Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-03-01
1978-05-02
Marquis, Melvyn I.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 25R, 260 23AR, 260 23R, 260 296E, 260 296AT, 260 306R, 260 312R, 260 318R, 260 318G, 260 334R, 260 342, C08L 3100
Patent
active
040873960
ABSTRACT:
A mixture of monomers, at least one of which contains 1 or 2 --COOH groups and the other one of which contains more than 1 vinyl group in the molecule, is polymerized by means of radical polymerization in the medium of a plasticizer or a mixture of plasticizers having saturated higher fatty acids or/and unsaturated higher fatty acids (either plain or halogenated) and/or higher alcohols. The product is transferred into the Na, K or NH.sub.3 form, the content of plasticizer is reduced to 20 - 70 wt. % (e.g. by centrifugation) or water is removed (e.g. azeotropic or vacuum distillation). The product is suitable, above all, in manufacturing of hygienic artificial leathers.
REFERENCES:
patent: RE23757 (1953-12-01), Pike
patent: 2397751 (1946-04-01), Rand
patent: 2923692 (1960-02-01), Ackerman et al.
patent: 3404110 (1968-10-01), Hunt et al.
"Skeist" Handbook of Adhesives, 1962, pp. 326 & 327 relied on.
Beran Miroslav
Gavrilova Ivana
Hudecek Slavko
Juracka Frantisek
Ceskoslovenska akademie ved
Marquis Melvyn I.
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