Patent ID: 8343629
Filing Date: 2013-01-01
Classification: B32B,Y10T

Abstract:
1. A composite of a laminate comprising adjoining layers of I) a thermoplastically processable fluoropolymer and II) an organopolysiloxane/polyurea/polyurethane block copolymer comprising units of the formula (1) where R is a monovalent, optionally fluorine or chlorine-substituted hydrocarbon radical having 1 to 20 carbon atoms, X is an alkylene radical having 1 to 20 carbon atoms, in which nonadjacent methylene units are optionally replaced by —O— groups, A is an oxygen atom or an amino group —NR′—, Z is an oxygen atom or an amino group —NR′—, R′ is hydrogen or an alkyl radical having 1 to 10 carbon atoms, Y is a divalent, optionally fluorine- or chlorine-substituted hydrocarbon radical having 1 to 20 carbon atoms, D is an optionally fluorine-, chlorine-, C B is hydrogen or a functional or nonfunctional organic or organosilicon radical, n is from 1 to 160, a is at least 1, b is from 0 to 40, c is from 0 to 30 and d is greater than 0 and with the proviso that no tackifying MQ resin comprising monofunctional M siloxy units R