Structure and surface reactivity of novel nanoporous alumina fillers
Recent studies have shown that the particle size of fillers used for the reinforcement of dental resin composites should be multimodally distributed, in which micron‐sized fillers are mixed with nanoparticles so as to achieve a higher filler level in the resin, and should be kept well dispersed so a...
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| Veröffentlicht in: | Journal of biomedical materials research. Part B, Applied biomaterials Applied biomaterials, 2009-01, Vol.88B (1), p.174-181 |
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| creator | Azevedo, Christophe Tavernier, Bruno Vignes, Jean-Louis Cenedese, Pierre Dubot, Pierre |
| description | Recent studies have shown that the particle size of fillers used for the reinforcement of dental resin composites should be multimodally distributed, in which micron‐sized fillers are mixed with nanoparticles so as to achieve a higher filler level in the resin, and should be kept well dispersed so as to be functionalized by a silane. In this study, porous alumina monoliths with high specific surface area, measured by the Brunauer‐Emmett‐Teller (BET) method, were obtained using a novel preparation method. Structure and surface reactivity have been investigated as functions of temperature and chemical treatments. The impregnation of the as‐prepared material by triméthyletoxysilane (TMES) stabilized alumina with high specific surface area at higher temperature. FTIR study has described the effect of TMES treatment and temperature on the structure of the material. The use of allyldimethoxysilane (ADMS), as a probe molecule for measuring the surface reactivity, has allowed us to show that the treatment of samples with TMES and their reheating at 1300°C results in adsorption sites which give stronger chemical bonds. This preliminary study has, therefore, allowed us to optimize the structural and surface treatment of experimental fillers before their use in the reinforcement of resin composites or resin‐modified glass ionomer cements. © 2008 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2009 |
| doi_str_mv | 10.1002/jbm.b.31165 |
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In this study, porous alumina monoliths with high specific surface area, measured by the Brunauer‐Emmett‐Teller (BET) method, were obtained using a novel preparation method. Structure and surface reactivity have been investigated as functions of temperature and chemical treatments. The impregnation of the as‐prepared material by triméthyletoxysilane (TMES) stabilized alumina with high specific surface area at higher temperature. FTIR study has described the effect of TMES treatment and temperature on the structure of the material. The use of allyldimethoxysilane (ADMS), as a probe molecule for measuring the surface reactivity, has allowed us to show that the treatment of samples with TMES and their reheating at 1300°C results in adsorption sites which give stronger chemical bonds. This preliminary study has, therefore, allowed us to optimize the structural and surface treatment of experimental fillers before their use in the reinforcement of resin composites or resin‐modified glass ionomer cements. © 2008 Wiley Periodicals, Inc. 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Part B, Applied biomaterials</title><addtitle>J. Biomed. Mater. Res</addtitle><description>Recent studies have shown that the particle size of fillers used for the reinforcement of dental resin composites should be multimodally distributed, in which micron‐sized fillers are mixed with nanoparticles so as to achieve a higher filler level in the resin, and should be kept well dispersed so as to be functionalized by a silane. In this study, porous alumina monoliths with high specific surface area, measured by the Brunauer‐Emmett‐Teller (BET) method, were obtained using a novel preparation method. Structure and surface reactivity have been investigated as functions of temperature and chemical treatments. The impregnation of the as‐prepared material by triméthyletoxysilane (TMES) stabilized alumina with high specific surface area at higher temperature. FTIR study has described the effect of TMES treatment and temperature on the structure of the material. The use of allyldimethoxysilane (ADMS), as a probe molecule for measuring the surface reactivity, has allowed us to show that the treatment of samples with TMES and their reheating at 1300°C results in adsorption sites which give stronger chemical bonds. This preliminary study