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材料工程  2019, Vol. 47 Issue (1): 91-96    DOI: 10.11868/j.issn.1001-4381.2017.001451
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
六咪唑环三磷腈的合成及其作为环氧树脂固化促进剂的性能
张博文, 唐禹尧, 崔玉青, 魏玮, 李小杰, 罗静, 刘晓亚
江南大学 化学与材料工程学院, 江苏 无锡 214122
Synthesis of hexa (imidazolyl) cyclotriphosphazene and its performance as curing catalyst of epoxy resin
ZHANG Bo-wen, TANG Yu-yao, CUI Yu-qing, WEI Wei, LI Xiao-jie, LUO Jing, LIU Xiao-ya
School of Chemical and Materials Engineering, Jiangnan University, Wuxi 214122, Jiangsu, China
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摘要 利用六氯环三磷腈与咪唑发生亲核取代反应,合成六咪唑环三磷腈(HImCP);通过红外光谱、核磁共振1H谱和31P谱对其结构进行表征;进一步将其作为固化促进剂,加入双酚A型环氧树脂(E51)/甲基六氢苯酐(MHHPA)固化体系,通过凝胶时间和非等温DSC固化动力学分析研究体系的室温存储稳定性和高温固化反应活性,并考察固化物的力学性能和热性能。结果表明:相较于咪唑,HImCP是一种良好的潜伏性固化促进剂,当其添加量为1%(质量分数)时,E51/MHHPA体系具有较好的室温存储稳定性和高温固化活性;同时,得到的环氧树脂固化物表现出更高的拉伸强度、玻璃化转变温度和热稳定性。
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张博文
唐禹尧
崔玉青
魏玮
李小杰
罗静
刘晓亚
关键词 环氧树脂咪唑六氯环三磷腈潜伏性固化促进剂    
Abstract:Hexa (imidazolyl) cyclotriphosphazene (HImCP) was synthesized by nucleophilic substitution reaction of hexachlorocyclotriphosphazene with imidazole. The chemical structure was characterized by FT-IR,1H-NMR, and 31P-NMR. Then the as-prepared HImCP was utilized as curing catalyst for curing of diglycidylether of bisphenol A(E51)with methylhexahydrophthalic anhydride(MHHPA). Its influence on the storage stability at room temperature and curing activity at high temperature of E51/MHHPA system was studied by gelatum time and non-isothermal DSC analysis. The mechanical performance,glass-transition temperature(Tg),and thermostability of the obtained epoxy thermosets were also investigated. The results show that HImCP is a good latent curing catalyst contrast with unmodified imidazole. When the epoxy resin curing system contains 1% (mass fraction) of HImCP,it exhibits improved storage stability at room temperature as compared to that containing imidazole,as well as satisfied curing activity at high temperature. In addition,the obtained thermoset has higher tensile strength,Tg and thermostability than that resulted from imidazole.
Key wordsepoxy resin    imidazole    hexachlorocyclotriphosphazene    latent curing catalyst
收稿日期: 2017-11-25      出版日期: 2019-01-16
中图分类号:  TQ323.5  
通讯作者: 魏玮(1985-),男,副教授,博士,研究方向:热固性环氧树脂、大分子功能胶体,联系地址:江苏省无锡市滨湖区蠡湖大道1800号江南大学化学与材料工程学院(214122),E-mail:wwei1985@jiangnan.edu.cn     E-mail: wwei1985@jiangnan.edu.cn
引用本文:   
张博文, 唐禹尧, 崔玉青, 魏玮, 李小杰, 罗静, 刘晓亚. 六咪唑环三磷腈的合成及其作为环氧树脂固化促进剂的性能[J]. 材料工程, 2019, 47(1): 91-96.
ZHANG Bo-wen, TANG Yu-yao, CUI Yu-qing, WEI Wei, LI Xiao-jie, LUO Jing, LIU Xiao-ya. Synthesis of hexa (imidazolyl) cyclotriphosphazene and its performance as curing catalyst of epoxy resin. Journal of Materials Engineering, 2019, 47(1): 91-96.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2017.001451      或      http://jme.biam.ac.cn/CN/Y2019/V47/I1/91
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