living polymerization

General kinetic model of imperfect living polymerization ⅰ . stationary state theory

非理想活性聚合反应动力学的一般模型Ⅰ.稳态理论

New Development of Living Polymerization

活性聚合新进展

The studies of living polymerization of NBE were also introduced .

还报道了NBE的活性聚合研究。

Living Polymerization by radical mechanism is a new type of reaction which has been explored recently .

自由基活性聚合是人们在们在近年来探索的一类新的聚合反应。

Recent Progress in Living Polymerization for Olefin

烯烃配位活性聚合研究的新进展

Advances in living polymerization of polar monomers promoted by metallocene complexes

茂金属化合物催化极性烯类单体活性聚合的研究进展

Moreover , living polymerization research was carried out and block polymers containing different peptide chains were obtained .

此外，实现了活性聚合并得到了含有不同肽链结构的嵌段共聚物。

The progress of living polymerization techniques has made it possible to design glycopolymers at the molecular level .

活性聚合技术的进步，使设计合成结构可控的含糖聚合物成为可能。

Polymers with predetermined molecular weight and narrow molecular weight distribution can be prepared by living polymerization methods .

利用这些新的活性自由基聚合方法可以得到可控分子量、窄分子量分布的聚合物。

Catalytic performances of the five catalysts were evaluated and three of them displayed characteristics of living polymerization behavior .

对几种催化剂的催化性能进行了评价，其中三种催化剂表现出活性聚合的特征，催化脂肪系亚胺与CO共聚得到的聚合物的分子量分布都比较窄。

Progress in Isocyanate Living Polymerization

单异氰酸酯活性聚合研究进展

The results showed that the polymerization of propylene oxide catalyzed by DMC catalyst was a kind of living polymerization system .

结果表明，锌/钴双金属氰化络合物催化环氧丙烷的聚合是一个活性聚合体系。

Reversible Addition-Fragmentation Chain Transfer ( RAFT ) Living Polymerization of Water-soluble Monomer and Application in Miniemulsion System

水溶性单体的RAFT聚合及其在细乳液体系中的应用

The relationships of molecular weight and monomer concentration , initiator concentration show that the polymerization reaction system has the characteristic of living polymerization .

分子量与单体浓度、引发剂浓度的关系说明，该体系具有一定程度的活性聚合特点。

Advances of Coordination-Insertion Living Polymerization Catalysts for Olefins

烯烃配位-插入活性聚合催化剂的研究进展

Living polymerization are polymerizations in which propagation centers do not undergo either termination of tranfer .

活性聚合活性聚合是指增长中心不会发生链终止和链转移的聚合反应。

Core-shell polymer micelles with a crosslinked core were synthesized by the approach similar to the Arm-first living polymerization method .

我们通过类似于Arm-first的活性聚合方法制备出具有核交联的核壳结构的聚合物胶束。

Reversible Addition-Fragmentation Transfer ( RAFT ) Living Polymerization of Styrene Miniemulsion in the Presence of Solubilizer

增溶剂存在下苯乙烯细乳液RAFT活性自由基聚合

The catalyst has attracted much attention , because of very high polymerization activity , structural control of polyolefins with facility , multiple living polymerization and so on .

以它的极高的活性、聚合物分子结构的可控性、多重活性聚合等特性而引人注目。

Polymers , not only with predetermined molecular weight and narrow molecular weight distribution , but also with various compositions and architecture , can be prepared by living polymerization .

利用这些方法不仅可以得到可控分子量、窄分子量分布的聚合物，而且可以合成不同组成、不同结构的聚合物。

RAFT living polymerization technology is a powerful tool to produce functional polymers and it has wide applicable monomers , remarkable molecular design ability and strong compatibility with other methods .

RAFT活性聚合方法具有广泛的适用单体，卓越的分子设计能力以及与其他方法极强的适应性，是制备功能聚合物的强有力工具。

The grafting yield - time and conversion rate - time curves indicated that the graft polymerization of DMAEMA and HEMA monomer had the characteristics of living polymerization .

真丝的接枝率时间及转化率时间曲线表明两种单体的接枝聚合具有活性聚合的特征。

The process of reaction has an obvious characteristic of living polymerization , and the convertion-time plots and the molecular weight-convertion plots are well linear correlated .

反应过程中有明显的活性聚合特征，其转化率-时间曲线和数均分子量-转化率曲线呈现较好的线性关系。

In several ionic living polymerization systems , there are two kinds of active species such as ion pairs and free ions , or contact ion pairs and solvent separated ion pairs .

在一些离子型活性聚合反应体系中，存在两种具有链增长反应活性的物种，例如自由离子和离子对。

In this part , we have testified the living polymerization character in this polymer system by dynamic analysis and investigated gel behaviors such as the critical gel point and the gel swelling degree .

在这一部分工作中，我们通过动力学分析发现聚合过程是具有活性的，此外，我们还对凝胶的凝胶点和凝胶溶胀度等性质进行了深入的研究分析。

The compound with less bulk substituent has great active . The polymerization under the zirconocene is different with simple radical reaction . The reaction has different active center and similar to living polymerization .

茂锆化合物的催化反应类似于活性聚合，聚合反应中存在不同的活性中心，该反应有别于纯自由基反应。

The problem of monomer transfer in living polymerization has been retreated theoretically according to Nanda 's , Peebles 's and Bresler 's kinetic schemes respectively .

本文分别根据Nanda、Peebles以及Bpecnep的反应动力学方程，重新处理了活性聚合反应中的单体链转移问题。

However , for the most of polymers , especially the polymers prepared by living polymerization , the water-soluble polymers are seldom found , so the first-hydrophilic arm method is restricted .

但是，在聚合物中，特别是用活性聚合方法制得的聚合物中，水溶性的聚合物比较少，这就限制了该方法的普遍应用。

Among all the living polymerization methods , anionic polymerization has been extensively studied , and is the best method to design chain architectures . However , anionic polymerization can only polymerize a limited range of monomers .

在众多的活性聚合方法中，活性阴离子聚合发展得最为成熟，是迄今进行高分子链构造设计的最佳方法，但是可聚合单体的范围有限。

Anionic polymerization as the first method of living polymerization was used for the synthesizing of designated structure polymers , like narrow molecular weight , star-model and block copolymer . Meanwhile , it was broadly applied in the industry .

作为最早实现活性聚合的方法，阴离子聚合是合成分子量分布较窄以及星型、嵌段等特定结构的聚合物最重要的方法之一，同时，这也是目前能够广泛应用于工业上的合成手段。