Improvements in the manufacture of glass-ceramic materials
A glass composition to give a light coloured glass-ceramic consists essentially of, in weight per cent, SiO2 40-60, Al2\O3 5-15, CaO 25-35, Na2\O 0.5-5, F 0-3.7 and ZnO 1.5-3. The glass is made by melting a batch consisting of a blast furnace slag 51-54 wt. per cent, sand 29-33%, ZnO 2-3%, Na2\SO4 5...
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| creator | KITAIGOROSKY ISAAK ILYCH BONDAREV KONSTANTIN TIMOFEEVICH BARSUKOV JURY IVANOVICH BARSUKOV MIKHAIL IVANOVICH |
| description | A glass composition to give a light coloured glass-ceramic consists essentially of, in weight per cent, SiO2 40-60, Al2\O3 5-15, CaO 25-35, Na2\O 0.5-5, F 0-3.7 and ZnO 1.5-3. The glass is made by melting a batch consisting of a blast furnace slag 51-54 wt. per cent, sand 29-33%, ZnO 2-3%, Na2\SO4 5-9%, Na2\SiF6\t 4-11%, clay 4-5%, coal 0.3-1%. The blast furnace slag has the following composition (in wt. per cent): SiO2 36.6%\sB3, Al2\O3 12%\sB1, Fe2\O3 0.5%\sB0.2, CaO 46%\sB1, MgO 1.5%\sB 0.5, MnO 2.7%\sB0.5, Na2\O 0.35%\sB0.1, S 1.6% \sB0.5. Glass of the above composition may be conventionally moulded to form an article, the article then being cooled to 700-750 DEG C. at which temperature it is held for 30-60 minutes, and is then reheated for up to 3 hrs. at 950-1000 DEG C. to effect nucleation. |
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The glass is made by melting a batch consisting of a blast furnace slag 51-54 wt. per cent, sand 29-33%, ZnO 2-3%, Na2\SO4 5-9%, Na2\SiF6\t 4-11%, clay 4-5%, coal 0.3-1%. The blast furnace slag has the following composition (in wt. per cent): SiO2 36.6%\sB3, Al2\O3 12%\sB1, Fe2\O3 0.5%\sB0.2, CaO 46%\sB1, MgO 1.5%\sB 0.5, MnO 2.7%\sB0.5, Na2\O 0.35%\sB0.1, S 1.6% \sB0.5. Glass of the above composition may be conventionally moulded to form an article, the article then being cooled to 700-750 DEG C. at which temperature it is held for 30-60 minutes, and is then reheated for up to 3 hrs. at 950-1000 DEG C. to effect nucleation.</description><language>eng</language><subject>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS ; CHEMISTRY ; GLASS ; JOINING GLASS TO GLASS OR OTHER MATERIALS ; METALLURGY ; MINERAL OR SLAG WOOL ; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS ; SURFACE TREATMENT OF GLASS</subject><creationdate>1968</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=19680821&DB=EPODOC&CC=GB&NR=1124267A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19680821&DB=EPODOC&CC=GB&NR=1124267A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KITAIGOROSKY ISAAK ILYCH</creatorcontrib><creatorcontrib>BONDAREV KONSTANTIN TIMOFEEVICH</creatorcontrib><creatorcontrib>BARSUKOV JURY IVANOVICH</creatorcontrib><creatorcontrib>BARSUKOV MIKHAIL IVANOVICH</creatorcontrib><title>Improvements in the manufacture of glass-ceramic materials</title><description>A glass composition to give a light coloured glass-ceramic consists essentially of, in weight per cent, SiO2 40-60, Al2\O3 5-15, CaO 25-35, Na2\O 0.5-5, F 0-3.7 and ZnO 1.5-3. The glass is made by melting a batch consisting of a blast furnace slag 51-54 wt. per cent, sand 29-33%, ZnO 2-3%, Na2\SO4 5-9%, Na2\SiF6\t 4-11%, clay 4-5%, coal 0.3-1%. The blast furnace slag has the following composition (in wt. per cent): SiO2 36.6%\sB3, Al2\O3 12%\sB1, Fe2\O3 0.5%\sB0.2, CaO 46%\sB1, MgO 1.5%\sB 0.5, MnO 2.7%\sB0.5, Na2\O 0.35%\sB0.1, S 1.6% \sB0.5. 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The glass is made by melting a batch consisting of a blast furnace slag 51-54 wt. per cent, sand 29-33%, ZnO 2-3%, Na2\SO4 5-9%, Na2\SiF6\t 4-11%, clay 4-5%, coal 0.3-1%. The blast furnace slag has the following composition (in wt. per cent): SiO2 36.6%\sB3, Al2\O3 12%\sB1, Fe2\O3 0.5%\sB0.2, CaO 46%\sB1, MgO 1.5%\sB 0.5, MnO 2.7%\sB0.5, Na2\O 0.35%\sB0.1, S 1.6% \sB0.5. Glass of the above composition may be conventionally moulded to form an article, the article then being cooled to 700-750 DEG C. at which temperature it is held for 30-60 minutes, and is then reheated for up to 3 hrs. at 950-1000 DEG C. to effect nucleation.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS |
| title | Improvements in the manufacture of glass-ceramic materials |
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