Flameproof thermoplastic molding material

Details Flameproof thermoplastic molding material Flameproof thermoplastic molding material

1978-07-28

1979-06-12

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260 458NT, 260 458SN, 260 458NZ, 260 458N, 260DIG24, 260878R, 260880R, 260885, 260881, 521121, 521128, 521907, C08J 900

Patent

active

041580869

ABSTRACT:
A flameproof thermoplastic molding material based on a styrene polymer and containing from 0.05 to 5 percent by weight of an organic bromine compound as the flameproofing agent, with or without a blowing agent, wherein the bromine compound contains a heterocyclic ring, comprising the group ##STR1## IN ITS MOLECULE, AND IS HEAT-STABLE UP TO AT LEAST 150.degree. C. The preferred bromine compound has the formula ##STR2## The molding materials may be used for the manufacture of self-extinguishing moldings, eg. foam moldings.

REFERENCES:
patent: 3843650 (1974-10-01), Pews
patent: 3950306 (1976-04-01), Pews et al.
patent: 4039538 (1977-08-01), Klinkenberg et al.
patent: 4046735 (1977-09-01), Harris
patent: 4049622 (1977-09-01), Fleig et al.
patent: 4049622 (1977-09-01), Fleig et al.

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