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The new packaging increased the credibility of enterprises and improved packaging has become an important issue for companies. Therefore, scientists from all over the world have successively studied the packaging that monitors the validity of foods and does not easily constitute food contamination.
New packaging that can supervise the effective period of food refers to the fact that when the food exceeds the expiration date, its packaging begins to be automatically decomposed, loosened, and broken. With the increase of the expiration date, this phenomenon becomes more and more serious until it completely falls off with the food, indicating that the product has been lost. Market value should not be sold and eaten. Another feature of this package is that it does not constitute all kinds of man-made pollution, neither pollution nor environmental pollution.
The use of this type of packaging has created a perfect brand image in the minds of consumers, increased the credibility of the company, and enabled the company's products to sell well. During the investigation, it was found that consumers consistently held a positive attitude toward this type of packaging. They all said that they would buy the newly packaged food.
The social benefits of new packaging are obvious There are currently three major categories of such packaging, some of which have been commercialized, and some are about to be commercialized. One is a packaging material in which a polymer compound is used as a raw material and its decomposition principle is based on its temperature and humidity. Its strength, good toughness, not afraid of water, cleaning, safety, and ordinary plastic packaging exactly the same, according to food requirements in the effective period intact. After failure, the packaging material can be discarded in water (seawater or fresh water) and decomposed into carbon dioxide, water and water, microorganisms and fish-like substances. The second category is based on starch-based hydrocarbons, followed by photo-thermal electricity as a descendant of packaging materials. It has the durability, light and beautiful appearance, thermal insulation, anti-freeze, corrosion resistance, water permeability and other physical properties, exactly the same as ordinary packaging, the photothermal electric descent agent and the number can control the packaging decomposition rate, according to food requirements in the validity period intact Lossless. After the validity period expires, the packaging will automatically decompose and rupture along with the light, gradually reducing its molecular chain, and then decomposing into a granular minimal substance, which is buried in the soil and then biodegraded by the bacteria into fertilizer, which does not constitute pollution to the crop. The third category is based on the cellulose extracted from straw, wheat straw and other Polygonaceae herbaceous plants as the main raw material. The proper amount of starch is added to the packaging material. It can ensure various validity periods according to the needs of food. Its performance is no different from ordinary packaging, but only the beginning of food. Failure, it will also fall apart with no effect, the destruction of the packaging can write poultry, livestock and fish feed.
As this new type of packaging has a degradable function, it will not cause pollution to the environment and its social benefits are very obvious.
At present, there are increasing trends in fake and shoddy foods on the market, which has caused many manufacturers of brand-name products to be irritated. After these expired products are expired, they are still sold on the market by means of replacement of production dates, making it even more difficult for name brand product companies to parry.