Flameproofed thermoplastic polyesters

Details Flameproofed thermoplastic polyesters Flameproofed thermoplastic polyesters

1994-03-31

1995-11-07

Hoke, Veronica P.

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...

524425, C08K 326

Patent

active

054648947

ABSTRACT:
Flameproofed thermoplastic molding materials are obtainable by mixing from 20 to 70% by weight of a mixture of carbonates of metals of the 2nd main group of the Periodic Table of Elements in a melt of from 10 to 80% by weight of a polyester prepolymer having a viscosity number of from 40 to 100 ml/g and subsequently carrying out solid-phase postcondensation.

REFERENCES:
patent: 4654413 (1987-03-01), Takahashi et al.
patent: 5298547 (1994-03-01), Gareiss et al.
Japanese Patent abstract of 63-210165 published Feb. 27, 1987.
Japanese Patent abstract of 53-104-650 published Feb. 24, 1977.

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