Patent ID: 6706788
Filing Date: 2004-03-16
Classification: C08F,C08K,C08L,C09K

Abstract:
A flame resistant thermoplastic molding composition consisting of A) 70 to 98 parts by weight of an aromatic polycarbonate based on one or more of the diphenols of formula (III) whereA signifies a single bond, C1-C6-alkylene, C2-C6-alkylidene, C5-C6-cyclo alkyliden, â€”Sâ€” or â€”SO2â€”, B independently of one another signify C6-C10-aryl and C7-C12 aralkyl, q signifies 0, 1 or 2 and P signifies 1 or 0, or of the dihydroxyphenylcycloalkanes of formula (IV), â€ƒwhere R8 and R9, independently of one another, signify hydrogen, C5-C6-cycloalkyl, C6-C10-aryl, and C7-C12-aralkyl, m signifies an integer from 4, 5, 6 or 7, R10 and R11, are selected individually for each Z and independently of one another, signify hydrogen or C1-C6-alkyl and Z signifies carbon, with the proviso that R10 and R11 both signify alkyl simultaneously on at least one Z atom, B) 0.5 to 20 parts by weight of a graft polymer having average particle diameter, d50, of 0.05 to 2 &mgr;m, 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) â€ƒwhere R1, R2 and R3, independently of one another, signify C1-C8-alkyl, C8-C20-aryl or C7-C12-aralkyl, m signifies 0 or 1 and n signifies 0 or 1 and C.2) 90 to 10 wt. %, based on C, of a phosphorus compound of formula (II) â€ƒwhere R4, R5, R6, R7, independently of one another, signify C1-C8-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or C7-C12-aralkyl, I independently of one another, signifies 0 or 1, N signifies 1 to 5 and X signifies a mononuclear or polynuclear aromatic radical with 6 to 30 C atoms and D) 0.05 to 5 parts by weight of a fluorinated polyolefin with an average particle diameter of 0.05 to 1000 &mgr;m, a density of 1.2 to 2.3 g/cm3 and a fluorine content of 65 to 76 wt %, and at least one additive selected from the group consisting of stabilizers, dyes, pigments, lubricants, mold release agents, fillers, reinforcing agents, nucleating agents and static agents.