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PPG-TDI-BDポリウレタン網目の分析
http://hdl.handle.net/10069/23990
http://hdl.handle.net/10069/23990870bd5aa-6e41-41d3-8397-3fafda38d81d
名前 / ファイル | ライセンス | アクション |
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kogaku00_15_13.pdf (426.0 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-09-17 | |||||
タイトル | ||||||
タイトル | PPG-TDI-BDポリウレタン網目の分析 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
古川, 睦久
× 古川, 睦久 |
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著者別名 | ||||||
姓名 | Furukawa, Mutsuhisa | |||||
その他のタイトル | ||||||
その他のタイトル | Analysis of Polyurethane Networks prepared from PPG-TDI-BD | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Methods for the determination of the degree of crosslinking and the number of effective chains per unit volume in polyurethane networks have been described. The methods are as follws; 1) calculation from stoichiometry, 2) calculation from molecular weight of linear polyurethanes which were obtained by the degradation of crosslink site of cured polyurethane, 3) calculation from amine degradation, and 4) calculation from Young's modulus. The allophanate-cured polyurethanes prepared from PPG, TDI, and 1, 4-butanediol have been used as model networks in order to ascertain the validity of these methods. The parameters of network structure calculated from the experimental methods are lower than those from stoichiometry. The parameters calculated from method 2 and 3 were fairly close to those from Young's moduli. The properties of the primary chains which were the starting and the intermediate materials for preparing polyurethane networks have been studied with GPC, HPLC, IR, and UV. | |||||
書誌情報 |
長崎大学工学部研究報告 en : Reports of the Faculty of Engineering, Nagasaki University 号 15, p. 95-100, 発行日 1980-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18805574 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178418 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 長崎大学工学部 | |||||
出版者別言語 | ||||||
Faculty of Engineering, Nagasaki University | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学工学部研究報告, (15), pp.95-100; 1980 |