PROCESS FOR PREPARING HIGH MOLECULAR WEIGHT POLYMERS OF FORMALDEHYDE

Formaldehyde polymers crystallizable in orthorhombic form are prepared by contacting a polyoxymethylene (e.g. paraformaldehyde) in an aqueous medium with an excess of a metastable aqueous formaldehyde solution in the presence of an alkali metal or quaternary ammonium salt of carboxylic acid at a pH...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SILVIO BEZZI, GUIDO GALIAZZO, LUIGI MORTILLARO, GEROLAMO GAGGIA
Format:	Patent
Sprache:	eng
Schlagworte:	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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