公开(公告)号：EP1772497B1

公开(公告)日：2008-08-13

申请号：EP06126839.7

申请日：2005-03-24

Applicant: Agfa Graphics N.V.

Inventor： Claes, Roland ,  Deroover, Geert ,  De Voeght, Frank

IPC: C09D11/02

CPC classification number: C09D11/101

公开(公告)号：EP1790696B1

公开(公告)日：2013-04-10

申请号：EP05111356.1

申请日：2005-11-28

Applicant: Agfa Graphics N.V.

Inventor： Deroover, Geert ,  Point, Nicolas

IPC: C09B67/22 ,  C09D11/02 ,  C09B67/20 ,  C09B67/46

CPC classification number: C09D11/36 ,  C09B67/0046 ,  C09B67/0051 ,  C09B67/0055 ,  C09B67/0086 ,  C09B67/009 ,  C09D11/101 ,  C09D11/322 ,  C09D11/326 ,  C09D11/40

公开(公告)号：EP1911814A1

公开(公告)日：2008-04-16

申请号：EP06122098.4

申请日：2006-10-11

Applicant: Agfa Graphics N.V.

Inventor： Claes, Roland ,  Deroover, Geert

IPC: C09D11/00 ,  C09D11/10

CPC classification number: C09D11/101 ,  C08F2/50 ,  C09D11/322 ,  C09D11/40

Abstract: A method for preparing a curable pigment inkjet ink set having a cyan inkjet ink, a yellow inkjet ink and a magenta inkjet ink comprising the steps of:
a) preparing a yellow inkjet ink consisting of one or more yellow pigments having ABS(Y) 500-530 400-500 > 60;
b) preparing a cyan inkjet ink consisting of one or more β-copper phthalocyanine pigments; and
c) preparing a magenta inkjet ink with a mixed crystal comprising a first quinacridone and a second quinacridone wherein the ratio of the first quinacridone over the second quinacridone is selected to have ABS(M) 500-530 > 20 and ABS(M) 500-600 > 60 with

ABS(Y) 500-530 representing the absorbance of the yellow inkjet ink between 500 and 530 nm in a normalized absorption spectrum of the yellow ink;
ABS(M) 500-530 representing the absorbance of the magenta inkjet ink between 500 and 530 nm in a normalized absorption spectrum of the magenta ink;
ABS(Y) 400-500 representing the absorbance of the yellow inkjet ink between 400 and 500 nm in a normalized absorption spectrum of the yellow ink; and
ABS(M) 500-600 representing the absorbance of the magenta inkjet ink between 500 and 600 nm in a normalized absorption spectrum of the magenta ink.
Also disclosed is a curable pigment inkjet ink set comprising yellow, cyan and magenta inkjet inks characterized in that the yellow inkjet ink comprises C.I. Pigment Yellow 150, the cyan inkjet ink comprising a β-copper phthalocyanine pigment and the magenta inkjet ink comprises a mixed crystal containing C.I. Pigment Violet 19 and C.I. Pigment Red 202 with C.I. Pigment Violet 19 present in the mixed crystal in an amount between 75 and 95 % as measured by Probe-MS.

Abstract translation: 一种制备具有青色喷墨油墨，黄色喷墨油墨和品红色喷墨油墨的可固化颜料喷墨油墨组合物的方法，包括以下步骤：a）制备由一种或多种具有ABS（Y）500的黄色颜料组成的黄色喷墨油墨 -530 <5和ABS（Y）400-500> 60; b）制备由一种或多种铜酞菁颜料组成的青色喷墨油墨; 和c）制备具有包含第一喹吖啶酮和第二喹吖啶酮的混合晶体的品红色喷墨油墨，其中第一喹吖啶酮相对于第二喹吖啶酮的比例被选择为具有ABS（M）500-530> 20和ABS（M）500 -600> 60，ABS（Y）500-530代表黄色墨水的标准化吸收光谱中黄色喷墨油墨在500和530nm之间的吸光度; ABS（M）500-530代表品红色墨水的归一化吸收光谱中品红色喷墨油墨在500和530nm之间的吸光度; ABS（Y）400-500表示黄色墨水的归一化吸收光谱中黄色喷墨油墨在400和500nm之间的吸光度; 和ABS（M）500-600，表示洋红色油墨的归一化吸收光谱中品红色喷墨油墨在500和600nm之间的吸光度。 还公开了一种包含黄色，青色和品红色喷墨油墨的可固化颜料喷墨油墨，其特征在于，黄色喷墨油墨包含C.I. 颜料黄150，包含铜酞菁颜料和洋红色喷墨油墨的青色喷墨油墨包含含有C.I.的混合晶体。 颜料紫19和C.I. 颜料红202与C.I. 通过Probe-MS测量，混合晶体中存在的颜料紫19的量为75至95％。

