Flame-resistant polycarbonates

Details Flame-resistant polycarbonates Flame-resistant polycarbonates

1975-07-02

1978-07-11

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457SE, C08K 306

Patent

active

041001303

ABSTRACT:
The present invention relates to flame resistant aromatic polycarbonate molding compositions which are blends containing between about 0.1 to 15 wt.% of sulphur. The blends of the present invention may also contain up to about 30 wt.% of glass fibers. The present invention also relates to improving the flame resistance of polycarbonate molding compositions by physically incorporating 0.1 to 15 wt.% of sulphur therein.

REFERENCES:
patent: 3157622 (1964-11-01), Goldberg
patent: 3228909 (1966-01-01), Odda
patent: 3445408 (1969-05-01), Gabris
patent: 3488317 (1970-01-01), Hechelhammer et al.
patent: 3542701 (1970-11-01), VAN Raamsdonk
patent: 3591550 (1971-07-01), Nitschmann et al.
patent: 3678079 (1972-07-01), Carty et al.
patent: 3890266 (1975-06-01), Serini et al.
patent: 3912792 (1975-10-01), Touval

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