PROCESS FOR PRODUCTION OF POLYVINYLBUTYRAL ARTICLE

A polyvinylbutyral moulding is produced by extruding a moulding composition containing polyvinylbutyral, plasticiser, a phenolic stabiliser and a triester of phosphorous acid. Before or during the extrusion, A) 0.05 - 0.5% by weight of the phenolic stabiliser and B) 0.02 - 0.5% by weight of a phosph...

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Bibliographische Detailangaben
Hauptverfasser:	HANS DIETER HERMANN, KLAUS FABIAN, ULRICH MARTIN HUTTEN
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	A polyvinylbutyral moulding is produced by extruding a moulding composition containing polyvinylbutyral, plasticiser, a phenolic stabiliser and a triester of phosphorous acid. Before or during the extrusion, A) 0.05 - 0.5% by weight of the phenolic stabiliser and B) 0.02 - 0.5% by weight of a phosphorous acid triester which is nonvolatile during processing, are added to the polymer and/or the plasticiser, the sum A + B being