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タイトル: Influence of polymer molecular weight on the properties of in situ synthesized silver–methylcellulose nanocomposite films with a CO₂ laser
著者: Nishikawa, Hayato
Nakata, Eiji  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-9564-6805 (unconfirmed)
Nakano, Shun
Nakajima, Takashi
Morii, Takashi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-3663-3267 (unconfirmed)
著者名の別形: 中田, 栄司
仲野, 瞬
中嶋, 隆
森井, 孝
発行日: Feb-2020
出版者: Springer Nature
誌名: Journal of Materials Science
巻: 55
開始ページ: 2090
終了ページ: 2100
抄録: We investigate the influence of polymer molecular weight on the properties of silver–methylcellulose (Ag–MC) nanocomposite films synthesized by the irradiation of a CO₂ laser. Although the reduction power of MC with a smaller molecular weight turns out to be stronger than that with a larger molecular weight in the solution phase, we do not see such a clear difference when MC is in the matrix phase. For the 30 s irradiation at the laser power of 0.8 W, the size of Ag nanoparticles (NPs) in the two types of MC matrix is similar, and it is about 30 nm. However, for the longer irradiation time at the same laser power, aggregation of Ag NPs set in, and it is more serious for the Ag–MC film with MC of larger molecular weight. We also carry out the antibacterial test with the Ag–MC films, and find that the Ag–MC film synthesized at the lower laser power and shorter irradiation time generally exhibits a stronger antibacterial effect.
著作権等: This is a post-peer-review, pre-copyedit version of an article published in Journal of Materials Science. The final authenticated version is available online at: http://dx.doi.org/10.1007/s10853-019-04149-5.
This is not the published version. Please cite only the published version.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/259207
DOI(出版社版): 10.1007/s10853-019-04149-5
出現コレクション:学術雑誌掲載論文等

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