发明申请
US20060092248A1 Ink-jet recording ink and method of ink-jet recording 有权
喷墨记录油墨和喷墨记录方法

  • 专利标题: Ink-jet recording ink and method of ink-jet recording
  • 专利标题(中): 喷墨记录油墨和喷墨记录方法
  • 申请号: US10503763
    申请日: 2003-02-06
  • 公开(公告)号: US20060092248A1
    公开(公告)日: 2006-05-04
  • 发明人: Toshiki TaguchiAkio MiyamotoTakashi OzawaManabu Ogawa
  • 申请人: Toshiki TaguchiAkio MiyamotoTakashi OzawaManabu Ogawa
  • 优先权: JP2002-32759 20020208; JP2002-33983 20020212; JP2002-34066 20020212; JP2002-34364 20020212; JP2002-35276 20020213
  • 国际申请: PCT/JP03/01251 WO 20030206
  • 主分类号: G01D11/00
  • IPC分类号: G01D11/00
Ink-jet recording ink and method of ink-jet recording
摘要:
An inkjet recording ink comprising an aqueous medium having dissolved and/or dispersed therein a phthalocyanine dye, wherein the phthalocyanine dye is a water-soluble dye having an oxidation potential more positive than 1.0 V (vs SCE) and the ink comprises a water-miscible organic solvent having a vapor pressure of 2,000 Pa or less at 20° C.; and an inkjet recording method using the ink. By virtue of such a constitution, an inkjet recording ink and an inkjet recording method are provided, which can ensure high ejection stability, good color hue of the obtained image, no drying of the ink at the inkjet head, excellent fastness to light and water, image quality free from defective such as fineline blurring under high-humidity condition, and good preservability of the image under severe conditions, and furthermore can ensure high storability and high ejection stability even after aging for a long time or under severe conditions.
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