PROCEDE DE FABRICATION DE PAPIER ET MATIERES D'EMBALLAGE POUR ENVELOPPER DES PRODUITS METALLIQUES

• Main Author: YOSHIKA NOMURA, SUSUMU SANO ET SADAHIRO SHOJI
• Format: Patent
• Language: French
• Published: 06.04.1984
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; APPARATUS THEREFOR; 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; DYES; HANDLING THIN OR FILAMENTARY MATERIAL; IMPREGNATING OR COATING OF PAPER; MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER; MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD ORMATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PAINTS; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PERFORMING OPERATIONS; POLISHES; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS; PULP COMPOSITIONS; REGENERATION OF PULPING LIQUORS; STORING; TEXTILES; TRANSPORTING; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; USE OF MATERIALS AS ADHESIVES; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER

PROCEDE DE FABRICATION DE PAPIER ET MATIERES D'EMBALLAGE POUR ENVELOPPER DES PRODUITS METALLIQUES.L'INVENTION DECRIT UN PROCEDE POUR PRODUIRE UN PAPIER SPECIAL POUR EMBALLER DES MATIERES ET DES PRODUITS METALLIQUES, AINSI QUE DES MATIERES ET DES PRODUITS METALLIQUES, AINSI QUE DES MATIERES D'EMBALLAGE, TELLES QUE DES BOITES EN CARTON ONDULE PRODUITES AVEC CE PAPIER D'EMBALLAGE, LE PROCEDE COMPRENANT AU MOINS UNE DES ETAPES SUIVANTES : I PREPARATION D'UNE PATE AVEC UNE LIQUEUR DE CUISSON CONTENANT UN COMPOSE SOUFRE, PUIS OXYDATION DE LA PATE AINSI OBTENUE AVEC UN PEROXYDE; II CONDUCTION DE L'ETAPE DE FABRICATION DU PAPIER DANS LA REGION DES VALEURS DE PH NEUTRES COMPRISES ENTRE 6 ET 8; ET III APPLICATION D'UN AGENT DE PREVENTION DE LA ROUILLE OU DE L'OXYDATION A LA SURFACE DE LA FEUILLE DE PAPIER. Disclosed is a method of producing a packaging paper for packaging metallic materials, as well as a packaging material such as corrugated box produced from the packaging paper, the method comprising at least one of the steps of (i) pulping a material by a cooking liquor containing no sulfur compound, or pulping the material by a cooking liquor containing a sulfur compound and then oxidizing the pulp with a peroxide, (ii) conducting the paper making step in the neutral region of pH value ranging between 6 and 8, and (iii) applying a rust-prevention agent and/or a sterilizer to the paper sheet. Disclosed also are a packaging paper and packaging material for packaging metallic materials, produced by the above-mentioned method.