申请人:Velsicol Chemical Corporation
公开号:US04001179A1
公开(公告)日:1977-01-04
This invention discloses chemical compounds of the formula ##STR1## wherein X is chlorine or bromine and each of Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 are hydrogen, chlorine or bromine. Further disclosed are combustible polymers which have incorporated therein a fire retardant amount of a compound of the foregoing description.
这项发明揭示了化学化合物的结构式如下:其中X为氯或溴,Y.sup.1、Y.sup.2、Y.sup.3和Y.sup.4中的每一个为氢、氯或溴。进一步揭示了在可燃聚合物中,含有上述描述的化合物的阻燃量。