Method for recovering toluene diamine from high boiling tar residue discharged from toluene diisocyanate preparation process

Disclosed is a method for recovering toluene diamine from a fluid, high-boiling tar residue discharged from TDI preparation processes. After free TDI is separated and recovered from the tar residue, the remaining solid residue is pulverized, slurried and hydrolysis-treated in the presence of a catal...

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Bibliographische Detailangaben

1. Verfasser:	HAN KEE-DO,HAN JOO-HEE,CHUNG CHANG-MO,SHIN YOUNG-HO,DO SEUNG-HOE,HAN GI-WOO
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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