The tacticity of polymers is mainly influenced by the polarity of substituent group of vinyl monomer.
作者认为影响聚合物等规度的因素主要是取代基的极性效应。
The tacticity of polymers is mainly influenced by the coordination ability of organotin monomers and polymers.
通过计算控制等规度的活化能参数，认为单体的锡氧配位是影响聚合物等规度的主要因素。
The invention discloses a tacticity regulator used for propylene polymerization and an application of the regulator.
本发明公开了一种用于丙烯聚合的立构规整度调节剂及其用途。
The production technologies of PVA with ultrahigh relative molecular weight mass and high stereo-tacticity were introduced.
介绍了超高相对分子质量和高立构规整度的PVA 制备方法；
The conclusion is that the low tacticity polypropylene has a wide market foreground and the altered original unit has good economic benefit.
结论是低等规聚丙烯产品具有广阔的市场应用前景，在已有的间歇式聚丙烯生产装置上进行改造生产经济效益良好。
The conclusion is that the low tacticity polypropylene has a wide market foreground and the altered original unit has good economic benefit.
结论是低等规聚丙烯产品具有广阔的市场应用前景，在已有的间歇式聚丙烯生产装置上进行改造生产经济效益良好。
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