Vinyl ester/ glass flake nanocomposites: An overview of chemical and physical properties

Abstract

The protection of steel against corrosion by nano-glass flake containing coatings has been evaluated in this article. Nano-glass flake was incorporated into epoxy vinyl ester resin by mechanical agitation, homogenizer and sonication process. The dispersion morphology and agglomeration degree of nanoadditives were analyzed by optical microscopy, scanning electron microscopy and energy-dispersive X-ray spectroscopy. The effect of micro and nano-glass flake on anticorrosion performance of epoxy vinyl ester coatings were also compared in a salt spray chamber. The influence of nano-glass flake on the thermal behavior of resins was studied using differential scanning calorimetry and thermogravimetric analysis. The results showed that corrosion resistance of coatings improves as the amounts of nano-glass flake increases to 1.5 phr. Nano-glass-flake-filled specimens display a better corrosion protection than the micro-glass-flake-filled ones.

Keywords

Epoxy nano-glass flake corrosion differential scanning calorimetry thermogravimetric analysis

Get full access to this article

View all access options for this article.

References

Nazareth da Silva

Teixeira

Wida

. Mechanical properties of polymer composites based on commercial epoxy vinyl ester resin and glass fiber. Polym Test 2001; 20: 895–899.

Zheng

Chonung

Wang

. Epoxy/nano-silica composites: curing kinetics, glass transition temperatures, dielectric, and thermal–mechanical performances. J Appl Polym Sci 2009; 111: 917–927.

Rosu

. Vinyl ester matrix resins for advanced materials. J Optoelectron Adv Mater 2008; 10: 3377–3381.

González-Guzmán

Santana

Souto

. Resistance of metallic substrates protected by an organic coating containing glass flakes. Prog Organic Coat 2010; 68: 240–243.

Guojian

Jiayun

. Influence of expandable graphite on fire resistance and water resistance of flame-retardant coatings. Corros Sci 2007; 49: 2237–2253.

Muromachi

Tsujino

Kamitan

. Application of functional coatings by sol-gel method. J Sol-Gel Sci Technol 2006; 40: 267–272.

Shi

. On the use of nanotechnology to manage steel corrosion. Recent Patent Eng 2010; 4: 44–50.

Nematollahi

Heidarian

Peikari

. Comparison between the effect of nanoglass flake and montmorillonite organoclay on corrosion performance of epoxy coating. Corros Sci 2010; 52: 1809–1817.

Slama WR, Washburn RB and Semanisin DJ. Corrosion resistant coated articles which include an intermediate coating layer of a thermosetting polymer and non-siliceous filler. Patent 4,347,277, USA, 1982.

10.

Sathiyanarayanan

Syed Azim

Venkatachari

. Corrosion protection coating containing polyaniline glass flake composite for steel. Electrochim Acta 2008; 53: 2087–2094.

11.

Vu-Khanh

Fisa

. Impact fracture of glass-flake reinforced polypropylene. Polym Compos 1986; 7: 375–382.

12.

Teruo M, Yasuo A and Miwao N. Glass flake having dense protective covering layer. Patent 5,436,077, USA, 1995.

13.

Koestecki RJ. Preparing glass flake reinforced reaction injection molded polymers. Patent 4,564,491, USA, 1986.

14.

Bradley WJ. Protective coatings containing glass flake pigment and articles coated therewith. Patent 3,759,852, USA, 1973.

15.

Nakagawa T, Shimada S and Tanaka H. Glass flake composite. Patent 5,087,518, USA, 1992.

16.

Wen

. Glass flake epoxy heavy-duty corrosion protection coatings. Paint Coat Ind China 1999; 29: 121–123.

17.

Denault

Vu-Khanh

. Crystallization behavior and effect of thermal treatment on fracture performance of glass flake reinforced polypropylene. Polym Compos 1992; 13: 372–379.

18.

Omrani

Simon

Rostami

. The effects of alumina nanoparticle on the properties of an epoxy resin system. Mater Chem Phys 2009; 114: 145–150.

19.

Sun

Zhang

Moon

. Glass transition and relaxation behavior of epoxy nanocomposites. J Polym Sci B: Polym Phys 2004; 42: 3849–3858.

20.

Maity

Samanta

Dalai

. Curing study of epoxy resin by new aromatic amine functional curing agents along with mechanical and thermal evaluation. Mater Sci Eng A 2007; 464: 38–46.

21.

Tsagaropoulos

Eisenberg

. Dynamic mechanical study of the factors affecting the two glass transition behavior of filled polymers: similarities and differences with random ionomers. Macromolecules 1995; 28: 6067–6077.

22.

Singha

Thomas

. Dielectric properties of epoxy nanocomposites. IEEE T Dielect El In 2008; 15: 12–23.

23.

Goyat

Ray

Ghosh

. Innovative application of ultrasonic mixing to produce homogeneously mixed nanoparticulate-epoxy composite of improved physical properties. Compos Part A: Appl Sci Manuf 2011; 42: 1421–1431.