论文部分内容阅读
1 塑料包装材料行业概况我国塑料包装材料经过20多年的发展,已形成一定规模,在包装市场中占有重要地位,对国民经济的建设起了积极作用。1980年产量仅有19.1万t,产值30亿元;2002年产量达到401万t,产值达到680亿元,占包装工业产值2500亿元中的27%。行业装备水平不断提高,有的已经达到发达国家的先进水平,涌现了一批新产品、新技术、新材料,市场需求迅速增长,应用广泛,快速发展,平均年增长率为12%,2002年比2001年增长14.2%。复合包装基材克服了长期进口双向拉伸薄膜的
1 plastic packaging materials industry profile China’s plastic packaging materials after 20 years of development, has formed a certain scale, occupies an important position in the packaging market, the construction of the national economy has played a positive role. In 1980, the output was only 191,000 tons, the output value was 3.0 billion yuan. In 2002, the output reached 4.01 million tons, the output value reached 68 billion yuan, accounting for 27% of the output value of the packaging industry of 250 billion yuan. With the continuous improvement of the industry and equipment level, some have reached the advanced level of developed countries, and a number of new products, new technologies and new materials have emerged. The market demand has rapidly grown and is widely used and rapidly developed with an average annual growth rate of 12%. An increase of 14.2% over 2001. Composite packaging substrates to overcome the long-term import biaxially oriented film