Alternating copolymers of isobutylene type monomers

Details Alternating copolymers of isobutylene type monomers Alternating copolymers of isobutylene type monomers

C - Chemistry, Metallurgy

08

F

C08F 220/10 (2006.01) C08F 210/10 (2006.01) C08F 210/14 (2006.01) C08F 214/24 (2006.01) C08F 216/04 (2006.01) C08F 220/56 (2006.01) C08F 236/20 (2006.01) C08L 23/20 (2006.01) C08L 33/04 (2006.01) C09D 123/20 (2006.01) C09D 133/04 (2006.01)

Patent

CA 2476301

A copolymer composition that includes a copolymer comprised of at least 30 mol % of residues having the following alternating residues from a donor monomer and from an acceptor monomer. The copolymer contains at least 15 mol % of an isobutylene type donor monomer and at least 15 mol % of an acrylic monomer as an acceptor monomer. The copolymer is substantially free of maleate or fumarate monomer segments and the copolymer composition is substantially free of Lewis acids and transition metals. Also disclosed is a thermosetting composition that includes a reactant comprising functional groups, a crosslinking agent having at least two functional groups that are reactive with the functional groups first reactant, and a copolymer flow control agent that includes the copolymer composition as well as substrates coated with the thermosetting composition.

L'invention concerne une composition de copolym­res comprenant un copolym­re contenant au moins 30 mol % de r~sidus pr~sentant les r~sidus altern~s suivants issus d'un monom­re donneur et d'un monom­re receveur. Le copolym­re contient au moins 15 mol % d'un monom­re donneur de type isobutyl­ne et au moins 15 mol % d'un monom­re acrylique en tant que monom­re receveur. Ce copolym­re ne contient pratiquement pas de segments de monom­re de mal~ate ou de fumarate et la composition de copolym­res ne contient pratiquement pas d'acides de Lewis et de m~taux de transition. L'invention porte aussi sur une composition thermodurcissable qui contient un r~actif contenant des groupes fonctionnels, un agent de r~ticulation comprenant au moins deux groupes fonctionnels qui r~agissent avec les groupes fonctionnels du premier r~actif, et un agent de contrÙle du flux de copolym­res comprenant la composition de copolym­res ainsi que des substrats revÚtus de la composition thermodurcissable.

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