Use of particles of an inorganic oxide having a weight average particle size of less than or equal to 400 nm for improving resistance to environmental stress cracking in a polymeric composition, the polymeric composition comprising a polymer matrix derived from one or more polymerisable monomers, wherein said polymeric composition is obtainable by polymerising a polymerisable mixture comprising said one or more polymerisable monomers of the polymer matrix in the presence of said particles and a dispersing agent comprising an ethylenically unsaturated compound.
使用重量平均粒径小于或等于 400 纳米的无机氧化物颗粒来提高聚合物组合物的抗环境应力开裂性能,该聚合物组合物包括由一种或多种可聚合单体衍生的聚合物基体,其中所述聚合物组合物可通过聚合可聚合混合物而获得,该混合物包括聚合物基体中的所述一种或多种可聚合单体,并存在所述颗粒和由
乙烯基不饱和化合物组成的分散剂。