METHOD OF OBTAINING 4,4-DIMETHYL-1,3-DIOXANE

METHOD OF OBTAINING 4,4-DIMETHYL-1,3-DIOXANE

FIELD: chemistry. ^ SUBSTANCE: invention concerns improved method of obtaining 4,4-dimethyl-1,3-dioxane by condensation of isobutylene containing fraction with water solution of formaldehyde in the presence of an acid catalyst and surfactants at high temperature and pressure, and further extraction...

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Hauptverfasser: MILOSLAVSKIJ GENNADIJ JUR'EVICH, KUZ'MIN VJACHESLAV ZINOV'EVICH, LIAKUMOVICH ALEKSANDR GRIGOR'EVICH, SAKHABUTDINOV ANAS GAPTYNUROVICH, BURGANOV TABRIZ GIL'MUTDINOVICH, SIBAGATULLIN GAMIL' GABDRAKHMANOVICH, AKHMED'JANOVA RAISA AKHTJAMOVNA, SAFAROVA IRINA IL'GISOVNA, GIL'MUTDINOV NAIL' RAKHMATULLOVICH, SAFIN DAMIR KHASANOVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:FIELD: chemistry. ^ SUBSTANCE: invention concerns improved method of obtaining 4,4-dimethyl-1,3-dioxane by condensation of isobutylene containing fraction with water solution of formaldehyde in the presence of an acid catalyst and surfactants at high temperature and pressure, and further extraction of 4,4-dimethyl-1,3-dioxane from the reacting mass. ^ EFFECT: increased conversion of the source reagents and 4,4-dimethyl-1,3-dioxane output due to reduced generation of high-boiling by-products. ^ 2 cl, 20 ex