High-tech food packaging paper

In recent years, with the continuous advancement of science and technology, many high-tech packaging papers have emerged.
Insulation paper is a kind of paper developed by the United States that can convert solar energy into heat energy. It functions like a solar collector. If it is packaged with food and placed in a place exposed to sunlight, the food in the package will be heated. Only when the package is opened, the heat will be dissipated.
Anti-corrosion paper is a paper made by a Japanese company that can be used for food packaging. It is produced by immersing the base paper in an ethanol solution containing 20% ​​succinic acid, 33% sodium succinate and 0.07% sorbic acid, and then drying it. Foods with marinade in this paper can be stored at 38°C for 3 weeks without deterioration.
Okara paper is made from disused bean curd residue which is soluble in water and can be widely used for packaging instant noodles, condiments, barbecues, cakes, and fruits. Its method of preparation is to add fatty acid and protein acid to the bean curd residue to allow it to decompose, then wash it with warm water, dry the finished fiber, and then add the yam, steamed bread, dextrin, oligosaccharide, polypropylene glycol and other adhesives. production.
The pomace paper is a paper produced from apple pomace discarded by the food industry. The method of preparation is to remove the grains in the pomace and pulverize them into pulp, which can be caused by adding an appropriate amount of wood fiber. This kind of paper is easy to decompose after use. It can be burned or composted. It can also be reused for papermaking. It is not easy to pollute the environment and can be used for food packaging.