Patent ID: 7446141

Claim:
Thermoplastic composition comprising (a) an aromatic polycarbonate or a blend of aromatic polycarbonate and polyester, in which the polycarbonate forms the continuous phase, and (b) a mould release agent, wherein the composition comprises 0.01-3 mass % of a mould release agent that contains: (b1) a fatty acid ester of an aliphatic polyol having 2-6 hydroxy groups and an aliphatic C 10 -C 36 carboxylic acid; and (b2) a saturated alpha-olefin oligomer of at least one C 6 -C 18 alpha-olefin; and wherein components (b1) and (b2) are present in a mass ratio of (b1) to (b2) of from 1/3 to 3/1.