高等学校化学学报2011，Vol.32Issue(4)：978-983,6.
γ-Al2O3法制备复合多孔树脂及其调湿与甲醛吸附性能
Preparation of Composite Porous Resin by Υ-AI2O3 Foaming and Its Characterization of Humidity-controlling and Formaldehyde Adsorption
摘要
Abstract
As intelligent humidity control materials, porous resins have more advantages, such as high mois ture content and fast absorption-desorption rate than traditional porous silica gels. A composite porous resin was prepared via a foaming method in this study, in which aluminum hydroxide was decomposed into activated alumina and water vapor was released simultaneously at high temperature. The morphology and pore structure of the composite porous resins were characterized by thermogravimetry ( TG), scanning electron microscopy (SEM), X-ray diffractomer(XRD), Fourier transform infrared spectroscopy(FTIR) and nitrogen adsorption.Humidity control capability and saturation moisture content of the composite porous resins were tested under high humidity and low humidity conditions. Humidity control performance at various temperatures and trace formaldehyde adsorption ability at 25 ℃ of the composite porous resins were investigated particularly. The re sults show that porous structure is successfully formed in the resin. The composite porous resin has good per formances on humidity control and formaldehyde adsorption. Through controlling the pore parameters of the resin by changing preparation processes, we could adjust the humidity-controlling range of the resin between 50％ and 60％ relative humidity(RH) in 4 h free from the influence of temperature, and the formaldehyde ad sorption content of the resin was about 2.50 x 105 mol/( L · g). The composite porous resin could be applied as intelligent humidity control material and create a clean micro-environment for cultural relic conservation.关键词
复合多孔树脂/调湿/甲醛吸附/智能材料Key words
Composite porous resin/ Humidity control/ Formaldehyde adsorption/ Intelligent material分类
化学化工引用本文复制引用
杨海亮,彭志勤,张敬,曹晓晔,陈彩惠,周旸,赵丰,胡智文..γ-Al2O3法制备复合多孔树脂及其调湿与甲醛吸附性能[J].高等学校化学学报,2011,32(4):978-983,6.基金项目
长江学者和创新团队发展计划(批准号:IRT0654)和浙江省文物保护基金资助. （批准号:IRT0654）
