Self-extinguishing, expandable styrene polymers

Details Self-extinguishing, expandable styrene polymers Self-extinguishing, expandable styrene polymers

1978-12-01

1980-08-19

Foelak, Morton

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

260 458NT, 260 458SN, 260 4595F, 521 57, 521 87, 521 90, 521 98, 521146, 521907, B32B 100

Patent

active

042185114

ABSTRACT:
Particulate self-extinguishing thermoplastic molding compositions based on styrene polymers containing volatile blowing agents are surface-coated with an organic bromine compound and, to stabilize the bromine compound against photodegradation, a N-hydroxyphenylbenzotriazole or a hydroxybenzophenone. The molding compositions may be used for the manufacture of foams by expanding the blowing agents at elevated temperatures.

REFERENCES:
patent: 2676927 (1954-04-01), McCurdy et al.
patent: 2894918 (1959-07-01), Killoran et al.
patent: 3061584 (1962-10-01), Raley, Jr.
patent: 3455873 (1969-07-01), Jenkner
patent: 3590014 (1971-06-01), Burt
patent: 4035315 (1977-07-01), Ingram

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