This invention discloses chemical compounds of the formula ##SPC1## Wherein Y is chlorine or bromine and n is an integer from 2 to 5. Further disclosed are fire retardant compositions comprising a combustible polymer and a compound of the foregoing description.
本发明披露了
化学式为##
SPC1##的化合物,其中Y为
氯或
溴,n为2到5的整数。还披露了包括可燃聚合物和上述描述的化合物的阻燃组合物。