| アイテムタイプ |
学術雑誌論文 / Journal Article(1) |
| 公開日 |
2025-07-30 |
| 日付 |
|
|
日付 |
2026-01-18 |
|
日付タイプ |
Available |
| タイトル |
|
|
タイトル |
Chemically bound hydrophobic modification in hydrogel surface layer using poly(N-vinylamide)s |
| 言語 |
|
|
言語 |
eng |
| 資源タイプ |
|
|
資源タイプ |
journal article |
| アクセス権 |
|
|
アクセス権 |
embargoed access |
| 著者 |
吉田, 裕安材
Kikukawa, Tsurugi
Matsuba, Go
網代, 広治
|
| 抄録 |
|
|
内容記述タイプ |
Abstract |
|
内容記述 |
The novel hydrophobic surface modification of hydrogel structure, referred to as organohydrogel, was firstly achieved through the utilization of poly(N-vinylamide)s hydrogels, taking advantage of the property of polycation precursor. Following the shrinkage of poly(N-acetamide-co-N-vinylformamide), only the surface moiety was subjected to hydrolysis. Subsequently, a radical initiator was chemically tethered to the amino groups on the hydrogel surface to facilitate atom transfer radical polymerization (ATRP) of hydrophobic monomer, phenylethylacrylate. Hydrophobic layer characteristics were differentiated by varying hydrolysis time (xt) and ATRP time (yt), resulting in the creation of hydrophobic surface-modified gel (HSMgel). All HSMgels resulted in stable swelling ratio (S.R.) regardless of yt. The contact angle of water droplets increased gradually with both increasing xt and yt, from 17.6° to 91.9°, while maintaining a relatively constant S.R. The drying process of hydrophobic surface-modified HSMgels was accelerated, while that of precursor hydrophilic gels was delayed. These unique properties stemmed from the chemical structure of poly(N-vinylamide)s, which led to the formation of a chemically bound hydrophobic layer within the hydrogels. |
| 書誌情報 |
en : Polymer
巻 294,
ページ数 7,
発行日 2024-02-16
|
| 出版者 |
|
|
出版者 |
Elsevier |
| ISSN |
|
|
収録物識別子タイプ |
EISSN |
|
収録物識別子 |
1873-2291 |
| 出版者版DOI |
|
|
関連タイプ |
isVersionOf |
|
|
識別子タイプ |
DOI |
|
|
関連識別子 |
https://doi.org/10.1016/j.polymer.2024.126695 |
| 出版者版URI |
|
|
関連タイプ |
isVersionOf |
|
|
識別子タイプ |
URI |
|
|
関連識別子 |
https://www.sciencedirect.com/science/article/pii/S0032386124000302 |
| 権利 |
|
|
権利情報Resource |
https://creativecommons.org/licenses/by-nc-nd/4.0/ |
|
権利情報 |
$00A9 2024 Elsevier Ltd. All rights reserved. 出版社許諾条件により、本文は2026年1月18日以降に公開。 |
| 著者版フラグ |
|
|
出版タイプ |
AM |
| 助成情報 |
|
|
|
助成機関名 |
Japan Society for the Promotion of Science (JSPS) |
|
|
研究課題番号 |
JP22H04547 |
|
|
研究課題番号URI |
https://kaken.nii.ac.jp/grant/KAKENHI-PUBLICLY-22H04547/ |
|
|
研究課題名 |
N-ビニルアミドに特徴的な水和挙動解析と化学結合型表面修飾による新規ゲル材料創出 |
| 助成情報 |
|
|
|
助成機関名 |
Japan Society for the Promotion of Science (JSPS) |
|
|
研究課題番号 |
JP19H05721 |
|
|
研究課題番号URI |
https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-19H05721/ |
|
|
研究課題名 |
水圏機能材料のメカノ機能開拓 |
fulltext (1.4 MB)
