森林工程2018，Vol.34Issue(1)：41-45,59,6.
过氧化氢漂白富纤维素材料制备透明纤维素膜研究
Preparation of Transparent Cellulose Membrane by Hydrogen Peroxide Bleaching of Cellulose-Rich Materials
摘要
Abstract
To fractionate biomass and prepare transparent cellulose membrane , bagasse and poplar , as raw biomass materials , were extracted by benzene-alcohol solution and then fractionated with ionic liquid system .The obtained cellulose-rich material(CRM) was bleached by alkaline hydrogen peroxide solution .Three-factor mixed level orthogonal experiments were designed to optimize the bleaching process , and the differences on CIE L*a*b* colorimetry parameters of CRMs before and after the bleaching process were analyzed.Finally, transparent cellulose membranes were produced by ultrasound treatment of bleached bagasse CRM .Results indica-ted that hydrogen peroxide had obvious effects on bleaching and delignification of CRM , and the bleaching effect of the system on ba-gasse CRM was significantly higher than that of poplar CRM .The optimal bleaching conditions were as follows: the reaction tempera-ture was 75 ℃, the concentration of hydrogen peroxide was 15％ and the reaction time was 1 h.The reaction temperature had the greatest effect on the experimental results .Bleached CRM can be used to produce transparent cellulose membrane through further ultra -sonic process .关键词
富纤维素材料/过氧化氢/漂白/离子液体/透明纤维素膜Key words
Cellulose-rich material/hydrogen peroxide/bleaching/ionic liquid/transparent cellulose membranes分类
轻工纺织引用本文复制引用
王丽莉,欧阳土龙,戴兴兴,卢兴庚,梁华珍,邓榕,程芳超..过氧化氢漂白富纤维素材料制备透明纤维素膜研究[J].森林工程,2018,34(1):41-45,59,6.基金项目
国家自然科学基金(31760183) （31760183）
广西自然科学基金回国基金项目(2016GXNSFCA380025) （2016GXNSFCA380025）
广西大学科研基金资助项目(XGZ150513) （XGZ150513）
广西大学大学生创新创业训练计划(201610593273) （201610593273）
