Water-Resistant Paper Water-resistant paper has good water resistance and air permeability, because its permeability is higher than that of other materials, its surface strength and interlayer strength are high, it has antibacterial properties, and it can also absorb ammonia. These features are not derived from additive resins and chemicals, but rely on the raw material's pulp and are therefore safe and harmless. Since MWS has the above features, it can be expected to be applied to food packaging materials, dew condensation absorbent films (sheets) and other fields. At present, MWS has been applied to the vacuum packaging of wine trough foods, and it is compounded with other materials. As a wrapper for multi-moisture semi-finished foods, MWS gives full play to its advantages of mildew proof, water absorption and water resistance.
Thermal protein coating paper A Japanese food company has also developed a protein-coated wrapper, which is a wrapper made by dissolving protein. The use of protein as a coating on top of paper, made of special technology and packaging film, can withstand a certain temperature, prevent erosion, non-toxic, convenient food processing, no pollution to the environment.
Paper that converts solar energy to thermal energy The United States has developed a paper that converts solar energy into heat, which can act as a solar collector. Use this type of insulation paper to package foods and place them in a place exposed to sunlight. The food in the package will be heated. Only when the package is opened, the heat can be dissipated.
Heat-sealing packaging paper Heat-sealing packaging paper has the characteristics of heat-sealing, ventilation, oil resistance, water resistance, safety and harmlessness. In order to make the packaging paper have heat-sealing properties, the surface of the heat-sealable resin paper is covered with a coating or polyethylene-bonded to make it have heat-sealing property, and it is not necessary to perform secondary processing to obtain air permeability, and its ventilation can be based on the user. Requires control. Foods packaged in this kind of air-permeable wrapper can be heated by electron waves and there is no steam in the package, which keeps the food surface fresh. Since it has the following features, the heat-sealable wrapper can be expected to be a packaging material of frozen food heated by electron waves, which is currently used for packaging hamburgers.
Insulation Wrapper The function of this kind of paper is to maintain the freshness, freshness, and freshness of cooked foods for people to eat on different occasions in order to meet the fast-paced needs of people today. The principle of this insulation paper is to convert light energy into heat like a solar collector. Usually, people only need to put this special paper on the place where sunlight can shine, and the space surrounded by the paper will be constantly replenished with heat, so that the food in the paper will maintain a certain degree of heat, so that people can eat hot and delicious at any time. Food.
Fruit and vegetable type fruit residue paper Japan's Takasaki Paper Company uses fruit pomace that is discarded from the food industry to produce pomace paper. The method is simple. The grain in the pomace is removed, and is pulverized into pulp and can be made by adding appropriate amount of wood fiber. After the use of fruit residue paper is easy to decompose, can be burned or compost, it can also be recycled paper, not easy to pollute the environment.
Okara Paper A Japanese research institute has used new technology to make bean paste as a raw material to make a wrapper that is soluble in heat, has a certain nutritional value, and can be eaten. The wrapper is suitable for instant noodles seasoning and can be eaten together when eaten.
Carrot Wrapper The carrot paper developed in the UK uses carrots as a base material, adding appropriate thickeners, plasticizers, and water repellents, and using the natural color of carrots to make an inexpensive, edible color vegetable paper. This product can be used as an individual (inner) package of boxed foods or eaten directly as a convenience food, which can not only reduce environmental pollution, but also enhance the beauty of food and increase consumer's food interest and appetite. Carrot paper is an edible color paper, with strong flexibility and a certain degree of waterproof, with packaging and eating functions. If we can further improve the strength and plasticity, improve the surface (texture), and make products of various shapes (boxes, bowls, etc.), we can further expand its use, better protect the environment, and provide ways for deep processing of vegetables.
Anti-metamorphism environmental protection paper roll A Japanese company introduced a type of anti-corrosion paper that can be used for food packaging. Its production process is as follows: The base paper is first immersed in an ethanol solution containing 20% ​​of succinic acid, 33% of sodium hyaluronate and 0.07% of sorbic acid, and then dried. Foods with marinade using this paper can be stored at 38°C for 3 weeks without deterioration.
