Patent ID: 6780232
Filing Date: 2004-08-24
Classification: C08G,C08J,C08K,C09D,G02B,Y10T

Abstract:
A coating composition for forming a transparent, abrasion-resistant coating upon a substrate, comprising:a) the hydrolysis product of an epoxy-functional alkoxy silane, b) a curing agent for polymerizing epoxy compounds, the curing agent comprising a cationic photoinitiator, c) an ethylenically unsaturated monomer and photoactivated free-radical initiator therefore, and d) a viscosity-reducing amount up to 50% by weight, solids basis, of an unhydrolyzed epoxy-functional alkoxy silane, wherein the silanes of parts a) and d) are separately prepared and blended to form the composition and the composition is photocurable.