UCST behavior of polyampholytes based on stoichiometric RAFT copolymerization of cationic and anionic monomers

Qilu Zhang; Richard Hoogenboom

doi:10.1039/c4cc07930b

UCST behavior of polyampholytes based on stoichiometric RAFT copolymerization of cationic and anionic monomers

Qilu Zhang
, Richard Hoogenboom

Ghent University

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

Polyampholytes with controlled equimolar ratio of charges were synthesized by reversible addition-fragmentation chain transfer (RAFT) copolymerization of cationic and anionic monomers. The resulting charge-neutral polyampholytes exhibit upper critical solution temperature (UCST) thermoresponsive behavior in ethanol-water and methanol-water solvent mixtures based on electrostatic attraction. Finally, the temperature induced self-assembly of a polyampholyte with oligo(ethylene glycol) side chains into defined nanoparticles below the UCST transition is demonstrated.

Original language	English
Pages (from-to)	70-73
Number of pages	4
Journal	Chemical Communications
Volume	51
Issue number	1
DOIs	https://doi.org/10.1039/c4cc07930b
State	Published - 4 Jan 2015
Externally published	Yes

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abstract = "Polyampholytes with controlled equimolar ratio of charges were synthesized by reversible addition-fragmentation chain transfer (RAFT) copolymerization of cationic and anionic monomers. The resulting charge-neutral polyampholytes exhibit upper critical solution temperature (UCST) thermoresponsive behavior in ethanol-water and methanol-water solvent mixtures based on electrostatic attraction. Finally, the temperature induced self-assembly of a polyampholyte with oligo(ethylene glycol) side chains into defined nanoparticles below the UCST transition is demonstrated.",

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AU - Zhang, Qilu

AU - Hoogenboom, Richard

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PY - 2015/1/4

Y1 - 2015/1/4

N2 - Polyampholytes with controlled equimolar ratio of charges were synthesized by reversible addition-fragmentation chain transfer (RAFT) copolymerization of cationic and anionic monomers. The resulting charge-neutral polyampholytes exhibit upper critical solution temperature (UCST) thermoresponsive behavior in ethanol-water and methanol-water solvent mixtures based on electrostatic attraction. Finally, the temperature induced self-assembly of a polyampholyte with oligo(ethylene glycol) side chains into defined nanoparticles below the UCST transition is demonstrated.

AB - Polyampholytes with controlled equimolar ratio of charges were synthesized by reversible addition-fragmentation chain transfer (RAFT) copolymerization of cationic and anionic monomers. The resulting charge-neutral polyampholytes exhibit upper critical solution temperature (UCST) thermoresponsive behavior in ethanol-water and methanol-water solvent mixtures based on electrostatic attraction. Finally, the temperature induced self-assembly of a polyampholyte with oligo(ethylene glycol) side chains into defined nanoparticles below the UCST transition is demonstrated.

UR - https://www.scopus.com/pages/publications/84915781493

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DO - 10.1039/c4cc07930b

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SP - 70

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JO - Chemical Communications

JF - Chemical Communications

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UCST behavior of polyampholytes based on stoichiometric RAFT copolymerization of cationic and anionic monomers

Abstract

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