Abstract The paper analyzes the advantages and disadvantages of various liquid food packaging and its impact on the environment. Summarized the development trend of liquid food packaging in recent years and predicted that the future liquid food packaging will be mainly paper.
Keywords liquid food packaging, development trends, research and analysis, composite carton 1. Introduction Human life can not be separated from liquid foods, liquid foods can not be separated from packaging. Liquid foods are packed in a wide variety of categories such as glass bottles, plastic bottles, plastic cups, plastic bags, metal cans, composite cartons, and paper bags. What kind of packaging is more reasonable and more ideal has always been the subject and debate that the packaging industry is facing. Now we have researched and discussed the development characteristics of liquid food at home and abroad, the advantages and disadvantages of various packaging, and their development trends. Through analysis and comparison, it is not difficult to see that paper packaging will be the most promising liquid food packaging.
2. Characteristics of current development of liquid foods In foreign countries, liquid foods in some developed countries have already started in the 1960s, from single carbonated beverages to dairy products, plant proteins, fruit and vegetable juices and other resource-based products. Since then, it has developed into functional and health-care products, and its production has been increasing, and social consumption is increasing. According to statistics, the annual consumption of beverages in the world amounts to 780 billion liters, and the average annual consumption is 130 liters. Among them, Americans consume an average of 620 liters a year, 537 liters in Western Europe, 341 liters in Japan, and 51 litres in China. World beverage consumption includes 200 billion liters of milk, 155 billion liters of tea, 110 billion liters of coffee, 44 billion liters of juice, and 112 billion liters of soft drinks. The Chinese beverage industry started late, but since the late 1980s, it has developed rapidly. According to reports, in 1995 it had rapidly risen from more than 200,000 tons in 1980 to 1 million tons, and in 1990 it rose to 3.3 million tons. By 1997, it had reached 10.69 million tons. Compared with 1980, the growth rate is 36 times. The average annual increase during the 17 years is 23.7%. In 1998, it exceeded 12 million tons. Despite the impact of the Asian financial turmoil, the beverage industry continues to grow significantly. In particular, with the rise of aseptic packaging and fresh-keeping packaging, as well as the national nutrition promotion program and the “student milk†project, dairy and vegetable protein beverages will have a rapid development and will develop in sync with the world. Some experts predict that the food industry is expected to become China's largest industry. By 2002, the output value of the food industry in China could exceed the threshold of 3 trillion yuan, of which beverages will account for a considerable proportion. The packaging for these drinks is also a considerable number.
3. Advantages and Disadvantages of Various Packaging and Their Impact on the Environment The glass bottle is a traditional packaging that was used earlier. The main advantages are good sealing performance, no peculiar smell, no production of leachables, secondary sterilization after packaged food, long shelf life, recyclability, and repeated use. The active drawbacks are bulkiness, increased packaging and transportation costs, poor breakage and poor light barrier properties, and are affected by light. Foods are susceptible to discoloration and oxidation. It is difficult to print the ideal color and logo on the bottle body. Generally, a separate logo color paste is required. After the beverage is packaged, it must be additionally covered. At the same time, a large amount of solid waste will be generated after being discarded. Plastic bottles and cups are new packagings that appear after glass bottles. The main advantage is that they are light and not easily damaged, but they have poor oxygen barrier and light isolation properties, and the packaged beverages are easily oxidized and deteriorated if they are affected by light; transporting empty packaging occupies a large volume and increases transportation costs. . At the same time, it is necessary to attach another trademark, and it is difficult to print delicate designs on bottles. Packaging beverages have to be stamped separately, virtually increasing the cost of packaging. In terms of bottles, prices are not low. In addition, it occupies a large space and is inefficient in circulation and on the shelves. The main advantages of ordinary plastic film bags are low cost, simple packaging equipment, low investment, widespread availability, and recycling of renewable resources. The disadvantages are low grades, poor preservation, and gradual elimination as people's living standards increase. The aluminum foil composite film bag has better printing effect and preservation function, the cost is middle, and the packaging equipment is simple and complicated and high-grade. However, it is still inferior to other rigid packaging on the shelf. Because the price is not low, the sales will not be very optimistic, recycling will be difficult to recycle, and the waste will be increased after discarding. Aluminum two-piece cans can be filled with sparkling beverages and can also be loaded with non-steam beverages. The appearance is exquisite and the grade is higher. It can be used for secondary sterilization. However, due to the high cost, it has certain restrictions on sales, and it transports large volumes of empty packaging. In particular, due to the use of paint on the inner wall layer, consumers are