Polyamide composite having two or more layers

Details Polyamide composite having two or more layers Polyamide composite having two or more layers

C - Chemistry, Metallurgy

08

L

C08L 77/02 (2006.01) B32B 27/08 (2006.01) B32B 27/34 (2006.01) B32B 27/36 (2006.01) C08L 33/24 (2006.01) C08L 77/00 (2006.01) C08L 77/06 (2006.01)

Patent

CA 2365819

A composite having two or more layers and comprising the following layer: 1. a layer 1 made from a molding composition which comprises the following components: a) from 0 to 80 parts by weight of a polyamide selected from PA6, PA66, PA6/66 and mixtures of these, b) from 0 to 100 parts by weight of a polyamine-polyamide copolymer, c) from 0 to 80 parts by weight of a polyamide selected from PA11, PA12, PA612, PA1012, PA1212 and mixtures of these, where the total of the parts by weight of components a), b) and c) is 100, and where in addition - within the entirety of components a) and b), at least 20 parts by weight are composed of monomer units which derive from caprolactam and/or from the combination hexamethylene- diamine/adipic acid, and - within the entirety of components b) and c), at least 20 parts by weight are composed of monomer units which derive from .omega.-aminoundecanoic acid, laurolactam, the combination hexamethylenediamine/1,12-dodecanedioic acid, the combination 1,10-decanediamine/ 1,12-dodecanedioic acid, and/or the combination 1,12-dodecanediamine/1,12- dodecanedioic acid, has good layer adhesion.

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