聚叠氮缩水甘油醚相对分子质量标准物质制备  

Preparation of relative molecular weight standard reference material of glycidyl azide polymer

作　　者：卢先明[1] 莫洪昌[1] 徐明辉[1,2] 刘宁 王晓川[1] LU Xianming;MO Hongchang;XU Minghui;LIU Ning;WANG Xiaochuan(Xi’an Modern Chemistry Research Institute,Xi’an 710065,China;State Key Laboratory of Fluorine & Nitrogen Chemicals,Xi’an 710065,China)

机构地区：[1]西安近代化学研究所,西安710065 [2]氟氮化工资源高效开发与利用国家重点实验室,西安710065

出　　处：《化学分析计量》2018年第A01期1-5,共5页Chemical Analysis And Meterage

基　　金：国防科工局技术基础科研项目(JSJL2015208A008)

摘　　要：为了高效制备聚叠氮缩水甘油醚(GAP)相对分子质量标准物质,对环氧氯丙烷(ECH)可控聚合和氯化聚醚(PECH)的叠氮化反应等进行研究。考察了聚合温度、单体滴加时间及投料比等因素对ECH聚合可控性的影响,PECH相对分子质量对其完全叠氮化时间的影响。结果表明,由可控聚合法直接制备的5个GAP相对分子质量标准物质粗品的数均相对分子质量(M_n)分别为1 272,1 693,2 272,2 768,3 204,与相应1 000±200,1 500±200,2 000±200,2 500±200,3 000±200的目标值均极为接近。该研究可为GAP相对分子质量标准物质制备提供一种快捷简便的方法。The controllable polymerization of epichlorhydrin(ECH)and azidation reaction of the polymer of ECH were studied to prepare molecular weight standard reference materialof glycidyl azide polymer(GAP)efficiently.The effects of polymerization temperature,addition time of monomer and ratio of materials on the controllable polymerization and the number average molecular weight(Mn)on the time of azidation reaction of the polymer of ECH were investigated.Results showed that Mn of five molecular weight grades of standard reference material of GAP which prepared by controllable polymerization were 1 272,1 693,2 272,2 768 and 3 204 respectively,which were closed to objective values corresponding.The objective values were 1 000±200,1 500±200,2 000±200,2 500±200 and 3 000±200.This study can provide a simple and convenient method to prepare relative molecular weight standard reference material of GAP.

关 键 词：环氧氯丙烷 可控聚合 聚叠氮缩水甘油醚(GAP) 标准物质 

分 类 号：O657.9[理学—分析化学]