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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2009, Volume 46, Issue 1,





bis-Mannich Polyether Polyols with Aromatic Structures


Abstract:
The paper presents the synthesis of bis-Mannich polyolic compounds with high aromatic content and thermostable structures. Synthesis of bis-Mannich polyolic bases was performed by the reaction of acidic substrates such as phenols with the Mannich precursor reagent, such as bis-1,3-oxazolidine derivate compound, followed by alkoxylation in the absence of a catalyst. Applications of these polyols are poured and “spray” rigid polyurethane foams synthesis with high thermostability and enhanced flame retardancy properties. Keyword: N,N’-hydroxyethyl-bis-1,3-oxazolidine; bis-Mannich polyether polyols; rigid polyurethane foams



Issue: 2009 Volume 46, Issue 1
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