still concerned about their safety, and should not use the more acidic beverages. Otherwise, they are easy to corrode and leak and deteriorate. Steel three-piece cans have higher strength, firmness and durability, and can be used for secondary sterilization. However, they are much heavier than cartons. Due to high costs, there are certain difficulties in large-scale market sales. , And because of tin plating, consumers do not rule out their concerns about the safety, coupled with most of the electric welding seams, packaging acidic beverages easily rust, affect product quality and storage period. After being discarded, it is difficult to flatten and the amount of waste discharged increases significantly. Composite carton, bag packaging due to the use of PE / paper-based / PE / aluminum foil / PE / PE composite of five to six, its packaging surface from top to bottom and around can be printed with beautiful promotional logo decoration, enhanced Shelf effect, to attract consumers to increase their desire to buy; due to good light isolation and oxygen barrier properties, according to the aseptic packaging process requirements of the packaging of liquid foods at room temperature without refrigerating can also get a longer period of preservation effect, not only It can save energy and it does not emit odors. Generally within 12 months or longer will not change the taste. In addition, it also has a small amount of raw materials consumed, and less than 30 grams of packaging material per liter of beverage, which can save transportation costs, but also reduce vehicle emissions and reduce environmental pollution. Abandoned packaging is also minimal, with a median household having an average of 1 litre of milk per day, 365 days a year, and a 10-year cartons with only one garbage truck, which can be recycled for recycling and recycled after recycling per ton of waste beverage containers. It can produce 80 kg of aluminum powder, 150 kg of ionomer resin, 700 kg of pulp, and the recovery rate can reach over 93%. With this type of packaging, forests can also be protected. According to reports, pulp produced from one cubic meter of wood can produce 9,000 cartons per liter for a medium-sized family for 25 years. From another perspective, there are many differences between this type of cartons and glass and plastic bottles. Its weight is light and dense. For instance, in the case of shipping empty packaging, a five-ton standard truck can load 500,000 carton papers, while a glass bottle of the same volume can only load 15,000 five-ton standard trucks; Take the packaged liquid food as an example: For paper-wrapped packaging, only 4% of the product is packaged, and 96% of the product is packaged. For glass-wrapped products, the product is 45% and the package is 55%, plus a wooden box. Or plastic boxes, the proportion of packaging is even greater. The disadvantage of composite paper packaging is poor strength, which cannot exceed 10 layers when stacked.
4. Looking at the future trend from the current situation It has been reported that since the birth of aseptic packaging of composite paper, it has been developing rapidly and is increasingly welcomed by consumers, making this packaging the mainstream of similar products in developed countries. It accounted for more than 65% of the packaging of similar products, some more than 70%, and the line is growing at a high rate, the highest of more than 8%. In some countries, the per capita consumption has reached more than 100 bags, and the average per capita of the country is close to 20 bags. The form of composite paper packaging is increasingly diversified. The packaging containers are flexible and small in sizes of 125ml, 178ml, 180ml, 189.3ml, 200ml, 236.5ml, 250ml, medium types are 284ml, 300ml, 375ml, 500ml, 568ml, 700ml, 750ml, 1000ml, 1250ml, 1500ml, and 2000ml, etc., according to market changes and the needs of materials, there can be more specifications to choose from. Packaging styles have their own characteristics from the previous single brick shape has been developed to slim, roof-shaped, triangular, pillow-shaped, cylindrical, hexagonal, ax-shaped ... ... packaging performance is increasingly perfect according to the requirements of different packaging products, can be With aluminum foil and non-aluminum foil compound, large package can also increase easy to open the cover and anti-counterfeiting anti-theft cover. More and more varieties of packaging and application fields have grown from packaging milk to packaging of fruit and vegetable juices, jams, teas, beans, alcohol, vinegars, soy sauces, oils, cosmetics and other liquid foods and chemical products. The materials available for packaging develop from liquids to fluids, semifluids, and pastes. The use of paper packaging is becoming more and more common in China. For 20 years ago, it was a blank space. It was still limited to Beijing and coastal cities a few years ago. Now it has rapidly extended to the interior and north. Many developing countries and backward regions have also been gradually popularized and used, and at an alarming rate.
5. Conclusions Looking at the packaging of liquid foods is nothing more than to provide circulation benefits to industry and customers, reduce storage costs, effectively protect food quality and reduce environmental pollution, save resources and reduce costs, so that consumers benefit and benefit society. In the glass, plastic bottles, plastic cups, plastic bags, aluminum plastic composite bags, metal cans, composite cartons, composite paper bags and many other packaging, composite paper is the best packaging. It can be asserted that the future of liquid packaging will be the world of paper, and composite paper packaging is the most promising popular packaging. Whoever catches this bull, who is the big winner.
