1) electron donor
电子给体
1.
In this dissertation, four new electron donors containing diamino group, pyridine group, pyrene group, have been designed and prepared.
TTF(Tetrathiafulvalene)及其衍生物是强电子给体且具有可逆的氧化还原性,它们不仅可以构筑分子导体,而且在材料化学领域显示出诱人的应用前景。
2.
Tetrathiafulvalene (TTF) is a strong electron donor with good reversible electrochemical redox properties.
四硫富瓦烯(TTF)是具有可逆氧化还原性质的强电子给体,由其衍生物制备的导电Langmuir-Blodgett(LB)膜可应用于分子材料及分子电子器件方面的研究。
2) electron donor
给电子体
1.
A novel MgCl_2-supported Ziegler-Natta catalyst using poly(propylene glycol)dibenzoate (PPGDB) as the internal electron donor for propylene polymerization was prepared.
采用聚丙二醇二苯甲酸酯(PPGDB)为内给电子体制备了一种新的丙烯聚合催化剂MgCl2/PPGDB/TiCl4。
2.
Propylene polymerization was studied with TiCl4/MgCl2/1,3-diol dibenzoate(LLX)/diisobutyl phthalate(DBP) as catalyst,in which LLX/DBP was used as internal electron donor compounds.
对TiCl4/MgCl2/1,3-二醇酯(LLX)/邻苯二甲酸酯(DBP)复配内给电子体催化剂的丙烯聚合行为进行了研究。
3.
This paper summarized research and development status of Ziegler-Natta catalyst for polymerization of ethylene and propylene,and focusing on the progress of propylene polymerization catalyst with a new diether compounds as internal electron donor.
综述了ziegleer-Natta催化剂在乙烯聚合和丙烯聚合方面的研究开发现状,重点介绍了采用新型二醚化合物作为内给电子体的丙烯聚合催化剂的进展。
3) electron donors
给电子体
1.
The functions of electron donors in the Ziegler-Natta catalyst system for polypropylene;
丙烯聚合Ziegler-Natta催化剂中给电子体的作用
2.
Overviews development situation of Basell Z-N catalyst for polypropylene production,emphasizing on the latest development of internal and external electron donors.
综述Basell公司聚丙烯Z-N催化剂进展情况,特别介绍了内、外给电子体的最新进展。
4) donor
[英]['dəʊnə(r)] [美]['donɚ]
给电子体
1.
Evaluation of New Highly Activity Donor in Industrial Application;
几种高活性外给电子体工业应用评价
2.
The Application of Domestically-made Electron Donor in PP Plant of Daqing;
国产给电子体在大庆聚丙烯装置上的应用
3.
1 MPa for 2 hours, which tested the crystallized properties of polypropylene by separately using the combination of catalyst X1,catalyst X2,import catalyst TK260,domestic catalyst YH842 with three other kinds of outer-donors.
1 MPa、时间2 h条件下进行实验,测试了催化剂X1、X2、进口催化剂TK260、国产催化剂YH842与3种外给电子体组合所制备的聚合物的结晶性能;讨论了外给电子体、Al／Si对催化剂活性、聚合物结晶性能的影响;指出外给电子体的种类及Al／Si是制备高结晶聚丙烯(HCPP)的关键因素。
5) internal donor
内给电子体
1.
DNBP as internal donor influences electronic state of Ti species in TiCl4/MgCl2 catalysts by providing electrons to the species, which makes the binding energy of Ti 2p3/2 peak shifting to lower energy regions.
采用光电子能谱技术对不同内给电子体邻苯二甲酸二正丁酯(DNBP)含量的TiCl4/MgCl2催化剂的结构进行了表征。
2.
Activity,hydrogen response,stereospecificity and kinetic behavior of catalysts with 1,3-diol dibenzoate as internal donor for propylene polymerization were studied.
研究了1,3-二醇酯为内给电子体的丙烯聚合ND-01系列催化剂的活性、氢调敏感性、定向性及动力学行为。
3.
It was found that a small amount of di-n-butyl-phthalate(DNBP)was produced in-situ by chemical reactions in the system and acted as internal donor in polymerization.
表征结果显示,在TiCl4/MgCl2催化剂的制备过程中,原位生成了少量的内给电子体邻苯二甲酸二正丁酯(DNBP)。
6) external electron donor
外给电子体
1.
Function of external electron donors in polypropylene catalyst;
外给电子体在催化丙烯聚合中的作用研究
2.
Ziegler-Natta catalyst was used with tri-ethyl aluminum as promoter and external electron donor.
预聚合过程中加入外给电子体,可提高聚丙烯粒子的规整性,减少细粉含量,但降低催化剂的催化活性。
3.
It was important to add external electron donors to increase the activity of Ziegler-Natta catalysts and to control tacticity of polymers during propylene polymerization.
在丙烯聚合过程中加入外给电子体,对于提高Ziegler-Natta催化剂活性及控制聚合物立构规整性发挥着极为重要的作用。
补充资料：电子给体-受体络合物
分子式：
分子量：
CAS号：
性质：见电荷转移络合物。
分子量：
CAS号：
性质：见电荷转移络合物。
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