アルキルトリメトキシシランによるＴｉＯ２の乾式疎水化における固着に及ぼす熱処理の影響

• 佐貫 須美子

  富山大学 工学部物質生命システム工学科

• 星 哲也

  富山大学 工学部物質生命システム工学科

• 好永 俊宏

  チタン工業(株) 研究開発部

書誌事項

タイトル別名

• Effect of Thermal Treatment on Fixation of Alkyltrimetoxysilane (ATMS) for the Endowment of Hydrophobic Property to TiO2 Powder by Dry Method
• アルキルトリメトキシシラン ニ ヨル TiO2 ノ カンシキ ソスイカ ニ オケル コチャク ニ オヨボス ネツ ショリ ノ エイキョウ

抄録

In the present work, the authors studied the effects of thermal treatment temperature and thermal treatment duration on endowment of a hydrophobic property to TiO₂ treated with alkyltrimethoxysilane solutions by a dry method. Also, the relationship between M value, a parameter of hydrophobic property, and fixation of ATMS onto TiO₂ was examined. The main results obtained are as follows :<br>(1) M values of TiO₂ treated with n-BTMS and n-PTMS solutions increase with the increase in time elapsed, in another words, average polymerization degree, and finally reach a stagnant stage. The elevation of thermal treatment temperature and its duration also positively affect the M value of TiO₂. On the other hand, the M value of TiO₂ treated with n-DTMS was kept constant despite the change in thermal treatment conditions.<br>(2) Amounts of fixed n-BTMS or n-PTMS onto TiO₂ treated with these solutions increase with the increase in average polymerization degree. Since M value increases with the elevation of temperature even at the same level of fixation amount of coupling agent, it is assumed that the elevation of temperature affects the condensation onto the TiO₂ surface.<br>(3) ATMS Oligomer of lower molecular weight evaporated during the mixing and thermal treatment processes of TiO₂ and ATMS solutions. This phenomenon was suppressed with the increase in average polymerization degree, resulting in the increase of fixed amount of ATMS onto TiO₂. The decreasing sequence is expressed as n-PTMS>n-BTMS>n-DTMS. However, thermal treatment temperature is almost independent of vaporization amount.<br>

収録刊行物

• 表面技術

  表面技術 57 (8), 584-591, 2006

  一般社団法人 表面技術協会

キーワード

• Fixation of Alkyltrimetoxysilane
• Thermal Treatment
• Hydrophobic Property
• TiO₂ Powder
• Dry Method

詳細情報

• CRID: 1390282679093148160
• NII論文ID: 10018208737
• NII書誌ID: AN1005202X
• DOI: 10.4139/sfj.57.584
• ISSN: 18843409
• ISSN: 09151869
• NDL書誌ID: 8066454
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8066454
• 本文言語コード: ja
• データソース種別:
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  • NDL
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  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可