Patent ID: 6964800

Claim:
A multilayer structure comprising at least one external layer (A) formed from a polyamide composition and at least one adjacent internal layer (B) formed from a polyvinylidene-fluoride composition, wherein the polyamide composition or the polyvinylidene-fluoride composition comprises a polyacrylate compound comprising the repeat units of the following formulae: wherein: R, R 1 : which are identical or different, represent alkyl groups comprising from 1 to 12 carbon atoms, R 2 : is a radical of formula R 4 —F wherein R 4 is an alkyl, aryl, arylalkyl or alkylaryl radical and F represents an epoxy functional group, and, optionally, repeat units of formulae: wherein: R 5 represents a polyalkyl(meth)acrylate chain, R 3 represents an alkyl radical comprising from 1 to 6 carbon atoms, and n: is an integer between 1 and 4.