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

Minwoo Noh; Sunah Kang; Yeongbong Mok; So Jung Choi; Jeongseon Park; Jannick Kingma; Ji Hun Seo; Yan Lee

doi:10.1039/c5cc08005c

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

Minwoo Noh, Sunah Kang, Yeongbong Mok, So Jung Choi, Jeongseon Park, Jannick Kingma, Ji Hun Seo, Yan Lee

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

23 Citations (Scopus)

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.

Original language	English
Pages (from-to)	509-512
Number of pages	4
Journal	Chemical Communications
Volume	52
Issue number	3
DOIs	https://doi.org/10.1039/c5cc08005c
Publication status	Published - 2016 Jan 11

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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

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.",

author = "Minwoo Noh and Sunah Kang and Yeongbong Mok and Choi, {So Jung} and Jeongseon Park and Jannick Kingma and Seo, {Ji Hun} and Yan Lee",

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T1 - Upper critical solution temperature (UCST) phase transition of halide salts of branched polyethylenimine and methylated branched polyethylenimine in aqueous solutions

AU - Noh, Minwoo

AU - Kang, Sunah

AU - Mok, Yeongbong

AU - Choi, So Jung

AU - Park, Jeongseon

AU - Kingma, Jannick

AU - Seo, Ji Hun

AU - Lee, Yan

N1 - Funding Information: This work was supported by the GAIA project (G113-00055-3004-0) funded by Ministry of Environment, Korea, and the grant of the Korea Health Technology R&D Project (HI14C2310) funded by the Ministry of Health & Welfare, Korea. Publisher Copyright: © The Royal Society of Chemistry 2016.

PY - 2016/1/11

Y1 - 2016/1/11

N2 - 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.

AB - 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.

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

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