发明名称 |
Oil-based ink-jet recording ink |
摘要 |
An ink-jet recording oil-based ink which has satisfactory pigment dispersibility both at the beginning of storage and even during long-term storage and provides excellent spouting stability without being influenced by temperature changes in printing circumstances. The ink comprises a pigment; a dispersing agent comprising a reaction product of a polyamine compound and a self condensation product of 12-hydroxystearic acid; a saturated hydrocarbon solvent comprising a liquid paraffin as a main component; and a vegetable oil, the ink having a surface tension of 26 to 30 dyne/cm at 25° C. and a contact angle on a polytetrafluoroethylene plate of 40° to 50° at 25° C., and satisfying the following relationship:wherein WHC is the weight of the saturated hydrocarbon solvent and WVC is the weight of the vegetable oil.
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申请公布号 |
US6730153(B2) |
申请公布日期 |
2004.05.04 |
申请号 |
US20030362217 |
申请日期 |
2003.02.26 |
申请人 |
SAKATA INX CORP. |
发明人 |
TSUCHIYA TATSUROU;KANO MASANORI |
分类号 |
B41J2/01;B41M5/00;C09D11/00;(IPC1-7):C09D11/00 |
主分类号 |
B41J2/01 |
代理机构 |
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代理人 |
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地址 |
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