Flame-resistant moulding materials

Details Flame-resistant moulding materials Flame-resistant moulding materials

C - Chemistry, Metallurgy

08

L

C08L 69/00 (2006.01) C08K 5/51 (2006.01) C08L 51/04 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2494349

A composition containing A) 40 - 95 parts by weight of an aromatic polycarbonate and/or polyester carbonate,B) 0.5 - 30 parts by weight of polyalkylene terephthalate, C) 0.5 - 30 parts by weight of a graft polymer, D) 0.5 -25 parts by weight of an oligomer phosphorus compound of formula (I), wherein R1, R2, R3, R4 independently from one another represent C1-C8-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or C7-C12-aralkyl, n is independently from each other 0 or 1,q is 0.5 - 15, and E) 0 -1 part by weight of a fluorinated polyolefin, the sum of said parts by weight amounting to 100.

L'invention concerne une composition contenant A) 40 à 95 parties en poids de polycarbonate aromatique et/ou de polyestercarbonate,B) 0,5 à 30 parties en poids de polyalkylèntérephthalate, C) 0,5 à 30 parties en poids de polymère greffé Pfropfpolymerisat, D) 0,5 à 25 parties en poids de composé phosphorique oligomère de la formule (I), (I) où R1, R2, R3, R4 représentent indépendamment les uns des autres alkyle C1-C8, cycloalkyle C5-C6, aryle C6-C10 ou aralkyle C7-C12, n vaut indépendamment 0 ou 1,q vaut 0,5 à 15, et E) 0 à 1 partie en poids de polyoéfine fluorée, la somme des parties en poids de ces composants étant égale à 100.

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