DC Field | Value | Language |
---|---|---|
dc.contributor.author | Akhter, Toheed | ko |
dc.contributor.author | Saeed, Shaukat | ko |
dc.contributor.author | Siddiqi, Humaira Masood | ko |
dc.contributor.author | Park, OOk | ko |
dc.contributor.author | Ali, Ghafar | ko |
dc.date.accessioned | 2014-09-01T07:44:11Z | - |
dc.date.available | 2014-09-01T07:44:11Z | - |
dc.date.created | 2014-01-13 | - |
dc.date.created | 2014-01-13 | - |
dc.date.issued | 2013-12 | - |
dc.identifier.citation | JOURNAL OF POLYMER RESEARCH, v.21, no.1 | - |
dc.identifier.issn | 1022-9760 | - |
dc.identifier.uri | http://hdl.handle.net/10203/189340 | - |
dc.description.abstract | We report synthesis of a novel diamine 1,2-bis(4-(Hydrazonomethyl)phenoxy)ethane (bis- HPE) and a derived novel polyimide. The diamine was reacted with PMDA and ODA to synthesize copolyimide. Unmodified and modified silica particles were dispersed in the polyimide to prepare polyimide-silica hybrids: (a) unmodified (PSH-UM), and (b) modified (PSH-M). The PSH-UM were prepared by generating silica particles in situ in PI. In PSH-M, structural group identical to PI, 2,6- bis(3-(triethoxysilyl)propyl)pyrrolo[3,4-f]isoindole-1,3,5,7(2H,6H)-tetraone was introduced into silica nano-particles. The structural similarity enhanced compatibility between organic-inorganic components by like-like chemical interactions as both contain flexible alkyl groups. PSH-M have shown improved surface smoothness, hydrophobicity and thermal stability. Such properties are mandatory for stable coatings. The structure of silica and PI was affirmed by FTIR, EDX, and solid-state 29Si NMR spectroscopy. Morphological and thermal properties of the prepared PI-SiO2 nano-composites were investigated by field emission scanning electron microscopy, atomic force microscopy, contact angle measurement and thermogravimetric analysis. | - |
dc.language | English | - |
dc.publisher | SPRINGER | - |
dc.subject | MECHANICAL-PROPERTIES | - |
dc.subject | THERMAL-STABILITY | - |
dc.subject | HYBRID MATERIALS | - |
dc.subject | FILMS | - |
dc.subject | MORPHOLOGY | - |
dc.subject | ALKOXYSILANE | - |
dc.subject | COMPOSITES | - |
dc.title | Synthesis and characterization of novel coatable polyimide-silica nanocomposites | - |
dc.type | Article | - |
dc.identifier.wosid | 000328339800001 | - |
dc.identifier.scopusid | 2-s2.0-84889245914 | - |
dc.type.rims | ART | - |
dc.citation.volume | 21 | - |
dc.citation.issue | 1 | - |
dc.citation.publicationname | JOURNAL OF POLYMER RESEARCH | - |
dc.identifier.doi | 10.1007/s10965-013-0332-0 | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Park, OOk | - |
dc.contributor.nonIdAuthor | Akhter, Toheed | - |
dc.contributor.nonIdAuthor | Saeed, Shaukat | - |
dc.contributor.nonIdAuthor | Siddiqi, Humaira Masood | - |
dc.contributor.nonIdAuthor | Ali, Ghafar | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Coatable polyimide | - |
dc.subject.keywordAuthor | Like-like chemical interactions | - |
dc.subject.keywordAuthor | Thermal stability | - |
dc.subject.keywordAuthor | Hydrophobicity | - |
dc.subject.keywordAuthor | Compatibility | - |
dc.subject.keywordAuthor | Microstructure | - |
dc.subject.keywordAuthor | PI-SiO2 hybrids | - |
dc.subject.keywordPlus | MECHANICAL-PROPERTIES | - |
dc.subject.keywordPlus | THERMAL-STABILITY | - |
dc.subject.keywordPlus | HYBRID MATERIALS | - |
dc.subject.keywordPlus | FILMS | - |
dc.subject.keywordPlus | MORPHOLOGY | - |
dc.subject.keywordPlus | ALKOXYSILANE | - |
dc.subject.keywordPlus | COMPOSITES | - |
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