聚丙烯工业的现状与展望李天益石油化工是国民经济的支柱产业。在众多的石化产品中，聚烯烃占有十分重要的地位。聚烯烃的产量和工业技术水平，是衡量一个国家石化工业水平的重要标志之一。我国聚烯烃工业发展迅速。早在五十年代末、六十年代初，化工部北京化工研究院（以... Polypropylene Industry Status and Prospects Li Tianyi Petrochemical industry is a pillar industry of the national economy. Among the many petrochemical products, polyolefins occupy a very important position. The production of polyolefins and the level of industrial technology are one of the important indicators to measure the level of a petrochemical industry in a country. China’s polyolefin industry has developed rapidly. As early as in the late fifties and early sixties, the Ministry of Chemical Industry Beijing Research Institute of Chemical Industry (...