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    • 2. 发明申请
    • Ink for ink jet recording, ink set for ink jet recording and ink jet recording method
    • 用于喷墨记录的墨水,用于喷墨记录的墨水组和喷墨记录方法
    • US20050057629A1
    • 2005-03-17
    • US10502388
    • 2003-01-23
    • Toshiki TaguchiManabu OgawaTakashi Ozawa
    • Toshiki TaguchiManabu OgawaTakashi Ozawa
    • B41M5/00B41M5/52C09B29/033C09B29/36C09D11/00G01D11/00
    • C09D11/00B41M5/52C09B29/0025C09B29/3604C09D11/32C09D11/328
    • An object of the present invention is to provide a magenta ink for ink jet recording excellent in weathering resistance. An additional object of the present invention is to provide a magenta ink for ink jet recording which is preferably provided with a hue as magenta ink, exhibits a high stability in ejection and causes no defects in water resistance and image quality in addition to the aforesaid requirement. The objects of the present invention are accomplished with an ink for ink jet recording comprising a magenta dye selected from azo dyes dissolved or dispersed in an aqueous medium, characterized in that said magenta dye is a dye having a absorption maximum in a spectral range of from 500 to 580 nm in said aqueous medium and a more positive oxidation potential than 1.0V (vs SCE), particularly with the aforesaid ink for ink jet recording wherein the azo dye has a specific structure having a 5-membered heterocyclic ring and a 4-amino-6-membered heterocyclic ring connected to the azo group.
    • 本发明的目的是提供耐候性优良的用于喷墨记录的品红色油墨。 本发明的另一个目的是提供一种用于喷墨记录的品红色油墨,其优选地具有品红色油墨的色调,在喷射中表现出高稳定性,并且除了上述要求之外,不会产生耐水性和图像质量的缺陷 。 本发明的目的是通过一种用于喷墨记录的油墨来实现的,其包括选自溶于或分散在水性介质中的偶氮染料的品红色染料,其特征在于所述品红染料是在光谱范围内具有最大吸收的染料 在所述水性介质中为500〜580nm,比1.0V(与SCE)相比具有更高的氧化电位,特别是与上述喷墨记录用油墨相比,偶氮染料具有5元杂环的特殊结构, 连接到偶氮基的氨基-6-元杂环。
    • 6. 发明申请
    • Ink for inkjet recording and method for inkjet recording
    • 用于喷墨记录的墨水和用于喷墨记录的方法
    • US20050162492A1
    • 2005-07-28
    • US10503710
    • 2003-02-06
    • Toshiki TaguchiAkio MiyamotoTakashi OzawaManabu Ogawa
    • Toshiki TaguchiAkio MiyamotoTakashi OzawaManabu Ogawa
    • C09B29/42C09D11/00C09D11/328G01D11/00
    • C09D11/32C09D11/328C09D11/40
    • An inkjet recording ink comprising an aqueous medium having dissolved or dispersed therein a magenta dye selected from azo dyes, wherein the magenta dye is a dye having an oxidation potential more positive than 1.0 V (vs SCE) and at the same time, a water-miscible organic solvent having a vapor pressure of 2,000 Pa or less at 20° C. is contained; 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 ink jet head, excellent fastness to light and water, image quality free from defective such as fineline bleeding 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.
    • 一种喷墨记录油墨,其包含在其中溶解或分散有选自偶氮染料的品红色染料的水性介质,其中品红色染料是具有比1.0V(SCE)更正的氧化电位的染料,并且同时, 含有在20℃下蒸气压为2,000Pa以下的混溶性有机溶剂; 和使用该油墨的喷墨记录方法。 通过这样的结构,可以提供喷墨记录油墨和喷墨记录方法,其可以确保高喷射稳定性,所得图像的良好色调,喷墨头上的油墨不会干燥,对光的耐光性优异, 水分,高湿度条件下的毛细管出血等有缺陷的图像质量,在恶劣条件下图像的保存性良好,即使长时间或恶劣条件下老化,也能保证高储存性和高喷射稳定性。
    • 7. 发明申请
    • Ink for ink jet recording, process for the production of ink and ink jet recording process
    • 用于喷墨记录的油墨,用于生产油墨和喷墨记录工艺的方法
    • US20050076807A1
    • 2005-04-14
    • US10502393
    • 2003-01-23
    • Manabu OgawaToshiki TaguchiTakashi Ozawa
    • Manabu OgawaToshiki TaguchiTakashi Ozawa
    • C09D11/00C09D11/328
    • C09D11/32C09D11/328
    • An ink for ink jet recording having a phthalocyanine dye dissolved and/or dispersed in an aqueous medium, characterized in that the aforementioned phthalocyanine dye is a water-soluble dye having an oxidation potential of more positive than 1.0 and the conductivity of the aforementioned ink is from not 0.01 S/m to not greater than 10 S/m. A process for the production of the aforementioned ink for ink jet recording which comprises a step of applying ultrasonic vibration and/or a step of filtering using a filter having pores of an effective diameter of not greater than 1 μm and defoaming the ink and an ink jet recording process using these inks. In accordance with such a constitution, an ink for ink jet recording and an ink jet recording process can be provided which exhibit a high ejection stability, give an image having an excellent hue and preservability (weathering resistance, water resistance) and provide an image with a high quality.
