A bis-polyhalobenzyl compound of the formula:
wherein X is oxygen or sulfur, Y is bromine or chlorine, m, n is an integer from 3 to 5 inclusive, for use as a flame retardant, and a process for producing it.
一种双卤代苯基化合物,其
化学式为:其中X为氧或
硫,Y为
溴或
氯,m,n为3到5之间的整数,用作阻燃剂,并提供一种生产它的方法。