银纳米粒子负载的石墨烯基环氧树脂复合材料的制备及性能

材料导报

2020, Vol. 34

Issue (Z1): 503-506

高分子与聚合物基复合材料

银纳米粒子负载的石墨烯基环氧树脂复合材料的制备及性能

陈姝敏¹, 吴迪¹, 何文浩², 陈勇²

1 荆楚理工学院数理学院,荆门 448000;
2 荆楚理工学院化工与药学院,荆门 448000

Preparation and Properties of Silver Nanoparticles LoadedGraphene/Epoxy Resin Composites

CHEN Shumin¹, WU Di¹, HE Wenhao², CHEN Yong²

1 School of Mathematics and Physics, Jingchu University of Technology, Jingmen 448000, China;
2 School of Chemical Engineering and Pharmacy, Jingchu University of Technology, Jingmen 448000, China

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摘要本工作以鳞片石墨为原料采用Hummer方法制备了石墨烯,并通过原位还原法在石墨烯上负载银纳米粒子,再利用得到的载银石墨烯材料与环氧树脂进行复合,充分发挥了三种材料的优势,得到了性能优异的载银石墨烯基环氧树脂复合材料。同时本工作探究了载银石墨烯的不同掺入比对复合材料拉伸强度和断裂伸长率的影响。结果表明,掺入0.05%(质量分数,下同)载银石墨烯时,复合材料的拉伸强度显著提高,而掺入0.1%载银石墨烯时,复合材料的断裂伸长率增大效果明显。通过对固化温度的研究得出100 ℃固化温度、载银石墨烯掺入0.05%为最优制备方案。同时,改性后的复合材料能有效减缓环氧树脂的受热分解问题,使环氧树脂的热稳定性得到了提高。

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关键词: 石墨烯银纳米粒子环氧树脂复合材料热力学性能

Abstract: In this paper, graphene was prepared from flake graphite by Hummer method. Silver nanoparticles were loaded on graphene by a method of in situ reduction. The silver-loaded graphene material was mixed with epoxy resin to form silver-loaded graphene/epoxy resin composite with excellent performance. This property should be due to the combinative of these three materials. At the same time, the effects of blending ratios of silver-loaded graphene on the properties of the composite were researched, including tensile strength and elongation at break. The results show that the composite exhibited best enhancement effectiveness of tensile strength when the mass percentage is 0.05%. The best strengthening effect of elongation at break were obtained when the mass percentage is 0.1%. By researching of curing temperature, it was found that the optimized scheme of the curing temperature is 100 ℃ with the addition of 0.05%. Contemporary, the thermal decomposition of the modified composite can be slowed down effectively. That is, the thermal stability of epoxy resin was enhanced.

Key words: graphene silver nanoparticle epoxy resin composite materials thermodynamic properties

发布日期: 2020-07-01

ZTFLH:

O469

基金资助: 荆门市科技局一般面上项目(2018YFYB052); 荆楚理工学院培育项目(PY201905);湖北省教育厅科技项目(B2014084)

作者简介: 陈姝敏博士,荆楚理工学院讲师,2016年5月毕业于上海大学理学院物理系,获凝聚态物理专业博士学位,一直从事新型功能材料与技术、新能源器件等方面的实验和理论研究。在新材料,尤其是新型功能材料的制备改性及在新能源领域中的应用方面积累了深厚的研究基础和大量的研究经验。主持完成了一项省教育厅青年人才项目,一项荆门市科技厅项目。参与完成了多项国家自然科学基金面上项目、上海市重点学科项目、上海市基础研究重点项目、上海市政府科学技术委员项目等。并于2013年至今在国际知名期刊上以第一作者发表学术论文十几篇,其中SCI论文9篇。申请了发明专利两项,实用新型专利一项,参与一次国际学术会议,多次国内学术会议。指导大学生创新创业计划项目国家级、省级各1项。

引用本文:

陈姝敏, 吴迪, 何文浩, 陈勇. 银纳米粒子负载的石墨烯基环氧树脂复合材料的制备及性能[J]. 材料导报, 2020, 34(Z1): 503-506.
CHEN Shumin, WU Di, HE Wenhao, CHEN Yong. Preparation and Properties of Silver Nanoparticles LoadedGraphene/Epoxy Resin Composites. Materials Reports, 2020, 34(Z1): 503-506.

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http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2020/V34/IZ1/503

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