METHOD FOR REMOVING DEPOSITED POLYMER

METHOD FOR REMOVING DEPOSITED POLYMER

PROBLEM TO BE SOLVED: To provide a method for removing a deposited polymer, capable of completely removing the polymer deposited on the inner wall of a reactor used for a reaction in which a Diels-Alder adduct of a conjugated olefin and acrylonitrile is produced by reacting the conjugated olefin wit...

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Hauptverfasser: MIZUTANI SUKEYOSHI, KAGEYAMA HIROHARU, NUMA AKIO, FUKADA ISAO
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
CLEANING
CLEANING IN GENERAL
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PREVENTION OF FOULING IN GENERAL
TRANSPORTING
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creator MIZUTANI SUKEYOSHI
KAGEYAMA HIROHARU
NUMA AKIO
FUKADA ISAO
description PROBLEM TO BE SOLVED: To provide a method for removing a deposited polymer, capable of completely removing the polymer deposited on the inner wall of a reactor used for a reaction in which a Diels-Alder adduct of a conjugated olefin and acrylonitrile is produced by reacting the conjugated olefin with the acrylonitrile, without marring the inner wall surface of the reactor, and capable of being industrially adapted enough. SOLUTION: This method for removing the deposited polymer comprises heating and washing the polymer deposited on the inner wall of the reactor used for the reaction by using a solution of an organic compound in which an alkali metal compound is dissolved.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
CLEANING
CLEANING IN GENERAL
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PREVENTION OF FOULING IN GENERAL
TRANSPORTING
title METHOD FOR REMOVING DEPOSITED POLYMER
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