TWI466844B
The present invention is directed to preventing a refractory material comprising a CaO component from hydration (slaking) of CaO, in a production stage, during storage and in a casting stage, over long periods. Specifically, the present invention provides a refractory product comprising CaO componen...
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| creator | MORIKAWA, KATSUMI YOSHITSUGU, NAOMI LI, LING SASAKI, AKINARI |
| description | The present invention is directed to preventing a refractory material comprising a CaO component from hydration (slaking) of CaO, in a production stage, during storage and in a casting stage, over long periods. Specifically, the present invention provides a refractory product comprising CaO component-containing refractory particles and MgO component-containing refractory particles. The refractory material contains, in terms of a chemical composition measured after it has undergone heating in a non-oxidizing atmosphere at 1000°C, one or more metal oxides selected from the group consisting of B 2 O 3 , TiO 2 , V 2 O 5 , P 2 O 5 and SiO 2 in a total amount of 0.1 to 5.0 mass%, and free carbon in an amount of 2 to 35 mass%, with the remainder including CaO and MgO whose mass ratio (CaO/MgO) is in the range of 0.1 to 1.5, wherein, in microscopic observation performed at room temperature on a sample of the refractory material which has undergone heating in a non-oxidizing atmosphere at 1000°C, an inorganic film com |
| format | Patent |
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Specifically, the present invention provides a refractory product comprising CaO component-containing refractory particles and MgO component-containing refractory particles. The refractory material contains, in terms of a chemical composition measured after it has undergone heating in a non-oxidizing atmosphere at 1000°C, one or more metal oxides selected from the group consisting of B 2 O 3 , TiO 2 , V 2 O 5 , P 2 O 5 and SiO 2 in a total amount of 0.1 to 5.0 mass%, and free carbon in an amount of 2 to 35 mass%, with the remainder including CaO and MgO whose mass ratio (CaO/MgO) is in the range of 0.1 to 1.5, wherein, in microscopic observation performed at room temperature on a sample of the refractory material which has undergone heating in a non-oxidizing atmosphere at 1000°C, an inorganic film com</description><language>chi</language><subject>ARTIFICIAL STONE ; CASTING ; CASTING OF METALS ; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; LIME, MAGNESIA ; METALLURGY ; PERFORMING OPERATIONS ; POWDER METALLURGY ; REFRACTORIES ; SLAG ; TRANSPORTING ; TREATMENT OF NATURAL STONE</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150101&DB=EPODOC&CC=TW&NR=I466844B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150101&DB=EPODOC&CC=TW&NR=I466844B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORIKAWA, KATSUMI</creatorcontrib><creatorcontrib>YOSHITSUGU, NAOMI</creatorcontrib><creatorcontrib>LI, LING</creatorcontrib><creatorcontrib>SASAKI, AKINARI</creatorcontrib><title>TWI466844B</title><description>The present invention is directed to preventing a refractory material comprising a CaO component from hydration (slaking) of CaO, in a production stage, during storage and in a casting stage, over long periods. Specifically, the present invention provides a refractory product comprising CaO component-containing refractory particles and MgO component-containing refractory particles. The refractory material contains, in terms of a chemical composition measured after it has undergone heating in a non-oxidizing atmosphere at 1000°C, one or more metal oxides selected from the group consisting of B 2 O 3 , TiO 2 , V 2 O 5 , P 2 O 5 and SiO 2 in a total amount of 0.1 to 5.0 mass%, and free carbon in an amount of 2 to 35 mass%, with the remainder including CaO and MgO whose mass ratio (CaO/MgO) is in the range of 0.1 to 1.5, wherein, in microscopic observation performed at room temperature on a sample of the refractory material which has undergone heating in a non-oxidizing atmosphere at 1000°C, an inorganic film com</description><subject>ARTIFICIAL STONE</subject><subject>CASTING</subject><subject>CASTING OF METALS</subject><subject>CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</subject><subject>LIME, MAGNESIA</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>REFRACTORIES</subject><subject>SLAG</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAKCfc0MTOzMDFx4mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8QgNTsZEKAEADVMbkQ</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>MORIKAWA, KATSUMI</creator><creator>YOSHITSUGU, NAOMI</creator><creator>LI, LING</creator><creator>SASAKI, AKINARI</creator><scope>EVB</scope></search><sort><creationdate>20150101</creationdate><title>TWI466844B</title><author>MORIKAWA, KATSUMI ; YOSHITSUGU, NAOMI ; LI, LING ; SASAKI, AKINARI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TWI466844BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi</language><creationdate>2015</creationdate><topic>ARTIFICIAL STONE</topic><topic>CASTING</topic><topic>CASTING OF METALS</topic><topic>CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>CONCRETE</topic><topic>LIME, MAGNESIA</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>REFRACTORIES</topic><topic>SLAG</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>MORIKAWA, KATSUMI</creatorcontrib><creatorcontrib>YOSHITSUGU, NAOMI</creatorcontrib><creatorcontrib>LI, LING</creatorcontrib><creatorcontrib>SASAKI, AKINARI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MORIKAWA, KATSUMI</au><au>YOSHITSUGU, NAOMI</au><au>LI, LING</au><au>SASAKI, AKINARI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TWI466844B</title><date>2015-01-01</date><risdate>2015</risdate><abstract>The present invention is directed to preventing a refractory material comprising a CaO component from hydration (slaking) of CaO, in a production stage, during storage and in a casting stage, over long periods. Specifically, the present invention provides a refractory product comprising CaO component-containing refractory particles and MgO component-containing refractory particles. The refractory material contains, in terms of a chemical composition measured after it has undergone heating in a non-oxidizing atmosphere at 1000°C, one or more metal oxides selected from the group consisting of B 2 O 3 , TiO 2 , V 2 O 5 , P 2 O 5 and SiO 2 in a total amount of 0.1 to 5.0 mass%, and free carbon in an amount of 2 to 35 mass%, with the remainder including CaO and MgO whose mass ratio (CaO/MgO) is in the range of 0.1 to 1.5, wherein, in microscopic observation performed at room temperature on a sample of the refractory material which has undergone heating in a non-oxidizing atmosphere at 1000°C, an inorganic film com</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE |
| title | TWI466844B |
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