Preparation and characteristics of polyimide/CaMoO^sub 4^ nanocomposites with enhanced dielectric performance and thermal stability
The polyimide/CaMoO4 nanocomposites were successfully prepared by ex-situ polymerization. (3-Aminopropyl) triethoxysilane (KH550) was used as coupling agent to disperse the CaMoO4 nanoparticles in polyimide matrix homogeneously. To characterize the structure and properties of the obtained nanocompos...
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| Veröffentlicht in: | Journal of materials science. Materials in electronics 2017-04, Vol.28 (7), p.5215 |
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| creator | Wang, Xiuyu Chen, Tongning Li, Mingxiu Ding, Bonan Liu, Yanpeng Zhang, Hao Liao, Jianwen |
| description | The polyimide/CaMoO4 nanocomposites were successfully prepared by ex-situ polymerization. (3-Aminopropyl) triethoxysilane (KH550) was used as coupling agent to disperse the CaMoO4 nanoparticles in polyimide matrix homogeneously. To characterize the structure and properties of the obtained nanocomposites, Scanning electron microscope, Fourier transform infrared spectroscopy, X-ray diffraction, dielectric properties and thermal stability were studied. It was observed that the CaMoO4 nanoparticles were dispersed homogeneously in the polyimide matrix without obvious aggregation. The results show that nano-sized CaMoO4 will improve dielectric constant and decrease dielectric loss of the nanocomposites in the relatively high-frequency region (>10 kHz). And the nanocomposite with excellent dielectric properties of [straight epsilon]=3.04, δ=8.0×10-3 was obtained after doping 2.5 wt% nano-sized CaMoO4 into polyimides. Dielectric loss of the nanocomposites is reduced in low frequency domain (10 kHz). In addition, the thermal stability of the nanocomposites was enhanced from 544 to 651°C compared to pure polyimide. |
| doi_str_mv | 10.1007/s10854-016-6178-6 |
| format | Article |
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(3-Aminopropyl) triethoxysilane (KH550) was used as coupling agent to disperse the CaMoO4 nanoparticles in polyimide matrix homogeneously. To characterize the structure and properties of the obtained nanocomposites, Scanning electron microscope, Fourier transform infrared spectroscopy, X-ray diffraction, dielectric properties and thermal stability were studied. It was observed that the CaMoO4 nanoparticles were dispersed homogeneously in the polyimide matrix without obvious aggregation. The results show that nano-sized CaMoO4 will improve dielectric constant and decrease dielectric loss of the nanocomposites in the relatively high-frequency region (>10 kHz). And the nanocomposite with excellent dielectric properties of [straight epsilon]=3.04, δ=8.0×10-3 was obtained after doping 2.5 wt% nano-sized CaMoO4 into polyimides. Dielectric loss of the nanocomposites is reduced in low frequency domain (<10 kHz) and enhanced in high frequency domain (>10 kHz). In addition, the thermal stability of the nanocomposites was enhanced from 544 to 651°C compared to pure polyimide.</description><identifier>ISSN: 0957-4522</identifier><identifier>EISSN: 1573-482X</identifier><identifier>DOI: 10.1007/s10854-016-6178-6</identifier><language>eng</language><publisher>New York: Springer Nature B.V</publisher><ispartof>Journal of materials science. Materials in electronics, 2017-04, Vol.28 (7), p.5215</ispartof><rights>Journal of Materials Science: Materials in Electronics is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Wang, Xiuyu</creatorcontrib><creatorcontrib>Chen, Tongning</creatorcontrib><creatorcontrib>Li, Mingxiu</creatorcontrib><creatorcontrib>Ding, Bonan</creatorcontrib><creatorcontrib>Liu, Yanpeng</creatorcontrib><creatorcontrib>Zhang, Hao</creatorcontrib><creatorcontrib>Liao, Jianwen</creatorcontrib><title>Preparation and characteristics of polyimide/CaMoO^sub 4^ nanocomposites with enhanced dielectric performance and thermal stability</title><title>Journal of materials science. Materials in electronics</title><description>The polyimide/CaMoO4 nanocomposites were successfully prepared by ex-situ polymerization. (3-Aminopropyl) triethoxysilane (KH550) was used as coupling agent to disperse the CaMoO4 nanoparticles in polyimide matrix homogeneously. To characterize the structure and properties of the obtained nanocomposites, Scanning electron microscope, Fourier transform infrared spectroscopy, X-ray diffraction, dielectric properties and thermal stability were studied. It was observed that the CaMoO4 nanoparticles were dispersed homogeneously in the polyimide matrix without obvious aggregation. The results show that nano-sized CaMoO4 will improve dielectric constant and decrease dielectric loss of the nanocomposites in the relatively high-frequency region (>10 kHz). And the nanocomposite with excellent dielectric properties of [straight epsilon]=3.04, δ=8.0×10-3 was obtained after doping 2.5 wt% nano-sized CaMoO4 into polyimides. Dielectric loss of the nanocomposites is reduced in low frequency domain (<10 kHz) and enhanced in high frequency domain (>10 kHz). In addition, the thermal stability of the nanocomposites was enhanced from 544 to 651°C compared to pure polyimide.