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	一种具有二维状组装体结构的氢键结合超分子水凝胶的制备
	吴吉炜 ; 唐黎明 ; 陈凯 ; 李斐 ; 燕良 ; 王毓江 ; WU Jiwei ; TANG Liming ; CHEN Kai ; LI Fei ; YAN Liang ; WANG Yujiang
	2010-06-10 ; 2010-06-10
关键词	超分子水凝胶 氢键 片状结构 聚集体 Supramolecular hydrogel,hydrogen bond, Sheet-like structure,Aggregate O648.17
其他题名	PREPARATION OF A HYDROGEN BONDED SUPRAMOLECULAR HYDROGELS WITH TWO DIMENSIONAL AGGREGATE STRUCTURE
中文摘要	A new hydrogelator,2,6-di[N-(carboxypropylcarbonyl)amino] pyridine (defined as DPAP) was synthesized from 2,6-diaminopyridine and glutaric anhydride by a one-step procedure.Self-supporting supramolecular hyrogels were formed through cooling DPAP aqueous solution and DPAP mixed solution of 1,4-dioxane and water with 1,4-dioxane content no more than 15 wt%.However,only fiber-like crystals were obtained in pure 1,4-dioxane system.SEM observation of the xerogels indicated that the gelator molecules assembled into large sized sheet-like aggregates.The powder XRD diagrams indicated that the xerogel samples possess onset diffraction at 5.6°(2θ),corresponding to a d spacing of 1.580 nm.Such a length corresponded well with DPAP molecular length of 1.895 nm if considering the aggregating chain tilting with respect to the normal to the layer plane.So the hydrogen bonded molecular chain direction represents the main aggregating direction.Meanwhile,the xerogel samples have another preferred diffraction at 16.64°(2θ) due to the preferred arrangement of molecules under the help of hydrophobic association,therefore resulting in two-dimensional aggregating structure.; 国家自然科学基金(基金号20574041)资助项目
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/64061]
专题	清华大学
推荐引用方式 GB/T 7714	吴吉炜,唐黎明,陈凯,等. 一种具有二维状组装体结构的氢键结合超分子水凝胶的制备[J],2010, 2010.
APA	吴吉炜.,唐黎明.,陈凯.,李斐.,燕良.,...&WANG Yujiang.(2010).一种具有二维状组装体结构的氢键结合超分子水凝胶的制备..
MLA	吴吉炜,et al."一种具有二维状组装体结构的氢键结合超分子水凝胶的制备".(2010).

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