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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Bibliographic Details
Main Authors PRAGER; FRANZ HERMANN, WIEDERMANN; ROLF, BLAHAK; JOHANNES
Format Patent
LanguageEnglish
Published 30.09.1975
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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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.
Bibliography:Application Number: US19730429244