metallocene造句
例句与造句
- Abstract : the synthesis , characterization , reaction mechanism and progress in indus try of ethylene / propylene elastomer with metallocene catalysts were discussed , th e metallocene catalytic systems and the structure and properties of the elastome r were introduced emphatically
文摘:论述了茂金属乙丙弹性体的合成、表征、反应机理及工业化进程，着重介绍了茂金属催化体系和茂金属乙丙弹性体的结构和性能。 - Ethylene / octene copolymer sythesized by metallocene catalyst was a new kind of thermoplastic elastomer , which was molded as elastomer material by plastic common molding process such as injection , extrusion and blowing and also by rubber process such as chemical crosslinking by peroxide
采用茂金属催化剂合成的乙烯辛烯共聚物是一种新型热塑性弹性体，可用注射、挤出、吹塑等常用加工方法成型，又可用过氧化物进行化学交联，用橡胶加工方法制成弹性体材料。 - Basic properties of various polyethylene polymerized by metallocene catalysts and various branched polyethylene polymerized by oligomerization cocatalysts were researched , and the results show that metallocene branched polyethylene polymerized by oligomerization cocatalysts have high molecular weight , broad molecular weight distribution , and good tensile properties compared to metallocene - based polyethylenes prepared using mono - metallocene and bi - metallocene catalysts
摘要研究了不同茂金属催化剂聚合的茂金属聚乙烯及不同齐聚共聚催化剂聚合的茂金属支化聚乙烯的基本性能，结果表明：以齐聚共聚催化剂体系的茂金属支化聚乙烯比以单、双茂金属催化剂的茂金属聚乙烯相对分子质量高、相对分子质量分布宽，拉伸性能优良。 - Preparation of polymer composites is one of the important methods to realize high performance of polymer materials . in this paper , a newly developed ethylene - octene copolymer ( eoc ) , catalyzed by metallocene catalysts , was used as an impact modifier for pp instead of traditional modifier ( epdm ) . the relationship between the structure and properties of polypropylene composites toughened and reinforced by eoc and cacos respectively or together was studied systematically
聚合物复合材料的制备是实现高性能聚合物材料的重要途径之一，本论文采用茂金属催化剂合成的新型聚烯烃弹性体乙烯-辛烯共聚物( eoc )代替传统的三元乙丙橡胶，对eoc和caco _ 3两种增韧剂分别和协同增韧增强聚丙烯复合材料体系的形态结构与性能的关系进行了系统的研究，围绕高性能、应用探索和理论研究三个方面作了较为深入的探索和分析，获取了很多有价值的信息，为高性能聚丙烯复合材料的开发和应用作了理论铺垫，主要结果如下： 1 - In part 3 , the in - situ copolymerization of ethylene was investigated by the combinations of the cobalt - based catalyst and the metallocene to prepare short - branched polyethylene . the major oligomers catalyzed by the cobalt - based catalyst 5 , 6 and 7 werel - butene , and the minor were 1 - hexene . the comonomer effects were also observed
在双亚胺基吡啶钴配合物与茂金属复配催化乙烯原位共聚制备短支链支化聚乙烯中，合成了3种双亚胺基吡啶钴配合物，研究了反应条件对其催化乙烯齐聚活性和所得产物碳数分布的影响。 - It's difficult to find metallocene in a sentence. 用metallocene造句挺难的
- With excellent mechanical properties , a majority of metallocene polyethylene was used as films . however it is difficult to manufacture metallocene polyethylene in common blown - film machines . by blending and filling , this paper investigates different systems " rheological and crystallization properties , also films " mechanical strengths are researched
茂金属催化聚乙烯具有优异的力学性能，大部分应用在薄膜领域，但是在普通的吹膜设备上单独加工有一定的困难，本论文通过共混、填充的方法，研究了不同体系的流变性能和结晶性能，以及吹塑薄膜的力学强度。
更多例句： 上一页