title: Synthesis and Aggregation Behavior of Multi-Responsive Double Hydrophilic ABC Miktoarm Star Terpolymer.
abstract: We report the first example of the synthesis and the "schizophrenic" micellization behavior of a multi-responsive double hydrophilic ABC miktoarm star terpolymer. A well-defined miktoarm star terpolymer consisting of poly(ethylene glycol), poly(2-(diethylamino)ethyl methacrylate), and poly(N-isopropylacrylamide) arms, PEG(-b-PDEA)-b-PNIPAM, was synthesized via the combination of atom transfer radical polymerization (ATRP) and click reaction. Containing pH-responsive PDEA and thermo-responsive PNIPAM arms, this novel type of miktoarm star terpolymer molecularly dissolves in aqueous solution at acidic pH and room temperature, but supramolecularly self-assembles into PDEA-core micelles at alkaline pH and room temperature, and PNIPAM-core micelles at acidic pH and elevated temperatures. Most importantly, both types of micellar aggregates possess well-solvated hybrid coronas.
authors.affiliation: Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China.
authors.forename: Yanfeng
authors.initials: Y
authors.lastname: Zhang
authors.forename: Hao
authors.initials: H
authors.lastname: Liu
authors.forename: Jinming
authors.initials: J
authors.lastname: Hu
authors.forename: Changhua
authors.initials: C
authors.lastname: Li
authors.forename: Shiyong
authors.initials: S
authors.lastname: Liu