METHOD OF COLOURANT PERCEPTIBILITY IMPOSURE ON POLYOLEPHINE FILMS USED FOR PACKAGE AND STORAGE OF VARIOUS FOOD PRODUCTS, SUCH AS MILK

FIELD: chemistry. ^ SUBSTANCE: method involves film processing with gas mix of fluorine and nitrogen at fluorine concentration of 1 to 10 vol. %. Processed film is exposed to ammonia in aqueous solution or in gas mix for 10 seconds or less, with further film fanning with air. ^ EFFECT: possible appl...

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Hauptverfasser:	MAKASEEV ANDREJ JUR'EVICH, BUJNOVSKIJ ALEKSANDR SERGEEVICH, GARBUKOV JURIJ VASIL'EVICH, MAKASEEV JURIJ NIKOLAEVICH, KHARITONOV ALEKSANDR PAVLOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	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 MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING UNPACKING WORKING-UP
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Beschreibung
Zusammenfassung:	FIELD: chemistry. ^ SUBSTANCE: method involves film processing with gas mix of fluorine and nitrogen at fluorine concentration of 1 to 10 vol. %. Processed film is exposed to ammonia in aqueous solution or in gas mix for 10 seconds or less, with further film fanning with air. ^ EFFECT: possible application of plyolephine films with marks as package material for food storage due to neutralisation of hydrogen fluoride remaining at the film surface. ^ 3 cl, 5 ex Изобретение относится к области техники поверхностного модифицирования полимерных материалов для придания им восприимчивости к красителям. Способ включает обработку пленки газообразной смесью фтора с азотом при концентрации фтора от 1 до 10 об.%. Обработанную пленку подвергают в течение не более 10 с воздействию аммиака в водном растворе или в газовой смеси с последующим обдуванием пленки воздухом. Нейтрализация оставшегося на поверхности пленки фтористого водорода позволяет использовать полиолефиновые пленки с надписями в качестве упаковочного материала для хранения пищевых продуктов. 2 з.п. ф-лы.