链转移

研究了链转移剂对悬浮法聚氯乙烯（PVC）树脂颗粒特性的影响。

Effect of chain transfer agent on the particle property of suspension PVC was studied .

MMA与SBS接枝共聚合的链转移常数

Study on Chain Transfer Constant of Graft Copolymerization of SBS and Methyl Methacrylate

非标准的非齐次Markov链转移函数的两个基本问题

Two fundamental problems about the nonstandard nonhomogeneous Markov chain transition functions

链转移剂存在下PVC分子量的调节规律

Regulation of PVC Molecular Weight in the Presence of Chain Transfer Agents

具有RAFT链转移过程的活性自由基聚合的MonteCarlo模拟

Monte Carlo Simulation on Living Radical Polymerization with RAFT Process

合成了重要的RAFT聚合链转移剂二硫代苯甲酸。

Synthesized the useful reversible addition-fragmentation transfer ( RAFT ) agent dithiobenzoic acid .

对这些化合物进行了结构表征，通过UV-vis吸收光谱研究了这些链转移剂和光引发剂在高压汞灯主要发射区的吸收特征。

Their UV - vis absorption characteristics were investigated .

一方面，铝氧烷中反应性较弱的Al一Et键，减弱了活性中心向铝的链转移反应；

On one side , the weak reactivity of Et-Al bond of EAO reduce the chain-transfer reaction to aluminum site of activator ;

苯乙烯和（甲基）丙烯酸酯类的可逆加成&断裂链转移（RAFT）聚合研究

Reversible Addition-Fragmentation Chain Transfer ( RAFT ) Polymerization of Styrene and ( Meth ) Acrylates

它能够选择性地抑制HIV-1整合酶两个催化功能中的链转移过程。

It can selectively inhibit strand transfer reaction of HIV-1 IN catalytic domain .

可逆加成-断裂链转移（RAFT）聚合在星形聚合物合成中的应用

Progress of Reversible Addition-Fragmentation Chain Transfer ( RAFT ) Polymerization Applied to the Synthesis of Star Polymers

元素碘原位生成物作为链转移剂引发VAc的DT聚合。

Degenerative transfer polymerization of VAc in the presence of elemental iodine .

RAFT聚合技术是通过可逆加成-断裂链转移机理来对聚合反应进行调控，而RAFT试剂是实现这一机理的关键。

RAFT polymerization technique is achieved through the reversible addition-fragmentation chain transfer mechanism and RAFT agent is the key for this mechanism .

Al（i-Bu）2H的链转移反应使得聚合产物的分子量较低；

The of the polymer obtained is lower because Al ( i-Bu ) 2H has high ability of chain transfer .

聚合反应后期分子量分布加宽主要是由于向大分子RAFT试剂的链转移反应受扩散控制引起的。

Because the reaction of the polymeric RAFT agent was controlled by diffusion in the late stage of polymerization , PDI became rather broad .

在自交联的丙烯酸酯类乳液体系中，引入链转移剂十二硫醇（DDM）。

Dodecyl mercaptan ( DDM ) as chain transfer agent was introduced into self-crosslinkable acrylate emulsion system .

利用合成的二硫代苯甲酸苯乙基酯为链转移剂，成功实现了MMA和St在本体及甲苯中的RAFT活性自由基聚合，结果表明均有较为明显的活性聚合特征。

The rarefied was used as transfer agent for the RAFT polymerization of MMA and St in bulk and toluene , the polymerizations were found with living characters .

结果表明，ROK的添加使体系发生了明显的链转移反应，2G的添加对链转移有促进作用。

The results show that ROK can evidently accelerate the chain transfer reaction and 2G has some positive effect on it too .

以二硫代羧酸酯和三硫代碳酸酯为链转移剂的可逆加成裂解链转移（RAFT）自由基聚合的发现，在活性自由基聚合领域是一个重要突破。

RAFT uses the dithiocarbamate or trithiocarbonate derivatives as transfer agents , the polymerization has excellent living behavior , which is an important breakthrough in the development of living free-radical polymerization .

完全抑制3′端加工及去整合反应所需ScFv的浓度高于链转移反应。

It was indicated that the ScFv concentration needed to abolish the 3 ′ end processing and disintegration reaction was higher than that of strand transfer activity .

通过添加不同量链转移剂，改变吸收剂量率、反应体系pH值和反应水浴温度，采用不同单体浓度，可以有效地控制聚合物的分子量。

The molecular weight of copolymer can be effectively controlled by the addition of different amounts of chain-transfer agent , by changing the absorbing dose rate , the pH in reaction system and the water-bath temperature , and by using various monomer concentration .

其支化程度与离子对的结构，即炔酰胺上N原子相连取代基和路易斯碱的位阻大小有关，可通过对链转移反应的抑制控制支化程度。

The degree of branch structure is related to the ion-pair , which is the substituent group connected to N atom in alkyne , and the steric effect of the Lewis Base . The branch structure can be restrained by controlling the chain transfer reaction .

对可逆加成断裂链转移（RAFT）聚合的反应机理、可逆加成断裂链转移剂的合成方法及其反应动力学的研究进展分别进行了综述。

The investigation development for the mechanism of reversible addition-fragmentation chain transfer ( RAFT ) polymerization , the synthesis methods of RAFT agents and the reactive kinetics of RAFT polymerization were reviewed , respectively .

元素碘及其衍生物作为MMA的DT聚合链转移剂以及元素碘与AIBN原位反应产物引发MMA的ATRP；

Degenerative transfer radical polymerization ( DT ) of MMA with I_2 as a transfer agent and AIBN / I_2 system in situ initiated ATRP of MMA ;

测定了MMA与SBS接枝共聚合的链转移常数，讨论了引发剂浓度、温度及溶剂对链转移常数的影响。

In this paper , chain transfer constant of graft copolymerization of SBS and MMA was determined . The influence on chain transfer constant of initiator concentration , reaction temperatures and solvents was discussed .

本论文主要以环境敏感单分子胶束的制备及其相转变行为研究为主题，运用可逆加成-断裂链转移（RAFT）的合成方法，制备了环境敏感的单分子胶束；

The dissertation with a title of " Preparation of Stimuli-Responsive Unimolecular Micelles and their Phase Transition Behavior " focuses on the synthesis of thermoresponsive unimolecular micelles by using reversible addition-fragmentation transfer ( RAFT ) process ;

TGA测试表明接枝聚合物量可以通过单体与链转移剂之间的投料比来调控，这说明反应是可控的。

The TGA measurements showed that the content of the grafted polymer can be adjusted by the ratio of the monomer and the chain transfer agent , so the polymerization process is controlled .

MoCl4-（i-Bu）2AlOCH3催化丁二烯聚合微观动力学的研究&Ⅱ.分子量与链转移反应

A study on microkinetics of butadiene polymerization with mocl_4 - ( i-bu ) _2alo ch_3 catalyst ⅱ . molecular weight and chain transfer reaction

采用聚合瓶反应考察了ROK、2G和温度对链转移反应的影响，并求取了链转移次数、链转移常数、链转移速率常数及链转移反应活化能。

Effects of ROK , 2G and polymerizing temperature were studied . The chain transfer times and constant , chain transfer rate constant and the corresponding activation energy were also calculated .

EVG与双金属离子的螯合作用及对loop区的稳定作用更强，计算所得其与IN结合自由能更低，这些都证明EVG对IN链转移过程的抑制活性更高。

Stronger chelation with metal ions , stabilization on flexible loop and free-energy calculations proved that EVG had higher inhibitory activity on strand transfer reaction of IN .