Patent ID: 7989074
Filing Date: 2011-08-02
Classification: C08G,C09D,Y10T

Abstract:
1. A substrate having a surface capable of being exposed to aquatic conditions; wherein the surface has a fouling release coating thereon; and the coating comprises a polymeric material prepared by reacting a mixture comprising: an amino functional polyorganosiloxane comprising aminoalkyl terminated polydimethylsiloxane; polyisocyanate; and polyol, which comprises hydroxy-functional poly(meth)acrylate; wherein the polyisocyanate comprises hexamethylene diisocyanate trimer, isophorone diisocyanate trimer or a mixture thereof; and the hydroxy-functional poly(meth)acrylate is formed from a monomer mixture comprising hydroxyalkyl acrylate and alkyl acrylate; and the fouling release coating has an initial water contact angle of at least about 90°.