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1.发明授权Process for the production of rigid foam resins which contain predominantly isocyanurate ring structures 失效用于生产主要含有异氰脲酸酯环结构的硬质泡沫树脂的方法
公开(公告)号：US3909465A
公开(公告)日：1975-09-30
申请号：US42924473
申请日：1973-12-28
Applicant: BAYER AG
Inventor： WIEDERMANN ROLF , BLAHAK JOHANNES , PRAGER FRANZ HERMANN
CPC classification number: C08G18/10 , C08G18/09 , C08G2101/0025 , C08G18/02 , C08G18/3225
Abstract: Rigid foam resins containing isocyanurate ring structures prepared by reacting an aromatic amine containing compounds with the usual polyhydroxyls, polyisocyanates and blowing agents in the presence of a trimerization catalyst which are useful as insulating materials.
Abstract translation: 含有异氰脲酸酯环结构的刚性泡沫树脂通过含芳族胺化合物与通常的多羟基，多异氰酸酯和发泡剂在三聚催化剂存在下反应制备，所述三聚催化剂可用作绝缘材料。
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