Expandable polyolefin compositions and preparation process utili

Details Expandable polyolefin compositions and preparation process utili Expandable polyolefin compositions and preparation process utili

1986-05-27

1987-02-03

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 53, 264DIG5, 521 79, 521 81, 521 97, 521134, 521139, 521 98, 521910, C08J 914

Patent

active

046409335

ABSTRACT:
An expandable polyolefin composition and a method of preparation are provided. Isobutane or mixtures of isobutane with other physical blowing agents are utilized to expand polyolefin compositions which have been modified by the addition of a stability control agent. The composition has a high degree of dimensional stability and exhibits minimal shrinkage during curing and/or aging.

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