申请人:MATSUMURA Tokihiko
公开号:US20100015352A1
公开(公告)日:2010-01-21
An ink-jet ink composition containing the following components of (a), (b), and (c), and having a viscosity at 25° C. in the range of from 5 mPa·s to 100 mPa·s,
(a) a polymerizable compound,
(b) a photopolymerization initiator, and
(c) a sensitizer represented by the following formula (i):
in the Formula (i), X represents O, S or NR; n represents an integer of 0 or 1; R represents a hydrogen atom, an alkyl group or an acyl group; each of R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
and R
8
independently represents a hydrogen atom or a monovalent substituent, provided that any neighboring two of R
1
, R
2
, R
3
and R
4
may be bonded to each other to form a ring, and R
5
and R
7
or R
8
, or R
6
and R
7
or R
8
, may be bonded to each other to form an aliphatic ring but do not form an aromatic ring.