Title:
イソシアネートの製造方法
Document Type and Number:
Japanese Patent JP2010536928
Kind Code:
A
Abstract:
The invention provides a process for preparing polyisocyanates, comprising the steps of a) reacting amines with phosgene, b) removing hydrogen chloride, excess phosgene and, if appropriate, the solvent from the reaction mixture, c) separating the liquid mixture from step b) into a liquid phase and a gaseous phase, d) working up the gaseous phase from step c) to give the polyisocyanate.
Inventors:
Lampuf, Bernd
Bock michael
Fine, Martin
Streffer, Eckhart
Bock michael
Fine, Martin
Streffer, Eckhart
Application Number:
JP2010522352A
Publication Date:
December 02, 2010
Filing Date:
August 27, 2008
Export Citation:
Assignee:
BASF SE
International Classes:
C07C263/10; C07C265/14
Foreign References:
| US5962728A | 1999-10-05 |
Attorney, Agent or Firm:
Satoshi Eto