防腐剂DMDMH合成中游离甲醛含量的控制  

Control of free formaldehyde content in preservative DMDMH synthesis

作　　者：张壮[1] 王兰[1] 

机构地区：[1]陕西省石油化工研究设计院,西安710054

出　　处：《工业微生物》2017年第5期50-52,共3页Industrial Microbiology

摘　　要：在DMDMH的合成中加入尿囊素,采用一次性合成方法,可减低产品中游离甲醛额含量,控制游离甲醛含量≤0.1%,产品收率达到90%以上,稳定性达到生产要求。In order to reduce the content of free formaldehyde,the synthesis method of DMDMH by adding allantoin was conducted. It could control the content of free formaldehyde not more than 0. 1%. The yield of product was above 90%and its stability met the demands of the production standards.

关 键 词：尿囊素 防腐剂 DMDMH 合成 游离甲醛 

分 类 号：TQ421.12[化学工程]