申请人:Fujifilm Corporation
公开号:EP2169018A2
公开(公告)日:2010-03-31
An ink composition is provided that includes (A) a pigment other than titanium oxide, (B) a cationically polymerizable compound, and (C) a photo-acid generator, the pigment (A) having a content of 3.5 to 20 wt %, the cationically polymerizable compound (B) containing only an oxirane compound and/or an oxetane compound, the oxirane compound and/or the oxetane compound containing a low-viscosity compound having a viscosity at 25°C of no greater than 12 mPa·s, and the low-viscosity compound having a total content of 65 to 100 wt % relative to the total weight of the cationically polymerizable compound (B). There is also provided an ink composition that includes (A') titanium oxide, (B) a cationically polymerizable compound, and (C) a photo-acid generator, the titanium oxide (A') having a content of 35 to 45 wt %, the cationically polymerizable compound (B) containing an oxirane compound, oxetane compound, or vinyl ether compound having a viscosity at 25°C of no greater than 12 mPa·s, and the oxirane compound, oxetane compound, and vinyl ether compound having a viscosity at 25°C of no greater than 12 mPa·s having a total content of 65 to 100 wt % relative to the total weight of the cationically polymerizable compound (B). There is also provided an inkjet recording method that includes (a1) a step of discharging the ink composition above onto a recording medium and (b1) a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation.
提供了一种油墨组合物,其中包括 (A) 除氧化钛以外的颜料,(B) 阳离子可聚合化合物,和 (C) 光酸发生器,颜料 (A) 的含量为 3.5至20重量%,阳离子可聚合化合物(B)仅含有环氧乙烷化合物和/或氧杂环丁烷化合物,环氧乙烷化合物和/或氧杂环丁烷化合物含有低粘度化合物,其在25°C时的粘度不大于12 mPa-s,相对于阳离子可聚合化合物(B)的总重量,低粘度化合物的总含量为65至100重量%。还提供了一种油墨组合物,其中包括 (A')氧化钛、(B) 可阳离子聚合的化合物和 (C) 光酸发生器,氧化钛 (A') 的含量为 35 至 45 wt %,可阳离子聚合的化合物 (B) 含有环氧乙烷化合物、氧杂环丁烷化合物或乙烯基醚化合物,其含量为 35 至 45 wt %、或乙烯基醚化合物,其在 25°C 时的粘度不大于 12 mPa-s,且环氧乙烷化合物、氧杂环丁烷化合物和乙烯基醚化合物在 25°C 时的粘度不大于 12 mPa-s,其总含量相对于阳离子可聚合化合物 (B) 的总重量为 65 至 100 wt %。还提供了一种喷墨记录方法,包括(a1)将上述墨水组合物排放到记录介质上的步骤和(b1)通过用阳极辐射照射排放的墨水组合物来固化墨水组合物的步骤。