| 摘要 |
<p>A polymer composition having improved balanced mechanical and optical properties comprising (1) a random copolymer comprising from about 0.8 % to about 20 % by weight of butene-1 and from about 80 % to about 99.2 % by weight of propylene, and (2) from about 0 %-0.35 % by weight of polymer composition of a synthetic amorphous silica antiblock agent.</p> |