Keywords liquid food packaging, development trends, research and analysis, composite carton 1. Introduction Human life can not be separated from liquid foods, liquid foods can not be separated from packaging. Liquid foods are packed in a wide variety of categories such as glass bottles, plastic bottles, plastic cups, plastic bags, metal cans, composite cartons, and paper bags. What kind of packaging is more reasonable and more ideal has always been the subject and debate that the packaging industry is facing. Now we have researched and discussed the development characteristics of liquid food at home and abroad, the advantages and disadvantages of various packaging, and their development trends. Through analysis and comparison, it is not difficult to see that paper packaging will be the most promising liquid food packaging.
2. Characteristics of current development of liquid foods In foreign countries, liquid foods in some developed countries have already started in the 1960s, from single carbonated beverages to dairy products, plant proteins, fruit and vegetable juices and other resource-based products. Since then, it has developed into functional and health-care products, and its production has been increasing, and social consumption is increasing. According to statistics, the annual consumption of beverages in the world amounts to 780 billion liters, and the average annual consumption is 130 liters. Among them, Americans consume an average of 620 liters a year, 537 liters in Western Europe, 341 liters in Japan, and 51 litres in China. World beverage consumption includes 200 billion liters of milk, 155 billion liters of tea, 110 billion liters of coffee, 44 billion liters of juice, and 112 billion liters of soft drinks. The Chinese beverage industry started late, but since the late 1980s, it has developed rapidly. According to reports, in 1995 it had rapidly risen from more than 200,000 tons in 1980 to 1 million tons, and in 1990 it rose to 3.3 million tons. By 1997, it had reached 10.69 million tons. Compared with 1980, the growth rate is 36 times. The average annual increase during the 17 years is 23.7%. In 1998, it exceeded 12 million tons. Despite the impact of the Asian financial turmoil, the beverage industry continues to grow significantly. In particular, with the rise of aseptic packaging and fresh-keeping packaging, as well as the national nutrition promotion program and the “student milk†project, dairy and vegetable protein beverages will have a rapid development and will develop in sync with the world. Some experts predict that the food industry is expected to become China's largest industry. By 2002, the output value of the food industry in China could exceed the threshold of 3 trillion yuan, of which beverages will account for a considerable proportion. The packaging for these drinks is also a considerable number.
3. Advantages and Disadvantages of Various Packaging and Their Impact on the Environment The glass bottle is a traditional packaging that was used earlier. The main advantages are good sealing performance, no peculiar smell, no production of leachables, secondary sterilization after packaged food, long shelf life, recyclability, and repeated use. The active drawbacks are bulkiness, increased packaging and transportation costs, poor breakage and poor light barrier properties, and are affected by light. Foods are susceptible to discoloration and oxidation. It is difficult to print the ideal color and logo on the bottle body. Generally, a separate logo color paste is required. After the beverage is packaged, it must be additionally covered. At the same time, a large amount of solid waste will be generated after being discarded. Plastic bottles and cups are new packagings that appear after glass bottles. The main advantage is that they are light and not easily damaged, but they have poor oxygen barrier and light isolation properties, and the packaged beverages are easily oxidized and deteriorated if they are affected by light; transporting empty packaging occupies a large volume and increases transportation costs. . At the same time, it is necessary to attach another trademark, and it is difficult to print delicate designs on bottles. Packaging beverages have to be stamped separately, virtually increasing the cost of packaging. In terms of bottles, prices are not low. In addition, it occupies a large space and is inefficient in circulation and on the shelves. The main advantages of ordinary plastic film bags are low cost, simple packaging equipment, low investment, widespread availability, and recycling of renewable resources. The disadvantages are low grades, poor preservation, and gradual elimination as people's living standards increase. The aluminum foil composite film bag has better printing effect and preservation function, the cost is middle, and the packaging equipment is simple and complicated and high-grade. However, it is still inferior to other rigid packaging on the shelf. Because the price is not low, the sales will not be very optimistic, recycling will be difficult to recycle, and the waste will be increased after discarding. Aluminum two-piece cans can be filled with sparkling beverages and can also be loaded with non-steam beverages. The appearance is exquisite and the grade is higher. It can be used for secondary sterilization. However, due to the high cost, it has certain restrictions on sales, and it transports large volumes of empty packaging. In particular, due to the use of paint on the inner wall layer, consumers are still concerned about their safety, and should not use the more acidic beverages. Otherwise, they are easy to corrode and leak and deteriorate. Steel three-piece cans have higher