精对苯二甲酸(PTA)主要用于生产PET(聚对苯二甲酸乙二醇酯)树脂和聚酯纤维。按2001年其用途统计,聚酯纤维占68％,PET树脂占25％,薄膜占5％,其他占2％。按地区分布,亚太地区占69％,北美占17％,欧洲/非洲占10％,中东占3％,南美占1％。据分析,2001年全球PTA产能前10位公司排名依次是:1.BP公司5 285 kt/a,2.杜邦公司1 930 kt/a,3.三菱化学公司1 600 kt/a,4.三井化学 Terephthalic acid (PTA) is mainly used to produce PET (polyethylene terephthalate) resins and polyester fibers. According to its use statistics in 2001, polyester fibers accounted for 68%, PET resins accounted for 25%, films accounted for 5%, and others accounted for 2%. By region, Asia Pacific accounts for 69%, North America 17%, Europe/Africa 10%, Middle East 3%, and South America 1%. According to the analysis, the ranking of the top 10 global PTA production capacities in 2001 was: 1. BP Company 5 285 kt/a, 2. DuPont Company 1 930 kt/a, 3. Mitsubishi Chemical Corporation 1 600 kt/a, 4. Mitsui Chemistry