耐晒大红BBN颜料的工艺改进

Technological Improvement on Sunfast Red BBN

通过实验对偶合条件进行调整，使得耐晒大红BBN颜料的耐碱性和着色力得到提高，并且减少了原材料的消耗，新工艺制得的产品质量更好，更适合于油墨制造行业的生产需要。

The alkali tolerance and coloribility of Sunfast Red BBN have been improved through the adjustment of its coupling condition via experiments. The consumption of raw materials has also been lowered, and the quality of the product be improved and suited to the production requirement of printing ink manufacturers.