CYCLIC CONJUGATE DIENE COPOLYMER

PROBLEM TO BE SOLVED: To provide an olefinic resin having excellent heat resistance, transparency, nonhygroscopicity and chemical resistance with excellent casting workability, and to provide a copolymerization method for the resin. SOLUTION: The cyclic conjugated diene copolymer has (A) a molecular...

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Bibliographic Details
Main Author SHISHIDO JUNICHI
Format Patent
LanguageEnglish
Published 26.12.2002
Edition7
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:PROBLEM TO BE SOLVED: To provide an olefinic resin having excellent heat resistance, transparency, nonhygroscopicity and chemical resistance with excellent casting workability, and to provide a copolymerization method for the resin. SOLUTION: The cyclic conjugated diene copolymer has (A) a molecular unit derived from a cyclic conjugate diene monomer and (B) a second molecular unit derived from an α-substituted vinyl aromatic monomer, and has a random structure. An another copolymer is obtained by hydrogenation or epoxidation of the above copolymer. An another method for producing the above copolymer comprises copolymerization between the cyclic conjugated diene monomer and the α-substituted vinyl aromatic monomer by living anionic copolymerization process.
Bibliography:Application Number: JP20010178850