COATING FILM AND VAPOR-DEPOSITED FILM
PROBLEM TO BE SOLVED: To provide a coating film for vapor deposition, which is excellent in oxygen- and water-vapor-barrier properties, particularly the water-vapor-barrier property, and is excellent in water resistance. SOLUTION: The coating film has a coating layer which is obtained through a step...
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| creator | TSUMAGARI YUMI KUWABARA MITSURU |
| description | PROBLEM TO BE SOLVED: To provide a coating film for vapor deposition, which is excellent in oxygen- and water-vapor-barrier properties, particularly the water-vapor-barrier property, and is excellent in water resistance. SOLUTION: The coating film has a coating layer which is obtained through a step of unidirectionally stretching an unstretched film made of a polymer resin composition, subsequently applying a water dispersion coating liquid of a polyurethane resin composition having a urethane ligand, a urea ligand and an acid group to the obtained stretched film and subsequently stretching the stretched film coated with the coating liquid in a direction perpendicular to the first stretching direction and a heat-treatment step. The coating layer has a water contact angle within the range of 50-100° and a three-dimensional surface roughness SRa of ≤0.040 μm. COPYRIGHT: (C)2010,JPO&INPIT |
| format | Patent |
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SOLUTION: The coating film has a coating layer which is obtained through a step of unidirectionally stretching an unstretched film made of a polymer resin composition, subsequently applying a water dispersion coating liquid of a polyurethane resin composition having a urethane ligand, a urea ligand and an acid group to the obtained stretched film and subsequently stretching the stretched film coated with the coating liquid in a direction perpendicular to the first stretching direction and a heat-treatment step. The coating layer has a water contact angle within the range of 50-100° and a three-dimensional surface roughness SRa of ≤0.040 μm. 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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING GENERAL PROCESSES OF COMPOUNDING HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP |
| title | COATING FILM AND VAPOR-DEPOSITED FILM |
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