Process for making low density chlorinated polyvinyl chloride fo

Details Process for making low density chlorinated polyvinyl chloride fo Process for making low density chlorinated polyvinyl chloride fo

1982-09-28

1983-05-10

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264DIG5, 521 92, 521 97, 521 98, 521145, 521908, 521909, 521910, C08J 906, C08J 914

Patent

active

043830480

ABSTRACT:
A low density foam product is formed from a chlorinated polyvinyl chloride polymer (CPVC) composition containing a primary blowing agent and a nucleating system comprised of an alkali metal borohydride and a proton donor activator.

REFERENCES:
patent: 2758980 (1956-08-01), Talalay et al.
patent: 2909493 (1959-10-01), Bush
patent: 2930771 (1960-03-01), Wade
patent: 2951819 (1960-09-01), Wade
patent: 3167520 (1965-01-01), Wade
patent: 3331790 (1967-07-01), Scheurlen et al.
patent: 3393260 (1968-07-01), Miler

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