Process for the production of rigid foam resins which contain predominantly isocyanurate ring structures
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.
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
30.09.1975
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Subjects | |
Online Access | Get full text |
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Summary: | 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. |
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Bibliography: | Application Number: US19730429244 |