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Multi‐Responsive Supramolecular Double Hydrophilic Diblock Copolymer Driven by Host‐Guest Inclusion Complexation between β ‐Cyclodextrin and Adamantyl Moieties
Author(s) -
Liu Hao,
Zhang Yanfeng,
Hu Jinming,
Li Changhua,
Liu Shiyong
Publication year - 2009
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.200900279
Subject(s) - copolymer , atom transfer radical polymerization , polymer chemistry , supramolecular chemistry , adamantane , cyclodextrin , micelle , methacrylate , chemistry , aqueous solution , radical polymerization , materials science , polymer , organic chemistry , molecule
Well‐defined β ‐CD‐terminated poly( N ‐isopropylacrylamide) ( β ‐ CD ‐PNIPAM) was synthesized via a combination of atom transfer radical polymerization (ATRP) and click chemistry. Moreover, adamantyl‐terminated poly(2‐(diethylamino)ethyl methacrylate) ( Ad ‐PDEA) was synthesized by ATRP using an adamantane‐containing initiator. Host‐guest inclusion complexation between β‐CD and adamantyl moieties drives the formation of supramolecular double hydrophilic block copolymers (DHBC) from β ‐CD‐PNIPAM and Ad ‐PDEA. The obtained supramolecular PNIPAM‐ b ‐PDEA diblock copolymer exhibits intriguing multi‐responsive and reversible micelle‐to‐vesicle transition behavior in aqueous solution by dually playing with solution pH and temperatures.