Steric Effects and Competitive Intra- and Intermolecular Host-Guest Complexation Between Beta-Cyclodextrin and Adamantyl Substituted Poly(acrylate)s in Water: A 1H NMR, Rheological and Preparative Study

被引：7

作者：

Guo, Xuhong ^{[1
]}

Wang, Jie ^{[1
]}

Li, Li ^{[1
]}

Pham, Duc-Truc ^{[2
]}

Clements, Philip ^{[2
]}

Lincoln, Stephen F. ^{[2
]}

May, Bruce L. ^{[2
]}

Chen, Qingchuan ^{[1
]}

Zheng, Li ^{[1
]}

Prud'homme, Robert K. ^{[3
]}

机构：

[1] E China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China

[2] Univ Adelaide, Sch Chem & Phys, Adelaide, SA 5005, Australia

[3] Princeton Univ, Dept Chem Engn, Princeton, NJ 08544 USA

来源：

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2010年 / 48卷 / 16期

基金：

澳大利亚研究理事会;

关键词：

beta-cyclodextrin; host-guest complexation; NMR; poly(acrylate); rheology; SUPRAMOLECULAR POLYMERS; ALPHA-CYCLODEXTRIN; INCLUSION; NETWORKS; ACID; ASSOCIATIONS; HYDROGEL; ISOMERS; DIMERS;

D O I：

10.1002/polb.22052

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A H-1 NMR and rheological study of host-guest complexation interactions between three beta-cyclodextrin and three adamantyl substituted poly(acrylate)s, and also between them and adamantan-1-carboxylate and native beta-cyclodextrin, respectively, is reported. A close correllation between molecular level interactions and macroscopic characteristics of polymer networks in aqueous solution exists. It is found that intra- and intermolecular host-guest complexation between the host beta-cyclodextrin and guest adamantyl substituents and the length of the aliphatic tether between them and the poly(acrylate) backbone have important roles. Dominantly, steric effects and competitive intra- and intermolecular host-guest complexation are found to control poly(acrylate) isomeric interstrand linkage in polymer network formation. The preparations of five new 3% randomly substituted poly(acrylate)s are reported. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 48: 1818-1825, 2010

引用

页码：1818 / 1825

页数：8

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