Intercalated or exfoliated nanocomposites can be prepared by melt-intercalation and in-situ coordination polymerization. 熔融混合和原位聚合两种方法可用以制备插层或剥离态的纳米复合材料。
Expanding the Spectrum of Polyolefins Through Reversible Group Transfer Coordination Polymerization 以可逆基团转移配位聚合法进一步扩展聚烯烃品种
Advances in coordination polymerization of olefins determination of the concentration of active centres 烯烃配位聚合及催化剂基础研究进展&活性中心浓度测定
Since 1963, we have found a relatively new "family" of coordination catalysts composed of rare earth compound for stereospecific polymerization of conjugated dienes. 经过多年的探索研究,我们发现了新的一类定向聚合稀土络合催化剂。
Study on coordination polymerization preparation of syndiotactic 1,2-polybutadiene with cobalt catalyst system 钴系催化剂配位聚合制备间同丁二烯的研究
Progress in the Catalysts for Olefin Coordination Polymerization with Complex Carriers 烯烃配位聚合复合载体催化剂研究进展
The analysis shows that although physical blending is still a process widely used at present, coordination polymerization process already became the research focus in recent years because of its ability to realize easily the control of molecular weight and its distribution of the polymers. 指出目的应用较为广泛的是物理共混法,配位聚合容易实现分子量和分子量分布宽度可控,近几年已成为研究热点。
It is made up of such eight modules as an introduction, radical polymerization, radical co-polymerization, ionic polymerization, coordination polymerization, the preparation method of chain polymerization, step reaction polymerization and chemical reaction of polymers. 它由八个模块组成,即绪论、自由基聚合、自由基共聚合、离子聚合反应、配位聚合反应、连锁聚合实施方法、逐步聚合反应、聚合物的化学反应。
The effect of three kinds of allyhalides ( x) on the polymerization of butadiene has been studied with the method of coordination anionic polymerization. 本文采用配位阴离子聚合方法,考察三种烯丙基卤(简称X)对丁二烯(Bd)聚合的影响。
The advances in the discovery and development of group ⅳ non-metallocene catalysts for olefin coordination polymerization are reviewed. 介绍了非茂前过渡金属催化剂作为高效烯烃聚合催化剂的发展和应用情况。
Studies on Surface Coordination Structure of for PAAm-CuCl_2 Film and Its Catalytic Function for Polymerization of VAc 聚丙烯酰胺-CuCl2膜表面结构及对醋酸乙烯酯聚合催化性能研究
The advance in living coordination polymerization for olefin was reviewed. The living polymerization was commented with respects as follows: characteristics of living polymerization, structure of those catalysts, types of monomer, and control of conditions. 从活性聚合的特征、催化剂的结构和特点、聚合单体的种类、以及控制工艺条件的重要性4个方面,评述了近年来烯烃配位活性聚合研究的进展状况。
In this paper, the advances in the preparation of POSS-containing hybrid polymers are briefly reviewed, involving free radical solution polymerization, controlled/ living polymerization, open-ring metathesis polymerization, condensation polymerization and coordination polymerization. 本文综述了含POSS新型杂化聚合物的合成研究进展,涉及自由基溶液聚合、可控活性聚合、开环易位聚合、缩聚和配位聚合。
Coordination Structure of Copper Alginate Film and Its Catalytic Property for MMA Polymerization 海藻酸铜膜表面的配位结构及催化MMA聚合的性能
Progress in ethylene aqueous-phase coordination polymerization 乙烯水相配位聚合反应的研究进展
Branched polyethylene could be synthesized by radical and coordination polymerization. 支化聚乙烯可通过乙烯自由基聚合和过渡金属催化剂催化乙烯聚合与共聚合成。
Removal of copper ions and turbidity by a new kind of three-group coordination polymerization precipitant, tri ( dithiocarbamate) cyanuric acid,( TDC) was studied in this paper. 以含铜离子废水为处理对象,利用一种新合成的三基配位聚合超分子试剂二硫代氨基三聚氰酸钠(TDC),研究了其对废水中铜离子和浊度的去除效果。
A new kind of three-group coordination polymerization agent tri ( dithiocarbamate) cyanuric acid ( TDC) was designed and synthesized, and the feasibility to use TDC as a kind of coordination polymerization precipitant for heavy ions was investigated. 设计和合成了一种新的三基配位聚合超分子试剂二硫代氨基三聚氰酸钠(TDC),并研究了将其作为一种新的重金属沉淀剂的可行性。
Control of coordination polymerization of syndiotactic 1, 2-polybutadiene with cobalt-based catalyst Co系催化丁二烯配位聚合的控制
Supported titanium catalysts modified by alcohols were prepared for the first time, and the modified catalysts were used for the coordination polymerization of butadiene and isoprene. 本工作首次制备了醇改性负载钛催化剂,并将其用于丁二烯和异戊二烯配位聚合。
Advances in Group ⅳ Non-metallocene Catalysts for Olefin Coordination Polymerization 烯烃配位聚合非茂前过渡金属催化剂研究进展
Relationship between Catalyst Activity and Average Residence Time in Continuous Coordination Polymerization Reactor 连续聚合反应器中催化剂活性与物料平均停留时间的关系
Challenge and Opportunity of Coordination Polymerization of Olefins 烯烃配位聚合的机遇与挑战
Activator is an important component of catalyst system for olefin coordination polymerization, which affects not only polymerization activity but also structure and property of resulting polymer. 助催化剂是烯烃配位聚合催化剂的重要组成部分。它不仅可以影响聚合活性,而且对所得聚合物的结构和性质也有明显的影响。
Coordination Polymerization of n-Octyl Isocyanate Catalyzed by Rare Earth Phosphonate/ Alkylaluminium System 稀土膦酸酯盐-烷基铝体系催化正辛基异氰酸酯配位聚合
This paper reviewed the methods for preparing polymers having broad molecular weight distribution via physical blending, radical polymerization, coordination polymerization and ionic polymerization, respectively. 分别对采用物理共混法、自由基聚合、配位聚合和离子聚合法制备宽分子量分布聚合物进行了综述。
The core of polyolefin industry is olefin coordination polymerization catalysts whose development could be divided into tree phases. 烯烃配位聚合催化剂是聚烯烃工业的核心。到目前为止,催化剂的发展经历了三个阶段。
Furthermore, due to the general lability of Zn complexes the formation of coordination bonds is reversible which enables metal ions and ligands to rearrange during the process of polymerization to give highly ordered network structures. 此外,由于锌的配位聚合物普遍存在的不稳定性,配位键的形成过程是可逆的,这就使金属离子和配体在聚合过程中发生重新排列,得到更高规则度的网络结构。
Because of the coordination with Ag+ ion, the alkalinity of triethanolamine was reduced, and thus, the degrees of the polymerization and crosslinking of polyglycerol could be regulated by changing the molar ratio of Ag/ Ti. Ag离子与三乙醇胺的配位,降低了三乙醇胺的碱度,通过改变Ag离子的含量,可以调节聚甘油高分子网络的聚合度和交联度。