Melt-stable pigmented polycarbonate molding composition

Details Melt-stable pigmented polycarbonate molding composition Melt-stable pigmented polycarbonate molding composition

1998-09-23

2000-11-28

Buttner, David J.

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...

524 95, 525146, C08L 6900, C08K 322

Patent

active

061536857

ABSTRACT:
A thermoplastic composition featuring an improved resistance to thermally induced resin degradation is disclosed. The composition comprises (i) thermoplastic polycarbonate resin (ii) about 3 to 20 percent, relative to the total weight of (i) and (ii), of titanium dioxide, and (iii) an oligomer or polymer the structure of which features at least one pendant cyclic iminoether group per molecular chain. The amount of (iii) is that which is sufficient to improve the resistance of the composition to thermal degradation.

REFERENCES:
patent: 4590241 (1986-05-01), Hohlfeld
patent: 4895897 (1990-01-01), Kaufman
patent: 5055523 (1991-10-01), Inoue
patent: 5274034 (1993-12-01), Morgan et al.
patent: 5756621 (1998-05-01), Rosch et al.
patent: 5849820 (1998-12-01), Kim

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