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1. 发明专利

JP2004137315A Ink composition 审中-公开
公开(公告)号：JP2004137315A
公开(公告)日：2004-05-13
申请号：JP2002301369
申请日：2002-10-16
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： MIZUTANI TAKUO , FURUYA TAKAHIRO , TAKAO NAGAYUKI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an ink composition having excellent permeability on a print, good fixing properties of an ink just after printing and carrying out printing on a wide range of printing media with slight bleeding or disorder of a printed image and printing on plain paper without cockling.
SOLUTION: The ink composition comprises at least a colorant, a dispersing agent and a solvent. The ink composition is characterized as comprising a hydrocarbon solvent in an amount of 55-95 wt.% based on the whole solvent as a main solvent and an ester derivative of an alkylene glycol or a polyalkylene glycol as another solvent. Furthermore, the ester derivative of the alkylene glycol or the polyalkylene glycol is especially at least one selected from a monoalkyl ester compound, a monoalkyl ether monoalkyl ester compound or a dialkyl ester compound of the (poly)alkylene glycol in the ink composition of the constitution.
COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2008163342A Energy ray-curable ink composition 审中-公开
标题翻译：能量可固化油墨组合物
公开(公告)号：JP2008163342A
公开(公告)日：2008-07-17
申请号：JP2008007309
申请日：2008-01-16
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： KITO KATSUYUKI , TAKAO NAGAYUKI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/033 , C09D11/037 , C09D11/10 , C09D11/101 , C09D11/106 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
CPC分类号： C09D11/101
摘要： PROBLEM TO BE SOLVED: To provide an energy ray-curable ink composition which is low in viscosity without being diluted with a diluent, good in storage stability and pigment dispersibility in case where the coloring material is a pigment, excellent in continuous discharging stability to a recording medium, exhibiting good curability even with a low energy of integrated light quantity of 150 mJ/cm
2 or lower, obtainable good print quality even onto a non-absorptive recording medium, in particular, superior in adhesion to a recording medium base.
SOLUTION: The energy ray-curable ink composition comprising a coloring material, a monomer and a photopolymerization initiator, comprises an acrylamide derivative and a three or more functional multifunctional acrylate monomer as the monomer, and is characterized in that the amount of the acrylamide derivative is 10-90 wt.% relative to the total weight of the ink composition, the amount of the multifunctional acrylate monomer is 10-50 wt.% relative to the total weight of the ink composition, and the viscosity of the ink composition as a whole is 3-35 mPa s at 25°C.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供粘度低而不用稀释剂稀释的能量射线固化油墨组合物，在着色材料是颜料的情况下，储存稳定性和颜料分散性好，连续排出性优异对于记录介质的稳定性，即使在150mJ / cm 2以下的集成光量的低能量下也具有良好的固化性，即使在非吸收性记录介质上也可获得良好的打印质量，对记录介质基质的粘附性优异。解决方案：包含着色材料，单体和光聚合引发剂的能量射线固化油墨组合物包含丙烯酰胺衍生物和三官能以上的多官能丙烯酸酯单体作为单体，其特征在于，丙烯酰胺衍生物相对于油墨组合物的总重量为10-90重量％，多官能丙烯酸酯单体的量相对于油墨组合物的总重量为10-50重量％，油墨组合物的粘度整体在25℃下为3-35mPa·s。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2005048188A Ink for inkjet printer 审中-公开
标题翻译： INK喷墨打印机
公开(公告)号：JP2005048188A
公开(公告)日：2005-02-24
申请号：JP2004221679
申请日：2004-07-29
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： TAKAO NAGAYUKI , NISHIMURA MIYUKI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/328 , C09D11/36
摘要： PROBLEM TO BE SOLVED: To provide an ink having improved dispersion stability used for inkjet printers.
