Patent ID: 6348123
Filing Date: 2002-02-19
Classification: C08G,C08J,C08L,C09J

Abstract:
A method for adhering a polyolefin material to other material comprising the steps of:1) applying a first primer which comprises i) a resin comprising at least one backbone selected from the group consisting of hydrocarbon chains and polybutadiene chains, and ii) at least one compound selected from the group consisting of polyisocyanate compounds and alkoxysilane compounds, to the surface of a polyolefin material, 2) applying a second primer which comprises a) at least one compound selected from the group consisting of polyisocyanate compounds and alkoxysilane compounds, and b) optionally at least one resinous compound selected from the group consisting of polyurethane resins, acrylic resins, polyester resins, epoxy resins, ethylene-vinyl acetate copolymers and chlorinated rubbers, onto the layer of said first primer, and3) adhering the surface of the polyolefin material to which the first and second primers are applied to other material using a moisture-curing polyurethane adhesive.