L-苯丙氨酸衍生物与脂肪胺构筑双组分超分子凝胶

doi:10.3866/PKU.WHX.B201407041

CORC > 北京大学 > 化学与分子工程学院

	L-苯丙氨酸衍生物与脂肪胺构筑双组分超分子凝胶; Two-Component Supramolecular Organogels Formed from L-Phenylalanine Derivatives and Aliphatic Amines
	钟金莲 ; 潘虹 ; 罗序中 ; 洪三国 ; 张宁 ; 黄建滨
刊名	物理化学学报
	2014
关键词	双组分超分子凝胶 L-苯丙氨酸衍生物自组装酸碱作用氢键作用 Two-component supramolecular gel L-benzedrine acid derivatives Self-assemble Acid-base interaction Hydrogen bonding
DOI	10.3866/PKU.WHX.B201407041
英文摘要	设计合成了系列单链L-苯丙氨酸衍生物,该系列衍生物单组分没有胶凝性能.选择脂肪胺作为配对物,与L-苯丙氨酸衍生物组成双组分体系后能够胶凝许多有机溶剂形成凝胶.流变学测试显示该凝胶体系弹性模量(G′)比粘性模量(G′′)约高一个数量级,有着很好的机械性能,并且呈现出典型的类固体的流变学行为.傅里叶变换红外(FT-IR)光谱、核磁共振(NMR)谱、小角X射线衍射(SAXS)和扫描电镜(SEM)结果表明,凝胶中胶凝剂分子形成纤维状或片层状的聚集体,羧基(―COOH)和氨基(―NH2)的酸碱作用、酰胺基团间(―CONH―)的氢键作用以及分子间范德华作用力是形成该凝胶的主要驱动力.凝胶中胶凝剂分子自组装...; A series of nnonochain L-phenylalanine derivatives were synthesized. L-Phenylalanine derivatives have no gelation abilities, but two-component systems consisting of L-phenylalanine derivatives and aliphatic amines can gelate various organic liquids. The structures of the aggregates in the organogels were investigated using Fourier-transform infrared spectroscopy (FT-IR), nuclear magnetic resonance (NMR) spectroscopy, small-angle X-ray scattering (SAXS), rheological methods, and scanning electron microscopy (SEM). The rheological measurements showed that the steady-state value of the storage elastic modulus (G') was about 10 times larger than that of the loss elastic modulus (G ''), indicating that the organogels have good mechanical properties and gel-like characteristics. The SEM, FT-IR, and H-1 NMR results showed that two-component organogels can self-assemble into fibrous or lamellar aggregates in organic liquids through acid-base interactions, intermolecular hydrogen bonding of amide groups, and van der Waals interactions of long alkyl chains. The FT-IR and NMR spectra showed that the hydrogen-bonding and acid base interactions were the main driving forces for the formation of self-assembled gels. The SAXS results indicated that the gelator molecules assembled into ordered lamellar structures in organic liquids. The ordered lamellar aggregates are juxtaposed and interlocked by van der Waals interactions to form a fibrous superstructure and are finally immobilized in the organic liquid.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000342869700013&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; SCI(E); 中文核心期刊要目总览(PKU); 中国科技核心期刊(ISTIC); 中国科学引文数据库(CSCD); 2; luoxuzhong@hotmail.com; nzhang@ncu.edu.cn; jbhuang@pku.edu.cn; 09; 1688-1696; 30
语种	中文
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/208935]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	钟金莲,潘虹,罗序中,等. L-苯丙氨酸衍生物与脂肪胺构筑双组分超分子凝胶, Two-Component Supramolecular Organogels Formed from L-Phenylalanine Derivatives and Aliphatic Amines[J]. 物理化学学报,2014.
APA	钟金莲,潘虹,罗序中,洪三国,张宁,&黄建滨.(2014).L-苯丙氨酸衍生物与脂肪胺构筑双组分超分子凝胶.物理化学学报.
MLA	钟金莲,et al."L-苯丙氨酸衍生物与脂肪胺构筑双组分超分子凝胶".物理化学学报 (2014).