Method for reducing content of butenal in production process of polyvinyl alcohol

The invention discloses a method for reducing the content of butenal in a production process of polyvinyl alcohol. According to the method, the content of the butenal which enters a solvent methanol in the production process of the polyvinyl alcohol is reduced through adopting a reaction distillatio...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI ZEWU, XIAO QINJIAN, ZHOU JINHUA, LI ZIQI, ZENG WEIGUO, LI SHAOCHI, TIAN RENZHU, TIAN RENJING
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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