偏苯三酸酐的国内外市场分析

Market Analysis of Trimellitic Anhydride at Home and Aborad

目前世界偏苯三酸酐的总生产能力约为 2 3 0万t/a ,产量约为 16 5万t/a ,消费量约为 16 0万t/a。2 0 0 3年 ,我国偏苯三酸酐的生产能力约为 4 1万t/a,产量约为 1 6万t,消费量约为 1 35万t。在我国 ,偏苯三酸酐主要用于生产粉末涂料及树脂固化剂、偏苯三酸酯类增塑剂、聚酰亚胺绝缘漆以及改性醇酸树脂等 ,另外有少量用于电影胶片絮凝剂、飞机发动机润滑油以及偏苯酸酯钠盐阴离子表面活性剂等。预计 2 0 0 5年我国偏苯三酸酐的消费量将达到约 1 75万t。

At present,the total capacity of trimellitic anhydride in the world is about 230,000t/a, with output of 165,000 t/a and total consumption about 160,000t/a. In 2003, the capacity of trimellitic anhydride in China was about 41,000 t/a,with output of 16,000t and total consumption about 13,500t. In China, trimellitic anhydride is mainly used in production of powder coating, resin curing agent, trimellitic ester based plasticizer, polyimide insulating varnish and modified alkyd resin, and a few for cinefilm flocculant, airplane motor lube and trimellitic ester sodium salt anionic surfactant. It is forecasted that the total consumption of trimellitic anhydride in China will reach about 17,500t in 2005.