Invention Application
- Patent Title: Preparation of uretdione polyisocyanates
- Patent Title (中): 脲二酮多异氰酸酯的制备
-
Application No.: US12315286Application Date: 2008-12-02
-
Publication No.: US20090143558A1Publication Date: 2009-06-04
- Inventor: Frank Richter , Andreas Hecking , Reinhard Halpaap
- Applicant: Frank Richter , Andreas Hecking , Reinhard Halpaap
- Assignee: Bayer MaterialScience AG
- Current Assignee: Bayer MaterialScience AG
- Priority: DE102007058487.5 20071204
- Main IPC: C08G18/02
- IPC: C08G18/02
Abstract:
The invention relates to the use of specific pyridines as catalysts for the dimerization of isocyanates (uretdione formation) and a process for preparing polyisocyanates having a high content of uretdione groups.
Public/Granted literature
- US08134014B2 Preparation of uretdione polyisocyanates Public/Granted day:2012-03-13
Information query
