纳米二氧化硅/WPU复合材料性能研究

Study on the Propertres of Nanosilica /WPU Composites

目 录

摘要 .................................................................................................................................................................... I Abstract ........................................................................................................................................................... II 第一章 文献综述 ...................................................................................................................................... 1

1.1 水性聚氨酯简介............................................................................................................... 1 1.1.1水性聚氨酯的应用......................................................................................................... 1 1.1.2水性聚氨酯的分类......................................................................................................... 1 1.1.3 合成水性聚氨酯的原料................................................................................................ 2 1.1.4 水性聚氨酯的改性........................................................................................................ 3 1.2 水性聚氨酯纳米复合材料............................................................................................... 4 1.2.1纳米材料改性聚氨酯涂料............................................................................................. 4 1.2.2纳米SiO2的分散 ........................................................................................................... 5 1.3本文的研究思路及内容.................................................................................................... 5

第二章 纳米二氧化硅/WPU复合材料性能研究 .............................................................. 7

2.1引言.................................................................................................................................... 7 2.2实验部分............................................................................................................................ 7 2.2.1实验药品......................................................................................................................... 7 2.2.2实验仪器......................................................................................................................... 7 2.2.3原料处理......................................................................................................................... 8 2.2.4合成工艺......................................................................................................................... 8 2.2.5合成路线......................................................................................................................... 9 2.3产物表征与性能测试......................................................................... 错误!未定义书签。 2.3.1 乳液固含量的测定......................................................................... 错误!未定义书签。

2.3.2 乳液PH值的测定 ......................................................................... 错误!未定义书签。 2.3.3 乳液粒径测定................................................................................. 错误!未定义书签。 2.3.4 Zeta电位测定 ................................................................................. 错误!未定义书签。 2.3.5 硬度测定......................................................................................... 错误!未定义书签。 2.3.6扫描电镜（SEM） ....................................................................................................... 12 2.3.7红外光谱测定................................................................................................................ 12 2.3.8热稳定测试.................................................................................................................... 12 2.4结果与分析......................................................................................... 错误!未定义书签。 2.4.1实验配方设计.................................................................................. 错误!未定义书签。 2.4.2水性聚氨酯/SiO2复合乳液的特性参数 ...................................... 错误!未定义书签。 2.4.3 乳液粒径测定结果......................................................................... 错误!未定义书签。 2.4.4 乳液Zeta电位测定结果............................................................................................ 15 2.4.5硬度测定结果................................................................................................................ 17 2.4.6扫描电镜(SEM)结果 .................................................................................................... 17 2.4.7 热稳定测试结果........................................................................................................... 19 2.4.8 红外图谱分析............................................................................................................... 20 2.5本章小节........................................................................................................................... 22

结论 ......................................................................................................................... 错误!未定义书签。 致谢 ......................................................................................................................... 错误!未定义书签。 参考文献 .............................................................................................................. 错误!未定义书签。