書誌事項
- タイトル別名
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- Preparation of a Transition Metal Containing Polymethylsilsesquioxane Hybrids and Silicon Oxycarbide Ceramics-The Fabrication of Coating and Self-Supported Films-
- —The Fabrication of Coating and Self-Supported Films—
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The simple polymerization of methyltriethoxysilane (MTES) has been achieved by the co-hydrolysis with chemically modified tantalum or niobium alkoxides, at room temperature, within 0.5 h and under a slight catalyst. The addition of the transition metal alkoxides into MTES is found to accelerate the formation of siloxane bonds, which was confirmed by 29Si- nuclear magnetic resonance measurement. The siloxane condensation degree of the obtained sol was found to be approximately 80%. The self-supported crack-free hybrid films could be obtained by using this solution. Crack-free ceramic films of 90 mm diameter and 0.2 mm thickness were also obtained by the pyrolysis of the above-described hybrid films. The solutions could also be used as coating precursors, allowing smooth and homogeneous coating films without cracks or pores to be obtained by the dip coating of sol to the various substrates. The adhesion between the coating films and substrates showed large values even for organic substrates, which was evaluated by a cross cut tape test. Scratch hardness was also high.<br>
収録刊行物
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- Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌)
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Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌) 113 (1315), 210-215, 2005
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390001205248073216
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- NII論文ID
- 110002292281
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- NII書誌ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL書誌ID
- 7270432
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可