Fabrication of microporous calcite block from calcium hydroxide compact under carbon dioxide atmosphere at high temperature
Effects of carbonation temperature and compacting pressure on basic properties of calcite block were studied using Ca(OH)2 compact made with 0.2-2.0 MPa and their carbonation at 200-800ºC for 1 h. Microporous calcite was obtained only when carbonated at 600ºC using Ca(OH)2 compact made with 0.2 MPa...
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| Veröffentlicht in: | Dental Materials Journal 2012/07/30, Vol.31(4), pp.593-600 |
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| container_title | Dental Materials Journal |
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| creator | OTSU, Akihiro TSURU, Kanji MARUTA, Michito MUNAR, Melvin L. MATSUYA, Shigeki ISHIKAWA, Kunio |
| description | Effects of carbonation temperature and compacting pressure on basic properties of calcite block were studied using Ca(OH)2 compact made with 0.2-2.0 MPa and their carbonation at 200-800ºC for 1 h. Microporous calcite was obtained only when carbonated at 600ºC using Ca(OH)2 compact made with 0.2 MPa even though thermogravimetry analysis showed that calcite powder was stable up to920ºC under CO2 atmosphere. CaO formed by carbonation at 700ºC and 800ºC is thought to be caused by the limited CO2 diffusion interior to the Ca(OH)2 compact. Also, unreacted Ca(OH)2 was found for Ca(OH)2 compact prepared with 0.5 MPa or higher pressure even when carbonated at 600ºC. As a result of high temperature carbonation, crystallite size of the calcite, 58.0 nm, was signifi cantly larger when compared to that of calcite prepared at room temperature, 35.5 nm. Porosity and diametral tensile strength of the microporous calcite were 39.5% and 6.4 MPa. |
| doi_str_mv | 10.4012/dmj.2011-252 |
| format | Article |
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Microporous calcite was obtained only when carbonated at 600ºC using Ca(OH)2 compact made with 0.2 MPa even though thermogravimetry analysis showed that calcite powder was stable up to920ºC under CO2 atmosphere. CaO formed by carbonation at 700ºC and 800ºC is thought to be caused by the limited CO2 diffusion interior to the Ca(OH)2 compact. Also, unreacted Ca(OH)2 was found for Ca(OH)2 compact prepared with 0.5 MPa or higher pressure even when carbonated at 600ºC. As a result of high temperature carbonation, crystallite size of the calcite, 58.0 nm, was signifi cantly larger when compared to that of calcite prepared at room temperature, 35.5 nm. Porosity and diametral tensile strength of the microporous calcite were 39.5% and 6.4 MPa.</description><identifier>ISSN: 0287-4547</identifier><identifier>EISSN: 1881-1361</identifier><identifier>DOI: 10.4012/dmj.2011-252</identifier><identifier>PMID: 22864212</identifier><language>eng</language><publisher>Japan: The Japanese Society for Dental Materials and Devices</publisher><subject>Apatites - chemistry ; Blocking ; Bone substitute ; Bone Substitutes - chemical synthesis ; Calcite ; Calcium Carbonate - chemical synthesis ; Calcium hydroxide ; Calcium Hydroxide - chemistry ; Carbon dioxide ; Carbon Dioxide - chemistry ; Carbonation ; Crystallites ; Crystallization ; Dentistry ; Hot Temperature ; Porosity ; Pressure ; Slaked lime ; Tensile Strength ; Thermogravimetry</subject><ispartof>Dental Materials Journal, 2012/07/30, Vol.31(4), pp.593-600</ispartof><rights>2012 The Japanese Society for Dental Materials and Devices</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c709t-779140a501b649f18b8fa3057760b70f7ac64795b4876bf4436ee11a0b33da973</citedby><cites>FETCH-LOGICAL-c709t-779140a501b649f18b8fa3057760b70f7ac64795b4876bf4436ee11a0b33da973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,4010,27900,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22864212$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>OTSU, Akihiro</creatorcontrib><creatorcontrib>TSURU, Kanji</creatorcontrib><creatorcontrib>MARUTA, Michito</creatorcontrib><creatorcontrib>MUNAR, Melvin L.