A composition comprising: a blended product of: a matrix polymer; and from 0.05 to 2.5 wt % diffuser polymer particles, wherein the diffuser polymer particles are characterized by an average diameter from 2 to 20 micrometers, a particle size distribution such that at least 90 wt % of the polymer particles fall within ±30% of the volume average particle size, a crosslinking level greater than 4%; and wherein the diffuser polymer particles comprise units derived from at least one alkyl(meth)acrylate monomer, from 5 wt % to 25 wt % units derived from a crosslinking monomer selected from the group consisting of aliphatic crosslinking monomers, aromatic crosslinking monomers and combinations thereof, optionally, units derived from one or more comonomers selected from the group consisting of aryl(meth)acrylate monomers and monovinyl arenes; and wherein from 0.1 to 20 wt % one or more performance additives dispersed within the diffuser polymer particles is provided.
一种组合物,包括:基质聚合物;0.05 至 2.5 wt % 的扩散聚合物颗粒,其中扩散聚合物颗粒的特征是平均直径为 2 至 20 微米,粒径分布为至少 90 wt % 的聚合物颗粒的体积平均粒径在±30%范围内,交联度大于 4%;其中扩散器聚合物颗粒包括衍生自至少一种烷基(甲基)
丙烯酸酯单体的单元,5重量%至25重量%衍生自选自由脂肪族交联单体、芳香族交联单体及其组合组成的组中的交联单体的单元,任选地,衍生自选自由芳基(甲基)
丙烯酸酯单体和单
乙烯基烷组成的组中的一种或多种共聚单体的单元;以及其中0.1 至 20 wt % 的一种或多种高性能添加剂分散在扩散聚合物颗粒中。