Title:
ビュレット構造を有するポリイソシアネートの製造方法
Document Type and Number:
Japanese Patent JP4926334
Kind Code:
B2
Abstract:
A process for the continuous production of polyisocyanates (I) having a biuret structure by continuous reaction of an excess of organic diisocyanates having exclusively aliphatic and cycloaliphatic isocyanate groups with organic diamines having exclusively aliphatic and cycloaliphatic primary amine groups at greater than 170 degrees C comprises dose addition of acids during the reaction.
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Inventors:
Reinhard Halperp
Dieter Margar
Siegfried Eccle
Halalto meltes
Dieter Margar
Siegfried Eccle
Halalto meltes
Application Number:
JP2001149513A
Publication Date:
May 09, 2012
Filing Date:
May 18, 2001
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
C08G18/32; C07C273/18; C08G18/72; C08G18/78; C08G18/79
Domestic Patent References:
| JP2000516287A | ||||
| JP11508600A | ||||
| JP8225511A |
Foreign References:
| WO1998007771A1 |
Attorney, Agent or Firm:
Aoyama Aoi
Yasuo Shibata
Yasuo Shibata