Molded materials based on polycarbonates

US5969016A · kind A · utility

Assignee

• BASF SE

Inventors

• Martin Weber · Maikammer, DE
• Robert A. Weiss · Summit, US
• Norbert Güntherberg · Speyer, DE
• Klemens Massonne · Bad Dürkheim, DE
• Joachim Seibring · Freinsheim, DE
• Guenther Zimmer · Rheinau, DE

Key dates

• Filing date: Dec 20, 1996
• Grant date: Oct 19, 1999
• Expiry date: Dec 20, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L71/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Molding materials contain PA1 A) from 5 to 97.9% by weight of at least one polycarbonate having a weight average molecular weight (M.sub.w) of from 10,000 to 64,000 g/mol, PA1 B) from 1 to 93.9% by weight of at least one graft copolymer, PA1 C) from 1 to 93.9% by weight of at least one copolymer PA2 c.sub.1) at least one vinylaromatic compound of the general formula I ##STR1## where R is hydrogen or C.sub.1 -C.sub.8 -alkyl, R.sup.1 is C.sub.1 -C.sub.8 -alkyl and n is an integer from 0 to 3, or of a C.sub.1 -C.sub.8 -alkyl acrylate, a C.sub.1 -C.sub.8 -alkyl C.sub.1 -C.sub.8 -alkylacrylate or a mixture thereof and c.sub.2) acrylonitrile, C.sub.1 -C.sub.8 -alkylacrylonitrile or a mixture thereof, PA1 D) from 0.01 to 10% by weight of at least one polyhydroxyether of at least one aliphatic or aromatic diol with epihalohydrin, PA1 E) from 1 to 25% by weight of at least one halogen-free phosphorus compound and PA1 F) from 0 to 50% by weight of additives.