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    • 6. 发明授权
    • Modified carbon black dispersion liquid and water base ink containing the same
    • 改性炭黑分散液和含有其的水基油墨
    • US07220304B2
    • 2007-05-22
    • US10517951
    • 2004-04-23
    • Masayuki MomoseMiharu KanayaSohko ItohTatsuya Yagyu
    • Masayuki MomoseMiharu KanayaSohko ItohTatsuya Yagyu
    • C09D11/00
    • C09D11/324C01P2004/62C01P2006/12C01P2006/19C09C1/565C09D11/17
    • The present invention provides a water-based ink that is used in ink jet printer printing, with a writing instrument, or the like, that has a low settling rate and for which clogging is not prone to occurring, that can be stored stably for a long period without the viscosity or the carbon black particle diameter increasing, and for which printing with a deep black color and a high print density is possible, and a modified carbon black dispersion used for preparing this water-based ink. The present invention is a liquid having dispersed therein a modified carbon black obtained by subjecting a carbon black raw material powder to oxidation treatment, wherein the modified carbon black has on the surface thereof (a) carboxyl groups, and (b) lactone groups in a molar amount of at least 500 μmol/g relative to the weight of the modified carbon black and a molar ratio of 0.8 to 1.1 times the amount of the carboxyl groups.
    • 本发明提供一种水性油墨,其用于喷墨打印机印刷中,具有书写工具等,其具有低沉降速率并且不容易发生堵塞,可以稳定地储存 长时间没有粘度或炭黑粒径增加,并且可以进行深黑色和高印刷密度的印刷,以及用于制备该水性油墨的改性炭黑分散体。 本发明是分散有炭黑原料粉末进行氧化处理而得到的改性炭黑的液体,其中,改性炭黑在其表面上具有(a)羧基,(b)在 摩尔量相对于改性炭黑的重量为至少500mol / g,摩尔比为羧基量的0.8〜1.1倍。
    • 8. 发明授权
    • Modified carbon black carbon black dispersion liquid and water base ink
    • 改性炭黑炭黑分散液和水基油墨
    • US07232480B2
    • 2007-06-19
    • US10504218
    • 2003-12-26
    • Masayuki MomoseMiharu KanayaSohko ItohTatsuya Yagyu
    • Masayuki MomoseMiharu KanayaSohko ItohTatsuya Yagyu
    • C09D11/00
    • B82Y30/00C01P2004/64C01P2006/12C01P2006/19C09C1/565C09D11/17C09D11/18C09D11/324Y10T428/24802
    • There are provided a carbon black according to which long-term stable storage is possible, clogging is not prone to occurring, and the OD value is high and hence printing with a deep black color is possible, or a carbon black that can be used in a water-based ink that is used in ink jet printer printing, that has low settleability and can thus be stored stably for a long period, for which clogging is not prone to occurring, and for which the reflection density is high and hence printing with a high printing density and a deep black color is possible, a carbon black dispersion having the carbon black dispersed therein, and a water-based ink containing the carbon black. An embodiment of a modified carbon black of the present invention is a modified carbon black obtained by carrying out oxidation treatment on a carbon black having a primary particle diameter of 11 to 18 nm, a BET specific surface area of at least 180 m2/g, a DBP oil absorption of at least 180 mL/100 g, and a value of the BET specific surface area (m2/g) divided by the DBP oil absorption (mL/100 g) of 0.75 to 1.3, and is characterized in that at least lactone groups and carboxyl groups are introduced onto the surface thereof, and the ratio of the mean particle diameter to the primary particle diameter is at least 8.5. Moreover, a carbon black dispersion and a water-based ink of the present invention contain this modified carbon black.
    • 提供了炭黑,根据该炭黑长期稳定的储存是可能的,堵塞不容易发生,并且OD值高,因此可以深黑色印刷,或可以用于黑色的炭黑 用于喷墨打印机印刷中的水性油墨,其具有低沉降性并且因此可以长期稳定地储存,其中不易发生堵塞,并且反射密度高,因此用 可以具有高的印刷密度和深黑色,分散有炭黑的炭黑分散体和含有炭黑的水性油墨。 本发明的改性炭黑的一个实施方案是通过对一次粒径为11〜18nm,BET比表面积为180μm以上的炭黑进行氧化处理得到的改性炭黑, 2μg/ g,DBP吸油量至少为180mL / 100g,BET比表面积值(m 2 SUP / g / g)除以DBP吸油量( mL / 100g)为0.75〜1.3,其特征在于,至少将内酯基和羧基引入其表面,平均粒径与一次粒径的比例为8.5以上。 此外,本发明的炭黑分散体和水性油墨含有该改性炭黑。
    • 9. 发明申请
    • Modified carbon black carbon black dispersion liquid and water base ink
    • 改性炭黑炭黑分散液和水基油墨
    • US20050120914A1
    • 2005-06-09
    • US10504218
    • 2003-12-26
    • Masayuki MomoseMiharu KanayaSohko ItohTatsuya Yagyu
    • Masayuki MomoseMiharu KanayaSohko ItohTatsuya Yagyu
    • B41J2/01B41M5/00B82Y20/00B82Y30/00C09C1/56C09C3/08C09D11/00C09D11/18C09D11/324C09D11/326C09D11/38C09D17/00
    • B82Y30/00C01P2004/64C01P2006/12C01P2006/19C09C1/565C09D11/17C09D11/18C09D11/324Y10T428/24802
    • There are provided a carbon black according to which long-term stable storage is possible, clogging is not prone to occurring, and the OD value is high and hence printing with a deep black color is possible, or a carbon black that can be used in a water-based ink that is used in ink jet printer printing, that has low settleability and can thus be stored stably for a long period, for which clogging is not prone to occurring, and for which the reflection density is high and hence printing with a high printing density and a deep black color is possible, a carbon black dispersion having the carbon black dispersed therein, and a water-based ink containing the carbon black. An embodiment of a modified carbon black of the present invention is a modified carbon black obtained by carrying out oxidation treatment on a carbon black having a primary particle diameter of 11 to 18 nm, a BET specific surface area of at least 180 m2/g, a DBP oil absorption of at least 180 mL/100 g, and a value of the BET specific surface area (m2/g) divided by the DBP oil absorption (mL/100 g) of 0.75 to 1.3, and is characterized in that at least lactone groups and carboxyl groups are introduced onto the surface thereof, and the ratio of the mean particle diameter to the primary particle diameter is at least 8.5. Moreover, a carbon black dispersion and a water-based ink of the present invention contain this modified carbon black.
