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タイトル: | Interconnected pores on the walls of a polymeric honeycomb monolith structure created by the unidirectional freezing of a binary polymer solution |
著者: | Okaji, Rika Sakashita, Shota Tazumi, Kohei Taki, Kentaro Nagamine, Shinsuke https://orcid.org/0000-0002-9785-1607 (unconfirmed) Ohshima, Masahiro https://orcid.org/0000-0003-0870-5438 (unconfirmed) |
著者名の別形: | 大嶋, 正裕 |
発行日: | Mar-2013 |
出版者: | Springer US |
誌名: | Journal of Materials Science |
巻: | 48 |
号: | 5 |
開始ページ: | 2038 |
終了ページ: | 2045 |
抄録: | Interconnected submicron pores were created on the walls of a honeycomb monolith structure by the unidirectional freezing of a binary polymer solution. Agglomerated globules of polyethylene glycol (PEG) in a binary solution of polystyrene (PS) and PEG in 1, 4-dioxane solvent were frozen unidirectionally in a liquid nitrogen bath. Removing the frozen solvent and the agglomerated globules of PEG by freeze-drying and leaching, respectively, enabled us to create interconnected pores in the PS walls. The combination of PS and PEG was effective in creating interconnected pores in the walls because PS and PEG are poorly soluble in one another. The higher freezing rate and lower PEG weight fraction of the binary solution effectively reduced the pore size in the microtube walls. |
著作権等: | The final publication is available at Springer via http://dx.doi.org/10.1007/s10853-012-6973-2 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/2433/189835 |
DOI(出版社版): | 10.1007/s10853-012-6973-2 |
出現コレクション: | 学術雑誌掲載論文等 |
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