摘要
本文以苯胺为原料,经乙酰化,氯磺化添加氯化亚砜,用环氧乙烷做缩合剂,酯化采用液相法,得高质量乳白色产品。氨基值98.02％,酯值96.7％,两值差1.24％,以苯胺计总收率69.4％,产品质量达到国内外最好水平。
4-(β-sulfatoethylsulfonyl)aniline was prepared by acetylation and chlorosulfonation( together with addition of thionyl chloride ) of anilines, then condensing with ethylene oxide, after hydrolysis and esterification in liquid phase, a white product of high quality was obtained. The esterification value and amine value were found to be 96.78% and 98.2% respectively. The overall yield based on anilines was 69.42% .
出处
《染料工业》
2001年第1期12-13,共2页
Dyestuff Industry
