Finely divided 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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260 458NT, 260 457R, 521 90, 521 98, 521907, C08J 918, C08J 920

Patent

active

041929225

ABSTRACT:
The invention provides finely grained, expandable particles of a styrene homopolymer or copolymer which contain an expanding agent and a flameproofing organic halogen compound as well as, in addition a 2,4-diamino-1,3,5-triazine derivative.

REFERENCES:
patent: 4049622 (1977-09-01), Fleig et al.

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