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Waterproof dehydration wrapping paper
This type of packaging paper, called PS, uses a semi-permeable membrane that can only pass through water as the surface material, and a high-permeable pressure material and a polymer water-absorbing agent on the inside. The packaging paper does not damage the cells of the food tissues, but also inhibits the activity of molds, prevents the decomposition of proteins, reduces the proliferation of microorganisms, and maintains the freshness, concentration, and umami components of the food, and improves the toughness.
Water absorption function paper
The biggest feature of absorbent functional paper is its strong ability to absorb water. It can maintain the water absorption capacity of the material 10 times its weight, and it is safe and harmless. There is a significant difference between the water absorption capacity and the water retention capacity of the water-absorbing functional paper and the non-woven fabric, and the water-absorbing functional paper is obviously dominant. This is because non-woven fabrics can only retain moisture in the pores between the fibers of the raw material, while the water-absorbing functional paper not only has the above capabilities, but also the fibers themselves can absorb water. When the absorbent paper absorbs water, it becomes very soft. Due to the following characteristics, the water-absorbing functional paper can be used as a film (sheet) for absorbing condensation such as ham and sausage, a film (sheet) for absorbing fresh food drips, and a film for cosmetics and sanitary materials.
Acid-free waterproof archives
The new type of waterproof packaging paper and paperboard (without acid and water proof archival paper) independently developed by Hunan Changde Cigarette Factory Jin Furong (Special) Paper Co., Ltd. has successfully filled the gaps in the country. The company has started projects since 1996 and has invested 3.15 million yuan to develop new waterproof packaging paper. According to relevant experts, the scope of application of new waterproof packaging paper and board is very wide.
Screen wet cardboard
Libery Paper Co., Minnesota, USA developed M-Guard screen wet cardboard, which resembles corrugated paperboard. It is also similar to commonly used inner liners, which are printable, recyclable, and pulpable. The board's screen wet performance has a visual effect. This screen wet performance is due to the effect of internal chemical bonding during the manufacturing process of the paperboard, saving time without any conversion. The board achieves good screen wet performance through its inherent absorption
Water resistant paper
Water-resistant paper has good water resistance and air permeability, because its penetration rate 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 gas and so on. 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 troughs, combined with other materials, as a wrapper for multi-moisture semi-finished foods, giving full play to its advantages of mildew proof, water absorption and water resistance. Thermal energy protein coated wrapper Japanese food The company 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.
Solar energy converted to thermal energy paper
The United States has developed a paper that converts solar energy into heat, which can function as a solar collector. Use this type of insulation paper to wrap 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 wrapping paper
Heat-sealing packaging paper has the characteristics of heat sealing, air permeability, 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 wrapping paper
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 Co., Ltd. uses fruit pomace discarded from the food industry to produce pomace paper. The method is simple, and the grains in the pomace are removed and pulverized into pulp. After the appropriate amount of wood fiber is added, the pomace paper can be used. Easy to decompose, can be burned or composted, recycled paper can also be recycled, and it is not easy to pollute the environment.
Okara paper
A Japanese research institute, using new technology, uses bean dregs as a raw material to produce 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 wrapping paper
The carrot paper developed in the United Kingdom uses carrots as a base material, adds appropriate thickeners, plasticizers, and water repellents, and uses the natural color of carrots to produce inexpensive and edible colored 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 kind 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.
Long-term anti-mildew paper
A new type of wrapping paper produced by a company in Japan that can prevent moldy deterioration of foods for a long time and does not damage food flavors. The paper is a water soluble solution of water and ethanol dissolved as an active ingredient after the special monoglyceride is fused with the compound, and then sprayed or infiltrated on the paper and finally dried by heating. It can be used to package a variety of foods.
Fruit fresh paper
Fruit Preservation Paper In order to maintain the freshness of fruit, Singapore developed and produced a fresh packaging paper, which has antibacterial and bactericidal agents. The apple was stored on this type of paper and opened after six months. The fruit was still full. Another fresh-keeping paper can keep fresh citrus for 3 months, and litchi can also keep fresh for 30 days.
Environmental protection paper roll
A British company developed and developed a green paper roll that can replace foam plastics. There are many small cracks on it. When occupying space, when the paper roll is pulled open, it becomes a three-dimensional honeycomb with an area 10 times the original.
