Patent ID: 7638197
Filing Date: 2009-12-29
Classification: B29C,B29K,B32B,C08G,C08K,C08L,Y10T

Abstract:
1. A composite element comprising an outer layer (i) which comprises a material selected from the group consisting of thermoplastics and metals, a supporting layer (ii) comprising a reinforced polyurethane material, and, optionally, a decorative inner layer (iii), in which there is adhesion between layers (i), (ii), and, optionally, (iii), and in which the reinforced polyurethane material comprises one or more internal in-mold release additives comprising: A) one or more polycondensates of carboxylic acids having a chain length of 8 to 40 carbon atoms, and one or more polyhydric alcohols, in which the carboxylic acids are optionally mixed with one or more dicarboxylic acids, and, optionally, B) one or more carboxylic acids having a chain length of 8 to 40 carbon atoms, and, optionally, C) one or more ammonium salts of at least one carboxylic acid having a chain length of 8 to 40 carbon atoms, and at least one diamine having at least one primary amino group and at least one tertiary amino group.