</creatorcontrib><creatorcontrib>MATSUYA, Shigeki</creatorcontrib><creatorcontrib>ISHIKAWA, Kunio</creatorcontrib><creatorcontrib>Department of Biomaterials</creatorcontrib><creatorcontrib>Faculty of Dental Science</creatorcontrib><creatorcontrib>Kyushu University</creatorcontrib><creatorcontrib>Fukuoka Dental College</creatorcontrib><creatorcontrib>Department of Dental Engineering</creatorcontrib><title>Fabrication of microporous calcite block from calcium hydroxide compact under carbon dioxide atmosphere at high temperature</title><title>Dental Materials Journal</title><addtitle>Dent. Mater. J.</addtitle><description>Effects of carbonation temperature and compacting pressure on basic properties of calcite block were studied using Ca(OH)2 compact made with 0.2-2.0 MPa and their carbonation at 200-800ºC for 1 h. Microporous calcite was obtained only when carbonated at 600ºC using Ca(OH)2 compact made with 0.2 MPa even though thermogravimetry analysis showed that calcite powder was stable up to920ºC under CO2 atmosphere. CaO formed by carbonation at 700ºC and 800ºC is thought to be caused by the limited CO2 diffusion interior to the Ca(OH)2 compact. Also, unreacted Ca(OH)2 was found for Ca(OH)2 compact prepared with 0.5 MPa or higher pressure even when carbonated at 600ºC. As a result of high temperature carbonation, crystallite size of the calcite, 58.0 nm, was signifi cantly larger when compared to that of calcite prepared at room temperature, 35.5 nm. Porosity and diametral tensile strength of the microporous calcite were 39.5% and 6.4 MPa.</description><subject>Apatites - chemistry</subject><subject>Blocking</subject><subject>Bone substitute</subject><subject>Bone Substitutes - chemical synthesis</subject><subject>Calcite</subject><subject>Calcium Carbonate - chemical synthesis</subject><subject>Calcium hydroxide</subject><subject>Calcium Hydroxide - chemistry</subject><subject>Carbon dioxide</subject><subject>Carbon Dioxide - chemistry</subject><subject>Carbonation</subject><subject>Crystallites</subject><subject>Crystallization</subject><subject>Dentistry</subject><subject>Hot Temperature</subject><subject>Porosity</subject><subject>Pressure</subject><subject>Slaked lime</subject><subject>Tensile Strength</subject><subject>Thermogravimetry</subject><issn>0287-4547</issn><issn>1881-1361</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUtv1TAQhSMEopfCjjXKkgUp40f8WEJFH1IlNrC2HGfS60sSB8eResWfx2nau-3GHvl8OjOeUxQfCVxwIPRrOxwuKBBS0Zq-KnZEKVIRJsjrYgdUyYrXXJ4V7-b5AMC1UOptcUapEpwSuiv-XdkmemeTD2MZunLwLoYpxLDMpbO98wnLpg_uT9nFMGxPy1Duj20MD77F0oVhsi6Vy9hizHpsslHrN9GmIczTHuNalnt_vy8TDhNGm5aI74s3ne1n_PB0nxe_r378uryp7n5e315-u6ucBJ0qKTXhYGsgjeC6I6pRnWVQSymgkdBJ6wSXum64kqLpOGcCkRALDWOt1ZKdF5833ymGvwvOyQx-dtj3dsT8T0Mk50JoqeqXUUqJ0hRq_jIKjAoCumYZ_bKhebfzHLEzU_SDjccMmTVEk0M0a4gmh5jxT0_OSzNge4KfU8vA9QZkNWfXh7H3I5pDWOKYF2naI7Q4bpbUADAC3DyWtWYGBAAlDARdV_N9czrMyd7jqZWNybseH-dixPD1eJ7vJLq9jQZH9h9Y3MXP</recordid><startdate>2012</startdate><enddate>2012</enddate><creator>OTSU, Akihiro</creator><creator>TSURU, Kanji</creator><creator>MARUTA, Michito</creator><creator>MUNAR, Melvin L.</creator><creator>MATSUYA, Shigeki</creator><creator>ISHIKAWA, Kunio</creator><general>The Japanese Society for Dental Materials and Devices</general><general>Japanese Society for Dental Materials and Devices</general><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>7X8</scope><scope>7QP</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>2012</creationdate><title>Fabrication of microporous calcite block from calcium hydroxide compact under carbon dioxide atmosphere at high temperature</title><author>OTSU, Akihiro ; TSURU, Kanji ; MARUTA, Michito ; MUNAR, Melvin L. ; MATSUYA, Shigeki ; ISHIKAWA, Kunio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c709t-779140a501b649f18b8fa3057760b70f7ac64795b4876bf4436ee11a0b33da973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Apatites - chemistry</topic><topic>Blocking</topic><topic>Bone substitute</topic><topic>Bone Substitutes - chemical synthesis</topic><topic>Calcite</topic><topic>Calcium Carbonate - chemical synthesis</topic><topic>Calcium hydroxide</topic><topic>Calcium Hydroxide - chemistry</topic><topic>Carbon dioxide</topic><topic>Carbon Dioxide - chemistry</topic><topic>Carbonation</topic><topic>Crystallites</topic><topic>Crystallization</topic><topic>Dentistry</topic><topic>Hot Temperature</topic><topic>Porosity</topic><topic>Pressure</topic><topic>Slaked lime</topic><topic>Tensile Strength</topic><topic>Thermogravimetry</topic><toplevel>online_resources</toplevel><creatorcontrib>OTSU, Akihiro</creatorcontrib><creatorcontrib>TSURU, Kanji</creatorcontrib><creatorcontrib>MARUTA, Michito</creatorcontrib><creatorcontrib>MUNAR, Melvin L.</creatorcontrib><creatorcontrib>MATSUYA, Shigeki</creatorcontrib><creatorcontrib>ISHIKAWA, Kunio</creatorcontrib><creatorcontrib>Department of Biomaterials</creatorcontrib><creatorcontrib>Faculty of Dental Science</creatorcontrib><creatorcontrib>Kyushu University</creatorcontrib><creatorcontrib>Fukuoka Dental College</creatorcontrib><creatorcontrib>Department of Dental Engineering</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Dental Materials Journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>OTSU, Akihiro</au><au>TSURU, Kanji</au><au>MARUTA, Michito</au><au>MUNAR, Melvin L.</au><au>MATSUYA, Shigeki</au><au>ISHIKAWA, Kunio</au><aucorp>Department of Biomaterials</aucorp><aucorp>Faculty of Dental Science</aucorp><aucorp>Kyushu University</aucorp><aucorp>Fukuoka Dental College</aucorp><aucorp>Department of Dental Engineering</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fabrication of microporous calcite block from calcium hydroxide compact under carbon dioxide atmosphere at high temperature</atitle><jtitle>Dental Materials Journal</jtitle><addtitle>Dent. Mater. J.</addtitle><date>2012</date><risdate>2012</risdate><volume>31</volume><issue>4</issue><spage>593</spage><epage>600</epage><pages>593-600</pages><issn>0287-4547</issn><eissn>1881-1361</eissn><abstract>Effects of carbonation temperature and compacting pressure on basic properties of calcite block were studied using Ca(OH)2 compact made with 0.2-2.0 MPa and their carbonation at 200-800ºC for 1 h. Microporous calcite was obtained only when carbonated at 600ºC using Ca(OH)2 compact made with 0.2 MPa even though thermogravimetry analysis showed that calcite powder was stable up to920ºC under CO2 atmosphere. CaO formed by carbonation at 700ºC and 800ºC is thought to be caused by the limited CO2 diffusion interior to the Ca(OH)2 compact. Also, unreacted Ca(OH)2 was found for Ca(OH)2 compact prepared with 0.5 MPa or higher pressure even when carbonated at 600ºC. As a result of high temperature carbonation, crystallite size of the calcite, 58.0 nm, was signifi cantly larger when compared to that of calcite prepared at room temperature, 35.5 nm. Porosity and diametral tensile strength of the microporous calcite were 39.5% and 6.4 MPa.</abstract><cop>Japan</cop><pub>The Japanese Society for Dental Materials and Devices</pub><pmid>22864212</pmid><doi>10.4012/dmj.2011-252</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Apatites - chemistry Blocking Bone substitute Bone Substitutes - chemical synthesis Calcite Calcium Carbonate - chemical synthesis Calcium hydroxide Calcium Hydroxide - chemistry Carbon dioxide Carbon Dioxide - chemistry Carbonation Crystallites Crystallization Dentistry Hot Temperature Porosity Pressure Slaked lime Tensile Strength Thermogravimetry |
| title | Fabrication of microporous calcite block from calcium hydroxide compact under carbon dioxide atmosphere at high temperature |
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