发明名称 |
Pigment dispersion and offset printing ink composition using the same |
摘要 |
A pigment dispersion is disclosed which comprises a pigment dispersant, a nonaqueous solvent and optionally a binder resin, wherein the pigment dispersion comprises as the pigment dispersion at least 0.2 parts by weight of a modified novolak resin (A) relative to 100 parts weight of the pigment, the modified novolak resin (A) having an aromatic ring and a ring structure given by ring opening of an epoxy group by a carboxyl group of a hydroxycarboxylic acid or a derivative thereof. An ink composition for offset printing containing the pigment dispersion is also disclosed.
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申请公布号 |
US6037405(A) |
申请公布日期 |
2000.03.14 |
申请号 |
US19980108293 |
申请日期 |
1998.07.01 |
申请人 |
SAKATA INX CORP. |
发明人 |
IWASE, KOJI;KINOSHITA, HIDEKI;SATO, TERUHISA;ISHIKAWA, HIROYUKI |
分类号 |
B01F17/00;C09B67/46;C09D11/02;C09D17/00;(IPC1-7):C08L61/00 |
主分类号 |
B01F17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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