NIMTE OpenIR  > 2018专题
A novel hydroxyl epoxy phosphate monomer enhancing the anticorrosive performance of waterborne Graphene/Epoxy coatings
Ding, Jiheng; Rahman, Obaid Ur; Peng, Wanjun; Dou, Huimin; Yu, Haibin
2018
发表期刊APPLIED SURFACE SCIENCE
卷号427页码:981-991
摘要Herein, we report the synthesis of a novel hydroxyl epoxy phosphate monomer (PGHEP) as an efficient dispersant for graphene to enhance the compatibility of the graphene in epoxy resin. Raman spectroscopy, Ultraviolet-visible spectroscopy (UV-vis) and X-ray photoelectron spectroscopy (XPS) studies were confirmed the pi-pi interactions between PGHEP and graphene. Well-dispersed states of PGHEP functionalized graphene (G) sheets in water were analyzed by transmission electron microscopy (TEM), atomic force microscopy (AFM) and scanning electron microscopy (SEM). Further, microstructure of prepared G/waterborne epoxy coatings containing 0.5-1.0 wt.% of PGHEP functionalized G sheets were also observed with the help of SEM and TEM. The PGHEP functionalized G sheets dispersed composite coatings displayed enhanced corrosion resistance compared with pure epoxy resin, these coatings have higher contact angle, lower water absorption as evident from the results of electrochemical impedance spectroscopy (EIS) and salt spray tests. The superior corrosion protection performances of G/epoxy coatings were mainly attributed to the formed passive film from uniformly dispersed PGHEP functionalized G sheets which act as physical barrier on the steel surface. Therefore, this work provides a novel bio-based efficient dispersant for G sheets and an important method for preparing G/waterborne epoxy coatings with superior corrosion resistance properties. (C) 2017 Published by Elsevier B.V.
关键词Self-cleaning Properties Superhydrophobic Surfaces Corrosion Performance Films Composites Sheets Nanocomposites Conductivity Design Layer
学科领域Chemistry
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/16952
专题2018专题
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GB/T 7714
Ding, Jiheng,Rahman, Obaid Ur,Peng, Wanjun,et al. A novel hydroxyl epoxy phosphate monomer enhancing the anticorrosive performance of waterborne Graphene/Epoxy coatings[J]. APPLIED SURFACE SCIENCE,2018,427:981-991.
APA Ding, Jiheng,Rahman, Obaid Ur,Peng, Wanjun,Dou, Huimin,&Yu, Haibin.(2018).A novel hydroxyl epoxy phosphate monomer enhancing the anticorrosive performance of waterborne Graphene/Epoxy coatings.APPLIED SURFACE SCIENCE,427,981-991.
MLA Ding, Jiheng,et al."A novel hydroxyl epoxy phosphate monomer enhancing the anticorrosive performance of waterborne Graphene/Epoxy coatings".APPLIED SURFACE SCIENCE 427(2018):981-991.
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