申请人:UMEBAYASHI Tsutomu
公开号:US20090087576A1
公开(公告)日:2009-04-02
An ink composition is provided that includes compound A represented by Formula (I) below, compound B represented by Formula (II) below, and a polymerizable compound,
wherein, in Formula (I), X denotes O, S, or NR
a
, n1 denotes 0 or 1, R
a
, R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, R
8
, R
9
, and R
10
independently denote a hydrogen atom or a monovalent substituent, and two of R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, and R
8
that are adjacent may be linked to each other to form a ring, and in Formula (II), X denotes O, S, or NR
b
, n2 denotes 0 or 1, R
b
, R
11
, R
12
, R
13
, R
14
, R
15
, R
16
, R
17
, and R
18
independently denote a hydrogen atom or a monovalent substituent, and two of R
11
, R
12
, R
13
, and R
14
that are adjacent may be linked to each other to form a ring. There is also provided an inkjet recording method comprising (a) a step of discharging the ink composition onto a recording medium, and (b) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation.