Patent ID: 7834069

Claim:
A thermoplastic molding composition consisting of A) 10-90 parts by weight of at least one member selected from the group consisting of aromatic polycarbonate and aromatic polyester carbonate, B) 0.5-30 parts by weight of rubber-modified graft polymer, C) 0.1-50 parts by weight of a plurality of hollow ceramic beads having a density of 2-3 g/cm 3 and a mean particle size from 0.5 to 100 μm, D) optionally phosphorous-containing flame proofing agent, E) optionally vinyl (co)polymer, and F) optionally at least one conventional functional additive selected from the group consisting of flame-retardant synergist, anti-dripping agent, lubricant, mold-release agent, nucleating agent, stabilizer, antistatic agent, conductive carbon black, carbon fibers, metal fibers, carbon nanotubes, dyestuffs and pigment.