Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1978-10-30
1980-03-25
Woodberry, Edward M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
47DIG10, 106213, 128284, 128285, 128296, 210 24, 252316, 435178, C08L 302
Patent
active
041949986
ABSTRACT:
Absorbent compositions comprising graft copolymers of starch are prepared by a simplified method of synthesis. By using a mixture of a nonionic acrylic monomer and an anionic sulfonic acid-substituted acrylic monomer, highly absorbent compositions are prepared without the need for an alkaline saponification step. These compositions are also characterized by their ability to absorb large amounts of aqueous fluids under highly acidic conditions.
REFERENCES:
patent: 3770673 (1973-11-01), Slagel et al.
patent: 3826767 (1974-07-01), Hoover et al.
patent: 3889678 (1975-06-01), Chatterjee et al.
patent: 4028290 (1977-06-01), Reid
patent: 4076663 (1978-02-01), Masuda et al.
patent: 4134863 (1979-01-01), Fanta et al.
Doane William M.
Fanta George F.
Stout Edward I.
McConnell David G.
Ribando Curtis P.
Silverstein M. Howard
The United States of America as represented by the Secretary of
Woodberry Edward M.
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