Stabilized polyaryl ether ketone molding compositions

US5334642A · kind A · utility

Assignee

• BASF SE

Inventors

• Juergen Koch · Schifferstadt, DE
• Gerhard Heinz · Bad Dürkheim, DE

Key dates

• Filing date: Dec 30, 1992
• Grant date: Aug 2, 1994
• Expiry date: Dec 30, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/005
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Stabilized polyaryl ether ketone molding compositions containing as essential components PA0 A) from 50 to 99.99% by weight of a polyaryl ether ketone prepared by electrophilic polycondensation and composed to an extent of not less than 50 mol % of units of the formula I' ##STR1## where s and t are each 0, 1, 2 or 3, T and T' are each --O-- or --CO-- and Ar is meta-phenylene, paraphenylene or two aromatic rings linked to each other in the meta or para position by a chemical bond, or the ring-substituted C.sub.1 -C.sub.8 -alkyl, C.sub.6 -C.sub.20 -aryl or halogen derivatives thereof, PA0 B) from 0.01 to 4% by weight of at least one organic compound which has a base constant pk.sub.b within the range from 2 to 12 and a boiling point of higher than 300.degree. C., PA0 C) from 0 to 50% by weight of a further thermoplastic other than A), and PA0 D) from 0 to 45% by weight of fibrous or particulate fillers or mixtures thereof.