公开(公告)号：DE102005027814A1

公开(公告)日：2006-12-21

申请号：DE102005027814

申请日：2005-06-15

Applicant: BASF AG

Inventor： FIENE MARTIN ,  BOEHLING RALF ,  STROEFER ECKHARD ,  VOGEL HERBERT ,  MESRI FATIMA

IPC: C07C263/20 ,  B09B3/00 ,  C07B43/04 ,  C07C209/62 ,  C07C263/10 ,  C08J11/10

Abstract: The present invention provides a process for working up isocyanate adducts, comprising the steps of a) reacting the isocyanate adducts with pure ammonia, b) working up the reaction products obtained in step a), c) recycling the amines formed into the isocyanate production.