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通过电化学合成的石墨烯氧化物对原始物质进行修改,并与甲二胺功能化而成的环氧复合材料的结构和性能进行研究

Anton Mostovoy¹, Amirbek Bekeshev², Sergey Brudnik³

¹Laboratory of Modern Methods of Research of Functional Materials and Systems, Yuri Gagarin State Technical University of Saratov, Polytechnichskaya Str., 77, 410054 Saratov, Russia.

Nanomaterials (Basel, Switzerland)

|April 12, 2024

概括

改性石墨烯氧化物 (GO) 与六甲二胺 (HMDA) 显著增强了环氧复合材料的性能. 这种功能化的GO提高了先进材料应用的机械强度,抗冲击性和热稳定性.

科学领域:

材料科学材料科学材料科学
聚合物化学聚合物化学
纳米技术纳米技术

背景情况:

石墨烯氧化物 (GO) 是聚合物复合材料的一个有前途的纳米填充剂.
对GO的表面修改对于改善界面粘附和复合材料性能至关重要.
六甲二胺 (HMDA) 为GO功能化提供了反应性氨基群.

研究的目的:

为了合成和描述六甲二胺修饰的石墨烯氧化物 (HMDA-GO).
研究HMDA-GO对环氧复合材料性能的影响.
评估HMDA-GO作为环氧矩阵中强化剂的潜力.

主要方法:

多层石墨烯氧化物 (GO) 通过石墨的阳极氧化合成.
使用核友替代的六甲二胺 (HMDA) 的GO修改.
使用SEM,FTIR,XRD和拉曼光谱进行表征.
评估环氧复合材料的性能 (机械,冲击,热).

主要成果:

修改HMDA减少了GO表面能量,并增强了聚合物-纳米填充剂的粘附性.
在环氧复合材料中观察到的显著改善:+48%的曲强度,+102%的弹性模量,+122%的冲击强度,+82%的拉力强度,+47%的拉力模量.
HMDA-GO启动了环氧聚合,并增加了热稳定性.

结论:

HMDA功能化是增强GO属性的有效策略.
HMDA-GO显著提高了环氧纳米复合材料的机械和热性能.
开发的HMDA-GO是一种高度有效的纳米填充剂,用于先进的环氧材料.

关键词:

电化学合成的电化学合成环氧树脂是一种环氧树脂.石墨烯氧化物石墨烯氧化物六甲基二烯胺是什么修改的意思是改变的意思.属性属性属性属性结构的结构结构的结构.

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