塑料在包装领域的应用 　　包装至今仍是塑料应用中的最大领域，其发展仍大大超过其它传统包装材料。以日本和美国为例，日本各种包装材料总消费量年均增长率为 2.8％，其中纸和纸张 4.7％，金属 4.9％，玻璃 3.3％，玻璃纸和木材均为负增长，而塑料则达到 7.1％。美国各种包装 Plastic packaging in the field of packaging is still the largest area of ​​plastic applications, its development is still much larger than the other traditional packaging materials. Taking Japan and the United States as an example, the average annual growth rate of the total consumption of various packaging materials in Japan was 2.8%, of which 4.7% was for paper and paper, 4.9% for metals and 3.3% for glass, negative growth for cellophane and wood, and 7.1% for plastics %. United States all kinds of packaging