High molecular-weight, water-soluble vinyl polymers

Details High molecular-weight, water-soluble vinyl polymers High molecular-weight, water-soluble vinyl polymers

1975-08-07

1978-09-19

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

20415922, 260 296H, 260 296TA, 260 296B, 260 296SQ, 526303, 526240, 526287, 526312, 526328, 526292, C08F 1300, C08F 116, C08F 344

Patent

active

041153391

ABSTRACT:
Aqueous gels of water-soluble polymers and copolymers of extremely high molecular weight as measured by their intrinsic viscosities are prepared by the irradiation, under controlled conditions of concentration, radiation intensity, and total dose, of aqueous solutions of selected nitrogen-containing vinyl monomers separately, in admixture with each other or in admixture with non-nitrogenous vinyl monomers. The polymers may be recovered from the gels in conventional manner. The polymers and the gels are useful as flocculating and thickening agents in aqueous media.

REFERENCES:
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patent: 2940912 (1960-06-01), McKusick
patent: 3002960 (1961-10-01), Kolodny
patent: 3058899 (1962-10-01), Yanko et al.
patent: 3081244 (1963-03-01), Campanile
patent: 3090736 (1963-05-01), Bashaw et al.
patent: 3255142 (1966-06-01), Terenzi
patent: 3658771 (1972-04-01), Volk et al.
patent: 3681215 (1972-08-01), Peterson
patent: 3764502 (1973-10-01), Restaino

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