Antibacterial fresh keeping packaging bag

Abstract

The invention relates to an antibacterial fresh keeping packaging bag, and belongs to the technical field of packaging bags. The packaging bag is prepared from, by weight, 80-100 parts of polypropylene resin, 3-7 parts of polyvinyl alcohol, 20-40 parts of starch, 0.2-1.5 parts of nano titanium dioxide, 2-5 parts of epoxidized soybean oil, 18-22 parts of dioctyl phthalate, 28-32 parts of polypropylene glycol adipate, 2-5 parts of organic modified nano calcium carbonate, 2-4 parts of modified copper sulfate, 3-5 parts of octadecyl-ammonium chloride, 2-4 parts of stearic acid, 1.5-2.5 parts of liquid paraffin, 0.5-1.5 parts of thymol, 0.5-1.5 parts of vanillic aldehyde, 1-2 parts of titanium dioxide and 0.02-0.09 part of brofenvalerate through melting, blending, extruding and film blowing. The dense bag has the insecticidal and antibacterial properties, people do not need to worry about that bacteria and insects can damage substances in the dense bag, and the bag is closer to life of people.

Description

technical field [0001] The invention relates to the technical field of packaging bags, in particular to an antibacterial and fresh-keeping packaging bag. Background technique [0002] Packaging bags refer to bags used to pack various supplies, making the goods convenient to transport and store during the production and distribution process. Widely used in daily life and industrial production. With the rapid development of my country's economy, the level of purchasing power and consumption willingness of domestic residents are gradually increasing, and consumption concepts will tend to further improve the quality of life. The market demands of liquid foods such as beverages, wines, edible oils and seasonings will also increase steadily along with the improvement of economic development and people's living standards. In the long run, my country's liquid food industries such as beverages, alcohol, edible oil and condiments still have a lot of room for growth, especially the i...

AI Technical Summary

Problems solved by technology

However, there are some defects in the packaging bags of the prior art: but some packaging bags are not strong enough, which can easily cause the tearing of the packaging bag, so that the function of packaging cannot be achieved; and some packaging bags cannot meet the antibacterial requirements.