有机/无机杂化多元素协同阻燃剂的合成及其阻燃改性环氧树脂的研究  

Synthesis of Organic/Inorganic Hybrid Multi-element Containing Synergistic Flame Retardant and Investigation of Flame-retarded Modification on Epoxy Resin

作　　者：柳超 陈国荣[1] 李忠裕 王世成 袁丛辉[1] 曾碧榕[1] 许一婷[1] 戴李宗[1] LIU Chao;CHEN Guorong;LI Zhongyu;WANG Shicheng;YUAN Conghui;ZENG Birong;XU Yiting;DAI Lizong(College of Materials,Xiamen University,Xiamen 361005,China)

机构地区：[1]厦门大学材料学院,福建厦门361005

出　　处：《厦门大学学报（自然科学版）》2018年第2期177-185,共9页Journal of Xiamen University：Natural Science

基　　金：国家自然科学基金(51573150;U1205113);福建省科技创新平台项目(2014H2006);福建省科技攻关重点项目(2013HZ0005-1)

摘　　要：为了提高环氧树脂(EP)的阻燃性能,通过四羟甲基硫酸膦(THPS)与对苯二胺在SiO_2纳米粒子表面反应合成了有机/无机杂化多元素协同阻燃剂SiO_2@聚四(4-氨基苯胺甲基)硫酸膦(SiO_2@TAMPS),并对其结构进行了表征.将SiO_2@TAMPS引入到EP中形成阻燃复合材料,其玻璃化转变温度(Tg)、最大分解温度(Tmax)和残炭率均有明显提升;极限氧指数(LOI)可达30.3%,垂直燃烧等级为V-0级.结果表明,阻燃剂SiO_2@TAMPS增加了残炭的石墨化程度,使炭层在高温下更稳定,并且起到了物理交联点的作用,增强了SiO_2与EP的界面作用,提高了EP的强度和韧性.In order to improve the flame retardancy of epoxy resin(EP),an organic/inorganic hybrid multi-element containing synergistic flame retardant silicon dioxide@poly(4-amino aniline methyl)phosphine sulfate(SiO 2@TAMPS)was synthesized through tetrakis(hydroxymethyl)phosphonium sulfate(THPS)and p-phenylenediamine,and its structure was confirmed.SiO 2@TAMPS/EP composites were prepared and it was found that the glass transition temperature,the maximum decomposition temperature,and the char yield of SiO 2@TAMPS/EP composites increased.The limit oxygen index(LOI)value of composites could reach 30.3%and its vertical combustion rating was V-0.Experiment results further indicated that SiO 2@TAMPS improved the graphitization degree of char residues,which has an improved stability at high temperature.Moreover,SiO 2@TAMPS can act as crosslinking point to enhance the interface interaction between SiO 2 and EP,thus improving the strength and toughness of EP.

关 键 词：SiO2@TAMPS 无卤协同阻燃剂 环氧树脂 

分 类 号：TQ323.5[化学工程—合成树脂塑料工业]