Preparation and Performance Study of Polyurethane Film by Industrial Solid Wastes-Alkali Lignin
Alkali lignin, the main component of alkaline pulp black liquor in the paper industry, is an abundant and renewable resource. It can be used to substitute for part of polyethylene glycol (PEG) in the synthesis of alkali-lignin polyurethane (PU) films, which will reduce the cost of polyurethane production and turn waste into treasure. In this study, the alkali-lignin PU films were prepared from alkali lignin by solution casting with PEG and toluene diisocynate (TDI) in the solvent of N, N-dimethylformamide (DMF). In order to prepare PU with the optimum conditions, two factors NCO/OH ratio and alkali-lignin content were studied. The prepared membrane materials were also characterized by SEM and TGA. The results showed that the PU film had good chemical resistance and high working performances, too.
Xiao-li ZHANG Yi-tong ZHOU Yuan GAO Li-ping ZHANG Ping QU
College of Material Science and Technology, Beijing Forestry University, Beijing, China College of Material Science and Technology, Beijing Forestry University, Beijing, China Key Laborato College of Material Science and Technology, Beijing Forestry University, Beijing, China Key Laborato
国际会议
The Fifth International Conference on Waste Management and Technology(第五届固体废物管理与技术国际会议)
北京
英文
77-80
2010-11-01（万方平台首次上网日期，不代表论文的发表时间）