Thermoplastic elastomer and a process for its production

Details Thermoplastic elastomer and a process for its production Thermoplastic elastomer and a process for its production

1991-02-22

1993-02-02

Seccuro, Jr., Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525267, 525205, C08F26504, C08L 3308

Patent

active

051838567

ABSTRACT:
A thermoplastic elastomer comprising 55-90 parts by weight of a crosslinked acrylic rubber having a glass transition temperature of 0.degree. C. or lower and 45-10 parts by weight a copolymer of a methacrylate ester with a maleimide, which has a glass transition temperature of 110.degree. C. or higher. This thermoplastic elastomer may be produced by a first step of polymerizing an acrylic ester in the presence of a polyfunctional monomer with or without a chain transfer agent and a second step of adding a methacrylate ester and a maleimide to the resulting acrylic rubber to carry out copolymerization.

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patent: 3843753 (1974-10-01), Owens
patent: 4696978 (1987-09-01), Dean
patent: 4774291 (1988-09-01), Maeda
patent: 4876313 (1989-10-01), Lorah

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