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    • 11. 发明授权
    • Pseudo-plastic water base ink for ball point pen
    • 用于圆珠笔的假塑料水基油墨
    • US06423127B1
    • 2002-07-23
    • US09463836
    • 2000-01-28
    • Masaru MiyamotoShigeru MiyazakiYoji Takeuchi
    • Masaru MiyamotoShigeru MiyazakiYoji Takeuchi
    • C09D1100
    • C09D11/18
    • A pseudo-plastic water based ink for a ball point pen which causes less scattering in a viscosity depending on a production lot and has good stability with the passage of time whatever coloring materials are used and which provides a good writing feeling and is excellent in cap-off resistance. The ink described above comprises at least a colorant, water and a polyglycerin isostearic acid ester represented by the following Formula (1): wherein n represents an integer of 1 to 8; R1 to R4 each independently and R5's, which may be the same or different, represent an isostearoyl group or a hydrogen atom; and the number of the isostearoyl group is 1 to 4.
    • 一种用于圆珠笔的假塑性水性油墨,其根据生产批次产生较少的粘度散射,并且随着时间的推移具有良好的稳定性,无论使用什么着色材料,并且具有良好的书写感和优异的盖 抵抗力 上述油墨至少包含着色剂,水和由下式(1)表示的聚甘油异硬脂酸酯:其中n表示1〜8的整数, R 1〜R 4各自独立地表示异硬脂酰基或氢原子的相同或不同的R 5, 异硬脂酰基的数目为1〜4。
    • 17. 发明授权
    • Water based ink for ball point pen
    • 圆珠笔水性墨水
    • US06261351B1
    • 2001-07-17
    • US09530506
    • 2000-04-27
    • Masaru MiyamotoShigeru MiyazakiYoji Takeuchi
    • Masaru MiyamotoShigeru MiyazakiYoji Takeuchi
    • C09D1116
    • C09D11/18
    • An action of the preventing drying at a pen tip without using water-soluble organic solvents such as glycols, glycerin and glycol ethers which have so far been used for a water based ink for a ball point pen is allotted to at least one selected from the group consisting of a reducing sugar comprising maltitol as a principal component, a reducing sugar comprising sorbitol as a principal component, reducing dextrin, reducing maltodextrin, &agr;-cyclodextrin, &bgr;-cyclodextrin and maltosylcyclodextrin, and the actions of inhibiting feathering of the drawn lines, improving discharge stability of the ink and maintaining the lubricity are allotted to at least one selected from the group consisting of an alkylene oxide adduct of polyglycerin, an alkylene oxide adduct of glycerin and an alkylene oxide adduct of trimethylolpropane. Further, a viscosity-controlling agent is added thereto to thereby prepare a water based ink for a ball point pen which has feathering resistance, good writing feeling and high discharge stability and which is excellent in drying prevention effect at a pen tip.
    • 使用迄今为止用于圆珠笔的水性墨水的水溶性有机溶剂如乙二醇,甘油和二醇醚的笔尖防止干燥的作用被分配到选自以下的至少一种: 由麦芽糖醇作为主要成分的还原糖组成的还原糖,以山梨糖醇为主要成分的还原糖,还原糊精,还原麦芽糖糊精,α-环糊精,β-环糊精,麦芽糖基环糊精等,还有抑制拉伸线羽化的作用, 提高油墨的排出稳定性并保持润滑性被分配到选自聚甘油的烯化氧加合物,甘油的烯化氧加合物和三羟甲基丙烷的烯化氧加成物中的至少一种。 此外,向其中加入粘度调节剂,由此制备了具有耐羽毛,具有良好的书写感和高放电稳定性的圆珠笔用水性油墨,其笔尖的防干燥效果优异。