Flame-resistant polycarbonate moulding materials which are...

Details Flame-resistant polycarbonate moulding materials which are... Flame-resistant polycarbonate moulding materials which are...

C - Chemistry, Metallurgy

08

L

C08L 69/00 (2006.01) C08K 5/523 (2006.01) C09K 21/14 (2006.01) C08L 27/18 (2006.01) C08L 51/04 (2006.01)

Patent

CA 2290567

Flame resistant thermoplastic molding composition containing A) 70 to 98 parts by weight of an aromatic polycarbonate, B) 0.5 to 20 parts by weight of a graft polymer, C) 0.5 to 5 parts by weight of a mixture of C.1) 10 to 90 wt.%, based on C, of a monophosphorus compound of formula (I) Image and C.2) 90 to 10 wt.%, based on C, of a phosphorus compound of formula (II) Image and D) 0.05 to 5 parts by weight of a fluorinated polyolefin with an average particle diameter of 0.05 to 1000 µm, a density of 1.2 to 2.3 g/cm3 and a fluorine content of 65 to 76 wt.%.

L'invention concerne des matériaux a mouler thermoplastiques ininflammables, contenant: A) 70 à 98 parties en poids d'un polycarbonate aromatique; B) 0,5 à 20 parties en poids d'un polymère greffé; C) 0,5 à 5 parties en poids d'un mélange de C.1) 10 à 90 % en poids, par rapport à C, d'un composé monophosphoré de la formule (I) et de C.2) 90 à 10 % en poids, par rapport à C), d'un composé phosphoré de la formule (II); et D) 0,05 à 5 parties en poids d'une polyoléfine fluorée dont le diamètre moyen de particule est compris entre 0,05 et 1000 mu m, et présentant une masse volumique de 1,2 à 2,3 g/m<3> et une teneur en fluor de 65 à 76 % en poids.

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