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№ CN122978738AInvention

Unknown

一种高强度、高耐候性、易分散应用于喷墨色浆纳米级颜料黄155的制备方法

本发明公开了一种高强度、高耐候性、易分散应用于喷墨色浆纳米级颜料黄155的制备方法，属于有机颜料技术领域。本发明方法在偶合反应阶段中，偶合组分包括双乙酰乙酰对苯二胺和对磺酸钾基双乙苯胺，其中对磺酸钾基双乙苯胺的用量为双乙酰乙酰对苯二胺质量的2‑5%。具体包括：重氮化反应、偶合组分制备、偶合反应、压滤洗涤、颜料化、脱溶干燥六个步骤。本发明通过引入单功能偶合组分对磺酸钾基双乙苯胺，其链终止作用有效控制了颜料分子量和粒径，磺酸基团提供了优异的表面电荷和分散稳定性。本发明方法工艺简便，无需长时间机械研磨，避免了晶型破坏和能耗浪费，生产成本低，产品质量稳定，适合工业化大规模生产。

❖彩瑞新材料（江苏）股份有限公司高小良; 李国文; 丁红桂Oct 27, 2026§ 2/10 ClaimsC09B 33/153 (2006.01), C09B 69/10 (2006.01), C09B 67/06 (2006.01) +5

№ CN122978739AInvention

Unknown

一种用于喷墨色浆纳米级的环保型颜料黄150的制备方法

本发明公开了一种用于喷墨色浆的纳米级环保型颜料黄150的制备方法，包括：（1）将氨基胍盐重氮化后与巴比妥酸偶合得到偶氮巴比妥酸；（2）采用镍/钙分步络合工艺，第一阶段加入六水氯化镍、三聚氰胺和乳化剂在90‑95℃反应2‑3小时，第二阶段加入氯化钙继续反应0.5‑1小时；（3）络合产物加入高分子分散剂后进行湿法纳米研磨，得到颜料黄150分散浆，喷雾干燥，即得。本发明通过镍/钙分步络合与纳米研磨分散技术的组合，在实现纳米级粒径、低游离镍含量、高分散稳定性三重目标的同时，保持了颜料黄150优异的色彩性能，解决了传统工艺存在的环保隐患和喷墨适用性问题，为颜料型喷墨墨水的发展提供了一条技术可行、经济合理的新路径。

❖彩瑞新材料（江苏）股份有限公司高小良; 李国文; 丁红桂Oct 27, 2026§ 2/10 ClaimsC09B 45/22 (2006.01), C09D 11/322 (2014.01), D06P 1/02 (2006.01)