2009年,世界丁基及卤化丁基橡胶总产能已超过百万吨,达到109万吨/年,且只有美国、德国、俄罗斯和意大利4个国家拥有丁基橡胶生产技术。在国际市场上,Exxon公司和朗盛公司的丁基橡胶产品处于垄断地位,生产能力约占世界总生产能力的80%。而我国目前仅有北京燕山石油化工公司合成橡胶厂一家生产企业,产量不能满足国内实际生产的需求,每年都要 In 2009, the world’s total butyl and halogenated butyl rubber production capacity has exceeded one million tons to 1.09 million tons / year, and only the United States, Germany, Russia and Italy, four countries have butyl rubber production technology. In the international market, the butyl rubber products of Exxon and LANXESS are monopolized and their production capacity accounts for about 80% of the world’s total production capacity. At present, only China’s Yanshan Petrochemical Company synthetic rubber plant a production enterprise, the output can not meet the actual needs of the domestic production, every year