| abstract |
A porous molded article having microvoids thereinnwhich comprises a stretched product of a resin moldednmaterial made up of, as the base material, an olefinic resinncomposition containing from 95 to 50% by weight of ancrystalline olefinic resin component (A) and from 5 to 50% bynweight of a polymer of a cyclic olefin having a weightnaverage molecular weight of not less than 1,000 and less thann10,000 and a glass transition point of from 180 to 400°Cncomponent (B). |