Fire retardant fine particulate expandable styrene polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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264 53, 264DIG9, 264DIG15, 521 58, 521 90, 521146, 521907, C08J 920, C08J 922

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active

044194587

ABSTRACT:
Fine particulate expandable flame retardant styrene polymers having an improved minimum mold dwell time and reduced block shrinkage are prepared by:

REFERENCES:
patent: 3755209 (1973-08-01), Nimtz et al.
patent: 4029614 (1977-06-01), Nimtz et al.
patent: 4192922 (1980-03-01), Nimtz et al.
patent: 4228244 (1980-10-01), Rigler et al.
patent: 4281030 (1981-07-01), Leithauser et al.
Weigert in Chemikerzeitung, #99, (1975), pp. 108-110.

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