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    • 35. 发明公开
    • Ink composition and ink-jet recording method
    • Tintenzusammensetzung und Tintenstrahl-Aufzeichnungsverfahren
    • EP1329486A2
    • 2003-07-23
    • EP02028155.6
    • 2002-12-19
    • FUJI PHOTO FILM CO., LTD.
    • Takahashi, OsamuDeguchi, YasuakiIshii, YoshioYabuki, Yoshiharu
    • C09D11/00B41M5/00
    • C09D11/30B41M7/00C09D11/328C09D11/40
    • An ink composition containing colored particles produced by mixing together a solution containing a hydrophobic dye, a hydrophobic polymer, an organic solvent with a high boiling point and a water solubility of 4 g or below, and an auxiliary solvent with a boiling point of 200°C or below and a water solubility below 25 g, and an aqueous medium for emulsification and dispersion, and subsequently removing the auxiliary solvent, where the mean particle size of the colored particles is 0.01 to 0.5 µm with a coefficient of variation of the particle size within 45 %, and a specific gravity thereof is 0.9 to 1.2. Also, the ink-jet recording method comprising: jetting an ink composition containing colored particles which contain at least one hydrophobic dye and at least one hydrophobic polymer on as image-receiving material to record images and subjecting the colored particles to a heating process and/or pressurizing process to melt and fix the colored particles.
    • 将含有疏水性染料,疏水性聚合物,高沸点有机溶剂,水溶性为4g以下的溶液和沸点为200℃的辅助溶剂混合在一起的含有着色颗粒的油墨组合物 C以下,水溶性低于25g,将乳化分散用水性介质除去,随后除去有色微粒的平均粒径为0.01〜0.5μm,辅助溶剂的粒子的变异系数 尺寸在45%以内,比重为0.9〜1.2。 此外,喷墨记录方法包括:将含有至少一种疏水性染料和至少一种疏水性聚合物的着色颗粒的油墨组合物喷射到图像接收材料上以记录图像并使着色颗粒经受加热处理和/ 或加压工艺以熔化和固定着色颗粒。