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纳米TiO2 对蒙脱石/环氧树脂复合材料结构与性能的影响
作者:  
单位:海军工程大学基础部化学与材料教研室 武汉 430033 
关键词:纳米二氧化钛 有机蒙脱石 环氧树脂 纳米复合材料 维度 
分类号:TB332
出版年,卷(期):页码:2018,46(10):0-0
DOI:10.14062/j.issn.0454-5648.2018.10.12
摘要:

 将纳米TiO2 和有机蒙脱石加入到环氧树脂中,成功地制备出一种在多项性能上都有大幅提高的纳米复合材料。力学

性能测试和热分析表明:所得的纳米复合材料在拉伸、冲击、玻璃化转变温度和热分解温度等多项性能上都比纯环氧树脂和
有机蒙脱石/环氧树脂纳米复合材料有大幅提高。X 射线衍射谱和透射电镜结果表明,在环氧树脂中纳米TiO2 与有机蒙脱石
同时存在,使蒙脱石层高度剥离,所得的二维蒙脱石纳米单片与零维纳米TiO2 颗粒交错分布于树脂基体中,形成了新的微观
结构。

 A versatile high-performance epoxy nano-composite was prepared via co-incorporating organo-montmorillonite (o-MMT)

and nano-sized titanium dioxide (TiO2)into epoxy matrix. Based on the analysis by X-ray diffraction and transmission electron
microscopy, The MMT layers in the nano-composite are exfoliated into nano-sized MMT mono-platelets due to the intense
interactions among o-MMT, nano-sized TiO2 and epoxy, and the 2-dimensional MMT mono-platelets have an interlacing arrangement
with the 0-dimensional nano-sized TiO2 particles in epoxy matrix. Also, the resultant epoxy/o-MMT/nano-sized TiO2 nano-composite
has the improved mechanical thermal properties, compared to the pure epoxy and epoxy/o-MMT nano-composites. It is indicated that
the co-incorporation of proper, dimensionally different nano-sized particles into polymer matrix could be an effective way for the
preparation of versatile high-performance polymer nanocomposites.
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参考文献:

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