Cylindrical gas-phase waterproof and antirust paper for multi-metal packaging

• Main Authors: ZHAO QINGMEI, LU XIANGWEI
• Format: Patent
• Language: Chinese; English
• Published: 01.08.2023
• Subjects: IMPREGNATING OR COATING OF PAPER; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PERFORMING OPERATIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; TEXTILES; TRANSPORTING; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

The utility model discloses cylindrical gas-phase waterproof and antirust paper for multi-metal packaging, which is characterized in that a paper body is formed by mutually bonding and laminating a paper layer and at least one functional layer, and the whole paper body is of a cylindrical structure; at least one of the paper layer and the functional layer is an integrally-formed cylindrical structure layer, and the other layers are bonded to form the cylindrical structure layer through the joint edges of the butt joint edges. According to the cylindrical gas-phase waterproof and antirust paper for multi-metal packaging, different packaging properties can be achieved by arranging different functional layers, and the packaging requirements of different packaging objects are met; the whole paper body is arranged to be of the barrel-shaped structure, so that the paper body can be directly arranged on a packaged object in a sleeving mode for rapid packaging, cooperation of multiple persons is not needed, the packa