Novel surfactant-free waterborne acrylic-silicone modified alkyd hybrid resin coatings containing nano-silica for the corrosion protection of carbon steel

We report a novel waterborne acrylic-silicone modified alkyd nanocomposite latex containing nano-silica prepared by the surfactant-free miniemulsion polymerization. The influences of γ-methacryloxy-propyltrimethoxysilane- (MPS-) modified nano-silica particle contents to the thermal, mechanical and a...

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Bibliographic Details
Published in:Polymer-plastics technology and engineering 2019-05, Vol.58 (8), p.866-878
Main Authors: Zhong, Shenjie, Li, Jiawei, Cai, Ying, Yi, Lingmin
Format: Article
Language:English
Subjects:
Acrylic resins
alkyd
Carbon steels
corrosion
Corrosion prevention
Corrosion rate
Corrosion resistance
Corrosion resistant steels
Electrochemical corrosion
electrochemical impedance spectroscopy (EIS)
hybrid latex coating
Latex
Mechanical properties
Nanocomposites
nanoparticles
Protective coatings
Silicon dioxide
SiO
Surfactants
Thermal resistance
Thermal stability
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Summary:We report a novel waterborne acrylic-silicone modified alkyd nanocomposite latex containing nano-silica prepared by the surfactant-free miniemulsion polymerization. The influences of γ-methacryloxy-propyltrimethoxysilane- (MPS-) modified nano-silica particle contents to the thermal, mechanical and anti-corrosion performance of hybrid latex coatings were studied. The results revealed that the incorporation of nano-silica particles into latex films could directly increase the thermal stability and mechanical properties. Electrochemical corrosion studies revealed that these nanocomposite coatings exhibited superior corrosion resistance performance (inhibition efficiency 99.36% and corrosion rate 1.09 × 10 −3  mm per year) than that of the control system (without SiO 2 NPs).
ISSN:2574-0881
0360-2559
2574-089X
1525-6111
DOI:10.1080/03602559.2018.1542711