Patent ID: 7399820
Filing Date: 2008-07-15
Classification: C08G,C08L

Abstract:
1. A thermoplastic molding composition comprising at least one resinous component selected from the group consisting of homopolycarbonate, copolycarbonate and polyester carbonate and 10 to 60,000 ppm relative to the resinous component of at least one cyclic oligoformal of the formula (1) in which the residue O-D-O or O-E-O independently denotes randomly incorporated member selected from the group consisting of hydroquinone, resorcinol, dihydroxybiphenyls, bis(hydroxyphenyl)alkanes, bis(hydroxyphenyl)cycloalkanes, bis(hydroxyphenyl) sulfides, bis(hydroxyphenyl) ethers, bis(hydroxyphenyl) ketones, bis(hydroxyphenyl) sulfones, bis(hydroxyphenyl) sulfoxides, α,α′-bis(hydroxyphenyl)diisopropylbenzenes, the ring-alkylated compounds thereof, and α,ω-bis(hydroxyphenyl)polysiloxanes, said D and E differ one from the other and n denotes 3 to 25.