All Products must be packaged, with the rapid economic development and quality of life continue to improve, our food industry is developing rapidly, people's livelihood concepts and consumption patterns, significant changes are taking place, packing in people's life more and more important, on food packaging are also put new demands of this century food market depends largely on the quality of packaging competition. Science and technology, food packaging with each passing day, and food packaging concept also showed the new features, the diversification of food packaging to meet the needs of modern people want different levels of consumer demand; sterile, convenient, intelligent, personalized food packaging are the new fashion; expand the functions of food packaging, reducing packaging waste on the environmental pollution green packaging has become the new century, the development trend of food packaging.
1 Aseptic Packaging

As consumers of food packaging fresh features and higher demands, improve food packaging to extend fresh food manufacturers have become much of the important issues covered. At present, preservation, and packaging aseptic food industry in the countries most popular, and their use is not limited to fruit juices and juice drinks, but also used for packaging milk, mineral water and wine. One-third of the United Kingdom has been the use of aseptic packaging of beverages. Canada has adopted the apple juice aseptic process. Developed in Japan as raw materials for calcium phosphate mineral enrichment absorbent paper bag for packaging fruits and vegetables, such as food, so that fruits and vegetables from the mineral to be concentrated liquid nutrient supply, and the absorption of fruits and vegetables release ethylene gas and carbon dioxide. Inhibit the decomposition of chlorophyll, has played to maintain the freshness effect. The United States market with natural active clay and polyethylene plastic bags made from fresh fruit, like a very fine sieve filters, gas and water vapor flow through the bag, so that the shelf life of fruits and vegetables increased more than 1, and the packaging bag can be re-use, easy recovery, the price is not higher than ordinary plastic bags.

Aseptic packaging of food packaging at the proportion of larger, such as aseptic milk pouch cheaper prices, product taste better, and kept at ambient temperature a long time, producers, consumers would welcome such a packaging product, the product not only to overcome the geographical constraints of production, but also removed during transport of the cold-chain requirements and is conducive to market expansion. According to statistics, the aseptic packaging of liquid food products more than 70% of global annual consumption of carton aseptic packaging of more than one hundred billion个. At present, there is a variety of aseptic packaging equipment about more than 300 sets of annual production capacity of more than 1,500,000 tons. Tetra Pak, Sweden, Switzerland, the United States and SIG Moreton packets and the United States International Paper cartons are dominating the field of aseptic packaging of three giants. With economic development and people's living standards improve, the demand for convenience foods is bound to greatly increase, will promote the further development of aseptic packaging.

2 green packaging

Green packaging refers to the ecological environment pollution-free, harmless to human health that can cycle and recycle packaging. At people on the ecological environment of great concern today, the green environmental protection food packaging has become a necessity. Experts predict that the next 10 years will dominate the world market of green food, and green packaging is a green food consumers at Central passes, it has a shape of green food brand importance. From the coordination of social development and ecological and environmental protection, the countries of the world have to reduce, reuse and recycling of biodegradable packaging as eco-environmental protection objectives and means.

At Tsinghua University and Chinese Academy of Sciences Institute of the joint efforts of micro-organisms have been successfully completed with waste molasses as raw materials to produce biodegradable plastic PHB (PHB); use of genetically engineered bacteria to produce biodegradable plastic PHB; by hydrolysis starch as raw materials to produce biodegradable plastic PHB and its copolymer PHBV and PHB biodegradable plastics can be modified and the application of research results. And on this basis on implementation of the international large-scale production on the first third-generation PHA hydroxybutyrate copolymer has hydroxy ester (PHBHHx), by microbial synthesis of biodegradable poly fatty acid alkyl PHA, has an excellent biodegradable, compatibility, voltage and optical activity, its structural diversity, together with the structural changes brought about by the new material properties, to make such food packaging materials at the direction of very broad application prospects.

PSP German company recently developed a new technology bubble in paper production, with its production of packaging materials can replace the foam. This type of foam and flour using old newspapers for material, first reported the recovery of the books be broken into, and then beaten fibrous pulp, and flour to 2 than to the ratio of l mixing, the pulp mixture into the extrusion pressure into cylindrical particles. Extrusion process, the role of raw materials affected by water vapor bubbles paper. Bubble of the paper used as raw material, can be required, depending on a variety of shapes to produce plastic packaging. Paper may be a bubble shape, no chemical additives, but also the recovery process after use.

Use of modern super-powder technology, raw materials crushed into 10 ~ 25 μm between the ultrafine particles known as, in recent years, study found that the use of ultrafine powder prepared by starch-based biodegradable plastics has obvious advantages. Advanced Micro Devices starch particle size small, uniform, with a great specific surface area, has enormous surface energy with its liquidity and filling significantly improve for the Preparation of biodegradable plastics can be effective in improving the mechanical properties of materials, be able to guarantee the material at the premise of the use of performance and greatly enhance the volume of starch added, which reduce costs, save oil resources, the development of the application of natural starch, biodegradable plastics enhance the rate of very important significance.

