发明名称 Emulsion ink for stencil printing
摘要 <p>Emulsion ink for stencil printing is provided, which is high in transparency and does not hide previously printed pattern when it is overlaied or printed on the pattern so as to facilitate multicolor printing with conventional stencil printing machines. The emulsion ink comprises an oil phase and a water phase and contains in said oil phase a coloring pigment together with an extending pigment that is insoluble in said oil phase, in which said ink has an optical density value of 1.0 or more as measured by a reflection densitometer when said ink is applied and dried in a thickness of 50 mu m onto a transparent sheet placed on a black standard board, and in which said ink has an optical density value of 0.7 or less as measured by said reflection densitometer when said transparent sheet is placed on a white standard board. Preferably, the coloring pigment constitutes 0.02 to 1 %, and said extending pigment constitutes 1 to 5 % by weight, of the total weight of the ink.</p>
申请公布号 EP0816451(A1) 申请公布日期 1998.01.07
申请号 EP19970401393 申请日期 1997.06.18
申请人 RISO KAGAKU CORPORATION 发明人 MATSUURA, TOMOKO;OKAWA, TERUAKI
分类号 C09D11/00;C09D11/02;C09D11/0235;C09D11/033;C09D11/037;(IPC1-7):C09D11/02 主分类号 C09D11/00
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