耐热剂N-苯基马来酰亚胺的合成与表征  

Synthesis and Characterization of N-Phenylmaleimide Heat Resistant Agent

作　　者：李训刚[1] 

机构地区：[1]山西省化工研究所(有限公司),山西太原030021

出　　处：《广州化工》2014年第18期133-134,139,共3页GuangZhou Chemical Industry

摘　　要：N-苯基马来酰亚胺用途广泛,在高分子材料领域中作为一种耐热改性剂使用。文章采用共沸法合成了耐热改性剂N-苯基马来酰亚胺,中间体N-苯基马来酰胺酸无需分离,直接在反应体系中经过脱水闭环,生成最终产物,收率率为92%。同时对合成的N-苯基马来酰亚胺分别进行了FT-IR、DSC和HPLC表征,纯度为99.3%,熔点约为89℃。N-phenylmaleimide was widely used as a modifier for heat -resistant polymer material.The heat -resistant agent N-phenylmaleimide was synthesized by co -boided method.Intermediate N-phenylmaleamic acid was not separated in the reaction system.The final product was produced by the reaction of dehydration ring -closure.The yield was 92%.N-phenylmaleimide was characterized by FT -IR, DSC and HPLC.The purity and melting point of n -phenylmaleimide was 99.3%and 89 ℃, respectively.

关 键 词：N-苯基马来酰亚胺 耐热剂 共沸法 

分 类 号：TQ246.3[化学工程—有机化工]