C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 133/06 (2006.01) C08G 18/32 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/65 (2006.01) C09D 167/00 (2006.01) C09D 175/06 (2006.01)
Patent
CA 2209230
A coating composition useful for a finish for automobiles and trucks in which the film-forming binder comprises a hydroxy-functional (meth)acrylate copolymer derived from comonomers comprising an alkyl- substituted cycloaliphatic (meth)acrylic comonomer and/or alkyl-substituted aromatic vinyl comonomer is disclosed. The composition further comprises a structured multi-hydroxyl oligoester and a crosslinking agent. The composition is characterized by an improved balance of viscosity and dry time.
L'invention décrit une composition de revêtement utile pour le fini des automobiles et des camions, dans laquelle le liant filmogène comprend un copolymère de (méth)acrylate hydroxy-fonctionnel dérivé de comonomères comprenant un comonomère (méth)acrylique cycloaliphatique alkyl-substitué et/ou un comonomère vinylique aromatique alkyl-substitué. Cette composition comprend également un oligoester à structure multi-hydroxyle et un agent de réticulation. Ladite composition est caractérisée par un équilibre amélioré entre la viscosité et le temps de séchage.
Aerts Armand
Huybrechts Jozef
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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