tactic polypropene
... Retreating tactic撤退战术 tactic polypropenen.有规聚丙烯 tactic polymerizationn.定向聚合,有规立构聚合 ...
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有规立构聚丙烯 tactic polypropylene
有规共聚聚丙烯 PPQQR
·2,447,543篇论文数据，部分数据来源于NoteExpress
预聚除能够提高催化剂的活性外，对提高聚丙烯粉料的表观密度和等规指数、减少聚丙烯颗粒的破碎有显著影响。
Besides increasing the catalyst activity, the pre-polymerization can not only raise the bulk density and isotacticity of the PP product, but also significantly diminish the cracking of the PP powders.
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