MATERIALKOMPOSITION INNEFATTANDE ETT POLYMERISAT AV EN ALKENYLAROMATISK MONOMER SAMT ETT DIENGUMMI

摘要

This invention relates to an improved polymeric polyblend characterized by a blend of (A) a polymer of at least one monoalkenyl aromatic monomer having dispersed therein an amount sufficient to toughen said polyblend of a (B) diene rubber, said rubber being dispersed as crosslinked grafted rubber particles wherein said improvement comprises (C) said diene rubber particles having a rubber moiety structured in a novel morphological form comprising rubber fibers or rubber sheets and mixtures thereof.