Organopolysiloxane-phenolphthalein-polycarbonate copolymers

Details Organopolysiloxane-phenolphthalein-polycarbonate copolymers Organopolysiloxane-phenolphthalein-polycarbonate copolymers

1978-07-21

1979-09-11

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 25, 528 26, 528 27, 528 29, 525474, C08L 4304, C08L 8300

Patent

active

041675363

ABSTRACT:
Polymeric compositions containing organosiloxane units, carbonate units and a phenolphthalein nucleus are found to be both thermally processable and possess excellent flame resistance and smoke properties.

REFERENCES:
patent: 3022272 (1962-02-01), Schnell et al.
patent: 3036036 (1962-05-01), Howe
patent: 3819744 (1974-06-01), Buchner et al.
patent: 3821325 (1974-06-01), Merritt, Jr. et al.
patent: 3832419 (1974-08-01), Merritt, Jr.

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