SOLUTION: The ink comprises a pigment and an organic solvent having the solubility parameter of 0.78 or less, wherein silicon-base graft polymer particles with the size of 0.01-0.3 μm are adsorbed on at least one part of the outer surface of the above pigment and dispersed in the organic solvent.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供用于喷墨打印机的具有改进的分散稳定性的油墨。解决方案：油墨包含颜料和溶解度参数为0.78以下的有机溶剂，其中尺寸为0.01-0.3μm的硅基接枝聚合物颗粒被吸附在外表面的至少一部分上上述颜料分散在有机溶剂中。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2005042122A Pigment ink composition 审中-公开
标题翻译：颜料墨水组合物
公开(公告)号：JP2005042122A
公开(公告)日：2005-02-17
申请号：JP2004303183
申请日：2004-10-18
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： FURUYA TAKAHIRO , TAKAO NAGAYUKI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322
摘要： PROBLEM TO BE SOLVED: To provide a pigment ink composition whose pigment has a small dispersion particle size and which is excellent in water resistance, can be used for printing on plain paper without cock ring and is so excellent in abrasion resistance that it doe not cause abrasion problems of printed items when it is printed on a cation-treated recording medium.
SOLUTION: This pigment ink composition comprises a pigment, a resin having an acidic group and an organic solvent whose boiling point is not less than 150°C. The organic solvent occupies 50-95 wt.% of the whole ink composition. The resin having an acidic group is a water-insoluble resin containing a hydrophobic group. This pigment ink composition has such an excellent abrasion resistance that a coating film obtained by painting a cation-treated recording medium with this ink using a #04 bar coater (made by Toyo Seiki) and drying it does not show abrasion when it is rubbed with a cloth on which a weight of 50 g is placed.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供颜料具有小的分散粒径并且耐水性优异的颜料墨水组合物，可以用于在没有旋转环的普通纸上进行印刷，并且耐磨性如此优异当打印在阳离子处理的记录介质上时，不会引起印刷品的磨损问题。解决方案：该颜料墨水组合物包含颜料，具有酸性基团的树脂和沸点不低于150℃的有机溶剂。有机溶剂占整个油墨组合物的50-95重量％。具有酸性基团的树脂是含有疏水基团的水不溶性树脂。该颜料油墨组合物具有这样的优异的耐磨性，即使用＃04型棒涂机（东洋精机制造）对该油墨涂布阳离子处理的记录介质并进行干燥而得到的涂膜在与...摩擦时不会发生磨损放置重量为50g的布。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004075983A Pigment ink composition 有权
公开(公告)号：JP2004075983A
公开(公告)日：2004-03-11
申请号：JP2003160221
申请日：2003-06-05
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： FURUYA TAKAHIRO , TAKAO NAGAYUKI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/02 , C09D11/033 , C09D11/037 , C09D11/322 , C09D11/328
摘要： PROBLEM TO BE SOLVED: To provide a pigment ink composition having a small dispersion particle diameter of the pigment, having excellent water resistance, capable of being printed on plain paper without causing cockling, not causing a problem of rubbing of a printed matter, when a recording medium subjected to cation treatment is printed with the composition to form the printed matter, and therefore having excellent rubbing-off resistance.
SOLUTION: This pigment ink composition contains a pigment, an acid group-containing resin, and an organic solvent having a boiling point of ≥ 150°C, wherein the organic solvent is contained in an amount of 50-95 wt% based on the total amount of the ink composition. The composition exhibits the excellent rubbing-off resistance so as not to cause rubbing-off of a coating, when a rubbing-off test of the coating is conducted in such a manner that the recording medium subjected to the cation treatment is coated with the composition by using a #04 bar-coater (made by Toyo Seiki Co., Ltd.) and dried to form the coating thereon, and then the coating is rubbed by a cloth on which a weight of 50 g is laid.
COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2007224314A Ink composition 审中-公开
标题翻译：墨水组合物
公开(公告)号：JP2007224314A
公开(公告)日：2007-09-06
申请号：JP2007116458
申请日：2007-04-26
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： MIZUTANI TAKUO , FURUYA TAKAHIRO , TAKAO NAGAYUKI
IPC分类号： C09D11/00 , C09D11/322 , C09D11/36
摘要： PROBLEM TO BE SOLVED: To provide an ink composition excellent in fixation property, waterproof property and preservation stability, and in addition, printable on ordinary paper without having cockling, especially a pigment ink composition for inkjet recording.
SOLUTION: The ink composition containing at least a coloring material, a dispersing agent, and a solvent contains (poly)alkylene glycol or its derivative as a main solvent, and a hydrocarbon-based solvent as another solvent. The (poly)alkylene glycol derivative is a monoalkylether compound, a monoalkylester compound, or a dialkylether compound.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的定影性，防水性和保存稳定性的油墨组合物，并且另外可以在普通纸上打印而不具有起皱，特别是用于喷墨记录的颜料油墨组合物。包含至少着色材料，分散剂和溶剂的油墨组合物含有（聚）亚烷基二醇或其衍生物作为主要溶剂，以及作为其它溶剂的烃类溶剂。（聚）亚烷基二醇衍生物是单烷基醚化合物，单烷基酯化合物或二烷基醚化合物。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006259511A Dry toner and method for manufacturing the same 审中-公开
标题翻译：干燥剂及其制造方法
公开(公告)号：JP2006259511A
公开(公告)日：2006-09-28
申请号：JP2005079385
申请日：2005-03-18
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： ASAMI AKIKO , TAKAO NAGAYUKI
IPC分类号： G03G9/09 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a dry toner which contains a colorant uniformly and finely dispersed and which has a small particle size, excellent powder fluidity and rugged surfaces. SOLUTION: The dry toner contains a microcapsule pigment prepared by encapsulating pigment particles with a polymer compound. The toner has an average particle size of 1 to 10 μm and a specific surface area of 5 m 2 /g or more. The polymer compound in the microcapsule pigment is an acrylic silicon grafted polymer. The weight ratio of the pigment to the polymer compound ranges 75:25 to 3:97. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供含有着色剂均匀且细分散并且具有小粒径，优异的粉末流动性和粗糙表面的干燥调色剂。解决方案：干燥调色剂含有通过用高分子化合物包封颜料颗粒制备的微胶囊颜料。调色剂的平均粒径为1〜10μm，比表面积为5m 2 / SP / g以上。微胶囊颜料中的高分子化合物是丙烯酸硅接枝聚合物。颜料与高分子化合物的重量比为75:25至3:97。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2006131884A Energy ray-curable ink composition 有权
标题翻译：能量可固化油墨组合物
公开(公告)号：JP2006131884A
公开(公告)日：2006-05-25
申请号：JP2005261135
申请日：2005-09-08
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： KITO KATSUYUKI , TAKAO NAGAYUKI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an energy ray-curable ink composition which has a low viscosity without dilution with a diluent solvent, exhibits good preservation stability and a good pigment-dispersing property when a coloring material is a pigment, is excellent in continuous jetting stability onto a recording medium, exhibits good curability with less energy consumption of an integrated light quantity of at most 150 mJ/cm 2 , gives good printing qualities on a non-absorbing recording medium and is particularly excellent in adhesion to a recording medium base material. SOLUTION: The energy ray-curable ink composition comprises the coloring material, a monomer and a photopolymerization initiator, and contains an acrylamide derivative as the monomer, where the content of the acrylamide derivative is 10-90 wt% in the whole ink composition, and the viscosity of the whole ink composition is 3-35 mPa s at 25°C. