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Title: Si 3 N 4 @RGO Hybrids for Epoxy Coatings With Enhanced Anticorrosion Performance

Journal Article · · Polymer Composites
DOI: https://doi.org/10.1002/pc.24986 · OSTI ID:1484535
ORCiD logo [1];  [1];  [2]
  1. School of Materials Science and Engineering University of Jinan Jinan 250022 People's Republic of China
  2. Library University of Jinan Jinan 250022 People's Republic of China

The reduced graphene oxide (RGO)‐encapsulated functionalized silicon nitride hybrids (f‐Si 3 N 4 @RGO) were fabricated from sodium borohydride reduction of electrostatically assembled f‐Si 3 N 4 @GO hybrids with the help of silane coupling agent. The waterborne epoxy coating with 2 wt% f‐Si 3 N 4 @RGO was prepared by a room temperature curing process. The corrosion resistance properties of the coating were investigated. In the f‐Si 3 N 4 @RGO/epoxy coating, the unique structure of f‐Si 3 N 4 particles firmly embedded in the RGO sheets could effectively prevent the agglomeration of graphene in the epoxy and construct shielding barrier at the coating‐tinplate interface. The results showed that the anticorrosive performance of the coating was significantly enhanced by incorporation of f‐Si 3 N 4 @RGO hybrids to epoxy. This superior f‐Si 3 N 4 @RGO structure with its prominent dispersion could make full use of the enhancement effect of the different components and thus endowed the waterborne epoxy coating with good shielding properties. POLYM. COMPOS., 2018. © 2018 Society of Plastics Engineers

Sponsoring Organization:
USDOE
OSTI ID:
1484535
Journal Information:
Polymer Composites, Journal Name: Polymer Composites Vol. 40 Journal Issue: 5; ISSN 0272-8397
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
United States
Language:
English

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