Radical chain polymerization is an important content to study the course of "polymer Chemistry".
自由基聚合是《高分子化学》学习的重要内容。
A clear understanding for the quantitative relationship among them will conduce to study of the radical chain polymerization knowledge. These contents are discussed in this article.
理清三者之间的定量关系对于自由基聚合的理论学习颇有帮助。
There are three significant scientific concepts, kinetic chain length and number average degree of polymerization and radical life, in the chapter of the radical chain polymerization.
其中动力学链长、平均聚合度、自由基寿命是三个重要的学术概念。
The effect of the chain structure of carboxylated polypropylene carrier (polypropylene grafted with unsaturated carboxylic acid) on the polymerization rate of acrylonitrile was investigated.
研究了羧化聚丙烯载体(不饱和羧酸接枝聚丙烯)接枝链的结构对丙烯腈聚合速度的影响。
Poly (N-vinylpyrrolidone) with carboxylic end groups and amino end groups (PNVP-NH2) were prepared by the chain transfer reaction in free radical polymerization.
利用普通自由基聚合中的链转移反应,分别制备了以羧基为端基的聚和以胺基为端基的聚(PNVP - NH2)。
The influence of melt polycondensation and solvent refluxing methods of lactide polymerization and chain extension agents on relative molecular weight of polylactide was studied.
研究了乳酸熔融缩聚和溶剂回流脱水缩聚两种聚合方法及几种扩链剂对乳酸聚合物相对分子质量的影响。
Prepolymers with-NCO and-OH groups on the chain were produced at the early stage of the polymerization.
反应初期首先形成分子链上含有-NCO和-OH基团的预聚物分子。
This paper discusses, the synthesis, photoinitiation polymerization mechanism and applications of polymer photosensitized initiator containing side chain benzophenone chromophores.
简要介绍含二苯酮基的大分子光敏引发剂的合成制备、引发聚合机理及应用方面的研究进展情况。
Reversible addition-fragmentation chain transfer (RAFT) polymerization was a novel method of living radical polymerization.
可逆加成-断裂链转移(RAFT)聚合是一种基于可逆链转移的活性自由基聚合技术。
Analyzed characteristics were the PEO side chain length, the degree of backbone polymerization, the composition of functional groups such as carboxylic and sulfonic groups, and the purity of polymers.
主要剖析的特性为:聚氧化乙烯(PEO)支链的长度,主链聚合的水平,各功用组如羧基组和磺酸基组的成分以及聚合物的纯真度。
Effects of as 2 - mercaptoethanol chain transfer agent to polymerization and the relative molecular weight of copolymer were studied.
比较了不同链转移剂的作用效果;研究了2-巯基乙醇作为链转移剂对聚合过程和共聚物相对分子质量的影响。
UV curing polyacrylate pressure sensitive adhesive was synthesized by core-shell polymerization, at the same time, chain transfer agent NDM was added for controlled reaction rate.
采用本体聚合方法将丙烯酸酯单体的混合物实施热聚合制备预聚体,采用核-壳聚合法的单体投料方式同时加入链转移剂十二烷基硫酵来控制反应进程。
It shows that the content of head-to-tail chain of the polymer are related to its polymerization temperature, but are not related with the kind of initiators used.
实验表明聚合物的头-头链的含量与聚合温度有关,而与引发剂的种类无关。
The double mutation also reduced short (degree of polymerization (DP) 5–6) and long (DP 12–23) amylopectin chain contents in the grain and increased the medium long types (DP 7–11).
双突变还降低了短(聚合度(DP)5-6)和长(DP12-23)支链淀粉链的含量、增加了中长型(DP 7-11)支链淀粉的含量。
The double mutation also reduced short (degree of polymerization (DP) 5–6) and long (DP 12–23) amylopectin chain contents in the grain and increased the medium long types (DP 7–11).
双突变还降低了短(聚合度(DP)5-6)和长(DP12-23)支链淀粉链的含量、增加了中长型(DP 7-11)支链淀粉的含量。
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