Abstract
The use of clays to formulate powder coating can improve physical properties, besides a final product with more sustainable characteristics due to the elimination of some additives, which may be substituted for the clay. We investigate the use of a modified smectite clay to formulate powder coating based on polyester resin. Four compositions of incorporated clay were evaluated (0, 4, 7, and 10 wt%). Powder coating were prepared in a twin-screw extruder at 105 °C, and characterized by XRD, FTIR and SEM. Tests of flexibility , adhesion and impact strength in accordance to ASTM standards were performed. Diffractograms of the samples showed the characteristic peak of the modified smectite in d(001) ~ 37°(2θ), indicating exfoliation of the clay. Micrographs by SEM showed the presence of lamellar structure for the clay-based powder coating . Mechanical assays were found for all analyzed coatings, indicating that sample containing 7% of clay presents the best performance.
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References
Murray HH. (2007) Applied clay mineralogy: Occurrences, processing and application of kaolins, bentonites, palygorskite sepiolite, and common clays, 1st edn. Elsevier Science, Amsterdam
Bergaya F, Lagaly G, Vayer M (2006) Cation and anion exchange. In: Bergaya F, Theng BKG, Lagaly G (eds) Handbook of clay science, 1st edn. Elsevier Science, Amsterdam, pp 79–100
Paiva LB, Morales AR, Valenzuela-Díaz FR (2008) Organoclays: properties, preparation and applications. Appl Clay Sci 42:8–24
Valenzuela-Díaz FR (2001) Preparation of organophilic clays from a Brazilian Smectite Clay. Key Eng Mater 189–191:203–207
Piazza D, Silveira DS, Lorandi NP, Birriel EJ, Scienza LC, Zattera AJ (2012) Polyester-based powder coatings with montmorillonite nanoparticles applied on carbon steel. Prog Org Coat 73(1):42–46. https://doi.org/10.1590/1516-1439.312714
Silva-Valenzuela MG, Fabozzi GA, Cebukin F, Wiebeck H, Valenzuela-Díaz FR, Wang SH. (2016) Preparation and characterization of microcapsules from PBSL/VMF2 nanocomposite. In: Ikhmayies SJ, Li B, Carpenter JS, Hwang J-Y, Monteiro SN, Li J, Firrao D, Zhang M, Peng Z, Escobedo-Diaz JP, Bai C (eds) Characterization of minerals, metals, and materials 2016. Wiley, Hoboken. doi:https://doi.org/10.1002/9781119263722.ch28
Acknowledgements
We are grateful to São Paulo Research Foundation (FAPESP) for financial support. One of us (SLF) would like to thank ABC Federal University for research scholarship.
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© 2018 The Minerals, Metals & Materials Society
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Ferreira, S.L., Ferreira, M.J.G.C., Valenzuela-Díaz, F.R., da Silva-Valenzuela, M.d.G. (2018). Study of the Incorporation of Smectite in Powder Coating. In: Li, B., et al. Characterization of Minerals, Metals, and Materials 2018 . TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72484-3_73
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DOI: https://doi.org/10.1007/978-3-319-72484-3_73
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