The United States Agricultural Research Service southern regional center for the use of soybean protein, add enzymes and other agents handle packaging films made from soy protein for food packaging, to maintain good moisture and prevent oxygen to enter, along with cooking and food, both easy to reduce environmental degradation pollution, food and avoid secondary pollution.

Indonesia's scientists, the invention of cardboard with algae system technology, with two tons of dried algae, the system can be a ton of cardboard. Made of cardboard by the quality, not inferior to ordinary cardboard. And have done a commercial production.

3 functional packaging

With the rapid development of packaging technology, in recent years, both at home and abroad have developed a number of features unique and diverse variety of packaging products, it is refreshing, by the favor of consumers and operators attention. Recently, the United States FDA has approved a UV blocking agent in the United States on food packaging applications. Sunlight contains ultraviolet fluorescent warehouse, and add the product at a transparent PET packaging materials in the UV blocking agent that can effectively block ultraviolet rays to prevent the packaging of goods in the color, smell, taste and nutritional value there is on any changes. Transparent packaging material, will allow consumers know the quality and appearance.

Most of the green color in foods contain many of chlorophyll, which is pigment-ray irradiation in photosensitive oxidation reaction will occur, resulting in rotting food. Deal with the German Fraunhofer Institute of Packaging Technology Gold Chinese scientists have recently invented a plastic film with chlorophyll a special method of "staining", subject to such a deal after the film for packaging foods can prevent the Green food color chlorophyll oxidation happen, greatly extended the shelf life of green food.

At present, the pursuit of the perfect preservation of the growing functional food packaging has become the preferred target. Singapore to develop and produce a fresh wrapping paper. This paper contains antibacterial, fungicide, apple storage in this paper, opened half a year later, still full of fruit. The other - types of plastic wrap can citrus fresh three month, so that more than 30 days fresh litchi. Yingde United developed the containers and lids at the inner wall of the packaging material used Deaerator through these Deoxidization Materials "eat" the extra oxygen, so as to achieve preservation purposes, the extension of product shelf life. The United States also introduced with oxygen as a function of the composite cap beer cap can be from the beer shelf-life of 3 ~ 4 months to 4 ~ 6 months.

Japan's recent success can inhibit the development of a British two chalkiness generated new plastic composite packaging material. This material is a high degree of PP and talcum powder evenly blended, and then by heating after molding into containers. This material itself does not produce, such as HCL and two chalkiness British produce any gas, and when burned can be fixed Absorption other waste generated by HCL gas, thereby inhibiting the emergence of two British chalkiness.

American researchers in the food packaging bag was placed on a layer contains a chemical known as AIn090rb plastic film, packaging removes oxygen, so that food packaging can be a long time does not degenerate. The chemical substances in special light before irradiation, has been in a dormant status. When receiving special light irradiation, the chemical began to appear. That is to say, in the packaged food, the need for complex Deoxidization treatment, as long as at the last line of food packaging processes, with a special light irradiation can be. Russian experts at packaging materials added to polymer dehydration acidification objects, a variety of mineral salts and enzymes material. Rich in these substances the surface of the packaging bag can be absorbed by the packaged food in excess moisture, kill bacteria, thus improving the internal environment of the bag. At the same time, additives in the enzyme, but also regulation of food odor, for the nutritional content of food to create a living space.

4 smart packaging

Intelligent packaging used thermo-sensitive photoelectric, humidity, gas-sensing features such as packaging materials from composites. It can show the packaging space temperature and humidity, pressure, and sealed the extent, timing and other important parameters. This is a promising feature of the packaging. East Hi-Tech Company Limited Sichuan well recently successfully developed a novel anti-counterfeit packaging film. This anti-counterfeit packaging films at the merits of its colorless and transparent, on the merchandise bags, cartons, tin, glass bottles above pattern does not have an impact. At light, can clearly show that can not be counterfeit laser holographic patterns and language. If the merchandise will be used to automate the packaging production line, we can make the overall anti-counterfeit merchandise effect even better. This novel is a colorless anti-counterfeit packaging film plastic film, thickness of 10 ~ 100μm. Films on laser holography by a tailor-made metal version at its imprint on a variety of embossing depth of indentation patterns and characters, as well as two-dimensional, three-dimensional geometry, three-dimensional sense of strong and structured. Indentation depth is generally convex.

Warning prompts food packaging can be turned, separated by three layers: the inner layer is a porous layer, it has a direct contact with food, if food is infected with certain diseases can cause bacteria, these bacteria will be able to pass through porous seepage layer, middle layer of arrival. Middle layer that contains a gel, bacteria can gel with the antibody of a chemical reaction, thus changing the color. Then bacteria will enter the most outer layer, rather than the surface of another on the role of antibodies happened to X shape spread and let the consumer be able to find food has perished.

