直接法制备R盐新工艺研究  

Studies on New Technology of Preparing R Salt by Derect Method

作　　者：朱广军[1] 任志新[1] 郑茜雪 

机构地区：[1]南京理工大学化工学院,210014

出　　处：《江苏化工》1993年第4期22-23,38,共3页Jiangsu Chemical Industry

摘　　要：R 盐(2-萘酚-3,6-二磺酸二钠盐)是一种重要的萘系染料中间体。本文以98％硫酸作为磺化剂,采用一段磺化法制备 R 盐,使工艺简化,提高了设备的利用率并缩短了生产周期,经济效益有明显提高。R salt is an important intermediate of dye. R salt was synthesized using 98% sulfuric acid as sulfonat- ing agent by one-step sulfonated method.The reaction time was shortened and economic benifit was obviously in- creased.

关 键 词：R盐 段磺化法 萘系 中间体 

分 类 号：TQ612.3[化学工程—精细化工]