Dimensionally stable thermoplastic moulding materials

Details Dimensionally stable thermoplastic moulding materials Dimensionally stable thermoplastic moulding materials

C - Chemistry, Metallurgy

08

L

C08L 77/00 (2006.01) C08L 25/12 (2006.01)

Patent

CA 2309737

The invention relates to thermoplastic moulding materials containing A) 10 to 97.9 wt.% of a semi-crystalline polyamide, B) 0.1 to 50 wt.% of a copolyamide consisting of B1) 60 to 90 mol.% units derived from .epsilon.-caprolactam and B2) 10 to 40 mol.% units derived from aliphatic dicarboxylic acids and aliphatic diamines,C) 1 to 40 wt.% of a copolymer with a base of styrene or substituted styrenes and unsaturated nitriles, D) 1 to 50 wt.% of a fibrous filler and E) 0 to 30 wt.% of other additives, the weight percentages of the components A) to E) totalling 100 %.

L'invention concerne des matières moulables thermoplastiques, contenant A) 10 à 97,9 % d'un polyamide semi-cristallin, B) 0,1 à 50 % en poids d'un copolyamide constitué de B¿1?) 60 à 90 % en moles de motifs dérivés de .epsilon.-caprolactame et B¿2?) 10 à 40 % en moles de motifs dérivés d'acides dicarboxyliques aliphatiques et de diamines aliphatiques, C) 1 à 40 % en poids d'un copolymère à base de styrène ou de styrènes substitués et de nitriles insaturés, D) 1 à 50 % en poids d'une charge fibreuse, E) 0 à 30 % en poids d'autres additifs, la somme des pourcentages en poids des composants A) à E) étant égale à 100 %.

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