene polymer are crosslinked by heating the block polymer in solution in an aromatic hydrocarbon, in the presence of a cross-linking agent, and at 70 to 130‹ C. to 2 to 24 hours. In examples, the two-stage sequential polymerization in the presence of metallic sodium dispersion and as solvent, trimethylamine or a tetrahydrofuran/benzene mixture, of styrene / butadiene, butadiene / styrene, butadiene / acrylonitrile or butadiene / methyl methacrylate is described, followed by heating the copolymers in benzene and in the presence of benzoyl peroxide or azobisisobutyronitrile, and recovering the cross-linked products.
GB4414871A 1970-09-24 1971-09-22 Preparation of thermoplastic elastomers Expired GB1359838A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8293670 1970-09-24

Publications (1)

Publication Number Publication Date
GB1359838A true GB1359838A (en) 1974-07-10

Family

ID=13788096

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4414871A Expired GB1359838A (en) 1970-09-24 1971-09-22 Preparation of thermoplastic elastomers

Country Status (2)

Country Link
DE (1) DE2147356A1 (en)
GB (1) GB1359838A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936365A (en) * 1974-05-28 1976-02-03 The Dow Chemical Company Radiation crosslinked block copolymer blends with improved impact resistance

Also Published As

Publication number Publication date
DE2147356A1 (en) 1972-03-30

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Legal Events

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