Issue 3, 2016
From the journal:

Chemical Communications

Upper critical solution temperature (UCST) phase transition of halide salts of branched polyethylenimine and methylated branched polyethylenimine in aqueous solutions†

Minwoo Noh,a   Sunah Kang,a   Yeongbong Mok,a   So Jung Choi,a   Jeongseon Park,a   Jannick Kingma,a   Ji-Hun Seob  and  Yan Lee*a  

* Corresponding authors

a Department of Chemistry, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul 151-747, Republic of Korea
E-mail: gacn@snu.ac.kr

b Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 136-701, Republic of Korea

Abstract

The upper critical solution temperature (UCST) phase transition of halide salts of branched polyethylenimine (PEI) and methylated branched polyethylenimine (MPEI) is first reported in aqueous solutions. In particular, iodide counter-ions can introduce UCST properties in MPEI. The importance of the counter-ion composition of MPEI for UCST transition is discussed in detail.

Graphical abstract: Upper critical solution temperature (UCST) phase transition of halide salts of branched polyethylenimine and methylated branched polyethylenimine in aqueous solutions

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Article information

DOI
https://doi.org/10.1039/C5CC08005C
Article type
Communication
Submitted
24 Sep 2015
Accepted
26 Oct 2015
First published
26 Oct 2015

Chem. Commun., 2016,52, 509-512

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Upper critical solution temperature (UCST) phase transition of halide salts of branched polyethylenimine and methylated branched polyethylenimine in aqueous solutions

M. Noh, S. Kang, Y. Mok, S. J. Choi, J. Park, J. Kingma, J. Seo and Y. Lee, Chem. Commun., 2016, 52, 509 DOI: 10.1039/C5CC08005C

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