ie5b04818_si_001.pdf (1.06 MB)
A Novel Hybrid Polymer Network for Efficient Anticorrosive and Antibacterial Coatings
journal contribution
posted on 2016-03-29, 00:00 authored by Yaqi Fu, Mengsha Cai, Eryong Zhang, Simeng Cao, Peijun JiBy
in situ simultaneous polymerization of dopamine and hydrolytic
polycondensation of 3-aminopropyltriethoxysilane in an aqueous solution,
a novel hybrid polymer network coating on stainless steel was formed.
The polydopamine and silica hybrid polymer (PDSHP) adhered strongly
on the surface of stainless steel. The PDSHP film provides active
catechol and primary amine groups. Branched polyethylenimine was grafted
based on the PDSHP film. The structure and morphology of the multilayer
coating were characterized by attenuated total reflectance Fourier
transform infrared spectroscopy reflectance, X-ray photoelectron spectroscopy,
and atomic force microscopy and scanning electron microscopy images.
The coatings on the stainless steel substrates exhibited anticorrosion
of seawater. By making use of the primary amine groups on the multilayer
coating, a biocidal agent 3-chloro-2- hydroxypropyltrimethylammonium
chloride (CHPTAC) was grafted. The grafted CHPTAC was effective in
killing bacteria, extending the multilayer polymer coating with biocidal
functionality.