Title:
ウレトジオン、イソシアヌレートおよびイミノオキサジアジンジオン構造を有する脂肪族ポリイソシアネートの製造方法
Document Type and Number:
Japanese Patent JP2004534870
Kind Code:
A
Abstract:
Production of polyisocyanates by catalytic conversion of aliphatic diisocyanates comprises using a catalyst consisting of a salt in which the anion comprises 5-97.1 wt.% of 1,2,3- and/or 1,2,4-triazolate structures.
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Inventors:
Frank Richter
Reinhard Halperp
Jürgen Köcher
Hans-Joseph Lars
Reinhard Halperp
Jürgen Köcher
Hans-Joseph Lars
Application Number:
JP2002589535A
Publication Date:
November 18, 2004
Filing Date:
May 07, 2002
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
C07D251/34; C07B61/00; C07D229/00; C07D273/04; C08G18/02; C08G18/20; C08G18/79; C08G18/80; C09D175/04; (IPC1-7): C08G18/79; C07D229/00; C07D251/34; C07D273/04; C09D175/04
Domestic Patent References:
JPH11152320A | 1999-06-08 |
Attorney, Agent or Firm:
Aoyama Aoi
Yasuo Shibata
Kenichi Morizumi
Shigehisa Takayama
Yasuo Shibata
Kenichi Morizumi
Shigehisa Takayama