发明名称 Processes for producing pigment dispersion and ink composition
摘要 A process for producing a pigment dispersion is disclosed. This process comprises the steps of: providing a mixture consisting essentially of a pigment, a dispersant, a polysiloxane surfactant and/or an alkanediol, a polyhydric alcohol, and water; and dispersing the ingredients of the mixture in one another. A process for producing an ink composition is also disclosed wherein the above pigment dispersion is mixed with a member selected from the group consisting of water, a surfactant, a wetting agent, a pH adjustor, and mixtures thereof. This ink composition can realize good image quality.
申请公布号 US2003188665(A1) 申请公布日期 2003.10.09
申请号 US20030374516 申请日期 2003.02.26
申请人 SEIKO EPSON CORPORATION 发明人 SANO TSUYOSHI;TAKEMOTO KIYOHIKO;WATANABE KAZUAKI
分类号 C08K5/00;C09B67/46;C09D11/00;C09D17/00;(IPC1-7):C08K5/00 主分类号 C08K5/00
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