A study of molecular motion of PVA/water system by high-pressure 1H pulse-NMR method
Publication type: Journal Article
Publication date: 1998-10-01
Pharmaceutical Science
General Chemical Engineering
Polymers and Plastics
Abstract
The 1 H spin–spin relaxation times ( T 2 ) of poly(vinyl alcohol) (PVA) aqueous solution and PVA gel were measured by pulse 1 H NMR under pressures from 1 to 500 kg/cm 2 , in order to elucidate dynamics of PVA in aqueous solution and in gel phase by changes of pressure, which lead to changes of intermolecular interactions. From the experimental results on PVA aqueous solution, it was found that there exist two kinds of PVA components with different molecular motion. The molecular motion in the mobile component is sensitive to pressure and, on the other hand, the molecular motion in the immobile component is not sensitive to pressure. The gelation of PVA aqueous solution is induced by applying pressure.
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KOBAYASHI M., KANEKIYO M., Ando I. A study of molecular motion of PVA/water system by high-pressure 1H pulse-NMR method // Polymer Gels and Networks. 1998. Vol. 6. No. 5. pp. 347-354.
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KOBAYASHI M., KANEKIYO M., Ando I. A study of molecular motion of PVA/water system by high-pressure 1H pulse-NMR method // Polymer Gels and Networks. 1998. Vol. 6. No. 5. pp. 347-354.
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RIS
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TY - JOUR
DO - 10.1016/S0966-7822(98)00023-9
UR - https://doi.org/10.1016/S0966-7822(98)00023-9
TI - A study of molecular motion of PVA/water system by high-pressure 1H pulse-NMR method
T2 - Polymer Gels and Networks
AU - KOBAYASHI, MASATOSHI
AU - KANEKIYO, Masahito
AU - Ando, Isao
PY - 1998
DA - 1998/10/01
PB - Elsevier
SP - 347-354
IS - 5
VL - 6
SN - 0966-7822
ER -
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BibTex (up to 50 authors)
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@article{1998_KOBAYASHI,
author = {MASATOSHI KOBAYASHI and Masahito KANEKIYO and Isao Ando},
title = {A study of molecular motion of PVA/water system by high-pressure 1H pulse-NMR method},
journal = {Polymer Gels and Networks},
year = {1998},
volume = {6},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016/S0966-7822(98)00023-9},
number = {5},
pages = {347--354},
doi = {10.1016/S0966-7822(98)00023-9}
}
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MLA
Copy
KOBAYASHI, MASATOSHI, et al. “A study of molecular motion of PVA/water system by high-pressure 1H pulse-NMR method.” Polymer Gels and Networks, vol. 6, no. 5, Oct. 1998, pp. 347-354. https://doi.org/10.1016/S0966-7822(98)00023-9.