Ocena wpływu promieniowania UV na ścieralność ochronno-dekoracyjnych powłok nadwozi samochodowych
Evaluation of UV radiation influence on abrasivity of protective-decorative coatings for car bodies
Keywords:
powłoki akrylowo-poliestrowe, starzenie promieniowaniem UV, ścieranie powłok
Abstract
The paper presents investigations concerning physico-chemical properties as well as a resistance to abrasion (abrasivity) of three-layer acrylic-polyester (renovation) coating systems after ageing with ultraviolet (UV) radiation. Generated by UV radiation photodestruction and photodegradation of examined coatings surface layers caused their chipping. This had an impact on progressive decline of the coatings thickness and hardness with the ageing time flow. UV ageing caused also almost twofold increase in surface roughness parameters Ra and Rz values. Surface roughness of the aged coatings increasing with the ageing time flow as well as their decreasing hardness contributed to their resistance to abrasion decrease, measured with the mass loss of abraded (using T-07 apparatus) coating material.
References
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2. Kotnarowska D., Sirak M.: Influence of climatic ageing on acrylic coatings. Autobusy. Technika, Eksploatacja, Systemy Transportowe 2018 nr 6, (płyta CD)
3. Kotnarowska D., Stanisławek D.: Niszczenie ochronno-dekoracyjnych powłok nadwozi samochodowych pod wpływem promieniowania słonecznego. Autobusy. Technika, Eksploatacja, Systemy Transportowe 2018 nr 12, s. 474-479 (płyta CD).
4. Kotnarowska D., Examination of dynamic of polymeric coatings erosive wear process. Materials Science 2006; 12 (2): 138÷143.
5. Kotnarowska D., Impact of operating environment on the protective and decorative properties of epoxy coatings. Ochrona przed Korozją 2013; 9: 372÷383.
6. Kotnarowska D., Influence of ultraviolet radiation and aggressive media on epoxy coating degradation. Progress in Organic Coatings 1999; 37: 149÷159.
7. Kotnarowska D., Influence of Ultraviolet Radiation on Erosive Resistance of Modified Epoxy Coatings”. Solid State Phenomena 2006; 113: 585÷588.
8. Kotnarowska D., Kinetics of wear of epoxide coating modified with glass microspheres and exposed to the impact of alundum particles. Progress in Organic Coatings 1997; 31: 325÷330.
9. Lancaster J.K., Abrasive wear of polymers. Wear 1969; 14: 223÷239.
10. Leder G., Ladwig T., Valter V., Frahn S., Meyer J., New effects of fumed silica in modern coatings. Progress in Organic Coatings 2002; 45: 139÷144.
11. Levy A.V., Erosion and erosion-corrosion of metals. Corrosion 1995; 51(11): 872÷883.
12. Lü N., Lü X., Jin X., Lü C., Preparation and characterization of UV-curable ZnO/polymer nanocomposite films. Polymer Interna-tional 2006; 56: 138÷143.
13. Mizak W., Mazurkiewicz A., Smolik J., Zbrowski A., Problems with abrasive dosing in erosive wear process modeling. EKSPLOATACJA I NIEZAWODNOSC – MAINTENANCE AND RELIABILITY 2014; 16 (4): 559÷564.
14. Narisava I., 1987. Resistance of Polymer Materials. Moscow: Ed. Chemistry
15. Pilotek S., Tabellion F., Nanoparticles in coatings. Tailoring properties to applications. European Coatings Journal 2005; 4:170÷177.
16. Ratner S.B., Styller E.E., Characteristics of impact friction and wear of polymeric materials. Wear 1981; 73: 213÷234.
17. Salgado C., Arrieta M. P. , Peponi L., López D., Fernández-García M, Photo-crosslinkable polyurethanes reinforced with coumarin modified silica nanoparticles for photo-responsive coatings. Progress in Organic Coatings 2018; 123: 63÷74.
18. Xiong M., Wu L., Zhou S., You B., Preparation and characterization of acrylic latex/nano-SiO2 composites. Polymer International 2002; 51: 693÷698.
19. Yusoh Y., Jin J., Song M., Subsurface mechanical properties of polyurethane-organoclay nanocomposite thin films studied by nanoindentation, Progress in Organic Coatings 2010; 67: 220÷224.
20. Zahavi J., Schmitt G.F., Solid particle erosion of reinforced composite materials. Wear 1981; 71: 179÷190.
21. Zhang W., Li L., Yao S., Zheng G., Corrosion protection properties of lacquer coatings on steel modified by carbon black nano-particles in NaCl solution. Corrosion Science 2007; 49: 654÷661.
22. Zubielewicz M., Królikowska A., The influence of ageing of epoxy coatings on adhesion of polyurethane topcoats and protective properties of coating systems. Progress in Organic Coatings 2009; 66: p. 129÷136.
23. Zyska B., Żakowska Z. Mikrobiologia materiałów. Łódź: Wydawnictwo Politechniki Łódzkiej, 2005.
24. Żenkiewicz M. Adhezja i modyfikowanie warstwy wierzchniej tworzyw wielkocząsteczkowych. Warszawa: WNT, 2000.
Published
2019-07-10
Issue
Section
Eksploatacja i Testy/Exploitation and Tests
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