Nanostructured hybrid networks based on highly fluorinated acrylates
A dual-curing process is described for obtaining highly fluorinated acrylic networks containing nanosilica. The new materials showed improved hardness, while maintaining the hydrophobicity of the fluorinated polymer. They were obtained by UV-curing a suitable mixture of a perfluoropolyetherurethaned...
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| Veröffentlicht in: | Journal of sol-gel science and technology 2009-11, Vol.52 (2), p.291-298 |
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| container_title | Journal of sol-gel science and technology |
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| creator | Bongiovanni, R. Sangermano, M. Medici, A. Tonelli, C. Rizza, G. |
| description | A dual-curing process is described for obtaining highly fluorinated acrylic networks containing nanosilica. The new materials showed improved hardness, while maintaining the hydrophobicity of the fluorinated polymer. They were obtained by UV-curing a suitable mixture of a perfluoropolyetherurethanediacrylate and alkoxysilanes, followed by a thermal treatment during which the sol–gel process took place. The obtained crosslinked networks had a complex morphology: nanometric silica particles were formed, as observed by TEM, and embedded in a biphasic crosslinked matrix made of perfluoropolyether domains and of copolymeric crosslinked domains containing the polyurethane acrylic units and siloxane chains formed by the alkoxides condensation. |
| doi_str_mv | 10.1007/s10971-009-2027-x |
| format | Article |
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The new materials showed improved hardness, while maintaining the hydrophobicity of the fluorinated polymer. They were obtained by UV-curing a suitable mixture of a perfluoropolyetherurethanediacrylate and alkoxysilanes, followed by a thermal treatment during which the sol–gel process took place. The obtained crosslinked networks had a complex morphology: nanometric silica particles were formed, as observed by TEM, and embedded in a biphasic crosslinked matrix made of perfluoropolyether domains and of copolymeric crosslinked domains containing the polyurethane acrylic units and siloxane chains formed by the alkoxides condensation.</description><identifier>ISSN: 0928-0707</identifier><identifier>EISSN: 1573-4846</identifier><identifier>DOI: 10.1007/s10971-009-2027-x</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Acrylates ; Alkoxides ; Alkoxysilanes ; Ceramics ; Chemistry ; Chemistry and Materials Science ; Colloidal gels. 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The new materials showed improved hardness, while maintaining the hydrophobicity of the fluorinated polymer. They were obtained by UV-curing a suitable mixture of a perfluoropolyetherurethanediacrylate and alkoxysilanes, followed by a thermal treatment during which the sol–gel process took place. The obtained crosslinked networks had a complex morphology: nanometric silica particles were formed, as observed by TEM, and embedded in a biphasic crosslinked matrix made of perfluoropolyether domains and of copolymeric crosslinked domains containing the polyurethane acrylic units and siloxane chains formed by the alkoxides condensation.</description><subject>Acrylates</subject><subject>Alkoxides</subject><subject>Alkoxysilanes</subject><subject>Ceramics</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Colloidal gels. Colloidal sols</subject><subject>Colloidal state and disperse state</subject><subject>Composites</subject><subject>Crosslinking</subject><subject>Curing</subject><subject>Domains</subject><subject>Exact sciences and technology</subject><subject>Fluorination</subject><subject>General and physical chemistry</subject><subject>Glass</subject><subject>Heat treatment</subject><subject>Hydrophobicity</subject><subject>Inorganic Chemistry</subject><subject>Materials Science</subject><subject>Morphology</subject><subject>Nanotechnology</subject><subject>Natural Materials</subject><subject>Networks</subject><subject>Optical and Electronic Materials</subject><subject>Original Paper</subject><subject>Polyurethane resins</subject><subject>Silicon dioxide</subject><subject>Sol-gel processes</subject><issn>0928-0707</issn><issn>1573-4846</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1UMtOwzAQtBBIlMIHcIuEOBrWrzg5ovKUKrjA2XL8aFNCUuxENH-PUSo4cdrV7MzsaBA6J3BFAOR1JFBKggFKTIFKvDtAMyIkw7zg-SGaQUkLDBLkMTqJcQMAghM5Q7fPuu1iHwbTD8HZbD1WobZZ6_qvLrzHrNIxoV2brevVuhkz3wxdqFvdJ1SbMDZpi6foyOsmurP9nKO3-7vXxSNevjw8LW6W2DCe95iUJXhNBfeO8sIamqLllTCa-aqSDEpvScElldK6woDl3hvrKAhd-bwglM3RxeS7Dd3n4GKvNt0Q2vRSUSpKzhgTIrHIxDKhizE4r7ah_tBhVATUT1lqKkulstRPWWqXNJd7Zx2NbnzQranjr5BSYLkkJPHoxIvp1K5c-Evwv_k3zWN6sg</recordid><startdate>20091101</startdate><enddate>20091101</enddate><creator>Bongiovanni, R.</creator><creator>Sangermano, M.</creator><creator>Medici, A.</creator><creator>Tonelli, C.</creator><creator>Rizza, G.</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20091101</creationdate><title>Nanostructured hybrid networks based on highly fluorinated acrylates</title><author>Bongiovanni, R. ; Sangermano, M. ; Medici, A. ; Tonelli, C. ; Rizza, G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c346t-1990fa254fe248dc28466b5ca3fbb7309fd1847277de8c0d4ffcde205abf68123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Acrylates</topic><topic>Alkoxides</topic><topic>Alkoxysilanes</topic><topic>Ceramics</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Colloidal gels. 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| source | Springer Nature - Complete Springer Journals |
| subjects | Acrylates Alkoxides Alkoxysilanes Ceramics Chemistry Chemistry and Materials Science Colloidal gels. Colloidal sols Colloidal state and disperse state Composites Crosslinking Curing Domains Exact sciences and technology Fluorination General and physical chemistry Glass Heat treatment Hydrophobicity Inorganic Chemistry Materials Science Morphology Nanotechnology Natural Materials Networks Optical and Electronic Materials Original Paper Polyurethane resins Silicon dioxide Sol-gel processes |
| title | Nanostructured hybrid networks based on highly fluorinated acrylates |
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