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
Source PublicationAPPLIED SURFACE SCIENCE
Volume427Pages:981-991
AbstractHerein, 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.
KeywordSelf-cleaning Properties Superhydrophobic Surfaces Corrosion Performance Films Composites Sheets Nanocomposites Conductivity Design Layer
Subject AreaChemistry
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/16952
Collection2018专题
Recommended Citation
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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