Patent ID: 9617457
Date: 2017-04-11
CPC Classifications: C08K,C08L,C09K

Claim:
1. A composition comprising A) 20.0 to 80.49 wt % of polycarbonate, B) 15.0 to 60.0 wt % of expanded graphite, the D(0.5) of the graphite, determined by sieve analysis according to DIN 51938, being <1.2 mm, C) 4.5 to 10 wt % of at least one phosphorus compound of the general formula (V) D) 0.01 to 5.0 wt % of at least one ethylene/alkyl (meth)acrylate copolymer, E) optionally at least one further polymer additive, selected from the group consisting of heat stabilizers, flame retardants other than component C, antistatic agents, colorants, pigments, mould release agents, UV absorbers, IR absorbers and fillers, selected from the group of chalk, quartz powder, titanium dioxide, silicates, aluminosilicates, aluminium oxide, silica, magnesium hydroxide and aluminium hydroxide,