Sulfomethylamide-containing polymers

Details Sulfomethylamide-containing polymers Sulfomethylamide-containing polymers

1987-01-12

1988-08-09

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C08F 834

Patent

active

047628944

ABSTRACT:
Polyacrylamide is reacted with formaldehyde and bisulfite at a temperature of at least about 100.degree. C. and at an initial reaction mixture pH of less than about 12, preferably about 3 to about 8, to produce sulfomethylpolyacrylamide.

REFERENCES:
patent: 4110520 (1978-08-01), Miyajima
patent: 4525562 (1985-06-01), Patel
Author: B. Jansan, G. Ellinghorst; Title: "Radiation Initiated Grafting of Hydrophillic & Reactive . . . ", Radiation Physical Chemistry, vol. 18, No. 5-6, pp. 1195-1102, 1981.
Author: Kh. Verani, I. Mladenov and M. Pundeva; Title: "Amination of Polyacrylonitrile Hydrolysate by the Hoffman Reaction", Yearbook of the Institute of Chemical Technology-Bougas, vol. 10, 1973.
Author: Savitskaya, M. N. & Kholodova, Yu. D.; Title: "Polyacrylamide And its Derivatives"; Inst. of Plant Physiology, Ukr. S.S.R. Academy of Sciences (Mar. 18, 1963).

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