Process for producing transparent gels with improved mechanical

Details Process for producing transparent gels with improved mechanical Process for producing transparent gels with improved mechanical

1974-05-09

1976-04-06

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296H, 260 296Z, 260 296E, 260 296SQ, C08F 210, C08F 2056

Patent

active

039488411

ABSTRACT:
A process for producing transparent hydrophilic gels having improved mechanical and sorption properties made from copolymers of 2-hydroxyethyl methacrylate and amides of methacrylic or acrylic acid, wherein said 2-hydroxyethyl methacrylate is copolymerized with about 20 to 90 weight percent of said methacrylamide or about 20 to 80 weight percent of said acrylamide in the presence of a crosslinking agent and a diluent, and the gels thus obtained are further modified by heating in an aqueous medium.

REFERENCES:
patent: 3699089 (1972-10-01), Wichterle
patent: 3721657 (1973-03-01), Seiderman
patent: 3758448 (1973-09-01), Stamberger
patent: 3780003 (1973-12-01), Seymour et al.
patent: 3784540 (1974-01-01), Kliment et al.

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