C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 77/06 (2006.01) B32B 27/08 (2006.01) B32B 27/34 (2006.01) B32B 27/36 (2006.01) C08L 67/02 (2006.01)
Patent
CA 2299589
A thermoplastic composite having more than one layer and comprising the following layers: I. a layer I made from a polyamide molding composition, and II. a layer II made from a polyester molding composition, and between these a layer made from an adhesion promoter which comprises at least 50% by weight of a blend made from the following components: a) from 20 to 80% by weight of a polyamide, prepared from a) diamine having from 6 to 12 carbon atoms, and from an essentially stoichiometrically equivalent amount of dicarboxylic acid, where the dicarboxylic acid comprises at least 5 mol% of a dicarboxylic acid having from 10 to 36 carbon atoms, and also b) from 80 to 20% by weight of a polyester, prepared from a) a mixture of from 30 to 95 mol% of an aromatic dicarboxylic acid having from 6 to 20 carbon atoms and from 70 to 5 mol% of the same dicarboxylic acid as in the polyamide of the adhesion promoter, having from 10 to 36 carbon atoms, and from a diol having from 2 to 12 carbon atoms exhibits good adhesion of the layers.
Baumann Franz-Erich
Franzmann Giselher
Hager Harald
Oenbrink Georg
Schmitz Guido
Degussa Ag
Degussa-Huls Aktiengesellschaft
Fetherstonhaugh & Co.
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