Porous resin film and ink jet recording medium

A porous resin film which is obtained from a compound prepared by kneading a composition comprising 30 to 100% by weight of a thermoplastic resin comprising a hydrophilic thermoplastic resin and 0 to 70% by weight of an inorganic and/or an organic powder in an intermeshing twin-screw extruder at a s...

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Bibliographische Detailangaben
Hauptverfasser:	OI SHIGEKAZU, IWASA YASUO
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 COLOUR PRINTING COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LINING MACHINES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS 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 porous resin film which is obtained from a compound prepared by kneading a composition comprising 30 to 100% by weight of a thermoplastic resin comprising a hydrophilic thermoplastic resin and 0 to 70% by weight of an inorganic and/or an organic powder in an intermeshing twin-screw extruder at a screw shear rate of 300 sec-1 or higher and which has a liquid absorbing capacity of 0.5 ml/m2 or more as measured in accordance with the method specified in Japan TAPPI Standard No. 51-87.