METHOD OF PREPARING AQUEOUS SOLUTION OF DIMETHYLDIALLYLAMMONIUM CHLORIDE

METHOD OF PREPARING AQUEOUS SOLUTION OF DIMETHYLDIALLYLAMMONIUM CHLORIDE

FIELD: polymer precursor preparation methods. ^ SUBSTANCE: invention relates to improved method for preparing aqueous solution of dimethyldiallylammonium chloride, which can be then polymerized to produce high-efficiency polyelectrolytes applicable in chemical, petrochemical, and petroleum processin...

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Hauptverfasser: KURGAEVA SVETLANA NIKOLAEVNA, VAKHITOV KHALIT SABITOVICH, RASULEV ZUFAR GINIJATOVICH, ZAGIDULLIN RAIS NURIEVICH
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Sprache:eng ; rus
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator KURGAEVA SVETLANA NIKOLAEVNA
VAKHITOV KHALIT SABITOVICH
RASULEV ZUFAR GINIJATOVICH
ZAGIDULLIN RAIS NURIEVICH
description FIELD: polymer precursor preparation methods. ^ SUBSTANCE: invention relates to improved method for preparing aqueous solution of dimethyldiallylammonium chloride, which can be then polymerized to produce high-efficiency polyelectrolytes applicable in chemical, petrochemical, and petroleum processing, paper-and-pulp, and other industries. Method comprises interaction of dimethylamine with allyl chloride at stirring and temperature 5-20°C for 3-4 h at dimethylamine-to-allyl chloride molar ratio 1.0:(1.01-1.05) followed by neutralization with 50% aqueous sodium chloride solution at 1:1 molar ratio, separation of water-alkali phase from organic phase to form 92-99% dimethyldiallylamine with boiling temperature 55-65°C, and mixing the latter for 4-6 h with allyl chloride at 1:1 molar ratio at 40-50°C, after which softened water is added at stirring and room temperature. ^ EFFECT: increased quality of target product and excluded presence of sodium chloride in aqueous solution of dimethyldiallylammonium chloride. ^ 4 cl
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Method comprises interaction of dimethylamine with allyl chloride at stirring and temperature 5-20°C for 3-4 h at dimethylamine-to-allyl chloride molar ratio 1.0:(1.01-1.05) followed by neutralization with 50% aqueous sodium chloride solution at 1:1 molar ratio, separation of water-alkali phase from organic phase to form 92-99% dimethyldiallylamine with boiling temperature 55-65°C, and mixing the latter for 4-6 h with allyl chloride at 1:1 molar ratio at 40-50°C, after which softened water is added at stirring and room temperature. ^ EFFECT: increased quality of target product and excluded presence of sodium chloride in aqueous solution of dimethyldiallylammonium chloride. ^ 4 cl</description><language>eng ; rus</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY</subject><creationdate>2008</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&amp;date=20080410&amp;DB=EPODOC&amp;CC=RU&amp;NR=2321578C1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20080410&amp;DB=EPODOC&amp;CC=RU&amp;NR=2321578C1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KURGAEVA SVETLANA NIKOLAEVNA</creatorcontrib><creatorcontrib>VAKHITOV KHALIT SABITOVICH</creatorcontrib><creatorcontrib>RASULEV ZUFAR GINIJATOVICH</creatorcontrib><creatorcontrib>ZAGIDULLIN RAIS NURIEVICH</creatorcontrib><title>METHOD OF PREPARING AQUEOUS SOLUTION OF DIMETHYLDIALLYLAMMONIUM CHLORIDE</title><description>FIELD: polymer precursor preparation methods. ^ SUBSTANCE: invention relates to improved method for preparing aqueous solution of dimethyldiallylammonium chloride, which can be then polymerized to produce high-efficiency polyelectrolytes applicable in chemical, petrochemical, and petroleum processing, paper-and-pulp, and other industries. 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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title METHOD OF PREPARING AQUEOUS SOLUTION OF DIMETHYLDIALLYLAMMONIUM CHLORIDE
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