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RAFT dispersion polymerization of 3-phenylpropyl methacrylate with poly[2-(dimethylamino)ethyl methacrylate] macro-CTAs in ethanol and associated thermoreversible polymorphism

Pei, Y, Dharsana, NC, Van Hensbergen, JA, Burford, RP, Roth, PJ and Lowe, AB (2014) RAFT dispersion polymerization of 3-phenylpropyl methacrylate with poly[2-(dimethylamino)ethyl methacrylate] macro-CTAs in ethanol and associated thermoreversible polymorphism SOFT MATTER, 10 (31). pp. 5787-5796.

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Abstract

The direct synthesis of methacrylic-based soft polymeric nanoparticles via reversible addition– fragmentation chain transfer dispersion polymerization (RAFTDP) is described. The use of poly[2-(dimethylamino)ethyl methacrylate]s, of varying average degree of polymerization ( Xn), as the stabilizing blocks for the RAFTDP of 3-phenylpropyl methacrylate (PPMA) in ethanol at 70 C, at various total solids contents, yielded the full spectrum of self-assembled nanoparticles (spherical and worm aggregates and polymersomes). We also demonstrate that nanoparticle morphology can be tuned simply by controlling temperature. This is especially evident in the case of worm aggregates undergoing a thermoreversible transition to spherical species – a process that is accompanied by a macroscopic degelation–gelation process.

Item Type: Article
Subjects : Chemistry
Divisions : Faculty of Engineering and Physical Sciences > Chemistry
Authors :
AuthorsEmailORCID
Pei, YUNSPECIFIEDUNSPECIFIED
Dharsana, NCUNSPECIFIEDUNSPECIFIED
Van Hensbergen, JAUNSPECIFIEDUNSPECIFIED
Burford, RPUNSPECIFIEDUNSPECIFIED
Roth, PJUNSPECIFIEDUNSPECIFIED
Lowe, ABUNSPECIFIEDUNSPECIFIED
Date : 1 January 2014
Identification Number : 10.1039/c4sm00729h
Copyright Disclaimer : This journal is © The Royal Society of Chemistry 2014
Uncontrolled Keywords : Science & Technology, Physical Sciences, Technology, Chemistry, Physical, Materials Science, Multidisciplinary, Physics, Multidisciplinary, Polymer Science, Chemistry, Materials Science, Physics, CHEMISTRY, PHYSICAL, MATERIALS SCIENCE, MULTIDISCIPLINARY, PHYSICS, MULTIDISCIPLINARY, POLYMER SCIENCE, BLOCK-COPOLYMER MICELLES, POLYELECTROLYTE-STABILIZED NANOPARTICLES, GLASS-TRANSITION TEMPERATURE, ONE-POT SYNTHESIS, MOLECULAR-WEIGHT, IN-SITU, DIBLOCK COPOLYMERS, WORMLIKE MICELLES, NANO-OBJECTS, MORPHOLOGIES
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 27 May 2016 10:35
Last Modified : 27 May 2016 10:35
URI: http://epubs.surrey.ac.uk/id/eprint/810459

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