C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/00 (2006.01) B05D 3/02 (2006.01) B05D 7/00 (2006.01) C08F 210/10 (2006.01) C08F 220/00 (2006.01) C08F 220/10 (2006.01) C08F 290/04 (2006.01) C08G 18/62 (2006.01) C08G 18/79 (2006.01) C08G 18/80 (2006.01) C09D 123/22 (2006.01) C09D 133/06 (2006.01) B05D 1/00 (2006.01) B05D 3/06 (2006.01)
Patent
CA 2476090
A thermosetting composition that includes an ungelled copolymer composition and a crosslinking agent. The ungelled copolymer composition includes a functional group-containing copolymer that includes segments of alternating residues derived from a donor monomer composition comprising an acceptor monomer composition. The donor monomer composition includes one or both of isobutylene and diisobutylene, and the acceptor monomer composition includes acrylic monomers and monomers containing functional groups. The ungelled copolymer composition is substantially free of transition metals and Lewis acids, and the copolymer is substantially free of maleate-type monomer residues and fumarate-type monomer residues. The crosslinking agent has at least two functional groups that are reactive with the functional groups of the copolymer. The thermosetting composition may be in liquid, powder, or dispersed form and may be applied by traditional or electrocoating methods.
Cette invention concerne une composition thermodurcissable qui contient une composition copolymre non g~lifi~e et un agent de r~ticulation. Cette composition copolymre non g~lifi~e renferme un copolymre contenant un groupe fonctionnel qui comprend des segments de r~sidus altern~s d~riv~s d'une composition monomre de type donneur comprenant une composition monomre de type accepteur. La composition monomre de type donneur renferme un isobutylne et/ou un diisobutylne, et la composition monomre de type accepteur renferme des monomres acryliques et des monomres contenant des groupes fonctionnels. Cette composition copolymre non g~lifi~e est sensiblement exempte de m~taux de transition et d'acides de Lewis, et le copolymre est sensiblement exempt de r~sidus de monomre de type mal~ate et de r~sidus de monomre de type fumarate. L'agent de r~ticulation comprend au moins deux groupes fonctionnels qui r~agissent avec les groupes fonctionnels du copolymre. Cette composition thermodurcissable peut se pr~senter sous forme liquide, de poudre ou sous une forme dispers~e et peut Útre appliqu~e ~ l'aide de proc~d~s classiques ou de revÚtement ~lectrolytique.
Coca Simion
Coleridge Edward R.
Mccollum Gregory J.
O'dwyer James B.
Poole James E.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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