Method of recovering dimethyl benzene from divinylacetylene varnish

Based on pressure-reducing distillation process, a special pressure-reducing distillation still is used for the gasifying separation of dimethyl benzene from divinylacetylene varnish, in which anti-oxidant has been added, distilled at 35-110 deg.C and a vacuum degree of 0.07-0.098 MPa. Said process...

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Bibliographische Detailangaben
Hauptverfasser:	DAN FUQIANG, JI LIXIN, CHEN JUN
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Based on pressure-reducing distillation process, a special pressure-reducing distillation still is used for the gasifying separation of dimethyl benzene from divinylacetylene varnish, in which anti-oxidant has been added, distilled at 35-110 deg.C and a vacuum degree of 0.07-0.098 MPa. Said process features simple technology, no secondary pollution, and easy operation.