Study on structure of water in PMEA and PHEMA and there copolymers by 2H solid-state NMR

Yuko Miwa; Hiroyuki Ishida; Akira Mochizuki; Masaru Tanaka

Study on structure of water in PMEA and PHEMA and there copolymers by ²H solid-state NMR

Yuko Miwa, Hiroyuki Ishida, Akira Mochizuki, Masaru Tanaka

Research output: Contribution to conference › Paper › peer-review

Abstract

The states of water in PMEA and PHEMA were studied by using solid-state ²H-NMR. In order to investigate the behavior of water in PMEA, PHEMA, and their coploymeres, the temperature dependence (from -60 °C to 37°C) of ²H-NMR spectra and relaxation times were observed for the polymers with various contents of water. From the results of T₁ the followings are concluded. The mobility of water molecule is high and hardly influenced by the water content in PMEA, while it depends strongly on the water content in PHEMA. In the range under 20% of the water content, the water in PHEMA is strongly bounded to the polymer.

Original language	English
Number of pages	1
Publication status	Published - Oct 18 2006
Externally published	Yes
Event	55th SPSJ Annual Meeting - Nagoya, Japan Duration: May 24 2006 → May 26 2006

Other

Other	55th SPSJ Annual Meeting
Country	Japan
City	Nagoya
Period	5/24/06 → 5/26/06

All Science Journal Classification (ASJC) codes

Engineering(all)

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@conference{0ce67f4f3fa54e7e8163b3de52227ad5,

title = "Study on structure of water in PMEA and PHEMA and there copolymers by 2H solid-state NMR",

abstract = "The states of water in PMEA and PHEMA were studied by using solid-state 2H-NMR. In order to investigate the behavior of water in PMEA, PHEMA, and their coploymeres, the temperature dependence (from -60 °C to 37°C) of 2H-NMR spectra and relaxation times were observed for the polymers with various contents of water. From the results of T1 the followings are concluded. The mobility of water molecule is high and hardly influenced by the water content in PMEA, while it depends strongly on the water content in PHEMA. In the range under 20% of the water content, the water in PHEMA is strongly bounded to the polymer.",

author = "Yuko Miwa and Hiroyuki Ishida and Akira Mochizuki and Masaru Tanaka",

year = "2006",

month = oct,

day = "18",

language = "English",

note = "55th SPSJ Annual Meeting ; Conference date: 24-05-2006 Through 26-05-2006",

}

TY - CONF

T1 - Study on structure of water in PMEA and PHEMA and there copolymers by 2H solid-state NMR

AU - Miwa, Yuko

AU - Ishida, Hiroyuki

AU - Mochizuki, Akira

AU - Tanaka, Masaru

PY - 2006/10/18

Y1 - 2006/10/18

N2 - The states of water in PMEA and PHEMA were studied by using solid-state 2H-NMR. In order to investigate the behavior of water in PMEA, PHEMA, and their coploymeres, the temperature dependence (from -60 °C to 37°C) of 2H-NMR spectra and relaxation times were observed for the polymers with various contents of water. From the results of T1 the followings are concluded. The mobility of water molecule is high and hardly influenced by the water content in PMEA, while it depends strongly on the water content in PHEMA. In the range under 20% of the water content, the water in PHEMA is strongly bounded to the polymer.

AB - The states of water in PMEA and PHEMA were studied by using solid-state 2H-NMR. In order to investigate the behavior of water in PMEA, PHEMA, and their coploymeres, the temperature dependence (from -60 °C to 37°C) of 2H-NMR spectra and relaxation times were observed for the polymers with various contents of water. From the results of T1 the followings are concluded. The mobility of water molecule is high and hardly influenced by the water content in PMEA, while it depends strongly on the water content in PHEMA. In the range under 20% of the water content, the water in PHEMA is strongly bounded to the polymer.

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UR - http://www.scopus.com/inward/citedby.url?scp=33749664398&partnerID=8YFLogxK

M3 - Paper

AN - SCOPUS:33749664398

T2 - 55th SPSJ Annual Meeting

Y2 - 24 May 2006 through 26 May 2006