abstract |
ABSTRACT OF THE DISCLOSURE The present invention relates to a biaxially ori-ented polymeric sheet having attenuated blocking proper-ties comprising, a polymer of polyvinylidene aromatic monomer and optionally 0.1-80% of an unsaturated ethyleni-cally unsaturated nitrile having dispersed therein an amount, sufficient to attenuate the blocking, of a diene rubber grafted with said monomers and a method for atten-uating the blocking properties of said sheet. |