公开(公告)号：US20140058102A1

公开(公告)日：2014-02-27

申请号：US13971018

申请日：2013-08-20

Applicant: Bayer MaterialScience AG

Inventor： Reinhard Halpaap ,  Mario Schneider ,  Oswald Wilmes ,  Uwe Werner

IPC: C07D251/34

CPC classification number: C07D251/34 ,  C08G18/022 ,  C08G18/092 ,  C08G18/1875 ,  C08G18/755

Abstract: The invention relates to a process for preparing polyisocyanates containing isocyanurate groups by trimerising cycloaliphatic diisocyanates using a catalyst solution comprising at least one quaternary ammonium hydroxide, characterized in that the catalyst solution is metered in such that the reaction temperature is >90° C. and ≦140° C.

Abstract translation: 本发明涉及一种通过使用包含至少一种季铵氢氧化物的催化剂溶液使脂环族二异氰酸酯三聚制备含有异氰脲酸酯基团的多异氰酸酯的方法，其特征在于将催化剂溶液计量，使得反应温度> 90℃， 140℃

公开(公告)号：US09376403B2

公开(公告)日：2016-06-28

申请号：US13971018

申请日：2013-08-20

Applicant: Bayer MaterialScience AG

Inventor： Reinhard Halpaap ,  Mario Schneider ,  Oswald Wilmes ,  Uwe Werner

IPC: C07D251/34 ,  C08G18/75 ,  C08G18/02 ,  C08G18/09 ,  C08G18/18

CPC classification number: C07D251/34 ,  C08G18/022 ,  C08G18/092 ,  C08G18/1875 ,  C08G18/755

Abstract: The invention relates to a process for preparing polyisocyanates containing isocyanurate groups by trimerising cycloaliphatic diisocyanates using a catalyst solution comprising at least one quaternary ammonium hydroxide, characterized in that the catalyst solution is metered in such that the reaction temperature is >90° C. and ≦140° C.

Abstract translation: 本发明涉及一种通过使用包含至少一种季铵氢氧化物的催化剂溶液使脂环族二异氰酸酯三聚制备含有异氰脲酸酯基团的多异氰酸酯的方法，其特征在于将催化剂溶液计量，使得反应温度> 90℃，＆lt; ; 140℃