Anti-fog and mildew-proof rare earth antibacterial preservative film and preparation method thereof

• Main Authors: ZHAO TIANYU, GUO LI, ZHANG XINYU, ZHOU XIAO, LIANG LEI, ZHENG YUANBIN, CUI XIYU
• Format: Patent
• Language: Chinese; English
• Published: 08.09.2023
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; FOODS OR FOODSTUFFS; GENERAL PROCESSES OF COMPOUNDING; HUMAN NECESSITIES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS; THE PRESERVED, RIPENED, OR CANNED PRODUCTS; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

The invention discloses an anti-fog and mildew-proof rare earth antibacterial preservative film which comprises a rare earth inorganic antibacterial agent and carrier resin, the mass ratio of the rare earth inorganic antibacterial agent to the carrier resin is (30-38): (60-70) based on the total weight of the preservative film raw materials, the rare earth inorganic antibacterial agent comprises zinc oxide and rare earth oxide, the mass ratio of the zinc oxide to the rare earth oxide is (80-90): (10-20), and the mass ratio of the carrier resin to the zinc oxide is (80-90): (10-20). The rare earth oxide is at least one of zinc oxide and praseodymium oxide. The invention further discloses a preparation method of the anti-fog and mildew-proof rare earth antibacterial preservative film. The preservative film with better mildew-proof and antibacterial effects is prepared by utilizing the antibacterial effect of the specially-made rare earth inorganic antibacterial material, the growth and reproduction of microorga