Brominated aromatic polyphosphate copolymers

Details Brominated aromatic polyphosphate copolymers Brominated aromatic polyphosphate copolymers

1974-07-23

1976-03-09

Raymond, Richard L.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

C07F 912

Patent

active

039431991

ABSTRACT:
An improved flame retardant molding composition of polypropylene terephthalate or polybutylene terephthalate is provided. The composition includes in intimate admixture an oxide of antimony and a specific brominated aromatic polyphosphate copolymer which has been found to be highly compatible with the other components. In a preferred embodiment the molding composition additionally includes a reinforcing agent (e.g. a glass fiber reinforcing agent). Unlike the flame retardant molding compositions of the prior art, the components of the same tend to be non-exuding during utilization of a resulting three-dimensional shaped article at elevated temperatures (e.g. after 66 hours at 175.degree.C.) and thereby render the same suitable for attractive utilization in an even wider range of applications.

REFERENCES:
patent: 3354240 (1967-11-01), Pochowicz
patent: 3706821 (1972-12-01), Anderson et al.

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