| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an active energy ray-curable screen ink that is curable by an UV-LED active energy ray and has good curability, and good storage stability and good printability as a screen ink. <P>SOLUTION: The active energy ray-curable screen ink for UV-LED emitting UV rays having an emission peak wavelength ranging from 350 to 420 nm includes N-vinyl-ε-caprolactam, an acryl group-containing compound, a photofragmenting polymerization initiator (A) having a molar extinction coefficient of 100(l/mol*cm) or larger at a wavelength of 365 nm, a hydrogen abstracting polymerization initiator (B) having a molar extinction coefficient of 1,000(l/mol*cm) or larger at a wavelength of 365 nm, and a tertiary amine compound (C) having a molar extinction coefficient of 1(l/mol*cm) or smaller at a wavelength of 365 nm. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