It can act as a cushioning cushion for filling and holding packaged goods. The paper roll is made of recycled fiber and can be recycled for reuse; when it is discarded, it can be biodegraded.
PLMEX Food Packaging Paper
In the European and American markets, there is a brand new PLMEX food special packaging paper, which is 100% pure pulp, does not contain fluorescent agents and chemical substances that harm the human body. It is waterproof, oil-repellent, anti-sticky, and heat-resistant (or resistant to 200°C. 250 °C high temperature) features. Easy to use, simple to clean, safe and hygienic, and in line with US PDA and German PGA food hygiene standards. This food special paper can be recycled after cleansing with clean water after use, and can be used repeatedly 50 times. This type of food paper is rolled and pressed into a variety of paper cup shapes. Whether used for steaming, baking or microwave heating, it does not deform or fade.
Other artificial peel paper
An artificial peel paper that can be recycled is favored after its introduction in foreign markets. This artificial peel paper is made of special materials. It is completed on the factory's automatic line with the production of food. It is a tight transparent pouch or transparent shaped ring. It is tough and flexible, and can extend the shelf life of foods. When eating, it only peels the artificial peel paper.
At present, the annual consumption of aluminum cans in China is between 6 billion and 7 billion, raw materials need to be imported in large quantities, and the price is expensive. Together with environmental pollution and other factors, the country has no longer approved the new aluminum can production line. The ability to find new packaging containers that replace aluminum cans has become a constant concern in the industry. The birth of paper cans overcomes the shortcomings of aluminum cans and has broad prospects for development. The construction of an aluminum can production line requires at least 17 million yuan, while the paper can production line only needs 2 million yuan; the minimum batch volume of aluminum cans is 20 million, and the economic volume of paper cans is more than 20,000. Paper cans can be used in paint, chemical, food, medicine and other packaging, but also used to produce paper boxes, paper cups, paper drums and other products. Experts estimate that the annual demand for Chinese cans will gradually reach 15 billion, and its excellent characteristics will inject new vitality into the Chinese packaging industry.
Acrylic synthetic paper
Japanese experts made a synthetic paper using propylene from petroleum gas as raw material. This paper is strong, not easy to break, has a smooth surface, no wrinkles, no moisture, and no discoloration. This kind of paper is lighter than ordinary paper and is not easily stained with dirt. It is a good material for printing, writing and food packaging.
Foam paper
The German company PSP has developed a new process for the production of foamed paper. The packaging materials produced with it can replace foamed plastics. The foam paper uses old books scrap paper and flour as raw materials. The old newspapers are first cut into shreds, then ground into fibrous pulp, and mixed with flour in a ratio of 2-1. The mixed pulp stock Into the extrusion press into cylindrical particles. During the extrusion process, the raw material is subjected to steam as a foam paper. Using this type of foamed paper pellet as raw material, various shapes of plastic packaging can be produced according to different needs. Foam paper can be molded once, without chemical additives, and can be recycled after use.
Hard lightweight packaging paper
A Finnish company successfully developed a hard, lightweight wrapping paper. This kind of wrapper is 10%~20% lighter than ordinary paperboard. Besides having odorless, organic survival properties, it also has heat resistance and the same printing property as pure pulp board, especially suitable for packaging chocolate, ice cream, frozen food, etc. For a variety of flavor-type packaging and manufacturing snack boxes.
Self-adhesive wrapping paper
Korea made a kind of self-adhesive wrapping paper. The outer layer is kraft paper. The inner layer is a special foaming material. It has elasticity and excellent corrosion resistance, which can ensure that the surface of the packaging is not frayed. Because of its inherent viscosity, no ropes and straps are required for packaging. The wrapping paper automatically loses its stickiness upon unsealing, and therefore it also has the effect of preventing the person from being unsealed.
For a long time, plastic packaging has been used in a large number of food packaging applications. Because plastics are extremely difficult to degrade naturally, serious environmental pollution is caused. Therefore, some developed countries have partially restricted the use of plastic packaging. For this reason, the development of food packaging paper has become the consensus of the food and packaging industry. According to the different angles of food packaging paper, new food packaging paper can be divided into the following categories.