Manufacturing method of polyolefin-based multilayer composite porous film

Provided is a manufacturing method of a polyolefin-based multilayer composite porous film, including: a) forming a composition including a polyolefin resin and diluent to a sheet; b) stretching the sheet and extracting the diluent to manufacture a film; c) performing heat-treatment on the manufactur...

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Hauptverfasser:	SUNG, JUNGMOON, RHEE, JANG-WEON, KIM, HYUNGMIN, WOO, YOUNGJUN, KIM, JAEWOONG, KANG, GWIGWON, JOO, DONGJIN, KIM, YONGKYOUNG, JUNG, INHWA
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES ELECTRICITY FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	Provided is a manufacturing method of a polyolefin-based multilayer composite porous film, including: a) forming a composition including a polyolefin resin and diluent to a sheet; b) stretching the sheet and extracting the diluent to manufacture a film; c) performing heat-treatment on the manufactured film; and d) coating one surface or both surfaces of the heat-treated film with a coating solution containing a heat resistant resin, wherein step c) and step d) are continuously performed.