The present invention relates to a self-extinguishing polymeric composition comprising: a) a stabilizing polymeric composition containing i) from 80% to 99.5% by weight of one or more vinylaromatic polymers compatible with each other; and ii) from 0.5% to 20% by weight of at least one block copolymer containing: 1) at least one vinylaromatic polymer block compatible N with (i) and constituting a weight quantity equal to or higher than 15% by weight with respect to the whole block copolymer, and 2) at least one vinyl copolymer block containing epoxy groups so that there is from 0.7% to 19% by weight of oxirane oxygen calculated on the total of block copolymer; and b) from 0.03 phr by weight to 10 phr by weight, calculated on the basis of component (a), of at least one halogenated flame retardant.
本发明涉及一种自灭火
聚合物组合物,包括:a)一种稳定的
聚合物组合物,其中包含i)80%至99.5%重量的一种或多种互相兼容的
乙烯基芳香
聚合物;以及ii)0.5%至20%重量的至少一种嵌段共聚物,其中包含:1)至少一种与(i)兼容的
乙烯基芳香
聚合物块,构成整个嵌段共聚物重量数量等于或高于15%的重量;以及2)至少一种含有环
氧基的
乙烯共聚物块,使得计算出的环
氧氧在整个嵌段共聚物中占0.7%至19%的重量;b)基于组分(a)计算,从0.03 phr重量至10 phr重量的至少一种卤素
阻燃剂。