Australian packaging materials experts developed a new electronic warning to the packaging, when the food easy to corruption at high temperature to heat, its quality can not be guaranteed, the packaging will be changing the color sensor, the electronic chip that is issued a warning. Electronics Packaging Technology also about the lack of fresh measures to help food exporters, manufacturers go through a satellite tracking, monitoring of food sent abroad during the transportation of temperature changes, so that their products can safely be exported to foreign countries.

Sweden, a first for biology, developed an intelligent sports drinks packaging. The packaging looks like a sports lid locking push-pull, from high-density polyethylene and polypropylene production, with a plastic coating containing aluminum enclosures have freeze-dried material, which was sealed at the lower part covered. 28mm bottlenecks bottles are PET bottles, to drink at when first getting a sleeve to protect the piston ring sets, or by pressing the upper cover. When the press covered put, when there is a mechanical seal punctured aluminum foil, a small amount of freeze-dried tablets into the drink, shake the bottle so that freeze-dried tablets dissolved in the drink and activate the original biological, put the top back cover can be drinking, closed after drink.

5 Convenience of packaging

Convenience food packaging and food packaging is also the aspect of development can not be ignored. Consumers need to open, sealing are more convenient packaging, food packaging is also necessary to give life more convenient. Convenience food packaging is the new trend of development.

For the convenience of the consumer consumption, the use of solar energy, chemical energy and the principle of metal oxide, so that the food in a short period of time automatically achieve automatic heating or cooling to meet the outdoor workers, tourists, elderly people and children's needs. Such as the United States self-cooling beverage cans containing compressed CO2 has a small container, open at the size of the rapid expansion of CO2 can make at 9s beverage temperature dropped to 4.4 ℃. Japan's use of quicklime mixed with water the principle of heat production, the development of the self-heating sake packaging, will be available at 3min can Sake heated to 58 ℃. Nissin metal oxide using the principle of the development of a self-heating canned convenience, the tank can 5min with cooked noodles. Have food insulation paper, can be light energy into thermal energy, paper packaging put on the place of sunlight can be heating up the food. Japanese food manufacturers to produce the self-heating or self-cooling cans, primarily for coffee, soup, congee, noodles, sausages, rice and other food and beverage packaging, has been produced in quantity and the market. This use of composite cans are plastic or aluminum, the upper part of loaded food or drink, there is at the bottom of the heating or cooling device. Heat through water mixed with quicklime and produces heat to achieve; refrigeration is by water and ammonium nitrate or ammonium chloride to obtain a chemical reaction happened.

6 Personalized Packaging

With the continuous improvement of scientific and technological level, more and more similar products tend to homogenization, the competition among enterprises, in a sense, has transformed into the image of our competition, the design is not just a simple visual stimulation and, more importantly, create a Product and design information exchange and emotional experience, which for a variety of personalized packaging design to create more space. Changes in lifestyle, economic capacity has also made it a stronger sense of the pursuit of characteristics. Food packaging more personality, and development will have the market to meet the diverse needs of consumers. Personalized food packaging are the inevitable trend of development.

World-renowned beverage brand Coca-Cola Company will be the packaging and brand personality as a positive relationship. Careful consumers can be found, although each time it is reflected in the package design change is not great, but each time the changes in the market can cause a sensation. BOCOG announced in Beijing attracted worldwide attention in 2004 Beijing Olympic Games emblem, the same day, 110,000 printed with the emblem of the new limited edition Coca-Cola cans exquisite Memory also officially listed. Coca-Cola spent less than a month to complete, from product design to the official listing of its high efficiency at surprise people, Coca-Cola Company became the top sponsor of the Beijing Olympics in the first Olympic Games was honored to be authorized to use the new emblem of the company . Memory tank of its design combines the Olympic logo, Beijing, China, elements, elements and Sport event elements, the new emblem will be integrated into one of the Temple of Heaven, Beijing highlights strong regional characteristics.

Century-old history of Watsons Water maker launched in 2004 at the new products listed one, its quite refreshing new packaging will allow the consumer brighten: bottle streamlined, concise fashion green packaging and the unique double bottle cover design; put distilled water into a unique taste and unique style of fashion products. As we all know, now people are like at the supermarket to buy food, so easy to buy; but it is precisely at the supermarket, the kind of food are often placed together, then the most able to attract consumer attention, apart from product brand and apart is the quality of the packaging. Strong impact on product packaging often be able to purchase consumer awareness about. The major manufacturers is also found this, have started packing up at their brains, and strive to greedy pleasing packaging to attract consumers, and similar products in competition, was the timing.

Food can not be separated from the packaging, packing a direct impact on food quality, grades and markets. Food packaging industry in our country want to integrate into the new trend of international food packaging, to increase scientific and technological and capital inputs, the development of more innovative features unique, modern people can meet different levels of consumer demand, and also conducive to ecological and environmental protection packaging products.