has, therefore, allowed us to optimize the structural and surface treatment of experimental fillers before their use in the reinforcement of resin composites or resin‐modified glass ionomer cements. © 2008 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2009</description><subject>Adsorption</subject><subject>Aluminum Oxide - chemistry</subject><subject>Chemical Sciences</subject><subject>Dental Materials - chemistry</subject><subject>Equipment Design</subject><subject>Glass Ionomer Cements - chemistry</subject><subject>Hot Temperature</subject><subject>Life Sciences</subject><subject>Materials Testing</subject><subject>Methacrylates - chemistry</subject><subject>Nanoparticles - chemistry</subject><subject>nanoporous alumina</subject><subject>Nanotechnology - methods</subject><subject>physical and chemical properties</subject><subject>Polymers - chemistry</subject><subject>silane</subject><subject>Silanes - chemistry</subject><subject>specific surface</subject><subject>Spectroscopy, Fourier Transform Infrared</subject><subject>structural and surface treatment</subject><subject>Surface Properties</subject><subject>Temperature</subject><issn>1552-4973</issn><issn>1552-4981</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0cFPFDEUBvCGaACRk3czJxNjZumbTjvtEVBBsqsmQki8NG2nDYXOzNLOrO5_z8As601ObZrf-9KXD6F3gGeAcXF0q5uZnhEARnfQPlBa5KXg8Gp7r8geepPS7YgZpmQX7QFnQMuK7qPPv_o4mH6INlNtnaUhOmVsFq0yvV_5fp11Lmu7lQ1Zq9pu2cVuSJkKQ-NblTkfgo3pLXrtVEj2cHMeoKuvXy5Pz_P5j7Nvp8fz3JSM0FxTo40jwLk2yjlmQNWFAV7VghpqseCW1kZQTbGBitdlbUxVai6IE6R2jBygj1PujQpyGX2j4lp2ysvz47l8fMMERFkUfAWj_TDZZezuB5t62fhkbAiqteMKkrGKAOHVi5BQxjEv8YuwwFTgUpARfpqgiV1K0brtXwHLx8rkWJnU8qmyUb_fxA66sfU_u-loBDCBPz7Y9f-y5MXJ4jk0n2Z86u3f7YyKd3Lcu6Ly-vuZPFlgfFEsfsuf5AHAQrBB</recordid><startdate>200901</startdate><enddate>200901</enddate><creator>Azevedo, Christophe</creator><creator>Tavernier, Bruno</creator><creator>Vignes, Jean-Louis</creator><creator>Cenedese, Pierre</creator><creator>Dubot, Pierre</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7QF</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>F28</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-4339-9683</orcidid></search><sort><creationdate>200901</creationdate><title>Structure and surface reactivity of novel nanoporous alumina fillers</title><author>Azevedo, Christophe ; Tavernier, Bruno ; Vignes, Jean-Louis ; Cenedese, Pierre ; Dubot, Pierre</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4635-b5cbcf3188bcaff6c1ad2c187d95c5e098e5dc95b50c178d4dcc74b893f93df63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Adsorption</topic><topic>Aluminum Oxide - chemistry</topic><topic>Chemical Sciences</topic><topic>Dental Materials - chemistry</topic><topic>Equipment Design</topic><topic>Glass Ionomer Cements - chemistry</topic><topic>Hot Temperature</topic><topic>Life Sciences</topic><topic>Materials Testing</topic><topic>Methacrylates - chemistry</topic><topic>Nanoparticles - chemistry</topic><topic>nanoporous alumina</topic><topic>Nanotechnology - methods</topic><topic>physical and chemical properties</topic><topic>Polymers - chemistry</topic><topic>silane</topic><topic>Silanes - chemistry</topic><topic>specific surface</topic><topic>Spectroscopy, Fourier Transform Infrared</topic><topic>structural and surface treatment</topic><topic>Surface Properties</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Azevedo, Christophe</creatorcontrib><creatorcontrib>Tavernier, Bruno</creatorcontrib><creatorcontrib>Vignes, Jean-Louis</creatorcontrib><creatorcontrib>Cenedese, Pierre</creatorcontrib><creatorcontrib>Dubot, Pierre</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Journal of biomedical materials research. 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| ispartof | Journal of biomedical materials research. Part B, Applied biomaterials, 2009-01, Vol.88B (1), p.174-181 |
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| source | MEDLINE; Wiley Online Library All Journals |
| subjects | Adsorption Aluminum Oxide - chemistry Chemical Sciences Dental Materials - chemistry Equipment Design Glass Ionomer Cements - chemistry Hot Temperature Life Sciences Materials Testing Methacrylates - chemistry Nanoparticles - chemistry nanoporous alumina Nanotechnology - methods physical and chemical properties Polymers - chemistry silane Silanes - chemistry specific surface Spectroscopy, Fourier Transform Infrared structural and surface treatment Surface Properties Temperature |
| title | Structure and surface reactivity of novel nanoporous alumina fillers |
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