PARA-ORIENTED ARAMIDE COATING FILM AND ITS MANUFACTURE

PURPOSE:To provide a coating film which is excellent in heat resistance and non-flammability and excellent in electric insulation in a state tightly adhered to a coated object to improve reliability by coating a para-alamide coating film on an object (electric part, mechanic part, etc.) in a tightly...

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Bibliographische Detailangaben
1. Verfasser:	NAGASAWA HIROSAKU
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING 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:	PURPOSE:To provide a coating film which is excellent in heat resistance and non-flammability and excellent in electric insulation in a state tightly adhered to a coated object to improve reliability by coating a para-alamide coating film on an object (electric part, mechanic part, etc.) in a tightly adhered form. CONSTITUTION:A para-oriented aramide film 4 is used as a material which can provide a shrink-packaged state, while a wet coagulated film of poly- paraphenilene-terephthalamide is specifically used. After the para-alamide swelled film 4 with swelling agent contained by 20% or more with respect to polymer is wound around an object 1 to be coated, the film 4 is shrunk while the swelling agent is being removed by heating, etc., so that the film 4 is tightly adhered to an outer shape of the object 1 to have it coated. As a method for having the swelling agent contained in the film, a method for soaking the film in solvent or plasticizer having affinity with the polymer to swell it, etc., is used.