Preparation of bead-form expandable styrene polymers

Details Preparation of bead-form expandable styrene polymers Preparation of bead-form expandable styrene polymers

1990-06-04

1990-12-25

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 60, 526346, 526347, C08J 000

Patent

active

049803816

ABSTRACT:
Bead-form expandable styrene polymers are obtained by suspension polymerization of styrene with addition of from 1 to 10% by weight of C.sub.3 - to C.sub.6 -hydrocarbons as blowing agents and, if desired, customary additives, where

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patent: 4129706 (1978-12-01), Keppler et al.
patent: 4609512 (1986-09-01), Rigler et al.
patent: 4769392 (1988-09-01), Lozachmeur

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