Thermoplastic elastomers prepared via cationic grafting

Details Thermoplastic elastomers prepared via cationic grafting Thermoplastic elastomers prepared via cationic grafting

C - Chemistry, Metallurgy

08

F

400/2025

C08F 279/00 (2006.01) C08F 279/02 (2006.01)

Patent

CA 1102474

THERMOPLASTIC ELASTOMERS PREPARED VIA CATIONIC GRAFTING ABSTRACT Thermoplastic elastomers having improved high service temperatures and increased tensile strength are prepared by grafting cationic polymerizable monomer, such as alpha-methyl styrene, to halogenated backbone such as chlorinated poly- butadiene, said grafting being effected in the presence of inert organic solvent and alkyl aluminum catalyst together with a controlled amount of water to achieve an improved polymerization¦ rate and increased monomer conversion.

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