As people's requirements for quality of life and food safety continue to increase, more and more requirements and higher and higher standards are imposed on the functionality of food packaging. Under this circumstance, the development of new varieties of plastic film for food packaging in various countries around the world is also very active, so as to meet the humanization needs of the market to the utmost.
Functional film timely launch
France introduced two new packaging films processed from ordinary polyethylene (PVC) materials to the market, which can be used to identify whether or not the packaged food will be used as a genetically modified raw material. Using this specially treated PVC film for packaging, it is possible to identify whether its package contents such as soybean oil are processed from genetically modified soybean material. Even for foods containing only 5%-10% of genetically modified soy, it can be clearly identified. France also introduced to the market a double-layer superimposed film dedicated to packaging meats. The outer layer is a high-density polyethylene film with special structure and properties, and the inner layer is edible paper. Packaging the meat with the film can solve the problem that ordinary materials packaged meat will be immersed in bleeding and grease, and will not easily separate on the meat and cause the surface to form a hard skin, so as to maintain the original color, fragrance and taste of the meat.
Recently, a British company successfully developed a new type of plastic food packaging, which has a passive and active barrier function, can effectively inhibit the infiltration of oxygen, even after the food bag cooking, the role will not diminish. The new plastic food packaging can not only extend the storage period of the product, but also can directly use the microwave oven heating, especially for the packaging of instant noodle foods. This new packaging is composed of 6 layers of different materials. The second layer is polypropylene, which is a polymeric material with high oil resistance; the second and fourth layers are adhesive glues; the third layer is oxygen-blocking polymeric material EVOH; and the fifth layer is an oxygen scavenger mixture. The so-called active barrier not only prevents the ingress of foreign oxygen molecules, but also absorbs the oxygen in the package. The last layer is made of polypropylene. In the new package, the oxygen scavenger can retain its activity even in the presence of moisture. Extend the shelf life of foods.
Switzerland has recently developed, produced and marketed special cover films for microwave oven products – Simkashin. The film is not only resistant to high pressure, but also has good anti-fog properties. The use of this cover film is particularly useful for heating various dishes in a microwave oven, which can be quickly and conveniently heated for food. During the heating process, the pressure generated by water vapor can be safely released through the membrane. A plastic processing company in Ruitu developed a chemically self-destructive plastic that can gradually dissolve and no longer pollute the environment. This chemically self-destroying plastic is sprayed with a specially formulated solvent that reacts with the plastic to gradually dissolve the plastic and become a substance that can be washed away by water. After the composite plastic film produced from this new type of plastic is made into food and beverage packaging, once the package is torn open, the inner layer coated with special reagents absorbs moisture in the air and reacts with the polymer with a reactive group. It will slowly disintegrate like a perforation.
According to overseas media reports, German scientists have successfully developed antimicrobial plastic packaging using medical expertise. The packaging is suitable for the packaging of liquid beverages such as milk, and is an important change in the field of food packaging technology. Researchers from the German Processing Manufacturers and Packaging Technology Association used coating technology to apply a layer of antiseptic and antibacterial material to the plastic packaging film instead of adding preservatives to the food. This kind of coating can be realized by a composite resin or other based material and special technology.
Affected by the trend of international packaging, domestic beer and beverage manufacturers began to use plastic film packaging in the product packaging process and gradually replace the traditional carton. The advantages of using plastic film packaging are: low packaging cost; can effectively reduce the accidents of burst bottles and wounds; solve the problem of contamination of the surface of the memory bottle during the circulation and stacking of the plastic turnover box; the scope of application is wide and can be used for glass bottles. The packaging of products such as metal cans and cartons can give consumers a refreshing feeling.
Functional film timely launch
France introduced two new packaging films processed from ordinary polyethylene (PVC) materials to the market, which can be used to identify whether or not the packaged food will be used as a genetically modified raw material. Using this specially treated PVC film for packaging, it is possible to identify whether its package contents such as soybean oil are processed from genetically modified soybean material. Even for foods containing only 5%-10% of genetically modified soy, it can be clearly identified. France also introduced to the market a double-layer superimposed film dedicated to packaging meats. The outer layer is a high-density polyethylene film with special structure and properties, and the inner layer is edible paper. Packaging the meat with the film can solve the problem that ordinary materials packaged meat will be immersed in bleeding and grease, and will not easily separate on the meat and cause the surface to form a hard skin, so as to maintain the original color, fragrance and taste of the meat.
Recently, a British company successfully developed a new type of plastic food packaging, which has a passive and active barrier function, can effectively inhibit the infiltration of oxygen, even after the food bag cooking, the role will not diminish. The new plastic food packaging can not only extend the storage period of the product, but also can directly use the microwave oven heating, especially for the packaging of instant noodle foods. This new packaging is composed of 6 layers of different materials. The second layer is polypropylene, which is a polymeric material with high oil resistance; the second and fourth layers are adhesive glues; the third layer is oxygen-blocking polymeric material EVOH; and the fifth layer is an oxygen scavenger mixture. The so-called active barrier not only prevents the ingress of foreign oxygen molecules, but also absorbs the oxygen in the package. The last layer is made of polypropylene. In the new package, the oxygen scavenger can retain its activity even in the presence of moisture. Extend the shelf life of foods.
Switzerland has recently developed, produced and marketed special cover films for microwave oven products – Simkashin. The film is not only resistant to high pressure, but also has good anti-fog properties. The use of this cover film is particularly useful for heating various dishes in a microwave oven, which can be quickly and conveniently heated for food. During the heating process, the pressure generated by water vapor can be safely released through the membrane. A plastic processing company in Ruitu developed a chemically self-destructive plastic that can gradually dissolve and no longer pollute the environment. This chemically self-destroying plastic is sprayed with a specially formulated solvent that reacts with the plastic to gradually dissolve the plastic and become a substance that can be washed away by water. After the composite plastic film produced from this new type of plastic is made into food and beverage packaging, once the package is torn open, the inner layer coated with special reagents absorbs moisture in the air and reacts with the polymer with a reactive group. It will slowly disintegrate like a perforation.
According to overseas media reports, German scientists have successfully developed antimicrobial plastic packaging using medical expertise. The packaging is suitable for the packaging of liquid beverages such as milk, and is an important change in the field of food packaging technology. Researchers from the German Processing Manufacturers and Packaging Technology Association used coating technology to apply a layer of antiseptic and antibacterial material to the plastic packaging film instead of adding preservatives to the food. This kind of coating can be realized by a composite resin or other based material and special technology.
Affected by the trend of international packaging, domestic beer and beverage manufacturers began to use plastic film packaging in the product packaging process and gradually replace the traditional carton. The advantages of using plastic film packaging are: low packaging cost; can effectively reduce the accidents of burst bottles and wounds; solve the problem of contamination of the surface of the memory bottle during the circulation and stacking of the plastic turnover box; the scope of application is wide and can be used for glass bottles. The packaging of products such as metal cans and cartons can give consumers a refreshing feeling.
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