Process for the preparation of an expandable vinyl plastisol

Details Process for the preparation of an expandable vinyl plastisol Process for the preparation of an expandable vinyl plastisol

1988-09-29

1990-06-05

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 82, 521 92, 521909, C08J 910

Patent

active

049314785

ABSTRACT:
Process for the preparation of an expandable vinyl plastisol capable of yielding cellular products containing a nitrogen-based blowing agent and a zinc salt as accelerator of decomposition of the blowing agent. The accelerator, which is preferably zinc chloride, is incorporated in the plastisol in the form of a solution in a liquid carrier.
The process results in cellular products consisting of uniform fine cells without any major change in color.

REFERENCES:
patent: 3197423 (1965-07-01), Ackerman
patent: 3305496 (1967-02-01), Riley, Jr. et al.
patent: 3321413 (1967-05-01), Riley, Jr. et al.
patent: 3340209 (1967-09-01), Riley, Jr. et al.
patent: 4029612 (1977-06-01), Collington
Chemical Abstracts, vol. 102, 1985, p. 38, No. 204854r, Columbus, Ohio, U.S.; & JP-A-60 06/36 (Akishima Kagaku Kogyo K.K.), 14-01-1985.

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