</description><issn>0957-4522</issn><issn>1573-482X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqNjb1OwzAUhS0EEuHnAdiuxGxqJ85P5wrEgsrAwNTKdW6UWyV28HWEOvPiBMQDMB195zvSEeJOqwetVL1irZrSSKUrWem6kdWZyHRZF9I0-fu5yNS6rKUp8_xSXDEflVKVKZpMfL1GnGy0iYIH61tw_UIuYSRO5BhCB1MYTjRSi6uNfQnbHc8HMDvw1gcXxikwJWT4pNQD-t56hy20hAO6FMnBhLELcfzpfx9SjwsNwMkeaKB0uhEXnR0Yb__yWtw_Pb5tnuUUw8eMnPbHMEe_qL1u6koblZfr4n-rbwrRWdk</recordid><startdate>20170401</startdate><enddate>20170401</enddate><creator>Wang, Xiuyu</creator><creator>Chen, Tongning</creator><creator>Li, Mingxiu</creator><creator>Ding, Bonan</creator><creator>Liu, Yanpeng</creator><creator>Zhang, Hao</creator><creator>Liao, Jianwen</creator><general>Springer Nature B.V</general><scope>7SP</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>F28</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>S0W</scope></search><sort><creationdate>20170401</creationdate><title>Preparation and characteristics of polyimide/CaMoO^sub 4^ nanocomposites with enhanced dielectric performance and thermal stability</title><author>Wang, Xiuyu ; Chen, Tongning ; Li, Mingxiu ; Ding, Bonan ; Liu, Yanpeng ; Zhang, Hao ; Liao, Jianwen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_18761402593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Xiuyu</creatorcontrib><creatorcontrib>Chen, Tongning</creatorcontrib><creatorcontrib>Li, Mingxiu</creatorcontrib><creatorcontrib>Ding, Bonan</creatorcontrib><creatorcontrib>Liu, Yanpeng</creatorcontrib><creatorcontrib>Zhang, Hao</creatorcontrib><creatorcontrib>Liao, Jianwen</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>DELNET Engineering & Technology Collection</collection><jtitle>Journal of materials science. Materials in electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Xiuyu</au><au>Chen, Tongning</au><au>Li, Mingxiu</au><au>Ding, Bonan</au><au>Liu, Yanpeng</au><au>Zhang, Hao</au><au>Liao, Jianwen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation and characteristics of polyimide/CaMoO^sub 4^ nanocomposites with enhanced dielectric performance and thermal stability</atitle><jtitle>Journal of materials science. Materials in electronics</jtitle><date>2017-04-01</date><risdate>2017</risdate><volume>28</volume><issue>7</issue><spage>5215</spage><pages>5215-</pages><issn>0957-4522</issn><eissn>1573-482X</eissn><abstract>The polyimide/CaMoO4 nanocomposites were successfully prepared by ex-situ polymerization. (3-Aminopropyl) triethoxysilane (KH550) was used as coupling agent to disperse the CaMoO4 nanoparticles in polyimide matrix homogeneously. To characterize the structure and properties of the obtained nanocomposites, Scanning electron microscope, Fourier transform infrared spectroscopy, X-ray diffraction, dielectric properties and thermal stability were studied. It was observed that the CaMoO4 nanoparticles were dispersed homogeneously in the polyimide matrix without obvious aggregation. The results show that nano-sized CaMoO4 will improve dielectric constant and decrease dielectric loss of the nanocomposites in the relatively high-frequency region (>10 kHz). And the nanocomposite with excellent dielectric properties of [straight epsilon]=3.04, δ=8.0×10-3 was obtained after doping 2.5 wt% nano-sized CaMoO4 into polyimides. Dielectric loss of the nanocomposites is reduced in low frequency domain (<10 kHz) and enhanced in high frequency domain (>10 kHz). In addition, the thermal stability of the nanocomposites was enhanced from 544 to 651°C compared to pure polyimide.</abstract><cop>New York</cop><pub>Springer Nature B.V</pub><doi>10.1007/s10854-016-6178-6</doi></addata></record> |
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| title | Preparation and characteristics of polyimide/CaMoO^sub 4^ nanocomposites with enhanced dielectric performance and thermal stability |
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