Investigation of covalently grafted polyacrylate chains onto graphene oxide for epoxy composites with reinforced mechanical performance
Yankun Xie
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorCorresponding Author
Weiqu Liu
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Correspondence to: W. Liu ([email protected])Search for more papers by this authorChunhua Liu
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorSha He
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorFengyuan Zhang
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorHongyi Shi
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorMaiping Yang
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorZhengfang Wang
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Search for more papers by this authorYankun Xie
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorCorresponding Author
Weiqu Liu
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Correspondence to: W. Liu ([email protected])Search for more papers by this authorChunhua Liu
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorSha He
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorFengyuan Zhang
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorHongyi Shi
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorMaiping Yang
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
University of Chinese Academy of Sciences, Beijing 101408, China
Search for more papers by this authorZhengfang Wang
Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Key Laboratory of Cellulose and Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China
Search for more papers by this authorABSTRACT
To enhance the dispersion and interfacial interaction of graphene–epoxy matrix, polyacrylate chains grafted graphene oxide (PA-GO) was manufactured with A-174 functionalized GO (A-GO), methyl acrylate, and glycidyl methacrylate via free-radical random copolymerization technique. Fourier transform infrared, thermogravimetric analysis, X-ray photoelectron spectrum, Raman spectroscopy, X-ray diffraction, transmission electron microscopy, and nuclear magnetic resonance were performed to investigate the structure of A-GO and PA-GO. Then, the PA-GO was incorporated into epoxy resin via in situ solution intercalation dispersion method in order to form an interpenetrating network structure with epoxy resin. Field emission scanning electron microscope results indicate that the PA-GO exhibits excellent dispersion and interfacial compatibility in the epoxy matrix. In compared with pure epoxy, the tensile strength and impact strength of the epoxy composite with 1 wt % PA-GO were shifted from 62.78 ± 2.54 to 70.68 ± 2.02 MPa (about 12.6%) and 3.55 ± 0.41 to 4.98 ± 0.33 kJ m−2 (about 40.3%), respectively. Moreover, increased storage modulus is also observed in the dynamic mechanical analysis measurements compared with that of neat epoxy resin. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47842.
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