国家自然科学基金(59933070)

作品数:3被引量:119H指数:1
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相关作者:张俐娜吕昂更多>>
相关机构:武汉大学更多>>
相关期刊:《Chinese Journal of Polymer Science》《高分子学报》更多>>
相关主题:纤维氢键CHARACTERIZATIONTHERMAL_STABILITYSEM更多>>
相关领域:化学工程理学更多>>
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纤维素溶剂研究进展被引量:119
《高分子学报》2007年第10期937-944,共8页吕昂 张俐娜 
国家自然科学基金(基金号59933070)重点资助项目;国家高技术研究发展计划(863计划;项目号2003AA333040);国家"十一五"科技支撑项目(项目号2006BAF02A09)资助
概述了纤维素溶剂的重要研究进展,主要包括N-甲基吗啉-N-氧化物(NMMO)在85℃以上高温可破坏纤维素分子间氢键,导致溶解;氯化锂/二甲基乙酰胺(LiCl/DMAc)在100℃以上可溶解纤维素;1-丁基-3-甲基咪唑盐酸盐([BMIM]Cl)和1-烯丙基-3-甲基咪...
关键词:纤维素溶剂 溶解机理 纤维 氢键 
CHARACTERIZATION OF REGENERATED CELLULOSE MEMBRANES HYDROLYZED FROM CELLULOSE ACETATE
《Chinese Journal of Polymer Science》2002年第4期369-375,共7页Yun Chen Xiao-peng Xiong Guang Yang Li-na Zhang Sen-lin Lei Hui Liang Electron Microscope Lab of Medical School, Wuhan University Wuhan 430072, China College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China 
This work was supported by the National Natural Science Foundation of China (No. 59933070) and Laboratory of Cellulose and Lignocellulosic Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences.
A series of cellulose acetate membranes were prepared by using formamide as additive, and then were hydrolyzed in 4 wt% aqueous NaOH solution for 8 h to obtain regenerated cellulose membranes. The dependence of degree...
关键词:HYDROLYSIS cellulose acetate thermal stability regenerated cellulose membrane pore size solvent-resistance SEM 
SILYLATION OF CELLULOSE WITH TRICHLOROSILANE AND TRIETHOXYSILANE IN HOMOGENEOUS LiCl/N,N-DIMETHYLACETAMIDE SOLUTION
《Chinese Journal of Polymer Science》2000年第2期161-168,共8页Hai-qing Liu Li-na Zhang Department of Chemistry, Wuhan University, Wuhan 430072, China 
This work was supported by the National Natural Science Foundation of China (59773026 and 59933070).
Silyl celluloses (SiC) were prepared by reacting cellulose with chloropropyltrichlorosilane (CPTCSi) and chloropropyltriethoxysilane (CPTESi) in LiCl/N,N-dimethylacetamide (DMAc). The Si content in the silyl cellulose...
关键词:sily cellulose chloropropyltrichlorosilane chloropropyltriethoxysilane LiCl/DMAc thermostability CROSSLINKING 
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