Flame-proof polycarbonate containing units deriving from halogen

Details Flame-proof polycarbonate containing units deriving from halogen Flame-proof polycarbonate containing units deriving from halogen

1990-08-28

1992-02-18

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528202, C08G 6404

Patent

active

050895958

ABSTRACT:
Thermoplastic, branched, high-molecular-weight polycarbonates endowed with flame-proof properties (self-extinguishing properties) are characterized in that they contain in their macromolecule carbonate units, units deriving from a di-hydroxy-aromatic compound having the formula: ##STR1## wherein: R is a single bond; or

REFERENCES:
patent: 4987269 (1991-01-01), Petri

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