公开(公告)号：EP1790697A1

公开(公告)日：2007-05-30

申请号：EP05111357.9

申请日：2005-11-28

Applicant: Agfa Graphics N.V.

Inventor： Deroover, Geert ,  Point, Nicolas

IPC: C09B67/22 ,  C09D11/02

CPC classification number: C09D11/101 ,  C09B67/0046 ,  C09B67/0051 ,  C09B67/0055 ,  C09B67/009 ,  C09D11/326 ,  C09D11/36 ,  C09D17/002

Abstract: A non-aqueous pigment dispersion comprising a colour pigment, a polymeric dispersant and a dispersion synergist in a dispersion medium characterized in that the dispersion synergist is represented by Formula (I):

wherein,
AR 1 and AR 2 represent a substituted or unsubstituted aromatic group and R represents a substituted or unsubstituted aliphatic group, with the proviso that one of R, AR 1 and AR 2 contains at least one carboxylate anion and that the molecular weight of the anionic part of the dispersion synergist is smaller than the molecular weight of the colour pigment.

Abstract translation: 一种在分散介质中含有彩色颜料，聚合物分散剂和分散增效剂的非水性颜料分散体，其特征在于分散增效剂由式（I）表示：其中，AR1和AR2表示取代或未取代的芳族基团，R 表示取代或未取代的脂族基团，条件是R，AR1和AR2中的一个包含至少一个羧酸根阴离子，并且分散增效剂的阴离子部分的分子量小于有色颜料的分子量。

公开(公告)号：EP1790696A1

公开(公告)日：2007-05-30

申请号：EP05111356.1

申请日：2005-11-28

Applicant: Agfa Graphics N.V.

Inventor： Deroover, Geert ,  Point, Nicolas

IPC: C09B67/22 ,  C09D11/02 ,  C09B67/20

CPC classification number: C09D11/36 ,  C09B67/0046 ,  C09B67/0051 ,  C09B67/0055 ,  C09B67/0086 ,  C09B67/009 ,  C09D11/101 ,  C09D11/322 ,  C09D11/326 ,  C09D11/40

Abstract: A non-aqueous pigment dispersion comprising a colour pigment, a polymeric dispersant, and a dispersion synergist characterized in that the molecular weight of the anionic part of the dispersion synergist containing at least one carboxylate anion is smaller than the molecular weight of the colour pigment and that the anionic part of the dispersion synergist has a similarity coefficient SIM of at least 0.5 with the similarity coefficient defined by: SIM = t . C S + P - C
wherein,
S represents the number of atoms in the anionic part of the dispersion synergist;
P represents the number of atoms in the colour pigment;
C represents the largest number of atoms in common between the anionic part of the dispersion synergist and the colour pigment as one continuous structure; and
t is an integer representing the number of times that the largest number of atoms
in common C fits into the organic colour pigment, without using atoms of the colour pigment twice.

Abstract translation: 一种包含着色颜料，聚合物分散剂和分散协同剂的非水颜料分散体，其特征在于含有至少一种羧酸根阴离子的分散协同剂的阴离子部分的分子量小于彩色颜料的分子量， 分散协同剂的阴离子部分具有至少为0.5的相似系数SIM，其相似系数定义为：SIM = t。 C S + P-C其中，S表示分散增效剂的阴离子部分中的原子数; P表示着色颜料中的原子数; C表示作为一个连续结构的分散增效剂的阴离子部分和彩色颜料之间共同的最大原子数; t是代表共同C中最大数量的原子配合到有机彩色颜料中而不使用彩色颜料的原子两次的次数的整数。