ANCHORED POLYSILOXANE-MODIFIED POLYURETHANE COATINGS AND USES THEREOF
First Claim
Patent Images
1. A polymeric material prepared by reacting a mixture comprising:
- polyisocyanate;
polyol; and
a polysiloxane component having two or more polyorganosiloxane chains attached to a linker group, which has one or more functional groups capable of reacting with the polyisocyanate attached thereto.
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Abstract
A polymeric material, prepared by reacting a mixture comprising a polyorganosiloxane having one or more isocyanate-reactive functional groups, polyisocyanate, and polyol, is provided. The isocyanate-reactive functional groups, typically one or two, are attached to only a single end of the polyorganosiloxane chains. The polymeric material may be used to form coatings on a substrate and to inhibit fouling on surfaces exposed to aqueous conditions.
107 Citations
40 Claims
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1. A polymeric material prepared by reacting a mixture comprising:
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polyisocyanate; polyol; and a polysiloxane component having two or more polyorganosiloxane chains attached to a linker group, which has one or more functional groups capable of reacting with the polyisocyanate attached thereto. - View Dependent Claims (2, 3, 26)
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4-5. -5. (canceled)
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6. A polymeric material prepared by reacting a mixture comprising:
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polyisocyanate; polyorganosiloxane having two or more functional groups capable of reacting with the polyisocyanate attached to only a single end of the polyorganosiloxane; and polyol. - View Dependent Claims (7, 40)
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8-25. -25. (canceled)
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27. A polymeric material prepared by reacting a mixture comprising:
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polyisocyanate; polyorganosiloxane having one or more reactive functional groups attached to only a single end of the polyorganosiloxane; and polyol; wherein the reactive functional groups are hydroxyl alkyl carbamate groups or amino groups. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification