Synthesis of stearic acid modified ground calcium carbonate (SA-GCC) hybrid material and properties of SA-GCC/epoxy composites coating

Synthesis of stearic acid modified ground calcium carbonate (SA-GCC) hybrid material and... Ground calcium carbonate (GCC) was modified by stearic acid (SA), and SA-GCC hybrid materials were obtained. The modified GCC (SA-GCC) were characterized by infrared spectroscopy (FTIR), thermal gravimetric (TGA), particle size analysis and hydrophobicity. The results showed that SA was chemically bound onto the surface of GCC. GCC (60 wt %) modified with 1 wt % of SA was filled into epoxy matrix to prepare composite coating by high-pressure spraying method and thermal curing process. The properties of SA-GCC/epoxy composites coating, such as adhesion, corrosion protection, were investigated by electrochemical impedance spectroscopy (EIS), autoclave testing and others instruments. The results demonstrated that SA-GCC/epoxy composites coating possess improved adhesion, corrosion resistance and thermal stability. High temperature and pressure testing indicated that the performance of such coating increased greatly. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Synthesis of stearic acid modified ground calcium carbonate (SA-GCC) hybrid material and properties of SA-GCC/epoxy composites coating

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215060117
Publisher site
See Article on Publisher Site

Abstract

Ground calcium carbonate (GCC) was modified by stearic acid (SA), and SA-GCC hybrid materials were obtained. The modified GCC (SA-GCC) were characterized by infrared spectroscopy (FTIR), thermal gravimetric (TGA), particle size analysis and hydrophobicity. The results showed that SA was chemically bound onto the surface of GCC. GCC (60 wt %) modified with 1 wt % of SA was filled into epoxy matrix to prepare composite coating by high-pressure spraying method and thermal curing process. The properties of SA-GCC/epoxy composites coating, such as adhesion, corrosion protection, were investigated by electrochemical impedance spectroscopy (EIS), autoclave testing and others instruments. The results demonstrated that SA-GCC/epoxy composites coating possess improved adhesion, corrosion resistance and thermal stability. High temperature and pressure testing indicated that the performance of such coating increased greatly.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Sep 30, 2015

References

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