Elaboration of Thermoresponsive Supramolecular Diblock Copolymers in Water from Complementary CBPQT4+ and TTF End-Functionalized Polymers

被引:14
|
作者
Sambe, Lena [1 ]
Stoffelbach, Francois [2 ]
Poltorak, Katarzyna [2 ]
Lyskawa, Joel [1 ]
Malfait, Aurelie [1 ]
Bria, Marc [1 ]
Cooke, Graeme [3 ]
Woisel, Patrice [1 ]
机构
[1] Univ Lille Nord France, UMET UMR8207, ENSCL, F-59655 Villeneuve Dascq, France
[2] Univ Paris 06, CNRS, UMR 7610, Lab Chim Polymeres, F-94200 Ivry, France
[3] Univ Glasgow, Sch Chem, Glasgow Ctr Phys Organ Chem, WestCHEM, Glasgow G12 8QQ, Lanark, Scotland
关键词
block copolymer; host-guest interaction; thermoresponsive; BLOCK-COPOLYMERS; CLICK CHEMISTRY; POLY(N-ISOPROPYLACRYLAMIDE); TETRATHIAFULVALENE; COMPLEXATION; CYCLOBIS(PARAQUAT-PARA-PHENYLENE); CYCLOBIS(PARAQUAT-P-PHENYLENE); DERIVATIVES; SURFACE;
D O I
10.1002/marc.201300729
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 well-defined poly(N-isopropyl acrylamide) 1 incorporating at one termini a cyclobis(paraquat-p-phenylene) (CBPQT(4+)) recognition unit is prepared via a RAFT polymerization followed by a copper-catalyzed azide-alkyne cycloaddition (CuAAC). H-1 NMR (1D, DOSY), UV-vis and ITC experiments reveal that polymer 1 is able of forming effective host-guest complexes with tetrathiafulvalene (TTF) end-functionalized polymers in water, thereby leading to the formation of non-covalently-linked double-hydrophilic block copolymers. The effect of the temperature on both the LCST phase transition of 1 and its complexes and on CBPQT(4+)/TTF host-guest interactions is investigated.
引用
收藏
页码:498 / 504
页数:7
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