| 摘要 |
The present invention relates to an elastomeric film grade thermoplastic polymer composition having improved elastic performance which comprises (a) from 52 to 60 percent by weight of a block copolymer having at least two polystyrene end-blocks and a mid-block of a hydrogenated polymerized diene which has a vinyl content of 45 percent by weight or less, (b) from 13 to 22 percent by weight of polystyrene, and (c) from 19 to 28 percent by weight of oil wherein (a) + (b) + (c) add up to 100 percent by weight. |
