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US 2002/0161078 A1Published application
Flame-resistant polycarbonate compositions having increased chemical resistance
AssigneeBayer Aktiengesellschaft
InventorsMichael Zobel, Andreas Seidel, Thomas Eckel, Torsten Derr, Dieter Wittmann
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Abstract
A flame retardant, chemical and impact resistant, thermoplastic molding composition is disclosed. The composition that contains (A) an aromatic polycarbonate and/or polyester carbonate, (B) a graft polymer, (C) an oligophosphate conforming to a specific formulaEINBETTEN, (D) an anti-drip agent, and (E) a polyhydroxy ether is suitable for preparing molded articles.
Claims24
A thermoplastic molding composition comprising
- (A) at least one aromatic polycarbonate and/or polyester carbonate,
- (B) at least one graft polymer,
- (C) at least one oligophosphate of the general formula
- 8
- in which the radicals
- R1, R2, R3 and R4 independently of one another denote a member selected from the group consisting of C1 to C8 alkyl , C5 to C6 cycloalkyl, C6 to C10 aryl and C7 to C12 aralkyl,
- n independently of one another is 0 or 1,
- q independently of one another is 0, 1, 2, 3 or 4,
- Q is 0.5 to 30,
- R5 and R6 independently of one another denote C1 to C4 alkyl or halogen, and
- Y denotes a member selected from the group consisting of C1 to C7 alkylidene, C1 to C7 alkylene, C5 to C12 cycloalkylene, C5 to C12 cycloalkylidene, —O—, —S—, —SO—, —SO2— and —CO—,
- (D) at least one anti-drip agent and
- (E) at least one polyhydroxy ether.
10 more elements
Dependencies are inferred from the claim text.