Water-insoluble hydrophilic copolymers
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United States of America Patent
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Mar 11, 1980
Issued Date -
N/A
app pub date -
Mar 3, 1978
filing date -
Jun 27, 1974
priority date (Note) -
Expired
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Abstract
A water-insoluble hydrophilic gel comprising: (A) about 30 to about 90% of a hydrophilic (a) polymer of identical or different water-soluble mono-olefinic monomers, or (b) copolymer of said water-soluble monomers with 1 to 70% of water-insoluble, identical or different mono-olefinic monomers, which polymer or copolymer is cross-linked with (B) about 10 to about 70% of a terminal diolefinic hydrophobic macromer having a molecular weight from about 400 to about 8000.
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