UV-Shielding and Catalytic Characteristics of Nanoscale Zinc-Cerium Oxides

• 作 者: 柴希娟
• 机 构: School of Science and Interior Design Southwest Forestry University,,Kunming 650224,China
• 出 处: Journal of Wuhan University of Technology(Materials Science
• 发表日期: 2007年04期
• 关键词: polyester ultraviolet shielding combustion cerium irradiated Zinc initiator shar

Fine particles of zinc-cerium oxides(ZCO)used as an ultraviolet filter were prepared via combustion synthesis route.The catalytic activity,UV-shielding performance,surface modification and application of ZCO in polyester varnish were discussed in detail.The experimental results indicate that the photo-catalytic activity of ZCO is much smaller than these of ZnO and TiO_2;the oxidation catalytic activity of ZCO is far lower than that of CeO_2;the ZCO has shown excellent ultraviolet absorption in the range of UV; addition modified ZCO(MZCO)into polyester will enhance the UV-shielding capability of polyester.

Fine particles of zinc-cerium oxides (ZCO) used as an ultraviolet filter were prepared via combustion synthesis route. The catalytic activity, UV-shielding performance, surface modification and application of ZCO in polyester varnish were discussed in detail. The experimental results indicate that that the photo-catalytic activity of ZCO is much smaller than these of ZnO and TiO 2; the oxidation catalytic activity of ZCO is far lower than that of CeO 2; the ZCO has shown excellent ultraviolet absorption in the range of UV; addition modified ZCO (MZCO) into polyester will enhance the UV-shielding capability of polyester.