Method for producing an open cell foam from a polyvinyl chloride

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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264 54, 264175, 264DIG13, 264DIG60, 521 73, 521 75, B29D 2700

Patent

active

043819621

ABSTRACT:
A process for producing an open cell foam comprising the steps of:

REFERENCES:
patent: 2964799 (1960-12-01), Roggi et al.
patent: 3145241 (1964-08-01), Powell
patent: 3173978 (1965-03-01), Olson et al.
patent: 3536638 (1970-11-01), Dosmann
patent: 4124431 (1978-11-01), Schramer et al.
patent: 4226943 (1980-10-01), Tsurushige et al.
Dilley, E. R., "The Use of Chemical Blowing Agents in Direct Extrusion Expansion," In Trans. J. Plastics Inst., Feb. 1966, pp. 17-20.

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