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- Title
Polydopamine functional reduced graphene oxide for enhanced mechanical and electrical properties of waterborne polyurethane nanocomposites.
- Authors
Zhang, Shengwen; Zhang, Dandan; Li, Zhen; Yang, Yifan; Sun, Meng; Kong, Ziwen; Wang, Yang; Bai, Huiyu; Dong, Weifu
- Abstract
Waterborne polyurethane/polydopamine (PDA) functional reduced graphene oxide (WPU/PDRGO) nanocomposites were prepared by in situ emulsification method. The presence of a PDA layer and the partial reduction of GO by PDA were confirmed by FTIR, XRD, Raman spectra, and TGA. It was found that the interfacial PDA layers facilitated the dispersion of the PDRGO sheets in the WPU matrix and enhanced mechanical properties of the WPU matrix. The resulting WPU/PDRGO nanocomposite coatings show excellent electrical conductivity (9.9 × 10−6-1.1 × 10−4 S cm−1) corresponding to a PDRGO content of 1-16 wt%. The obtained waterborne polyurethane/graphene nanocomposite dispersions are promising for anticorrosion, antistatic, conductive, and electromagnetic interference shielding coatings.
- Subjects
GRAPHENE oxide; POLYURETHANES; POLYCYCLIC aromatic hydrocarbons; NANOSTRUCTURED materials; EPOXY resins
- Publication
Journal of Coatings Technology & Research, 2018, Vol 15, Issue 6, p1333
- ISSN
1945-9645
- Publication type
Article
- DOI
10.1007/s11998-018-0082-3