甲基丙烯酸甲酯(Methylmethacrylale,MMA)为有机玻璃单体,随着国民经济各部门和医学临床各科如牙科、骨关节矫形外科对它的大量需求,MMA的产量亦在逐年增加,据调查我国就有78个MMA生产工厂,分布于27个省、市,生产工人5000名左右,据8个有关工厂调查统计,直接接触MMA作业工人760余名对某MMA生产厂调查,1980年前MMA年产量为300吨,而后猛增至年产1400吨。近年来报道,在美国MMA直接生产工人就有3万多,每年接受MMA做骨关节矫形者可达 Methylmethacrylate (MMA) is a plexiglass monomer. With the great demand of various departments of the national economy and medical clinical departments such as dentistry and orthopedics, the output of MMA is also increasing year by year. According to the survey There are 78 MMA production plants in China, distributed in 27 provinces, cities and about 5000 production workers. According to the survey of 8 factories, there are more than 760 MMA workers in direct contact with an MMA plant survey. Before 1980, the MMA Annual output of 300 tons, then soared to an annual output of 1400 tons. It has been reported in recent years that more than 30,000 MMA workers are directly produced in the United States and are reachable annually by MMA for orthopedic surgery