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Structure of Surface-Treated Layer withGlycidoxy-Functional Silane Coupling Agenton Silica Particles
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- Ryota TSUTSUMI
- Department of Applied Chemistry, Osaka Institute of Technology
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- OKADA Shun
- Department of Applied Chemistry, Osaka Institute of Technology
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- FUJII Syuji
- Department of Applied Chemistry, Nanomaterials Microdevices Research Center,Osaka Institute of Technology
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- NAKAMURA Yoshinobu
- Department of Applied Chemistry, Nanomaterials Microdevices Research Center,Osaka Institute of Technology
Bibliographic Information
- Other Title
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- シリカ粒子表面のグリシドキシ基含有シランカップリング剤処理層の構造解析
- シリカ リュウシ ヒョウメン ノ グリシドキシキ ガンユウ シランカップリングザイ ショリソウ ノ コウゾウ カイセキ
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Description
<p>Surface treatment of silica particles with 3-glycidoxypropyltrimethoxysilane( GPTMS) by dry-treatmentmethod was done and the characterization of treated layer by thermogravimetric( TG) measurement wasinvestigated. For this purpose, the TG curves of treated silica and GPTMS oligomer were compared. The TGcurve of treated silica showed three-steps weight losses. The 1st-step decreased whereas the 2nd- and 3rdstepsincreased with the increase of stored days at room temperature after surface treatment. After the alcoholwashing, the TG curve became only 3rd-step and the quantity of 3rd-step decreased by washing. The oligomerwas prepared by heating of GPTMS/water mixture. After sufficient heating, the TG curve of oligomer showedonly 3rd-step. By comparing of TG curves for treated and oligomer, each step of TG curve for treated silicawas estimated as folloes: The 1st-step is the evaporation of monomeric GPTMS without any interaction withsurface. The 2nd-step is the physisorbed monomeric GPTMS formed hydrogen bonding with surface. The 3rdstepis the chemisorbed and physisorbed silane oligomer and chemisorbed monomeric GPTMS. It was foundthat the comparison of TG curves of treated particle before and after washing is useful for the characterizationand quantification of various adsorption states of silane on particle surface.</p>
Journal
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- Journal of The Adhesion Society of Japan
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Journal of The Adhesion Society of Japan 54 (9), 324-330, 2018-09-01
The Adhesion Society of Japan
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Details 詳細情報について
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- CRID
- 1390001288093702912
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- NII Article ID
- 130007519838
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- NII Book ID
- AN10341672
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- ISSN
- 21874816
- 09164812
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- NDL BIB ID
- 029269128
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- Abstract License Flag
- Disallowed