
基于二维相关红外光谱的超支化聚合物修饰碳纳米管/环氧树脂复合材料固化机理研究
张可峰, 李璐, 段佳琦, 梁景元, 杨梦骄
基于二维相关红外光谱的超支化聚合物修饰碳纳米管/环氧树脂复合材料固化机理研究
Study on Curing Mechanism of Hyperbranched Polymer Modified Carbon Nanotube/Epoxy Resin Composites Based on Two-dimensional Correlation Infrared Spectroscopy
为明确超支化聚合物修饰碳纳米管/环氧树脂复合材料的固化机理以及不同超支化聚合物的引入对环氧树脂基体固化行为的影响机制,利用移动窗口二维相关红外分析方法,对比分析超支化聚酯修饰碳纳米管/环氧树脂复合材料(EP/MWCNTs-H204)和超支化聚酰胺修饰碳纳米管/环氧树脂复合材料(EP/MWCNTs-N103)两个体系在升温固化过程中特征官能团的变化规律,并利用广义二维相关红外分析详细探讨各官能团发生变化的先后次序,合理解释了不同超支化聚合物的引入对环氧树脂复合材料固化行为的影响规律。
To clarify the curing mechanism of hyperbranched polymer modified carbon nanotubes/epoxy resin composite materials and the influence mechanism of different hyperbranched polymers on the curing behavior of epoxy resin matrix, a moving window two-dimensional correlation infrared analysis method was used, and a comparative analysis was conducted on the changes in characteristic functional groups of hyperbranched polyester modified carbon nanotubes/epoxy resin composite material (EP/MWCNTs H204) and hyperbranched polyamide modified carbon nanotubes/epoxy resin composite material (EP/MWCNTs N103) during the heating and curing process. The sequence of changes in each functional group was discussed in detail using generalized two-dimensional correlated infrared analysis. The influence of the introduction of different hyperbranched polymers on the curing behavior of epoxy resin composites was reasonably explained.
超支化聚合物 / 碳纳米管 / 环氧树脂 / 二维相关红外分析 / 固化机理
Hyperbranched polymer / Carbon nanotubes / Epoxy resin / Two-dimensional correlation infrared analysis / Curing mechanism
TQ323.5 / TB332
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