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    • 9. 发明授权
    • Ink composition for marking pen
    • 墨水笔墨组合
    • US5762694A
    • 1998-06-09
    • US708822
    • 1996-09-09
    • Masakazu YokoiHirofumi YamasakiYasuji Okuda
    • Masakazu YokoiHirofumi YamasakiYasuji Okuda
    • C09D11/16
    • C09D11/16
    • An ink composition according to the present invention includes (1) a leafing type fine metal powder having a median particle size of from about 4 .mu.m to about 11 .mu.m, the powder being present in an amount, relative to the total amount of the ink composition, within the range of from about 10% to about 38% by weight, the powder being selected from a copper alloy, aluminum, copper, or zinc whose surface is treated by a saturated fatty acid having 16 to 22 carbon atoms, or salts thereof. The ink composition further includes (2) a petroleum resin having iodine value of not more than 30 (g/100 g), whereby the resin is present in an amount, relative to the total amount of the ink composition, within the range of from about 10% to about 30% by weight; (3) at least two kinds of hydrocarbon solvents, whereby the solvents are present in an amount, relative to the total amount of the ink composition, within the range of from about 32% to about 80% by weight.
    • 根据本发明的油墨组合物包括(1)中值粒度为约4μm至约11μm的漂浮型细金属粉末,该粉末的存在量相对于 油墨组合物在约10重量%至约38重量%的范围内,该粉末选自表面用16-22个碳原子的饱和脂肪酸处理的铜合金,铝,铜或锌,或 的盐。 油墨组合物还包括(2)碘值不超过30(g / 100g)的石油树脂,其中相对于油墨组合物的总量,树脂的存在量在 约10%至约30%重量; (3)至少两种烃溶剂,其中相对于油墨组合物的总量,溶剂的存在量在约32%至约80%重量的范围内。