Polycarbonate resin composition

Details Polycarbonate resin composition Polycarbonate resin composition

1998-01-12

1999-11-02

Buttner, David

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524108, C08G 6900, C08K 506

Patent

active

059772069

ABSTRACT:
A polycarbonate resin composition according to the present invention is suited to be used for medical supplies or appliances and shows a very low yellow discoloration when exposed to an ionizing radiation for sterilization. The polycarbonate resin composition comprises 100 parts by weight of a polycarbonate resin; 0.01 to 5 parts by weight of an aromatic compound containing oxy group or carbonyl group; and 0.01 to 5 parts by weight of at least one compound selected from the group consisting of: (A) a compound containing cyclic acetal group; (B) a sulfone compound; (C) a sulfoxide compound; (D) polyalkylene glycol, an ether of polyalkylene glycol or an ester of polyalkylene glycol; (E) a compound containing sulfonate group; and (F) an aromatic hydrocarbon-aldehyde resin.

REFERENCES:
patent: 4904710 (1990-02-01), Nace
patent: 4965303 (1990-10-01), Kishimoto
patent: 5006572 (1991-04-01), Lundy
patent: 5187211 (1993-02-01), Lundy
patent: 5280050 (1994-01-01), Powell
patent: 5382605 (1995-01-01), Powell
patent: 5476893 (1995-12-01), Lundy

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