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有低粘度而不用稀释剂溶剂稀释的能量射线固化油墨组合物，当着色材料是颜料时，表现出良好的保存稳定性和良好的颜料分散性，是优异的在记录介质上的连续喷射稳定性表现出良好的固化性，同时具有最多150mJ / cm 2 SP＆gt; 2的集成光量的能量消耗较少，在非吸收性记录介质上具有良好的印刷质量，并且特别优异的与记录介质基材的粘附性。解决方案：能量射线固化油墨组合物包含着色材料，单体和光聚合引发剂，并且包含丙烯酰胺衍生物作为单体，其中丙烯酰胺衍生物的含量在整个油墨中为10-90重量％组合物，并且整个油墨组合物的粘度在25℃下为3-35mPa·s。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2006131547A Metal oxide microparticle dispersion and cosmetic 审中-公开
标题翻译：金属氧化物微量分散和化妆品
公开(公告)号：JP2006131547A
公开(公告)日：2006-05-25
申请号：JP2004322370
申请日：2004-11-05
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： ASAMI AKIKO , TAKAO NAGAYUKI
IPC分类号： A61K8/19 , A61K8/00 , A61K8/55 , A61K8/58 , A61Q17/04
摘要： PROBLEM TO BE SOLVED: To provide a metal oxide microparticle dispersion good in the dispersedness of metal oxide microparticles, excellent in ultraviolet screening effect and transparency, excellent in dispersion stability and texture upon being applied to the skin, and useful especially for cosmetics.
SOLUTION: The metal oxide microparticle dispersion comprises microparticles of at least one metal oxide selected from among titanium oxide, zinc oxide, and cerium oxide each having a primary particle diameter of 0.005 to 0.2 μm; a dispersant being an acryl-silicone graft polymer comprising 70 to 90 wt.% acrylic moieties and 30 to 10 wt.% silicone graft moieties, wherein at least 60 wt.% of the acrylic moieties comprise 1 to 10C short-chain alkyl (meth)acrylate units; and a water-insoluble solvent.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供金属氧化物微粒分散性良好的金属氧化物微粒分散体，紫外线屏蔽效果和透明性优异，涂布于皮肤上时的分散稳定性和质地优异，特别适用于化妆品。解决方案：金属氧化物微粒分散体包含一次粒径为0.005〜0.2μm的选自氧化钛，氧化锌，氧化铈中的至少一种金属氧化物的微粒; 分散剂是丙烯酸 - 硅氧烷接枝聚合物，其包含70-90重量％的丙烯酸部分和30-10重量％的硅氧烷接枝部分，其中至少60重量％的丙烯酸部分包含1至10个短链烷基（甲基）丙烯酸酯单元; 和水不溶性溶剂。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2004043342A Cosmetic obtained by using microcapsulated pigment 审中-公开
公开(公告)号：JP2004043342A
公开(公告)日：2004-02-12
申请号：JP2002201645
申请日：2002-07-10
申请人： Hitachi Maxell Ltd , 日立マクセル株式会社
发明人： TAKAO NAGAYUKI , NISHIMURA MIYUKI
IPC分类号： A61K8/18 , A61K8/00 , A61K8/89 , A61K8/91 , A61Q1/00 , A61Q1/02 , A61Q1/04 , A61Q1/06 , A61Q1/12 , A61K7/02 , A61K7/021 , A61K7/027
摘要： PROBLEM TO BE SOLVED: To provide a cosmetic which has brought out essential functions of pigment by finely dispersing the pigment particle stably.
SOLUTION: This cosmetic comprises the pigment and an organic solvent, where the pigment is provided with enhanced steric repulsion toward each other and a charge generated on the surface thereof and is prevented from sedimentation by coating at least a part of the outer surface of the pigment covered with an acrylic silicone graft polymer, with a polymer compound self-dispersible in an aprotic organic solvent having an electric resistance of at least 10
9 Ω cm, and therefore the pigment can stably maintain dispersion stability and electrostatic charging properties. Thus, the cosmetic not suffering from sedimentation after a long-term service and exhibiting excellent color development can be provided.
COPYRIGHT: (C)2004,JPO

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