Process for producing improved rigid polyisocyanurate foams based on aromatic polyester polyols and ethylene oxide-based polyether polyols
The present invention relates to a process for producing rigid polyisocyanurate foams, wherein (A) polyisocyanates are mixed with (B) compounds having isocyanate-reactive hydrogen atoms, (C) flame retardants, (D) blowing agents, (E) catalyst at an isocyanate index of at least 220 to afford a reactio...
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Sprache: | chi ; eng |
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