链增长反应
- 网络propagation reaction;chain propagation;chain extending reaction;chain growth
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结果表明:链增长反应为扩散控制过程。
The results showed that the propagating reaction was a diffusion controlled process .
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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 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 .
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铜钴催化剂上碳链增长基元反应动力学的研究
Kinetics in carbon chain growth elementary reaction on Cu-Co catalyst
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双活性基团的染料单体可顺利参与溶液共缩聚反应中的链增长过程,反应活性与乙二醇相近,聚合型染料的产率和粘均分子量都很高;
The monomeric dye with two active groups has no negative effect on solution polycondensation reaction .
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应用MonteCarlo方法模拟聚合反应中链增长和链交换反应速率常数,结果表明每一个活性中心接受约6个单体插入后发生链转移反应结束该聚合链增长。
Monte Carlo method has been developed to estimate the chain propagation constant and exchange reaction constant . In average , one exchange reaction will occur after approximate six monomer molecules insert into the growing chain .
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1,3-二酮的自由基链增长和扩环反应
The Radical Chain Extension and Ring Expansion of 1,3-Diketones
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本文考察了Fe(naph)2-Al(iBu)3卤化物体系催化丁二烯聚合的链引发、链增长和链终止反应。
Initiation , propagation and termination of the polymerization of butadiene catalyzed by Fe ( naph ) _2 Al ( I Bu ) _3 Halides system have been investigated .