An ink composition is provided that includes (A), an N-vinyllactam, (B) another polymerizable compound, (C) a polymerization initiator, (D) a basic compound, and (E) an oil-soluble dye having an oxidation potential of equal to or higher than 1.0 V (vs. SCEs); wherein of the total weight of the N-vinyllactam (A) and the other polymerizable compound (B) not less than 65 wt % is a monofunctional polymerizable compound. There is also provided an inkjet recording method that includes a step of discharging the ink composition onto a recording medium and a step of curing the ink composition by irradiating the discharged ink composition with actinic radiation. There is also provided a printed material recorded by the inkjet recording method.
                            提供了一种墨
水组合物,包括(A)N-
乙烯内酰胺、(B)另一种可聚合化合物、(C)聚合
引发剂、(D)碱性化合物和(E)氧化电位等于或高于1.0V(对SCE)的油溶性
染料;其中N-
乙烯内酰胺(A)和另一种可聚合化合物(B)的总重量中不少于65重量%为单官能团可聚合化合物。还提供了一种喷墨记录方法,该方法包括将墨
水组合物排放到记录介质上的步骤和通过用放电辐射照射排放的墨
水组合物来固化墨
水组合物的步骤。还提供了一种用喷墨记录方法记录的印刷材料。