Title:
有機モノイソシアナート類の製造法
Document Type and Number:
Japanese Patent JP4761641
Kind Code:
B2
Abstract:
Production of monoisocyanates (I) with a boiling point of 70-320 degrees C from an isocyanate material (II) having a boiling point of at least 180 degrees C and a hydrolyzable chlorine (HC) content of at least 50 ppm. Production of monoisocyanates (I) with a boiling point of 70-320 degrees C from an isocyanate material (II) having a boiling point of at least 180 degrees C and a hydrolyzable chlorine (HC) content of at least 50 ppm comprises: (a) reacting (II) with a primary monoamine at 180 degrees C or less in a ratio of isocyanate group to amino groups of at least 4; and (b) distilling off (I), optionally under vacuum.
Inventors:
Martin Brahm
Lutz Schmalstijk
Ulrich Geron
Hans-Gunter Behr
Jörg Moravski
Lutz Schmalstijk
Ulrich Geron
Hans-Gunter Behr
Jörg Moravski
Application Number:
JP2001111265A
Publication Date:
August 31, 2011
Filing Date:
April 10, 2001
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
C07C263/06; C07C263/16; C07C263/20; C07C265/04; C07C265/08; C07C265/12
Domestic Patent References:
| JP2015054A | ||||
| JP1102086A |
Attorney, Agent or Firm:
Aoyama Aoi
Kyousei Tamura
Yushiro Tsuboi
Kyousei Tamura
Yushiro Tsuboi