Functionalized mesoporous silica/polyimide nanocomposite thin films with improved mechanical properties and low dielectric constant
A series of composite thin films composed of mesoporous silica (SBA-15) filled in polyimide were synthesized. The effect of SBA-15 modified with functional group of octyltrimethoxysilane (OTMS) or 3-aminopropyl trimethoxy silane (ATS) on the mechanical and dielectric properties as well as the therma...
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| Veröffentlicht in: | Composites science and technology 2008-05, Vol.68 (6), p.1570-1578 |
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| container_title | Composites science and technology |
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| creator | Min, Chun-Kuo Wu, Tai-Bor Yang, Wei-Ta Chen, Chi-Lun |
| description | A series of composite thin films composed of mesoporous silica (SBA-15) filled in polyimide were synthesized. The effect of SBA-15 modified with functional group of octyltrimethoxysilane (OTMS) or 3-aminopropyl trimethoxy silane (ATS) on the mechanical and dielectric properties as well as the thermal stability of thin films were investigated. The tensile strength and elongation of the composite films containing SBA-15 modified with ATS were higher than those with OTMS and pristine SBA-15. The dielectric constant was significantly reduced with increasing SBA-15 modified with ATS. The result indicates that the composite materials are potentially useful in radio-frequency/microwave substrate materials. |
| doi_str_mv | 10.1016/j.compscitech.2007.09.021 |
| format | Article |
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The effect of SBA-15 modified with functional group of octyltrimethoxysilane (OTMS) or 3-aminopropyl trimethoxy silane (ATS) on the mechanical and dielectric properties as well as the thermal stability of thin films were investigated. The tensile strength and elongation of the composite films containing SBA-15 modified with ATS were higher than those with OTMS and pristine SBA-15. The dielectric constant was significantly reduced with increasing SBA-15 modified with ATS. The result indicates that the composite materials are potentially useful in radio-frequency/microwave substrate materials.</description><identifier>ISSN: 0266-3538</identifier><identifier>EISSN: 1879-1050</identifier><identifier>DOI: 10.1016/j.compscitech.2007.09.021</identifier><identifier>CODEN: CSTCEH</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>A. Nanocomposite ; Applied sciences ; B. Dielectric constant ; B. Mechanic properties ; B. 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The effect of SBA-15 modified with functional group of octyltrimethoxysilane (OTMS) or 3-aminopropyl trimethoxy silane (ATS) on the mechanical and dielectric properties as well as the thermal stability of thin films were investigated. The tensile strength and elongation of the composite films containing SBA-15 modified with ATS were higher than those with OTMS and pristine SBA-15. The dielectric constant was significantly reduced with increasing SBA-15 modified with ATS. The result indicates that the composite materials are potentially useful in radio-frequency/microwave substrate materials.</description><subject>A. Nanocomposite</subject><subject>Applied sciences</subject><subject>B. Dielectric constant</subject><subject>B. Mechanic properties</subject><subject>B. 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| ispartof | Composites science and technology, 2008-05, Vol.68 (6), p.1570-1578 |
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| source | Elsevier ScienceDirect Journals |
| subjects | A. Nanocomposite Applied sciences B. Dielectric constant B. Mechanic properties B. Thermal properties Composites Exact sciences and technology Forms of application and semi-finished materials Polymer industry, paints, wood Technology of polymers |
| title | Functionalized mesoporous silica/polyimide nanocomposite thin films with improved mechanical properties and low dielectric constant |
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