| 摘要 |
<p>Shock resistant thermoplast comprising (a) 65-90 pts. wt. of a copolymer of 77 - 68% wt. styrene 23 - 32% wt. acrylonitrile, (b) 5 -7 pts. wt. of a copolymer of 72-65% wt. butadiene and 28-35% wt. acrylonitrile, (c) 5 - 15 pts. wt. polybutadiene contng. >30% of cis-butadiene and (d) 5 - 20 pts. wt. of a thermally cross-linked copolymer of 35 - 60% wt. butadiene and 65 - 35% wt. styrene.</p> |
