DISPERSANT FOR AQUEOUS COAL SLURRY
PURPOSE:To prevent sedimentaion of pulverized coal by incorporating an alkylene oxide adduct of a polyamide resin contg. active hydrogen atoms obtd. as a condensation product of a polybasic carboxylic acid with a polyamine or a deriv. of said alkylene oxide adduct. CONSTITUTION:A dispersant for aq....
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| creator | MIZUNO YASUNOBU OGURA YOSHIKAZU UESHIMA NOBUHIRO YUKIMURA KAZUSHI IMAMURA TAKEHISA |
| description | PURPOSE:To prevent sedimentaion of pulverized coal by incorporating an alkylene oxide adduct of a polyamide resin contg. active hydrogen atoms obtd. as a condensation product of a polybasic carboxylic acid with a polyamine or a deriv. of said alkylene oxide adduct. CONSTITUTION:A dispersant for aq. coal slurry is obtd. by incorporating an alkylene oxide adduct of a polyamide resin contg. active hydrogen atoms prepd. by condensation reaction of a polybasic acid having 300-1,000 molecular weight with a polyamine, or a deriv. thereof. Preferred polybasic acid iw dimer acid of unsatd. fatty acid, and preferred polyamine is aliphatic polyamine. The polyamide resin has pref. >=10 in average active hydrogen atoms in one molecule. Suitable amt. of said dispersant to be used depends on the particle size of the coal; it is usually 0.1-1.0wt%, but |
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CONSTITUTION:A dispersant for aq. coal slurry is obtd. by incorporating an alkylene oxide adduct of a polyamide resin contg. active hydrogen atoms prepd. by condensation reaction of a polybasic acid having 300-1,000 molecular weight with a polyamine, or a deriv. thereof. Preferred polybasic acid iw dimer acid of unsatd. fatty acid, and preferred polyamine is aliphatic polyamine. The polyamide resin has pref. >=10 in average active hydrogen atoms in one molecule. Suitable amt. of said dispersant to be used depends on the particle size of the coal; it is usually 0.1-1.0wt%, but <=1wt% when 80% of the coal passes through a 200 mesh sieve.</description><language>eng</language><subject>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ; ADHESIVES ; CHEMISTRY ; DYES ; FIRELIGHTERS ; FUELS ; FUELS NOT OTHERWISE PROVIDED FOR ; LIQUEFIED PETROLEUM GAS ; LUBRICANTS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL GAS ; NATURAL RESINS ; PAINTS ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; POLISHES ; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K ; TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><creationdate>1984</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=19841011&DB=EPODOC&CC=JP&NR=S59179140A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19841011&DB=EPODOC&CC=JP&NR=S59179140A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIZUNO YASUNOBU</creatorcontrib><creatorcontrib>OGURA YOSHIKAZU</creatorcontrib><creatorcontrib>UESHIMA NOBUHIRO</creatorcontrib><creatorcontrib>YUKIMURA KAZUSHI</creatorcontrib><creatorcontrib>IMAMURA TAKEHISA</creatorcontrib><title>DISPERSANT FOR AQUEOUS COAL SLURRY</title><description>PURPOSE:To prevent sedimentaion of pulverized coal by incorporating an alkylene oxide adduct of a polyamide resin contg. active hydrogen atoms obtd. as a condensation product of a polybasic carboxylic acid with a polyamine or a deriv. of said alkylene oxide adduct. CONSTITUTION:A dispersant for aq. coal slurry is obtd. by incorporating an alkylene oxide adduct of a polyamide resin contg. active hydrogen atoms prepd. by condensation reaction of a polybasic acid having 300-1,000 molecular weight with a polyamine, or a deriv. thereof. Preferred polybasic acid iw dimer acid of unsatd. fatty acid, and preferred polyamine is aliphatic polyamine. The polyamide resin has pref. >=10 in average active hydrogen atoms in one molecule. 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CONSTITUTION:A dispersant for aq. coal slurry is obtd. by incorporating an alkylene oxide adduct of a polyamide resin contg. active hydrogen atoms prepd. by condensation reaction of a polybasic acid having 300-1,000 molecular weight with a polyamine, or a deriv. thereof. Preferred polybasic acid iw dimer acid of unsatd. fatty acid, and preferred polyamine is aliphatic polyamine. The polyamide resin has pref. >=10 in average active hydrogen atoms in one molecule. Suitable amt. of said dispersant to be used depends on the particle size of the coal; it is usually 0.1-1.0wt%, but <=1wt% when 80% of the coal passes through a 200 mesh sieve.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ADHESIVES CHEMISTRY DYES FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL GAS NATURAL RESINS PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE |
| title | DISPERSANT FOR AQUEOUS COAL SLURRY |
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