Crosslinkable hydrophilic materials from polymers having pendent Michael donor groups
First Claim
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1. A hydrophilic, crosslinkable composition comprisinga first component polymer comprising a plurality of polymerized monomer units derived from an ethylenically unsaturated monomer having pendent hydrophilic groups, and a plurality of polymerized monomer units derived from an ethylenically unsaturated monomer having pendent Michael donor groups;
- anda crosslinking agent comprising at least two Michael acceptor groups, and optionally a monoacryl component.
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Abstract
The present invention provides crosslinkable compositions useful in the preparation of hydrophilic gels, and are prepared from polymers having pendent hydrophilic groups, and pendant Michael donor groups, and crosslinked by polyacryl Michael acceptor compounds.
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20 Claims
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1. A hydrophilic, crosslinkable composition comprising
a first component polymer comprising a plurality of polymerized monomer units derived from an ethylenically unsaturated monomer having pendent hydrophilic groups, and a plurality of polymerized monomer units derived from an ethylenically unsaturated monomer having pendent Michael donor groups; - and
a crosslinking agent comprising at least two Michael acceptor groups, and optionally a monoacryl component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification