Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1982-08-23
1984-02-07
Foelak, Morton
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156289, 427244, 427373, 521 73, 521 89, 521 94, 521145, 521910, 264DIG5, B29C 1900
Patent
active
044301367
ABSTRACT:
A process for preparing an open-cell structure from a vinyl chloride resin. The process includes mixing a vinyl chloride resin, stabilizer, plasticizer, surface active agent, azodicarbonamide and 4,4'-oxybisbenzenesulfonyl hydrazide to form a vinyl chloride resin paste. The vinyl chloride resin paste of step (a) is rendered alkaline, and mixed to form a uniformly-mixed paste. The paste is permitted to expand, and then heated to cause gelation.
REFERENCES:
patent: 3278466 (1966-10-01), Crom et al.
patent: 3645931 (1972-02-01), Normanton et al.
Arai Akinori
Moriizumi Syuichi
Takeda Hisashi
Tsuchiya Toshio
Foelak Morton
Lonseal Corporation
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