Host-guest driven supramolecular assembly of reversible comb-shaped polymers in aqueous solution

被引：50
作者：
Bertrand, Arthur [2 ,3 ]
Stenzel, Martina [1 ]
Fleury, Etienne [2 ,3 ]
Bernard, Julien [2 ,3 ]
机构：
[1] Univ New S Wales, Ctr Adv Macromol Design CAMD, Sch Chem Sci & Engn, Sydney, NSW 2052, Australia
[2] Univ Lyon, F-69003 Lyon, France
[3] INSA Lyon, IMP INSA, CNRS UMR5223, F-69621 Villeurbanne, France
来源：
POLYMER CHEMISTRY | 2012年 / 3卷 / 02期
关键词：
SIDE-CHAIN; BLOCK-COPOLYMERS; HYDROGEN-BONDS; CYCLODEXTRIN; ADAMANTYL; COMPLEXES; CONSTRUCTION; RECOGNITION; INCLUSION; WATER;
D O I：
10.1039/c1py00478f
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We report an original strategy towards supramolecular assembly of reversible comb-shaped polymers in aqueous solution through beta-cyclodextrin-adamantane (beta-CD-Ada) host-guest inclusion. Ada-functionalized poly(acrylic acid) grafts were generated by RAFT polymerization mediated by an adamantane-alpha-functionalized RAFT agent. A beta-CD-grafted backbone was obtained by a two-step procedure: alkyne-functionalized backbones were first generated by RAFT polymerization of trimethylsilyl propargyl methacrylate and subsequently converted in a host system by CuAAC with azide-functionalized beta-CD. The self-assembly between a beta-CD-grafted polymer backbone and Ada-functionalized grafts was highlighted by H-1 2D NOESY NMR in D2O and by DLS. The reversible character of the host-guest association between the complementary macromolecular blocks was demonstrated by DLS through the addition of competing free beta-CD.
引用
收藏
页码：377 / 383
页数：7
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