Preparing a hydrophilic gel by hydrolyzing a vinyl ester-acrylic

Details Preparing a hydrophilic gel by hydrolyzing a vinyl ester-acrylic Preparing a hydrophilic gel by hydrolyzing a vinyl ester-acrylic

1977-10-13

1979-05-22

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

128284, 260 296TA, 260 296B, 260 326R, 260 328R, 260 334R, 260 336UA, 521 31, 521 32, 526 7, 526 9, 526 10, 526 11, 526328, 526329, C08F 812, C08L 2902

Patent

active

041558936

ABSTRACT:
A method for the preparation of water-insoluble gels containing at least a hydroxyl group and a carboxylate group in molecules thereof which comprises saponifying copolymers comprising a vinyl ester component and an acrylic or methacrylic acid ester component or terpolymers comprising said two components and an ethylene component in the presence of an alkali catalyst and a solvent under conditions in which said copolymers or terpolymers are not dissolved.

REFERENCES:
patent: 2328922 (1943-09-01), Neher et al.
patent: 2467774 (1949-04-01), Plambeck

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