Patent ID: 8227048
Filing Date: 2012-07-24
Classification: B33Y,G03F,Y10T

Abstract:
1. A photocurable composition comprising: a. 30%-80% by weight of an epoxy-containing compound; b. 5-40% by weight of a polyfunctional (meth)acrylate; c. 5-40% by weight of a mixture of polyol (1) and polyol (2), wherein polyol (1) is different than polyol (2) and polyol (2) has a higher hydroxyl equivalent weight than polyol (1) and wherein polyol (1) has a hydroxyl equivalent weight of 180 to 1500 g/OH equivalent and polyol (2) has a hydroxyl equivalent weight of 230 to 7000 g/OH equivalent; d. a cationic photoinitiator; e. a free radical photoinitiator; and optionally f. one or more stabilizers wherein the percent by weight is based on the total weight of the photocurable composition and wherein the photocurable composition is a clear liquid.