OP-II-3

PP-III-50,Figure 1: A&B= commercial enamels (standard and pyrolitic), C,D,E,F=catalyzed enamels(powder coating, wet-urea, gel-combustion and sol-gel deposition methods).Table I: gravimetric tests concerning the catalyzed and not catalyzed enamelsusing olive oil as soilT [°C] Coating Residual Soil (olive oil)300°C Standard enamel (no cat.) 73.86300°C Pyrolytic enamel (no cat.) 59.64300°C powder coating 56.6300°C sol gel 47.03300°C gel combustion 31.14300°C wet-urea method 19.49400°C Standard enamel (no cat.) 39.28400°C Pyrolytic enamel (no cat.) 33.28400°C powder coating 21.04400°C sol gel 14.1400°C gel combustion 18.43400°C Wet-urea method 1.04550°C Pyrolytic (no cat.) 0.51References[1]. E. Scholtes, Patent GB1457579, “Pyrolytic Self Cleaning Cooker Ovens” (1978).[2]. GfK Marketing Services Italia – Global Appliances Market Survey (2006).[3]. P. Palmisano, P. Faraldi, D. Fino, N. Russo, Topics in Catalysis (2009) 154, 254-257.AcknowledgementThe authors would like to thank Indesit Company S.p.A. for the financial support.532