    • 一种用于喷墨记录的油墨,其具有溶解和/或分散在水性介质中的酞菁染料,其特征在于上述酞菁染料是氧化电位比1.0更正的水溶性染料,上述油墨的导电率为 从0.01S / m到不大于10S / m。 一种用于生产上述喷墨记录用油墨的方法,该方法包括施加超声波振动的步骤和/或使用具有有效直径不大于1μm的孔的过滤器和使油墨和油墨消泡的步骤 使用这些油墨的喷墨记录过程。 根据这样的结构,可以提供喷墨记录用油墨和喷墨记录方法,其具有高的喷射稳定性,给出具有优异色调和保存性(耐候性,耐水性)的图像,并提供图像 高品质
    • 8. 发明授权
    • Ink for ink jet recording, process for the production of ink and ink jet recording process
    • 用于喷墨记录的油墨,用于生产油墨和喷墨记录工艺的方法
    • US07293867B2
    • 2007-11-13
    • US10502393
    • 2003-01-23
    • Manabu OgawaToshiki TaguchiTakashi Ozawa
    • Manabu OgawaToshiki TaguchiTakashi Ozawa
    • G01D11/00
    • C09D11/32C09D11/328
    • An ink for ink jet recording having a phthalocyanine dye dissolved and/or dispersed in an aqueous medium, characterized in that the aforementioned phthalocyanine dye is a water-soluble dye having an oxidation potential of more positive than 1.0 and the conductivity of the aforementioned ink is from not 0.01 S/m to not greater than 10 S/m. A process for the production of the aforementioned ink for ink jet recording which includes a step of applying ultrasonic vibration and/or a step of filtering using a filter having pores of an effective diameter of not greater than 1 μm and defoaming the ink and an ink jet recording process using these inks. In accordance with such a constitution, an ink for ink jet recording and an ink jet recording process can be provided which exhibit a high ejection stability, give an image having an excellent hue and preservability (weathering resistance, water resistance) and provide an image with a high quality.
    • 一种用于喷墨记录的油墨,其具有溶解和/或分散在水性介质中的酞菁染料,其特征在于上述酞菁染料是氧化电位比1.0更正的水溶性染料,上述油墨的导电率为 从0.01S / m到不大于10S / m。 一种用于生产上述喷墨记录用油墨的方法,其包括施加超声波振动的步骤和/或使用具有有效直径不大于1μm的孔的过滤器进行过滤和使油墨和油墨消泡的步骤 使用这些油墨的喷墨记录过程。 根据这样的结构,可以提供喷墨记录用油墨和喷墨记录方法,其具有高喷射稳定性,给出具有优异色调和保存性(耐候性,耐水性)的图像,并提供图像 高品质
    • 9. 发明授权
    • Ink for inkjet recording and method for inkjet recording
    • 用于喷墨记录的墨水和用于喷墨记录的方法
    • US07287848B2
    • 2007-10-30
    • US10503710
    • 2003-02-06
    • Toshiki TaguchiAkio MiyamotoTakashi OzawaManabu Ogawa
    • Toshiki TaguchiAkio MiyamotoTakashi OzawaManabu Ogawa
    • G01D11/00
    • C09D11/32C09D11/328C09D11/40
    • An inkjet recording ink including an aqueous medium having dissolved or dispersed therein a magenta dye selected from azo dyes, wherein the magenta dye is a dye having an oxidation potential more positive than 1.0 V (vs SCE) and at the same time, a water-miscible organic solvent having a vapor pressure of 2,000 Pa or less at 20° C. is contained; 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 ink jet head, excellent fastness to light and water, image quality free from defective such as fineline bleeding 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.
    • 一种喷墨记录油墨,包括溶解或分散有选自偶氮染料的品红色染料的水性介质,其中品红色染料是具有比1.0V(SCE)更正的氧化电位的染料,同时, 含有在20℃下蒸气压为2,000Pa以下的混溶性有机溶剂; 和使用该油墨的喷墨记录方法。 通过这样的结构,可以提供喷墨记录油墨和喷墨记录方法,其可以确保高喷射稳定性,所得图像的良好色调,喷墨头上的油墨不会干燥,对光的耐光性优异, 水分,高湿度条件下的毛细管出血等有缺陷的图像质量,在恶劣条件下图像的保存性良好,即使长时间或恶劣条件下老化,也能保证高储存性和高喷射稳定性。
    • 10. 发明申请
    • Ink-jet recording ink and method of ink-jet recording
    • 喷墨记录油墨和喷墨记录方法
    • US20060092248A1
    • 2006-05-04
    • US10503763
    • 2003-02-06
    • Toshiki TaguchiAkio MiyamotoTakashi OzawaManabu Ogawa
    • Toshiki TaguchiAkio MiyamotoTakashi OzawaManabu Ogawa
    • G01D11/00
    • C09D11/32C09D11/328
    • 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.
    • 一种喷墨记录油墨,其包含溶解和/或分散有酞菁染料的水性介质,其中所述酞菁染料是具有比1.0V(SCE)更正的氧化电位的水溶性染料,并且所述油墨包含水混溶 有机溶剂在20℃下蒸气压为2,000Pa以下。 和使用该油墨的喷墨记录方法。 通过这样的结构,可以提供喷墨记录油墨和喷墨记录方法,其可以确保高的喷射稳定性,所得图像的色调良好,喷墨头上的油墨不会干燥,对水和水的耐牢度优异 ,在高湿度条件下没有缺陷的图像质量,以及在恶劣条件下图像的良好的保存性,并且即使在长时间或在恶劣条件下老化之后,也可以确保高储存性和高喷射稳定性。