Polyurea coating comprising an amine/(meth)acrylate...

Details Polyurea coating comprising an amine/(meth)acrylate... Polyurea coating comprising an amine/(meth)acrylate...

C - Chemistry, Metallurgy

08

G

C08G 18/38 (2006.01) C09D 175/02 (2006.01)

Patent

CA 2672988

Coating compositions comprising a polyurea formed from a reaction mixture comprising isocyanate and an acrylated amine are disclosed. The (meth)acrylated amine is the reaction product of a polyamine and a (meth)acrylate; when the (meth)acrylate comprises a poly(meth)acrylate, the reaction product further comprises a mono(meth)acrylate and/or a monoamine. Methods for using the coatings, and substrates coated therewith, are also disclosed.

L'invention concerne des compositions de revêtement comprenant une polyurée formée à partir d'un mélange de réaction comprenant un isocyanate et une amine acrylée. L'amine (méth)acrylée est le produit issu de la réaction entre une polyamine et un (méth)acrylate. Lorsque le (méth)acrylate comprend un poly(méth)acrylate, le produit issu de la réaction comprend également un mono(méth)acrylate et/ou une monoamine. L'invention concerne également des méthodes d'utilisation de ces revêtements, ainsi que des substrats recouverts de ces revêtements.

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