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    • 29. 发明申请
    • INK COMPOSITION AND A WRITING INSTRUMENT
    • 墨水组合物和书写仪器
    • US20160145454A1
    • 2016-05-26
    • US15011407
    • 2016-01-29
    • SHANGHAI NNW NEW MATERIALS TECHNOLOGY CO., LTD.
    • WEI QIANLING CHENGYONG SANG
    • C09D11/17B43K8/02
    • C09D11/17B43K8/02
    • The present invention relates to an ink composition and a writing instrument. The ink composition comprises 10 to 70 wt % of a metallic pigment, 10 to 30 wt % of a resin, 0 to 20 wt % of a colorant, 0 to 20 wt % of an auxiliary agent and a solvent as the remainder; the solvent is a main solvent or a mixture of the main solvent and an auxiliary solvent; the resin includes a film-forming resin and a thickening resin; the present invention uses a low-level monohydric alcohol solvent as the main solvent, a polyvinyl acetal resin as the film-forming resin, and further includes the auxiliary agent, the metallic pigment or the colorants, so the ink composition with such good characteristics as being environmental friendly, drying quickly, being written smoothly and having strong compatibility to general writing surfaces is produced.
    • 本发明涉及一种油墨组合物和一种书写工具。 油墨组合物包含10至70重量%的金属颜料,10至30重量%的树脂,0至20重量%的着色剂,0至20重量%的助剂和溶剂作为余量; 溶剂是主要溶剂或主要溶剂和辅助溶剂的混合物; 树脂包括成膜树脂和增稠树脂; 本发明使用低级一元醇溶剂作为主要溶剂,聚乙烯醇缩醛树脂作为成膜树脂,并且还包括助剂,金属颜料或着色剂,因此具有如下特征的油墨组合物 环保,干燥速度快,书写顺畅,与普通书写表面具有很强的兼容性。