PRODUCTION OF ACRYLIC FILM

PROBLEM TO BE SOLVED: To produce an acrylic film of good quality at a low cost by extrusion molding. SOLUTION: An acrylic film is produced from an acrylic resin powder with a mean particle size of 500 μm or more by a drying process for drying the acrylic resin being a raw material by a dryer l havin...

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Bibliographische Detailangaben
Hauptverfasser:	TATEYAMA MASAMITSU, MORIHISA TADAO, OISHI ICHIRO, NAKAGAWA KAZUHIKO, TOMIYAMA KAZUHIRO
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 GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To produce an acrylic film of good quality at a low cost by extrusion molding. SOLUTION: An acrylic film is produced from an acrylic resin powder with a mean particle size of 500 μm or more by a drying process for drying the acrylic resin being a raw material by a dryer l having a bridge breaker 5 or a rotary valve 6 to reduce the moisture content thereof to 0.3% or less and an extrusion molding process supplying the raw material to a single screw extruder to knead and extrude the same to form a film.