Patent ID: 6034169
Filing Date: 2000-03-07
Classification: C08G,C08L,C09J

Abstract:
A process for laminating thermoplastic moldings with heat-activatable adhesive films softened by heat, comprising applying the adhesive to a surface of the molding and contacting the surface with another molding surface to which the adhesive is optionally applied, wherein the heat-activatable adhesive film comprises a mixture containing:A) at least one aqueous dispersion of a polymer which has a softening point of below 70.degree. C., said dispersion containing 5 to 70% by weight solids and having a film-forming temperature below 70.degree. C., andB) at least one aqueous dispersion of a polymer based on olefinically unsaturated monomers having a softening point above 70.degree. C. said dispersion containing 5 to 70% by weight solids,wherein the weight ratio of dispersions A) to dispersion B) is from 97:3 to 60:40, based on the solids content of said dispersionsC) at least one polyisocyanate compound containing at least two isocyanate groups.