strength, firmness and durability, and can be used for secondary sterilization. However, they are much heavier than cartons. Due to high costs, there are certain difficulties in large-scale market sales. , And because of tin plating, consumers do not rule out their concerns about the safety, coupled with most of the electric welding seams, packaging acidic beverages easily rust, affect product quality and storage period. After being discarded, it is difficult to flatten and the amount of waste discharged increases significantly. Composite carton, bag packaging due to the use of PE / paper-based / PE / aluminum foil / PE / PE composite of five to six, its packaging surface from top to bottom and around can be printed with beautiful promotional logo decoration, enhanced Shelf effect, to attract consumers to increase their desire to buy; due to good light isolation and oxygen barrier properties, according to the aseptic packaging process requirements of the packaging of liquid foods at room temperature without refrigerating can also get a longer period of preservation effect, not only It can save energy and it does not emit odors. Generally within 12 months or longer will not change the taste. In addition, it also has a small amount of raw materials consumed, and less than 30 grams of packaging material per liter of beverage, which can save transportation costs, but also reduce vehicle emissions and reduce environmental pollution. Abandoned packaging is also minimal, with a median household having an average of 1 litre of milk per day, 365 days a year, and a 10-year cartons with only one garbage truck, which can be recycled for recycling and recycled after recycling per ton of waste beverage containers. It can produce 80 kg of aluminum powder, 150 kg of ionomer resin, 700 kg of pulp, and the recovery rate can reach over 93%. With this type of packaging, forests can also be protected. According to reports, pulp produced from one cubic meter of wood can produce 9,000 cartons per liter for a medium-sized family for 25 years. From another perspective, there are many differences between this type of cartons and glass and plastic bottles. Its weight is light and dense. For instance, in the case of shipping empty packaging, a five-ton standard truck can load 500,000 carton papers, while a glass bottle of the same volume can only load 15,000 five-ton standard trucks; Take the packaged liquid food as an example: For paper-wrapped packaging, only 4% of the product is packaged, and 96% of the product is packaged. For glass-wrapped products, the product is 45% and the package is 55%, plus a wooden box. Or plastic boxes, the proportion of packaging is even greater. The disadvantage of composite paper packaging is poor strength, which cannot exceed 10 layers when stacked.
4. Looking at the future trend from the current situation It has been reported that since the birth of aseptic packaging of composite paper, it has been developing rapidly and is increasingly welcomed by consumers, making this packaging the mainstream of similar products in developed countries. It accounted for more than 65% of the packaging of similar products, some more than 70%, and the line is growing at a high rate, the highest of more than 8%. In some countries, the per capita consumption has reached more than 100 bags, and the average per capita of the country is close to 20 bags. The form of composite paper packaging is increasingly diversified. The packaging containers are flexible and small in sizes of 125ml, 178ml, 180ml, 189.3ml, 200ml, 236.5ml, 250ml, medium types are 284ml, 300ml, 375ml, 500ml, 568ml, 700ml, 750ml, 1000ml, 1250ml, 1500ml, and 2000ml, etc., according to market changes and the needs of materials, there can be more specifications to choose from. Packaging styles have their own characteristics from the previous single brick shape has been developed to slim, roof-shaped, triangular, pillow-shaped, cylindrical, hexagonal, ax-shaped ... ... packaging performance is increasingly perfect according to the requirements of different packaging products, can be With aluminum foil and non-aluminum foil compound, large package can also increase easy to open the cover and anti-counterfeiting anti-theft cover. More and more varieties of packaging and application fields have grown from packaging milk to packaging of fruit and vegetable juices, jams, teas, beans, alcohol, vinegars, soy sauces, oils, cosmetics and other liquid foods and chemical products. The materials available for packaging develop from liquids to fluids, semifluids, and pastes. The use of paper packaging is becoming more and more common in China. For 20 years ago, it was a blank space. It was still limited to Beijing and coastal cities a few years ago. Now it has rapidly extended to the interior and north. Many developing countries and backward regions have also been gradually popularized and used, and at an alarming rate.
5. Conclusions Looking at the packaging of liquid foods is nothing more than to provide circulation benefits to industry and customers, reduce storage costs, effectively protect food quality and reduce environmental pollution, save resources and reduce costs, so that consumers benefit and benefit society. In the glass, plastic bottles, plastic cups, plastic bags, aluminum plastic composite bags, metal cans, composite cartons, composite paper bags and many other packaging, composite paper is the best packaging. It can be asserted that the future of liquid packaging will be the world of paper, and composite paper packaging is the most promising popular packaging. Whoever catches this bull, who is the big winner.
Flow Wrapping Machine,Noodle Packing Machine Co., Ltd. , http://www.flow-wrappingmachine.com