IRRADIATED RESIN MOLDING

The invention provides a resin molding and a method of producing the same in which sterilizability thereof is secured and discoloration (yellowing) thereof is reduced even when the resin molding is radiation-irradiated under anaerobic conditions (deoxidation conditions). The radiation-irradiated and...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI, Kohei, HIROI, Miya, HIROI, Yoshiomi
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY BEER BIOCHEMISTRY BRAIDING CHEMISTRY 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 COTTON-WOOL ENZYMOLOGY FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS HANDLING THIN OR FILAMENTARY MATERIAL KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING NON-WOVEN FABRICS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SPIRITS STORING TEXTILES TRANSPORTING TRIMMINGS VINEGAR WADDING WINE
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Beschreibung
Zusammenfassung:	The invention provides a resin molding and a method of producing the same in which sterilizability thereof is secured and discoloration (yellowing) thereof is reduced even when the resin molding is radiation-irradiated under anaerobic conditions (deoxidation conditions). The radiation-irradiated and packaged resin molding is primarily packaged with a packaging material having oxygen permeability and then secondarily packaged with an oxygen impermeable packaging material together with a deoxidizer. The method of producing a radiation-irradiated and packaged resin molding involves a step of primarily packaging a resin molding before radiation irradiation with a packaging material having oxygen permeability, a step of subsequently secondarily packaging with an oxygen impermeable packaging material together with a deoxidizer, and then a step of conducting radiation irradiation. A step of opening the secondary packaging under the atmosphere, following the radiation irradiation step, is preferred.