磷酸胆碱有机改性层状硅酸盐阻燃剂的制备和表征  

Preparation and Characterization of Phosphocholine Organic Modified Lamellar Silicate Flame Retardant

作　　者：马利国 孙艳荣 李东来 张志鹏 李赛松 李冬至 王学宝 MA Liguo;SUN Yanrong;LI Donglai;ZHANG Zhipeng;LI Saisong;LI Dongzhi;WANG Xuebao(School of Materials Engineering,North China Institute of Aerospace Engineering,Langfang 065000,China;Langfang Open University,Langfang 065000,China;Langfang Additive Manufacturing Branch of Capital Aerospace Machinery Co.,Ltd,Langfang 065000,China;School of Fire Protection Engineering,China People's Police University,Langfang 065000,China)

机构地区：[1]北华航天工业学院材料工程学院,河北廊坊065000 [2]廊坊开放大学,河北廊坊065000 [3]首都航天机械有限公司廊坊增材制造分公司,河北廊坊065000 [4]中国人民警察大学防火工程学院,河北廊坊065000

出　　处：《福建师范大学学报（自然科学版）》2023年第2期93-97,共5页Journal of Fujian Normal University：Natural Science Edition

基　　金：河北省省级科技计划资助项目(216Z1005G);中国人民警察大学国家基金培育课题(ZKJJPY201704)。

摘　　要：以具有高热稳定性的磷酸基类脂化合物(磷酸胆碱)为插层剂,通过对钠基蒙脱土进行有机改性制备新型层状硅酸盐阻燃剂.利用红外光谱、热重分析和X-射线衍射等手段对所制阻燃剂进行表征,并将其用于环氧树脂的阻燃.结果表明:磷酸胆碱成功插入到钠基蒙脱土中,并且使蒙脱土的层间距从1.210 nm扩大到1.445 nm.将所制备的新型阻燃剂按质量分数1%、3%、5%、7%添加到环氧树脂中,所得样品的氧指数均高于纯环氧树脂,且阻燃剂添加质量分数为5%时,氧指数最大,相比不添加阻燃剂时提高了12.2%.In this paper,a novel lamellar silicate flame retardant was prepared by organic modification of sodium-montmorillonite using phosphocholine as intercalation agent with high thermal stability.The prepared flame retardant was characterized by infrared spectroscopy,thermogravimetric analysis and X-ray diffraction,and used for flame retardancy of epoxy resin.The results indicated that the phosphate choline was successfully intercalated into sodium montmorillonite,and the interlayer spacing of montmorillonite was expanded from 1.210 nm to 1.445 nm.The prepared new flame retardant was added into epoxy resin with mass fraction of 1%,3%,5%and 7%.The oxygen index of the obtained samples was higher than that of pure epoxy resin,and the oxygen index reached the maximum when the added amount was 5%,which increased by 12.2%compared with that without adding flame retardant.

关 键 词：钠基蒙脱土 磷酸胆碱 插层剂 环氧树脂 阻燃剂 

分 类 号：TQ174.4[化学工程—陶瓷工业]