1) metallocene catalyst
金属茂催化剂
1.
According to the composite and structure of the compound, three kinds of metallocene catalyst were divided:homogeneous catalyst, monocomponent cationic catalyst and load catalyst, and every kind of catalyst had its applied field.
论述了金属茂催化剂的结构特点及其在聚烯烃工业中的应用状况 ,根据化合物的组成、结构 ,金属茂催化剂分为三类 :均相催化剂、单组分催化剂、负载型催化剂 ,每一种类型催化剂各有其应用领域。
2.
The applications of metallocene catalyst to polyolcfine offer a possibility for development of the high performance polyolefine products and improvement of the market competitive ability, in this paper, the suggestions for developing metallocene-based polyolefine in China are put forward.
介绍了金属茂催化剂的特点和应用以及国内外金属茂聚烯烃的开发动态。
3) metallocene catalyst
茂金属催化剂
1.
Progress in studies on metallocene catalyst with organic support;
有机载体负载茂金属催化剂研究进展
2.
Bench scale test development of loading metallocene catalyst;
负载型茂金属催化剂的模试开发
3.
Application of metallocene catalyst in ethylene propylene rubber;
茂金属催化剂在乙丙橡胶中的应用
4) post-metallocene catalyst
后茂金属催化剂
1.
Basic properties of propylene based plastomers synthesized by post-metallocene catalyst were studied as compared with isotactic polypropylene and block polypropylene.
以等规PP和嵌段共聚PP为对比样,研究了用后茂金属催化剂制备的丙烯基塑性体的基本性能。
5) metallocene catalysts
茂金属催化剂
1.
Three metallocene catalysts with different sensitivities to hydrogen were chosen to simulate their dynamic behaviors in the fluidized bed reactor.
研究了3种对氢敏感程度不同的茂金属催化剂Cp2*ZrCl2(、Ind)2ZrCl2和Cp(Ind)ZrCl2在反应器中的聚合动力学行为,以Flory分布函数描述单活性中心的相对分子质量分布。
2.
The copolymerization of cycloolefin and α-olefin,and the structure of the obtained polymer are significantly affected by the structure and symmetry of metallocene catalysts,electronic effect and steric hindrance of ligands.
着重介绍了加成聚合法中茂金属催化剂的结构对称性、配体的电子和体积效应、反应条件等对聚合活性、产物组成与序列分布及相关热性能的影响。
3.
Metallocene catalysts technique is especially cared about because it can precisely control the malecular of polymer and can'custom-tailar' polymers of various structions,according to the user's requirements.
从生产技术和新品种开发方面介绍了国外聚烯烃树脂最新进展情况，指出茂金属催化剂技术、Ｃａｔａｌｌｏｙ技术、Ｓｐｈｅｒｉｌｅｎｅ技术是人们开发研究的重点，特别是茂金属催化剂技术能按照用户的要求“定制”不同结构的聚合物。
6) Metallocene
[mi'tæləsi:n]
茂金属催化剂
1.
For the purpose of using metallocene in the presenting industrial appratus, supporting the catalyst and the cocatalyst on a support was the key technology.
综述了均相茂金属催化剂负载化的研究现状，详细评述了载体，包括无机载体，尤其是聚合物载体及其负载化技术，并对今后负载化研究的方向作了展望。
2.
Branched polyethylene has been prepared by using asymmetric metallocene and MAO catalytic system.
近十几年来均相茂金属催化剂的发展,为具有各种特殊结构,特殊性能聚烯烃的制备及其聚合机理的研究提供了新的机会。
3.
This paper has briefly reviewed the structure and characteristics of metallocene,and its application in production of polyolefine.
茂金属催化剂是一种具有均匀的活性中心，分子裁剪性和结构可控性的新型催化剂，用它催化可制得具有特殊性能的茂金属聚烯烃。
补充资料：单活性中心茂金属催化剂
分子式：
CAS号：
性质：即指茂金属催化剂。传统烯烃聚合用齐格勒-纳塔催化剂，具有多种活性中心，使聚合产品分子量分布宽，用于丙烯聚合时，产品中同时含有等规结构和无规结构产物。而茂金属催化剂活性中心单一。聚合产物分子量分布很窄(Mw/Mn约为2)。共聚时组成分布也窄。丙烯聚合时产物也单一，因而被称为单活性中心催化剂。
CAS号：
性质：即指茂金属催化剂。传统烯烃聚合用齐格勒-纳塔催化剂，具有多种活性中心，使聚合产品分子量分布宽，用于丙烯聚合时，产品中同时含有等规结构和无规结构产物。而茂金属催化剂活性中心单一。聚合产物分子量分布很窄(Mw/Mn约为2)。共聚时组成分布也窄。丙烯聚合时产物也单一，因而被称为单活性中心催化剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条