NEW DEPOLYMERIZATION METHOD FOR POLYURETHANES

A new and improved process can be used for depolymerization of polyurethanes with a strong inorganic base. Polyether polyols and polyamines can be recovered in high yields.

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Bibliographische Detailangaben
Hauptverfasser:	PFEFFERLE, Walter, HINRICHS-TONTRUP, Natalia, HILDEBRAND, Jens, TERHEIDEN, Annegret
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	A new and improved process can be used for depolymerization of polyurethanes with a strong inorganic base. Polyether polyols and polyamines can be recovered in high yields.