NDLI: Synthesis and self-assembly of ABC linear triblock copolymers to target CO<sub>2</sub>-responsive multicompartment micelles

Content Provider	Royal Society of Chemistry (RSC)
Author	He, Shuai Liu, Hanbin Guo, Zanru Yin, Hongyao Feng, Yujun
Copyright Year	2016
Abstract	Multicompartment micelles (MCMs) have advantage in medical applications because of their capability of transporting and releasing two incompatible compounds at one time. However, the achievement of stimulus-responsive MCMs, which is a necessary condition for controlled delivery, is rarely assessed. In this study, a series of ABC linear triblock copolymers were synthesized by a stepwise RAFT polymerization method starting from a macromolecular chain transfer agent containing poly(ethylene oxide) and using monomers of 2,2,3,4,4,4-hexafluorobutyl methacrylate and 2-(diethylamino)ethyl methacrylate to construct other two segments. The block lengths were tailored in order to achieve hierarchical CO2-responsive MCMs. A morphological transition from spheres to MCMs under stimulation of CO2 is finally observed with two copolymers among this series. The volume fraction of each block in the triblock copolymer was calculated and then depicted in a ternary phase diagram, in which a narrow composition window for the CO2-responsive MCMs was suggested. These findings will guide the future design and fabrication of MCMs.
Starting Page	86728
Ending Page	86735
Page Count	8
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	6
Issue Number	89
Journal	RSC Advances
DOI	10.1039/c6ra18826e
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	American Broadcasting Company ABC Chain transfer Phase diagram Living polymerization Inner-composition of the 6th Congress of the Russian Social Democratic Labour Party (Bolsheviks) Ethylene oxide Copolymer
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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