Preservative film with antibacterial function and preparation method thereof

Abstract

The invention relates to a preservative film with an antibacterial function and a preparation method of the preservative film. The preservative film is prepared by the following components in parts by weight: 100 parts of polyethylene, 2 to 3 parts of polydimethylsiloxane biquaternary ammonium salt, 5 to 6 parts of konjak, 7 to 9 parts of pomegranate bark, 1 to 2 parts of onion juice, 3 to 5 parts of eleocharis tuberosa peel acid alcohol extractive, 5 to 7 parts of shaddock ped extractive, 3 to 4 parts of chitin, 1 to 2 parts of starch, 2 to 3 parts of citric acid and 4 to 5 parts of glycerinum. The invention provides the preservative film with the antibacterial function and the preparation method of the preservative film; the prepared preservative film has antibacterial and bacteriostatic functions, and is applicable to retaining freshness of daily fruits and vegetables; the antibacterial function of the preservative film is effectively improved; breeding of microorganisms is reduced; the breeding of bacillus, pseudomonas, trichoderma, saccharomycetes, basidiomycetes, xylaria, streptomyces and filamentous actinomycetes and the like can be effectively inhibited; and the preservative film has the high efficient sterilizing function.

Description

technical field [0001] The invention relates to a plastic film, in particular to a fresh-keeping film with antibacterial function and a preparation method thereof. Background technique [0002] Plastic wrap is a kind of plastic packaging product commonly used by people to keep fresh food, and now many families cannot do without them. Plastic wrap is mainly used in microwave food heating, refrigerator food preservation, fresh and cooked food packaging, etc., and is widely used in the field of food packaging. Plastic wrap can effectively prevent food from being affected by the external environment, and can effectively keep food fresh. At present, there are ordinary plastic wraps in the domestic market, but they basically do not contain antibacterial agents. The technology of the produced plastic wrap varies from good to bad. The produced plastic wrap has problems such as poor antibacterial effect and easy discoloration. The technology of producing plastic wrap needs to be imp...

AI Technical Summary

Problems solved by technology

Plastic wrap can effectively prevent food from being affected by the external environment, and can effectively keep food fresh. At present, there are ordinary plastic wraps in the domestic market, but they basically do not contain antibacterial agents. The technology of the produced plastic wrap is mixed, the antibacterial effect of the produced plastic wrap is not good, easy to change color and other problems, the technology of producing plastic wrap needs to be improved