PRODUCTION OF POTASSIUM FLUOROALUMINATE, POTASSIUM FLUOROALUMINATE AND FLUX SOLDERING ALUMINUM
PROBLEM TO BE SOLVED: To obtain the subject compd. having a lower m.p. than the conventional one by allowing Al(OH)3 , HF and KOH to undergo a reaction under specified conditions to deposit a potassium fluoroaluminate having a specified m.p. SOLUTION: Al(OH)3 , HF and KOH are allowed to react in a l...
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| creator | RUDOLPH WERNER DR SANDER RUEDIGER BELT HEINZ-JOACHIM DR |
| description | PROBLEM TO BE SOLVED: To obtain the subject compd. having a lower m.p. than the conventional one by allowing Al(OH)3 , HF and KOH to undergo a reaction under specified conditions to deposit a potassium fluoroaluminate having a specified m.p. SOLUTION: Al(OH)3 , HF and KOH are allowed to react in a liq. medium (e.g. water) in 1:5±0.2:2±0.05, preferably 1:5±0.1:2±0.05, molar ratio of Al:F:K preferably at 60 deg.C to the b.p. of the reaction mixture, the reaction product is dried at 80 deg.C in vacuum, and a potassium fluoroaluminate having 546-550 deg.C m.p. measured by DSC is deposited. The deposited potassium fluoroaluminate is separated from the liq. medium and dried. This potassium fluoroaluminate is excellently used as the flux in soldering Al because of its low m.p. |
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SOLUTION: Al(OH)3 , HF and KOH are allowed to react in a liq. medium (e.g. water) in 1:5±0.2:2±0.05, preferably 1:5±0.1:2±0.05, molar ratio of Al:F:K preferably at 60 deg.C to the b.p. of the reaction mixture, the reaction product is dried at 80 deg.C in vacuum, and a potassium fluoroaluminate having 546-550 deg.C m.p. measured by DSC is deposited. The deposited potassium fluoroaluminate is separated from the liq. medium and dried. This potassium fluoroaluminate is excellently used as the flux in soldering Al because of its low m.p.</description><edition>6</edition><language>eng</language><subject>CHEMISTRY ; CLADDING OR PLATING BY SOLDERING OR WELDING ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; INORGANIC CHEMISTRY ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; METALLURGY ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>1998</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=19980519&DB=EPODOC&CC=JP&NR=H10130018A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980519&DB=EPODOC&CC=JP&NR=H10130018A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RUDOLPH WERNER DR</creatorcontrib><creatorcontrib>SANDER RUEDIGER</creatorcontrib><creatorcontrib>BELT HEINZ-JOACHIM DR</creatorcontrib><title>PRODUCTION OF POTASSIUM FLUOROALUMINATE, POTASSIUM FLUOROALUMINATE AND FLUX SOLDERING ALUMINUM</title><description>PROBLEM TO BE SOLVED: To obtain the subject compd. having a lower m.p. than the conventional one by allowing Al(OH)3 , HF and KOH to undergo a reaction under specified conditions to deposit a potassium fluoroaluminate having a specified m.p. SOLUTION: Al(OH)3 , HF and KOH are allowed to react in a liq. medium (e.g. water) in 1:5±0.2:2±0.05, preferably 1:5±0.1:2±0.05, molar ratio of Al:F:K preferably at 60 deg.C to the b.p. of the reaction mixture, the reaction product is dried at 80 deg.C in vacuum, and a potassium fluoroaluminate having 546-550 deg.C m.p. measured by DSC is deposited. The deposited potassium fluoroaluminate is separated from the liq. medium and dried. This potassium fluoroaluminate is excellently used as the flux in soldering Al because of its low m.p.</description><subject>CHEMISTRY</subject><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>INORGANIC CHEMISTRY</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZIgLCPJ3CXUO8fT3U_B3UwjwD3EMDvYM9VVw8wn1D_J39An19fRzDHHVwS2l4OjnAhKLUAj293FxDfL0c1eASIb68jCwpiXmFKfyQmluBkU31xBnD93Ugvz41OKCxOTUvNSSeK8AD0MDQ2MDA0MLR2Ni1AAAn6wz5A</recordid><startdate>19980519</startdate><enddate>19980519</enddate><creator>RUDOLPH WERNER DR</creator><creator>SANDER RUEDIGER</creator><creator>BELT HEINZ-JOACHIM DR</creator><scope>EVB</scope></search><sort><creationdate>19980519</creationdate><title>PRODUCTION OF POTASSIUM FLUOROALUMINATE, POTASSIUM FLUOROALUMINATE AND FLUX SOLDERING ALUMINUM</title><author>RUDOLPH WERNER DR ; SANDER RUEDIGER ; BELT HEINZ-JOACHIM DR</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH10130018A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>CHEMISTRY</topic><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>INORGANIC CHEMISTRY</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>RUDOLPH WERNER DR</creatorcontrib><creatorcontrib>SANDER RUEDIGER</creatorcontrib><creatorcontrib>BELT HEINZ-JOACHIM DR</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RUDOLPH WERNER DR</au><au>SANDER RUEDIGER</au><au>BELT HEINZ-JOACHIM DR</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF POTASSIUM FLUOROALUMINATE, POTASSIUM FLUOROALUMINATE AND FLUX SOLDERING ALUMINUM</title><date>1998-05-19</date><risdate>1998</risdate><abstract>PROBLEM TO BE SOLVED: To obtain the subject compd. having a lower m.p. than the conventional one by allowing Al(OH)3 , HF and KOH to undergo a reaction under specified conditions to deposit a potassium fluoroaluminate having a specified m.p. SOLUTION: Al(OH)3 , HF and KOH are allowed to react in a liq. medium (e.g. water) in 1:5±0.2:2±0.05, preferably 1:5±0.1:2±0.05, molar ratio of Al:F:K preferably at 60 deg.C to the b.p. of the reaction mixture, the reaction product is dried at 80 deg.C in vacuum, and a potassium fluoroaluminate having 546-550 deg.C m.p. measured by DSC is deposited. The deposited potassium fluoroaluminate is separated from the liq. medium and dried. This potassium fluoroaluminate is excellently used as the flux in soldering Al because of its low m.p.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING INORGANIC CHEMISTRY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | PRODUCTION OF POTASSIUM FLUOROALUMINATE, POTASSIUM FLUOROALUMINATE AND FLUX SOLDERING ALUMINUM |
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