Synthetic methods and their research progress of aromatic cyclic oligomers, including one-step polymerization, multi-step polymerization and cyclo-depolymerization are rev…
本文按一步合成法、多步合成法和解聚成环法三种不同路线综述了芳香环状低聚体的制备及其研究现状。
A kind of rigid polymer microsphere with core shell structure was synthesized by multi step composite emulsion polymerization technique.
通过多步复合乳液聚合方法合成了一种具有核壳结构的刚性聚合物微球。
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.
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。
Many different chemical reactions may be used to synthesize polymeric materials by step-growth polymerization.
许多不同的化学反应通过逐步聚合可用于合成聚合材料。
The controlling step of the ageing reaction for the directing agent of zeolite L is directional polymerization between aluminosilicate oligomers or between aluminosilicate and silicate oligomers.
沸石导向剂陈化反应的控制步骤是低聚态硅铝酸根离子之间或低聚态硅铝酸根离子与低聚态硅酸根离子之间的定向聚合反应。
The emulsion polymerization is carried out in three steps, and the carboxylic ethyl acrylate is only added in the third step of polymerization.
乳液聚合反应分 为三段，丙烯酸羧乙酯只在第三段聚合中添加。
Microcapsules were prepared through two-step and one-step in situ polymerization method, with urea-formaldehyde as wall material, and tetrachloroethylene as core material.
以尿素-甲醛为壁材，四氯乙烯为芯材，通过两步原位聚合法和一步原位聚合法制备微胶囊。
Expected to, "focus on procurement, step-by-step delivery, the effect of polymerization, precision marketing," online advertising formats will become a key feature of the change.
预计，“集中采购、分步投放、效果聚合、精准营销”将成为网络广告业态转变的关键特征。
In this paper, Chlorpyrifos and Rotenone were firstly chosen as template. Monodisperse molecular imprinted polymer microspheres were prepared by a single-step swelling and polymerization method.
本文首次以毒死蜱、鱼藤酮为模板分子，采用单步溶胀聚合法制得了单分散分子印迹聚合物微球。
On the basis of the above results, we put forward the new model - "radical step-growth polymerization", which should provide a new route to the synthesis of functionalized polymers.
在上述研究基础上，我们提出“自由基逐步聚合”这一新模型，这将为功能高分子的合成提供一个新方法。
The title curing agent has been prepared by one - step catalytic polymerization process with a specific chemical additive.
采用特定的化学助剂，通过催化聚合法一步合成快干型低游离TDI聚氨酯固化剂。
The title curing agent has been prepared by one - step catalytic polymerization process with a specific chemical additive.
采用特定的化学助剂，通过催化聚合法一步合成快干型低游离TDI聚氨酯固化剂。
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