C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
403/70
C08J 9/10 (2006.01) C08J 9/00 (2006.01) C08J 9/04 (2006.01) C08J 9/14 (2006.01) C08L 27/24 (2006.01)
Patent
CA 1170000
Abstract of the Disclosure Composition of matter that can be foamed to form an expanded product having density of less than 20 lbs/ft3 and containing a preponderance of the cells in the size range of less than 500 microns comprising a mixture of chlorinated polyvinyl chloride, 5 to 50 parts by weight of chlorofluoroalkane of 1 to 2 carbon atoms as a primary blowing agent and 0.01 to 2 parts by weight of azodicarbonamide that is dispersed through the resin and forms cell nuclei from which expanded cells are created, all based on 100 parts by weight of the resin.
410065
Nehmey Samuel D.
Summers James W.
Goodrich (b.,f.) Company (the)
Marcoux & Sher Swabey Mitchell Houle
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