Morphological Aspects of Thermosetting Polymers/Zn Composite Coatings
Abstract
The present work has the purpose of studying the morphological aspects of composite coatings having zinc matrix and thermosetting polymers (PF resin type NOVOLAC - RESITAL 6358/1 and epoxy resin type DINOX 110L) as dispersed phase obtained during the electrodeposition process of zinc. The composite coatings layers were electrodeposited from a suspension of resin particles in aqueous zinc sulphate electrolyte by adding 10 g/L resin particles with size 0.1-5 μm into electrolyte solution. The structure of the coatings was investigated by scanning electron microscopy (SEM) and atomic force microscopy (AFM) methods. The surface morphology of thermosetting polymers/Zn composite coatings layers is different compared with pure zinc coatings: the regular crystal structure characteristic of electroplated zinc coatings was disturbed. The decreases in the roughness of composite coatings layers compared to roughness of pure zinc layers can be determined by the fine structure of the composite coatings.
Downloads
References
[2]. F. L. Matthews - Joining Fibre-Reinforced Plastics, London, Elsevier Applied Science, 1987.
[3]. A. B. Strong - Fundamentals of Composites Manufacturing: Materials, Methods and Applications, Dearborn, MI, Society of Manufacturing Engineers, 1989.
[4]. Robert W. Messler Jr - Joing of advanced Materials, Butterworth-Heinemann, Stoneham, UK, 1993.
[5]. G. B. Binnig, C. F. Quate and Ch. Gerber - Atomic Force Microscope, Phys. Rev. Lett., vol. 12, p.930 – 933, 1986.
[6]. J. K. H. Horber and M. J. Miles - Scanning Probe Evolution in Biology, Science, vol. 302, nr. 5647, p. 1002 - 1005, 2003.
[7]. F. Oesterhelt, D. Oesterhelt, M. Pfeiffer, A. Engel, H. E. Gaub and D. J. Muller - Unfolding Pathways of Individual Bacteriorhodopsins, Science, vol. 288, nr. 5463, p. 143 - 146, 2000.
[8]. G.W. Reynolds, J. W. Taylor, Correlation of Atomic Force Microscopy Sidewall Roughness Measurements with Scanning Electron Microscopy Line-Edge Roughness Measurements on Chemically Amplified Resists Exposed by X-ray Lithography, J. Vac. Sci. Technol. B., vol. 17, issue 6, p. 2723 - 2729, 1999.
[9]. R. Nessler - Scanning Microscopy Technologies: Scanning Electron Microscopy and Scanning Probe Microscopy, Scanning, vol. 21, issue 2, p. 137, 1999.
[10]. A. C. Ciubotariu, L. Benea, O. Mitoseriu, P. Ponthiaux, F. Wenger - Influence of particles size on the structure and corrosion behavior of phenol – formaldehyde/Zn composite coatings obtained by electrodeposition, J. Optoelectron. Adv M., vol. 11, nr. 6, p. 892-897, 2009
[11]. W. Wei, H. Hu, L. You, G. Chen - Preparation of carbon molecular sieve membrane from phenol-formaldehyde Novolac resin, Carbon, vol. 40, issue 3, p. 465 - 467, 2002.
[12]. J. A. Brydson - Plastics Materials: Seventh Edition, Chapter 26 Epoxide Resins, ISBN- 13: 9780750641326, Elsevier Butterworth-Heinemann, UK, 1999.
[13]. A. Clayton May - Epoxy Resins: Chemistry and Technology, New York: Marcel Dekker Inc, ISBN 0824776909, 1987.
