Newly developed countries in the world of food packaging – the world, development, food – Paper Industry
A large number of applications food plastic packaging, plastic is extremely difficult because the natural degradation of plastic waste is difficult to handle. Therefore, some developed countries have some restrictions on the use of plastic packaging. For this reason, development of food packaging has become the consensus of the food and packaging industries. According to food wrapping paper focuses on a different angle, new food packaging can be initially divided into the following categories, this is the beginning of 2003 since the country achieved important results.
One, waterproof type 1. Dehydration wrapping paper PS This is known as the wrapping paper, choose the only semi-permeable membrane through the water surface materials are placed inside the high osmotic pressure and polymer water absorbent material. The packaging does not make food tissue is damaged, while inhibiting enzyme activity, to prevent protein degradation, reduction of microbial levels to maintain the freshness of food, concentrated flavor ingredients, improve the toughness results.
2, absorbent function paper Absorbent paper's biggest feature is the function of absorbing ability, it can maintain the absorbent material 10 times the amount of weight, and safe and benign. Absorbent paper and nonwoven fabrics functional capacity and ensure water absorbent have significant differences in apparent home excellent paper absorbent function. This is because the non-woven fabric fibers only in the pores of raw materials to maintain moisture, and absorbent paper not only more functional capacity, and its fibers can be absorbent itself. After absorbing function to be very soft, absorbent paper. Because of these characteristics, absorbent paper used as a function of absorption ham, sausages condensation of the film (films), absorption of fresh food dripping film (film), and cosmetics and sanitary materials, thin films.
3, acid-free archival paper and waterproof
From Hunan Changde Cigarette Factory Golden Lotus (Special) Paper Co., independent research and development of new waterproof wrapping paper and cardboard (acid-free archival paper and water), successfully filled the gap. The company began planning the project since 1996, invested a total 3.15 million development of new waterproof packaging. According to experts, the new waterproof wrapping paper and cardboard a wide range of application.
4, wet cardboard screen Minnesota Libery / Paper Co., Ltd. developed the M-Guard Screen wet cardboard, the shape of corrugated board, also similar to the common lined cardboard, printed, recycled and then beating the system increases. The wet cardboard screen performance with visual effects. This screen is in the system wet cardboard performance process, the result of the role of internal chemical bonding properties due to, without any conversion, you can save time. The board, through its intrinsic absorption of the screen to achieve good wet performance.
5, water processing paper Water processing of paper with waterproof, breathable, good water because it has no counters, so saturated with higher rate than other materials, the surface layer strength and high strength, have antimicrobial, can absorb ammonia and so on. These characteristics are not by adding resin and chemicals to get, but by the raw material wood paddle, so safe. MWS is a result of the above characteristics, can be used in food packaging materials expected, condensation absorbent film (films), and other areas. MWS has been applied to the current system of liquor slot blot vacuum-packed foods, combined with other materials, semi-finished food products as much moisture wrapping paper, give full play to its mold, the advantages of water absorption and water resistance.
Second, heat type 1, the protein coating wrapping paper
Japanese food company has also developed a protein coating wrapping paper, it is the protein dissolved in a special process of wrapping paper. Coated with protein as a coating made of the above in the paper wrapping membrane protein coating can withstand a certain temperature, to prevent water erosion, non-toxic, convenient food processing, do not pollute the environment.
2, solar energy is converted to heat in the paper
The United States developed a solar energy can be converted to heat paper, you can play the role of solar collectors. The use of such insulation paper packaging of food, on the sunlight in, packing the food will be heated, and only the packaging open, the heat can be dispersed.
3, sealing of wrapping paper Sealing of wrapping paper with the seal of, ventilation, and there is oil, water resistance is good, safe and sound and so on. In order to have the seal of wrapping paper, paper to seal the surface covered with a resin coating or bonding them with heat sealing of polyethylene, without the need for secondary processing for ventilation, ventilation it can user requirements under control. Use this with ventilation of wrapping paper packaged food, available electronic wave heating, the package does not steam, so they can keep food fresh surface. Because it has these characteristics, heat sealing of packaging can be expected as the electronic wave heating of frozen food packaging material, now use it to package hamburgers.
4, insulation wrapping paper This paper should have the function, is able to keep cooked food packaged incense, fresh, hot, for people at different venues and times convenient to eat, to meet today's fast-paced demands of people's lives. This principle of thermal paper is the same as the solar collector, able to convert light into heat energy. Usually people just put the paper on such a special place where the sun can be irradiated, the paper will be constantly surrounded by the space heat to supplement it, thereby maintaining a certain paper in the heat of the food so that people eat their hot taste buds at any time food.
3, fruit and vegetable 1, Marc paper Japan Takasaki Paper with food industry waste to produce apple pomace paper method is simple, remove the marc in the grain, to Dao Cheng pulp, adding an appropriate amount of wood fiber can be made This Marc paper after use easy to decompose, burn or compost can also be recycled to re-paper, not easy to pollute the environment.
2, residue paper
Institute of Japan, a new technology to soybean residue as raw, made into a kind of heat melting the event, have some nutritional value to food packaging. The wrapping paper for the packaging of instant noodle seasoning, when eating with food.
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