公开(公告)号：US20190315986A1

公开(公告)日：2019-10-17

申请号：US16427064

申请日：2019-05-30

申请人： Maxell Holdings, Ltd.

发明人： Tomohisa NISHIMOTO ,  Yoshiro NISHIMURA ,  Masaru NAKAYAMA ,  Satoshi KUBO

IPC分类号： C09D11/38 ,  C09D11/30 ,  C09D11/40 ,  C09D11/322 ,  B41J2/21 ,  C09D11/101 ,  B41J2/17 ,  C09D11/36

摘要： An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an ink-jet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an ink-jet recording apparatus, and the ink-jet recording apparatus includes an ink heating portion and an ink filter.