PRODUCTION OF STABILIZED GRANULAR SODIUM PERCARBONATE
PURPOSE:To produce granular sodium percarbonate having excellent slubility and storage stability, easily, by reacting Na2CO3 with H2O2 in an aqueous solution containing a silicate, etc., and adding a specific amount of a stabilizer such as a solicate to the obtained crystal. CONSTITUTION:Granular so...
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| creator | ITOU YOSHIROU HASHIMOTO AKIHIRO |
| description | PURPOSE:To produce granular sodium percarbonate having excellent slubility and storage stability, easily, by reacting Na2CO3 with H2O2 in an aqueous solution containing a silicate, etc., and adding a specific amount of a stabilizer such as a solicate to the obtained crystal. CONSTITUTION:Granular sodium percarbonate having an average particle diameter of 150-2,000mu can be produced by reacting Na2CO3 with H2O2 in an aqueous solution containing at least the above components in the presence of 0.005- 0.5(wt)% silicic acid (in terms of Si), 0.005-0.1% magnesium salt (Mg), and 0.005-0.4% phosphoric aicd or phosphate (P), based on the produced sodium percarbonate. The produced granular sodium percarbonate is separated, mixed with a stabilizer containing two or more components selected from 0.005-0.1% silicic acid (Si), 0.005-0.2% magnesium salt (Mg) and 0.05-0.6% phosphoric acid or phosphate (P), based on the dried weight of the sodium percarbonate, and dried to obtain the stabilized product. |
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CONSTITUTION:Granular sodium percarbonate having an average particle diameter of 150-2,000mu can be produced by reacting Na2CO3 with H2O2 in an aqueous solution containing at least the above components in the presence of 0.005- 0.5(wt)% silicic acid (in terms of Si), 0.005-0.1% magnesium salt (Mg), and 0.005-0.4% phosphoric aicd or phosphate (P), based on the produced sodium percarbonate. The produced granular sodium percarbonate is separated, mixed with a stabilizer containing two or more components selected from 0.005-0.1% silicic acid (Si), 0.005-0.2% magnesium salt (Mg) and 0.05-0.6% phosphoric acid or phosphate (P), based on the dried weight of the sodium percarbonate, and dried to obtain the stabilized product.</description><language>eng</language><subject>CHEMISTRY ; COMPOUNDS THEREOF ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS</subject><creationdate>1985</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=19850530&DB=EPODOC&CC=JP&NR=S6096511A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850530&DB=EPODOC&CC=JP&NR=S6096511A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ITOU YOSHIROU</creatorcontrib><creatorcontrib>HASHIMOTO AKIHIRO</creatorcontrib><title>PRODUCTION OF STABILIZED GRANULAR SODIUM PERCARBONATE</title><description>PURPOSE:To produce granular sodium percarbonate having excellent slubility and storage stability, easily, by reacting Na2CO3 with H2O2 in an aqueous solution containing a silicate, etc., and adding a specific amount of a stabilizer such as a solicate to the obtained crystal. CONSTITUTION:Granular sodium percarbonate having an average particle diameter of 150-2,000mu can be produced by reacting Na2CO3 with H2O2 in an aqueous solution containing at least the above components in the presence of 0.005- 0.5(wt)% silicic acid (in terms of Si), 0.005-0.1% magnesium salt (Mg), and 0.005-0.4% phosphoric aicd or phosphate (P), based on the produced sodium percarbonate. The produced granular sodium percarbonate is separated, mixed with a stabilizer containing two or more components selected from 0.005-0.1% silicic acid (Si), 0.005-0.2% magnesium salt (Mg) and 0.05-0.6% phosphoric acid or phosphate (P), based on the dried weight of the sodium percarbonate, and dried to obtain the stabilized product.</description><subject>CHEMISTRY</subject><subject>COMPOUNDS THEREOF</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1985</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDANCPJ3CXUO8fT3U_B3UwgOcXTy9PGMcnVRcA9y9Av1cQxSCPZ38Qz1VQhwDXJ2DHLy93MMceVhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfFeAcFmBpZmpoaGjsZEKAEAyQYn1A</recordid><startdate>19850530</startdate><enddate>19850530</enddate><creator>ITOU YOSHIROU</creator><creator>HASHIMOTO AKIHIRO</creator><scope>EVB</scope></search><sort><creationdate>19850530</creationdate><title>PRODUCTION OF STABILIZED GRANULAR SODIUM PERCARBONATE</title><author>ITOU YOSHIROU ; HASHIMOTO AKIHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS6096511A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1985</creationdate><topic>CHEMISTRY</topic><topic>COMPOUNDS THEREOF</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>ITOU YOSHIROU</creatorcontrib><creatorcontrib>HASHIMOTO AKIHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ITOU YOSHIROU</au><au>HASHIMOTO AKIHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF STABILIZED GRANULAR SODIUM PERCARBONATE</title><date>1985-05-30</date><risdate>1985</risdate><abstract>PURPOSE:To produce granular sodium percarbonate having excellent slubility and storage stability, easily, by reacting Na2CO3 with H2O2 in an aqueous solution containing a silicate, etc., and adding a specific amount of a stabilizer such as a solicate to the obtained crystal. CONSTITUTION:Granular sodium percarbonate having an average particle diameter of 150-2,000mu can be produced by reacting Na2CO3 with H2O2 in an aqueous solution containing at least the above components in the presence of 0.005- 0.5(wt)% silicic acid (in terms of Si), 0.005-0.1% magnesium salt (Mg), and 0.005-0.4% phosphoric aicd or phosphate (P), based on the produced sodium percarbonate. The produced granular sodium percarbonate is separated, mixed with a stabilizer containing two or more components selected from 0.005-0.1% silicic acid (Si), 0.005-0.2% magnesium salt (Mg) and 0.05-0.6% phosphoric acid or phosphate (P), based on the dried weight of the sodium percarbonate, and dried to obtain the stabilized product.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS |
| title | PRODUCTION OF STABILIZED GRANULAR SODIUM PERCARBONATE |
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