Co-extrusion type base-coat-free matt film with antibacterial function and preparation method of co-extrusion type base-coat-free matt film

Abstract

The invention discloses a co-extrusion type base-coat-free matt film and a preparation method thereof, belonging to the technical field of pre-coated film composites. The film comprises a film body, wherein the film body sequentially comprises an antibacterial agent layer, a matt layer, an antistatic layer, a supporting layer, an adhesive layer and an anti-adhesion agent layer from top to bottom; antibacterial components of the antibacterial agent layer comprise one or more selected from a group consisting of graphene and derivatives thereof, sodium hypochlorite, nano-silver, cuprous oxide, zinc oxide, polyhexamethylene biguanide hydrochloride, polyhexamethylene guanidine hydrochloride, polyhexamethylene guanidine phosphate, organosilicon quaternary ammonium salt and a peony root bark extract. The co-extrusion type base-coat-free matt film with the antibacterial function has good antibacterial property and anti-pollution capacity.

Description

Technical field: [0001] The invention relates to the technical field of precoated film composite materials, in particular to a coextruded antibacterial function primerless matting film and a preparation method thereof. Background technique: [0002] Microorganisms such as bacteria and viruses have always accompanied humans. Accidents causing illness and death to humans due to bacterial infection, viral infection, and larger microbial hazards or disease transmission occur every day. The four major media for the transmission of microorganisms such as bacteria and viruses are: air, water, surfaces, and people. BOPP film has a history of more than 60 years of development and use in the world, and has penetrated into all aspects of human social life. Its convenience, hygiene, recyclability and other characteristics make it an indispensable plastic packaging material for national production and life. In the past ten years or so, the industry has been groping to realize the antib...

AI Technical Summary

Problems solved by technology

In the past ten years or so, the industry has been groping to realize the antibacterial function on the surface of the plastic film of the package, and each has its own shortcomings: there are small molecule additives, which are easy to migrate and have a short time to failure; An antibacterial solution for minor injuries; there is also a polymer graft assembly, a high technical threshold, and an antibacterial solution that is safe and does not fail

The antibacterial BOPP film contains metal silver ions, which will pollute the environment and cause hidden dangers to human health.

[0005] In the prior art, there is a lack of primerless matting film with good antibacterial properties and anti-pollution ability, which can be used for paper-plastic composites, and its preparation method

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