Patent ID: 7690301
Filing Date: 2010-04-06
Classification: B41C,B41M,C09D,Y10T

Abstract:
1. An ink composition comprising (a) a cationically polymerizable oxetane compound represented by one of the following formulae (1)-(5): wherein R R R wherein R R R n is an integer of 0 to 2,000; R wherein R m is an integer of 0 to 100; R j is 3 or 4; R r is 1 to 4, (b) a compound that generates an acid upon irradiation with a radiation ray represented by one of the following formulae (b1) and (b2): wherein R (c) a basic compound that becomes less basic by irradiation with a radiation ray represented by one of the following formulae (I)-(III): wherein, R the ink composition further comprising an alicyclic epoxide; wherein the ink composition comprises a cationically polymerizable component containing 40-55 wt % of the oxetane compound and 35-50 wt % of the alicyclic epoxide.