Test methods for methyl comonomer content in polyethylene by infrared spectrophotometry 远红外光谱仪测量聚乙烯中甲基的方法
2.
Standard test method for methyl comonomer content in polyethylene by infrared spectrophotometry 红外分光光度测定法测定聚乙烯中甲基
3.
The structure of the metallocene had an important influence on the maximum activity of the comonomer effect 共聚催化剂的结构对整个原位共聚体系活性的影响比较明显。
4.
The yield , molecular weight , polar comonomer content and melting temperature of the poly ( olefin - ester ) s can be controlled by the change of polymerization reaction condition 改变聚合条件,可控制烯烃共聚酯的分子量、极性单体插入率和熔融温度等性质。
5.
Application : as the intermediate of sulfadiazine , comonomer of the copolymer , synthetic material of organic compounds . the material of the perfumes , the additives lubricating oil etc 用途:用作磺胺嘧啶的中间体,也可作为共聚物的单体及有机合成原料,并能制取香料及润滑油添加剂等
6.
This thesis was composed in three parts : ( 1 ) the performance of the catalysts for the oligomerization and polymerization of ethylene ; ( 2 ) the comonomer effect of the in - situ copolymerization of ethylene by the bis ( imino ) - pyridyl iron complexes and metallocenes ; ( 3 ) the in - situ copolymerization of ethylene by cobalt - based catalysts and metallocenes 本论文共分为3部分:催化剂性能的评价,双亚胺基吡啶铁配合物与茂金属复配催化乙烯原位共聚中的共单体效应以及双亚胺基吡啶钴配合物与茂金属复配催化乙烯原位共聚。
7.
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。