申请人:Kao Corporation
公开号:EP3785925A1
公开(公告)日:2021-03-03
The present invention relates to [1] an aqueous composition for ink-jet printing, containing a blocked isocyanate A, at least one compound B selected from the group consisting of a carbodiimide compound and an oxazoline compound, and water; [2] a coating liquid for ink-jet printing, containing the aqueous composition described in the above [1]; [3] an ink set for ink-jet printing, containing the aqueous composition described in the above [1], and a water-based ink containing a pigment, in which at least one of the aqueous composition and the water-based ink contains a resin containing a reactive group that is capable of undergoing a crosslinking reaction at least with the compound B; and [4] an ink-jet printing method using the aqueous composition described in the above [1], and a water-based ink containing a pigment, in which at least one of the aqueous composition and the water-based ink contains the resin containing a reactive group that is capable of undergoing a crosslinking reaction at least with the compound B, said ink-jet printing method including the steps 1 and 2.
本发明涉及[1]一种用于喷墨打印的水性组合物,其中含有封端异氰酸酯A、至少一种选自由碳二亚胺化合物和噁唑啉化合物组成的组的化合物B和水;[2]一种用于喷墨打印的涂料液,其中含有上述[1]所述的水性组合物;[3]一种喷墨打印用墨水组,含有上述[1]所述的水性组合物和含有颜料的水性墨水,其中水性组合物和水性墨水中至少有一种含有树脂,该树脂含有至少能与化合物 B 发生交联反应的活性基团;以及[4]一种喷墨印刷方法,使用上述[1]中所述的水性组合物和含有颜料的水性墨水,其中水性组合物和水性墨水中至少有一种含有能与化合物 B 至少发生交联反应的活性基团的树脂,所述喷墨印刷方法包括步骤 1 和 2。