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发明授权
CN1955235B 油性颜料油墨组合物 失效 - 权利终止 转让

油性颜料油墨组合物
摘要：
本发明提供了一种油性颜料油墨组合物，该油性颜料油墨组合物与现有技术相比，不存在使用有机溶剂油墨组合物所存在的安全性和异味的问题，可以在没有接受层的聚氯乙烯等低成本薄膜的印字媒体上印字，可以适用于室外环境。该发明是通过下述技术方案达成的：该油性颜料油墨组合物至少含有颜料、高分子化合物及有机溶剂，有机溶剂使用分别占全体油性颜料油墨组合物重量的30-90％和1-30％的(聚)亚烷基二醇衍生物和含氮杂环化合物。该油性颜料油墨组合物的整体闪点为63℃以上。
摘要（英）：

The present invention provides an oil-based pigmented ink composition excellent in safety and smell, compared with the existing technic, which are problems in an ink composition using an organic solvent, capable of printing on a low cost film printing medium such as vinyl chloride film without having a receiving layer and enduring an environment of its use in outdoors. The present invention is compassed by the following technic: an oil-based pigmented ink composition contains a pigment, a polymer and an organic solvent, wherein the organic solvent contains a (poly)alkylene glycol derivative in an amount of 30 to 90% by weight and a nitrogen-containing heterocyclic compound in an amount of 1 to 30% by weight, each based on the whole weight of the ink composition, and the ink composition has a flash point of at least 63 DEG C.

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