Polycarbonate-titanium dioxide compositions and method

Details Polycarbonate-titanium dioxide compositions and method Polycarbonate-titanium dioxide compositions and method

1992-11-23

1993-10-26

Anderson, Harold D.

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...

525462, C08G 6442

Patent

active

052567281

ABSTRACT:
Pigmented polycarbonate compositions which are substantially stable with respect to molecular weight and melt viscosity are prepared by blending a redistributed polycarbonate with titanium dioxide free from polysiloxane coatings (i.e., "unpacified" titanium dioxide).

REFERENCES:
patent: 4357271 (1982-11-01), Rosenquist
patent: 4661555 (1987-04-01), Koga et al.
patent: 4772655 (1988-09-01), Krishnan et al.
U.S. patent application Ser. No. 07/968,946, filed Oct. 30, 1992.

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