分散体包括在反应活性有机分散介质中在自由基引发剂存在下乙烯基单体的聚合产物。
The dispersion comprises the product of polymerization of a vinyl monomer in the presence of a free radical initiator in a reactive organic dispersion medium.
在金属催化剂的作用下，或在一些自由基引发剂的条件下，我们将肼的衍生物与一系列的底物进行反应，反应得到了一些结果。
We made the hydrazine derivates reacting with various substrates under the condition of metal catalyst or initiate radical agent, and had some results.
以过硫酸铵和硝酸银为自由基引发剂 ，以2 ，3二甲吡嗪和苯乙酸为原料 ，首次采用自由基烃基化反应合成5苄基 2 ，3 二甲吡嗪。
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate through a radical hydrocarbylation mechanism to yield 5 benzyl 2,3 dimethylpyrazine.
很多这些成分都是氧化剂，能产生自由基导致红肿发炎和血凝块增多从而引发心脏动脉硬化。
Many of these are oxidants that generate the free radicals that promote inflammation and blood clots that stiffen heart arteries.
最近的研究证实了抗氧化剂有助于消灭能够引发癌症的自由基。
Recent studies have shown antioxidants are effective in helping to combat the free radicals that cause cancer.
引发剂效率引发剂效率定义为，引发剂最初分解形成自由基，并成功引发聚合反应的分数。
The initiator efficiency fis defined as the fraction of the radicals formed in the primary step of initiator decomposition, which are successful in initiating polymerization.
在引发剂的作用下，配合物4和苯乙烯进行自由基共聚，得到高分子化催化剂6。
The corresponding polymer-incorporated zirconium catalyst 6 was obtained by the co-polymerization of the olefin group of catalyst 4 with styrene in the presence of a radical initiator.
通过对自由基反应原理和引发剂活性的阐述，结合高压聚乙烯管式法工艺，分析有机过氧化物引发剂在高压聚乙烯的选择应用。
The selection and application of organic peroxides initiators in LDPE production are discussed. The reaction of free radical and activity of the initiator are also described.
为研究阴离子聚合引发剂萘锂络合物是否可引发自由基聚合，进行了萘锂络合物引发醋酸乙烯聚合的实验。
To study the radical character of naphthalene lithium, which is a classical anionic initiator, the polymerization of vinyl acetate was initiated by it.
本发明涉及可聚合组合物，所述组合物包含可自由基聚合的酸性树脂和含有多环芳族组分的光引发剂体系。
The invention features a polymerizable composition that comprises a free-radically polymerizable acidic resin, and a photoinitiator system comprising a polycyclic aromatic component.
本发明公开了一种聚丙烯接枝共聚物，由一种原子转移自由基聚合引发剂在温和条件下引发聚合制备。
The polypropylene grafted copolymer is prepared through polymerization under mild condition and initiated with one kind of atom transferring free radical polymerization initiator.
本发明公开了一种聚丙烯接枝共聚物，由一种原子转移自由基聚合引发剂在温和条件下引发聚合制备。
The polypropylene grafted copolymer is prepared through polymerization under mild condition and initiated with one kind of atom transferring free radical polymerization initiator.
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