Patent ID: 8507600

Claim:
A primer, comprising a film-forming dispersion or solution, comprising: an A polymer, which comprises a polyolefin or a polyolefin mixture; a B polymer, which comprises at least one member selected from the group consisting of a (meth)acrylate homopolymer and a (meth)acrylate copolymer, comprising at least one member selected from the group consisting of a standard methacrylate and a standard acrylate; and an AB polymer, which comprises a graft copolymer comprising the A polymer and the B polymer, wherein the film-forming dispersion or solution is halogen-free and acid-free; and wherein the primer is suitable for coating at least one polyolefin, wherein the B polymer and the AB polymer have silyl groups, wherein the AB polymer is a graft copolymer comprising a polyolefin main chain and at least one poly(meth)acrylate side chain.