公开(公告)号：EP2415843A1

公开(公告)日：2012-02-08

申请号：EP11005735.3

申请日：2011-07-13

申请人： Canon Kabushiki Kaisha

发明人： Gouda, Keigo ,  Ogasawara, Masashi ,  Watanabe, Tomonari ,  Fujioka, Fumiaki ,  Nagai, Souichi ,  Yasuda, Akiko

IPC分类号： C09D11/00

CPC分类号： C09D7/62 ,  C01P2006/22 ,  C09C1/56 ,  C09C3/08 ,  C09D11/324 ,  C09D11/38

摘要： Disclosed herein are an ink containing a self-dispersible pigment and a salt, wherein the self-dispersible pigment is a pigment to the surface of a particle of which a functional group containing at least a group having a hydrogen bonding property and two phosphonic acid groups is bonded, counter ions of the two phosphonic acid groups containing one of K + and NH 4 + ; the salt is constituted by combining at least one cation of K + and NH 4 + + with at least one anion selected from the group consisting of Cl - , Br - , I - , ClO - , ClO 2 - , ClO 3 - , ClO 4 - , NO 2 - , NO 3 - , SO 4 2- , CO 3 2- , HCO 3 - , HCOO - , (COO - ) 2 , COOH(COO - ), CH 3 COO - , C 2 H 4 (COO - ) 2 , C 6 H 5 COO - , C 6 H 4 (COO - ) 2 , PO 4 3- , HPO 4 2- and H 2 PO 4 - ; a cation concentration in the ink is 0.04 mol/L or more; and the viscosity of a liquid obtained by evaporating 15% by mass of the ink is less than 3.5 mPa·s at 25°C.

摘要翻译： 本文公开了含有自分散性颜料和盐的油墨，其中所述自分散性颜料是至少含有氢键性质的基团的官能团和两个膦酸基团的颗粒表面的颜料 键合，含有K +和NH 4 +之一的两个膦酸基团的抗衡离子; 该盐通过将K +和NH 4 + +的至少一种阳离子与至少一种选自Cl - ，Br - ，I - ，ClO - ，ClO 2 - ，ClO 3 - ，ClO 4 - ，NO 2 - ，NO 3 - ，SO 4 2-，CO 3 2-，HCO 3 - ，HCOO - ，（COO - ）2，COOH（COO - ），CH 3 COO - ，C 2 H 4 COO - ）2，C 6 H 5 COO - ，C 6 H 4（COO - ）2，PO 4 3-，HPO 4 2-和H 2 PO 4 - ; 油墨中的阳离子浓度为0.04mol / L以上; 并且通过蒸发15质量％的油墨而获得的液体的粘度在25℃下小于3.5mPa·s。

公开(公告)号：EP2415843B1

公开(公告)日：2014-09-10

申请号：EP11005735.3

申请日：2011-07-13

申请人： Canon Kabushiki Kaisha

发明人： Gouda, Keigo ,  Ogasawara, Masashi ,  Watanabe, Tomonari ,  Fujioka, Fumiaki ,  Nagai, Souichi ,  Yasuda, Akiko

IPC分类号： C09D11/00

CPC分类号： C09D7/62 ,  C01P2006/22 ,  C09C1/56 ,  C09C3/08 ,  C09D11/324 ,  C09D11/38

摘要： Disclosed herein are an ink containing a self-dispersible pigment and a salt, wherein the self-dispersible pigment is a pigment to the surface of a particle of which a functional group containing at least a group having a hydrogen bonding property and two phosphonic acid groups is bonded, counter ions of the two phosphonic acid groups containing one of K + and NH 4 + ; the salt is constituted by combining at least one cation of K + and NH 4 + + with at least one anion selected from the group consisting of Cl - , Br - , I - , ClO - , ClO 2 - , ClO 3 - , ClO 4 - , NO 2 - , NO 3 - , SO 4 2- , CO 3 2- , HCO 3 - , HCOO - , (COO - ) 2 , COOH(COO - ), CH 3 COO - , C 2 H 4 (COO - ) 2 , C 6 H 5 COO - , C 6 H 4 (COO - ) 2 , PO 4 3- , HPO 4 2- and H 2 PO 4 - ; a cation concentration in the ink is 0.04 mol/L or more; and the viscosity of a liquid obtained by evaporating 15% by mass of the ink is less than 3.5 mPa·s at 25°C.