METHOD AND DEVICE FOR PURIFYING VISCOUS AND/OR SOLID ISOCYANATES FROM A PRODUCT FLOW FROM ISOCYANATE SYNTHESIS

METHOD AND DEVICE FOR PURIFYING VISCOUS AND/OR SOLID ISOCYANATES FROM A PRODUCT FLOW FROM ISOCYANATE SYNTHESIS

The present invention relates to a process for the purification of a product stream from isocyanate synthesis, wherein the isocyanate converted to the gas phase from the product stream is continuously deposited on a rotating cooled roller and removed from the roller. The present invention further re...

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Hauptverfasser: Bellinghausen, Rainer, Morawski, Joerg
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator Bellinghausen, Rainer
Morawski, Joerg
description The present invention relates to a process for the purification of a product stream from isocyanate synthesis, wherein the isocyanate converted to the gas phase from the product stream is continuously deposited on a rotating cooled roller and removed from the roller. The present invention further relates to an apparatus for the purification of a product stream from isocyanate synthesis, wherein the apparatus has both a heated roller and a condensation roller.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title METHOD AND DEVICE FOR PURIFYING VISCOUS AND/OR SOLID ISOCYANATES FROM A PRODUCT FLOW FROM ISOCYANATE SYNTHESIS
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