Bead-form expandable styrene polymers having a high expansion ca

Details Bead-form expandable styrene polymers having a high expansion ca Bead-form expandable styrene polymers having a high expansion ca

1990-06-04

1992-04-14

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, 521 89, 521 98, C08J 920

Patent

active

051049031

ABSTRACT:
Bead-form expandable styrene polymers containing a styrene polymer having a mean molecular weight (weight average) of less than 130.multidot.10.sup.3 and a steep high-molecular-weight flank of the molecular-weight distribution curve, and 0.15 to 1.5 mol of a C.sub.3 - to C.sub.6 -hydrocarbon as blowing agent, and, if desired, customary additives in effective amounts, are distinguished by a particularly high expansion capacity.

REFERENCES:
patent: 4513105 (1985-04-01), Hahn et al.
patent: 4520135 (1985-05-01), Hahn et al.
patent: 4525484 (1985-06-01), Hahn et al.

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