Polycarbonate resin blends containing titanium dioxide

Details Polycarbonate resin blends containing titanium dioxide Polycarbonate resin blends containing titanium dioxide

1998-10-23

2000-10-17

Jagannathan, Vasu

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524430, 524497, 524504, 524525, 524127, 523200, C08K 322, C08L 5106, C08L 5302

Patent

active

061333603

ABSTRACT:
Thermoplastic resin compositions containing an aromatic polycarbonate resin and a surface modified titanium dioxide having a first coating and no further coatings are disclosed. The compositions may include a rubber modified graft copolymer comprising a discontinuous rubber phase dispersed in a continuous rigid thermoplastic phase, wherein at least a portion of the rigid thermoplastic phase is chemically grafted to the rubber phase; a rigid copolymer; a fluoropolymer; and/or a flame retarding amount of an organophosphorus flame retardant. Preferred titanium dioxide include first coating materials of polyols or polysiloxanes. The thermoplastic resin compositions exhibit improved resistance to streaking compared to such thermoplastic resin compositions which incorporate titanium dioxide having a first coating and at least one additional coating.

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