发明公开
EP1980598A1 Water-based heat fixing ink and heat fixing inkjet recording method
有权
水基热定影墨水和热定影喷墨记录方法
- 专利标题： Water-based heat fixing ink and heat fixing inkjet recording method
- 专利标题（中）： 水基热定影墨水和热定影喷墨记录方法
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申请号： EP08251143.7申请日： 2008-03-28
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公开(公告)号： EP1980598A1公开(公告)日： 2008-10-15
- 发明人: Ushiku, Masayuki
- 申请人： Konica Minolta Holdings, Inc.
- 申请人地址： 6-1, Marunouchi 1-chome Chiyoda-ku Tokyo 100-0005 JP
- 专利权人： Konica Minolta Holdings, Inc.
- 当前专利权人： Konica Minolta Holdings, Inc.
- 当前专利权人地址： 6-1, Marunouchi 1-chome Chiyoda-ku Tokyo 100-0005 JP
- 代理机构： McCluskie, Gail Wilson
- 优先权： JP2007103578 20070411
- 主分类号： C09D11/00
- IPC分类号： C09D11/00
摘要：
A water-based heat fixing ink comprising at least the following 4 compounds, a: pigment; b: water-soluble resin comprising a copolymer, in which a monomer having a carboxyl group and a monomer having a hydrophobic group are polymerized, and the resin is dissolved by neutralization with an amine; c: an organic solvent satisfying following Equation (1) which is represented by a hydrogen bonding term and a polar term of a solubility parameter; and d: water; wherein b is contained in an amount of 0.5 - 7.0 weight% as a free polymer in a water-based heat fixing ink, 8 ≤ σ p 2 + σ h 2 1 / 2 ≤ 12
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