二硫氰基甲烷提纯技术的研究

Research on the Purification Technologies for Methylene Bisthiocyanate

文章针对二硫氰基甲烷合成过程中得到的粗品,提出采用重结晶的办法对产品进行提纯。研究证明,经过重结晶后,产品纯度由90%提高到99%,达到优级使用标准。

In this paper methylene bisthiocyanate synthesis process of crude, the recrystalli-zation method for product purification. Studies show that, after heavy crystallization, product con-tent increased from 90% to 99% , to achieve superior using the standard.