Development Status Of PET At Home And Abroad

Since PET Container Jar (polyethylene terephthalate) was industrialized by DuPont in 1953, due to its good physical processing performance and cost-effective advantages reflected in the cost reduction brought about by large-scale industrial production, it has quickly replaced many Other varieties of chemical fibers have become the largest group of synthetic fibers.

1. Development Status of Global PET

Since 2003, the global PET production capacity has expanded at an average annual rate of about 9%. In 2005, the production capacity has reached about 54.7 million tons, and the output in 2005 was 41 million tons. According to PCi's forecast, by 2008, the global PET production capacity will be It reached 67 million tons, and the output was 50 million tons.

At present, the product variety of PET has also expanded from the initial polyester staple fiber to the current polyester staple fiber, polyester filament, polyester bottle, polyester film, non-woven fabric, engineering plastics and composite multi-functional products, etc. There are thousands of specifications of various products, among which the composition of the product series has also developed from 100% short fiber at the initial stage to a balanced development of multiple varieties.

The large-scale industrialization of PET in China started in the early 1980s and grew stronger in the mid-1990s. The current production capacity has exceeded 20 million tons, and it has become the world's largest producer and consumer of PET. The current situation and forecast of the proportion of China's PET in global PET as follows:

2. Development status and trend of global non-fiber PET

Non-fiber PET was first introduced by Kodak as a base material for photographic film. Since the mid-1980s, Coca-Cola introduced this variety into the field of beverage packaging. Since then, non-fiber PET has developed rapidly, and has now been developed into bottles. , films, sheets, engineering plastics, packing belts (plastic-steel belts) and many other fields. Only PET slices for food-grade bottles can be used for mineral water, carbonated drinks, hot canned drinks, liquor bottles and beer bottles, etc. category. In 2005, the world's PET production capacity for packaging purposes reached 14.5 million tons, and its distribution is as follows:

China's packaging and non-fiber PET started late, but developed rapidly. In 2005, the production capacity of PET for bottles in my country reached 3.1 million tons, and the output reached 1.7 million tons, of which 1.2 million tons were sold domestically and 500,000 tons were exported. According to the current consumption of PET for bottles in Europe and the United States (17KG/person in the United States, 20KG/person in Europe) and the proportion in the total production capacity of PET, there is still a large room for development of PET production for packaging in China (currently 20KG/person). 1.3KG/person), and its growth rate is expected to be 15%/year, which means that by the end of the "Eleventh Five-Year Plan", the production capacity will be close to 6.5-7 million tons/year.

Conclusion: Due to the rapid increase in the use of single-use PET packaging, new pressures have been placed on environmental protection in China and the world. We often say that "waste put together is garbage, and waste separated is resource". If we can do a good job in the recycling and utilization of waste PET, it will not only reduce environmental pollution, but also provide human beings with a new source of raw materials.

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