    • 提供了炭黑,根据该炭黑长期稳定的储存是可能的,堵塞不容易发生,并且OD值高,因此可以深黑色印刷,或可以用于黑色的炭黑 用于喷墨打印机印刷中的水性油墨,其具有低沉降性并且因此可以长期稳定地储存,其中不易发生堵塞,并且反射密度高,因此用 可以具有高的印刷密度和深黑色,分散有炭黑的炭黑分散体和含有炭黑的水性油墨。 本发明的改性炭黑的一个实施方案是通过对一次粒径为11〜18nm,BET比表面积为180μm以上的炭黑进行氧化处理得到的改性炭黑, 2μg/ g,DBP吸油量至少为180mL / 100g,BET比表面积值(m 2 SUP / g / g)除以DBP吸油量( mL / 100g)为0.75〜1.3,其特征在于,至少将内酯基和羧基引入其表面,平均粒径与一次粒径的比例为8.5以上。 此外,本发明的炭黑分散体和水性油墨含有该改性炭黑。
    • 10. 发明授权
    • Salt-forming type dye, and its concentrated solution composition and ink
composition
    • 成盐型染料及其浓缩溶液组成和油墨组成
    • US5290347A
    • 1994-03-01
    • US866217
    • 1992-04-09
    • Takashi OnoTatsuya YagyuKatsumi Fukuda
    • Takashi OnoTatsuya YagyuKatsumi Fukuda
    • C09B67/44C09B69/00C09B69/04C09D11/00C09D11/02C09D11/033C09D11/328C09D11/36
    • C09D11/17C09B69/007C09B69/04C09B69/045C09D11/037C09D11/328
    • The present invention provides a novel salt-forming type dye represented by the formula: ##STR1## wherein D is a residue of a monoazo or disazo dye, m is an integer of 1 to 3, n is an integer of 1 to 4, and M.sup.+ is a cation selected from the group consisting of cations represented by the formulas: ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different and represent hydrogen, an alkyl group, an alkoxyalkyl group, a cyclohexyl group, an aralkyl group or a hydroxyalkyl group, and at least one of R.sup.1 to R.sup.4 is a branched or non-branched alkyl, alkoxyalkyl, cycloalkyl, aralkyl or polyoxyalkylene group having not less than 4 carbon atoms, ##STR3## wherein R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are the same or different and represent hydrogen, an alkyl group, or a substituted or non-substituted phenyl group, and at least one of R.sup.5 to R.sup.8 is a substituted or non-substituted phenyl group, and ##STR4## wherein R.sup.9 and R.sup.10 are the same or different and represent hydrogen or an alkyl group, a is an integer of not less than 3, and both R.sup.9 and R.sup.10 are not hydrogen, and a process for producing the same. A concentrated solution composition and an ink composition are also disclosed.
    • 本发明提供一种新型的由下式表示的成盐型染料:(*化学结构*)(I)其中D为单偶氮或双偶氮染料的残基,m为1〜3的整数,n为整数 为1〜4,M +为选自由式(*化学结构*)(II)表示的阳离子的阳离子,其中R1,R2,R3和R4相同或不同,表示氢,烷基 基团,烷氧基烷基,环己基,芳烷基或羟烷基,并且R 1至R 4中的至少一个是具有不少于4个碳原子的支链或非支链烷基,烷氧基烷基,环烷基,芳烷基或聚氧化烯基 ,(*化学结构*)(III)其中R5,R6,R7和R8相同或不同,表示氢,烷基或取代或未取代的苯基,R5至R8中的至少一个为 取代或未取代的苯基,和(*化学结构*)(Ⅳ),其中R 9和R 10是sam e或不同,代表氢或烷基,a为不小于3的整数,R9和R10均不为氢,及其制备方法。 还公开了浓缩溶液组合物和油墨组合物。