Polycarbonate compositions having low gloss values

Details Polycarbonate compositions having low gloss values Polycarbonate compositions having low gloss values

1982-11-29

1984-07-17

Jacobs, Lewis T.

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...

524611, C08K 336

Patent

active

044607334

ABSTRACT:
The present invention is directed to a polycarbonate composition comprising finely divided silica which composition is characterized by low gloss.

REFERENCES:
patent: 3359238 (1967-12-01), Goldberg et al.
patent: 3360498 (1967-12-01), Rawlings
patent: 4065401 (1977-12-01), Cohnen et al.
patent: 4110273 (1978-08-01), Cohnen et al.
patent: 4384067 (1983-05-01), Rawlings et al.
Min-u-sil Powder Coating Fillers; Epoxy and Polyester Powders, PGS a Subsidiary of ITT, No. 2072-SM976-CL.
TS 100, Flatting Agent, Degussa PT 47-2-3-977.
Technical Bulletin Pigments, Synthetic Silica Auxilaries for the Plastics Industry, Degussa, Pig 13-4-4-779 DD, Jul. 1979.
The Family of Syloid Silicas; Grace, Davison Chemical Division; PA-59-280.
Min-u-sil & Supersil Fillers for Adhesives & Sealants, PGS, a Subsidiary of ITT; 2055-5M1079-CL.
Min-u-sil, Micron-sized Silica Multi-Purpose Filler and Extender, PGS, a Subsidiary of ITT, 2073-SM978-CL.
Min-u-sil, PGS, Floridin, a Member of ITT System 2059-5M 1179 CL., p. 610 of 4th Ed Hackh's.

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