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Results showed that the hybrid monomer could photopolymerize effectively and both free radical and cationic polymerization processes were improved. When 2-Hydroxy-2-methyl-1-phenyl-1-propanone (1173) was introduced into hybrid system containing UVI-6976, the final conversion of propenyl ether double bond and polymerization rate increased obviously. The comparison of photopolymerization kinetics between hybrid and blend system was investigated as well.

结果表明,以硫鎓盐为光引发剂时,这三种杂化单体均可以有效进行杂化光聚合反应,丙烯基醚和丙烯酸酯双键都显示出较快的反应速度和较高的最终转化率,同时在简单结构的硫鎓盐(UVI-6976)引发体系中加入自由基引发剂2-羟基-2-甲基-1-苯基-1-丙酮(1173)后,丙烯基醚双键的阳离子聚合速率和最终转化率都有了很大提高。

In Chapter 2, construction, structures and properties of sixteen one-, two-, and three-dimensional coordination polymers self-assembled by 4,4'-bipyridine (4,4'-bpy) and pyrazine with metal salts have been described.

第二章描述了16种含4,4'-联吡啶和吡嗪桥连配体的聚合金属配合物超分子的构筑、结构及性质。通过改变酸度、溶剂体系及各种反离子等条件,分别得到不同层次和维数的、具有各种孔穴或通道结构的聚合配合物。

From the construction of network society, it makes the content provider as the main body, and builds from top to the bottom, the users are considered as a group conception. But Web 2.0 makes the user as the main body, the blog every user represents as the cell, let them combine spontaneously or under guide, continuously radiates to form a organic network that is retractile.

从网络社会的构建来看,Web 1.0是以内容提供者为主体,以一种自上而下的方式构建,用户只是作为一个群体概念而存在;而Web 2.0则是以用户为主体,以每个用户所体现的博客作为细胞,由他们自发聚合或者引导性聚合在一起,并不断辐射形成一张可伸缩的有机网络。

By the experimental study we can get the ways of this polymerization craft which is that we can construct water-solution foam polymeric system with the help of the foaming agent, using AM and DMDAAC as monomers, and that we choice the oxide-reductive agent and ultraviolet light as compound initiation system, and that we proceed vacuate pretreating for Pharmaceuticals, and superinduce additive to prevent cross link in drying process which also can improve product water-solubility.

实验研究得出这种聚合工艺的具体方法为:以丙烯酰胺、二甲基二烯丙基氯化铵为单体,在起泡剂的帮助下,构建出水溶液泡沫聚合体系,引发体系则选用氧化—还原剂和紫外灯组成的复合引发体系引发反应,药品进行抽真空预处理,同时添加一定量的助剂防止产品在干燥过程中发生交联,改善产品水溶性。

The selection of fire retardant agent, performance analyzing of fire retardant and anti-static polyester chips, influence of polymerization temperature on polyester's tinct and viscosity, influence of adding time on polymerization process as well as chips drying and spinning process were further studied.

对阻燃剂的选择、阻燃-抗静电聚酯切片性能、聚合温度对聚酯色泽和黏度的影响、添加时机对聚合过程的影响及切片干燥和纺丝工艺进行了较深入的探讨。

To compensate the descent of pH for the heat-up, exalting the Tris-HCl buffer's pH can avoid the abscission of the purine and make the long sequence PCR go on smoothly. The GC-rich template's secondary structure is complex and stable. The organic reagent methylamine contributes to uncoil the secondary structure.The pfu DNA polymerase has more fidelity and thermostability than Taq DNA polymerase.

高GC含量使模板二级结构复杂而稳定,一般热启动难于解开,而变性温度过高、时间过长又不利于DNA聚合酶的活性作用发挥,于是借助能缓释模板二级结构的有机试剂甲胺扩增高GC含量模板。pfu DNA聚合酶比Taq酶有更高的保真复制性能和热稳定性,更有利于高GC含量模板的扩增。

For the investigation of LC cells, this research focus on the surface analyses by suing SEM, both of the morphologies caused by various photo-polymerization conditions (various intensities of UV light and the presence of electric fields) and the effects of morphology on the electro-optical properties will be surveyed. The beadlike morphology was obtained from photo-crosslinkable monomer B-ThBiPhC6Ac 2,5-Bis-[4-(6-acryloyloxy-hexyloxy –phenyl ]-thiophene.

照光聚合单体 B-ThBiPhC6Ac 2,5-Bis-[4-(6-acryloyloxy -hexyloxy-phenyl]-thiophene 在照光聚合后其高分子形成颗粒状的形态,而化学结构与前者相似的单体B-TrPhC6Ac 4,4''-Bis-(6-acryloyloxy-hexyloxy-m-terphenyl,仅后者的中心化学结构改为苯环,由其 SEM 图可以看出其高分子的形态改变为颗粒状和纤维状。

Butadiene was polymerized to some extent in the presence of binary catalyst system NdCl33iPrOHAlEt3 in toluene and the allylchloride was then added to the solution in order to cyclize the formed polybutadiene and cyclopolymerize the unreacted butadiene monomers.

采用NdCl3·3i-PrOH-AlEt3稀土催化剂进行丁二烯的顺式聚合,在聚合过程中引入烯丙基氯,进行分子内环化反应以及单体的环聚反应。考察了稀土催化剂用量、n/n(AlEt3)、环化时间、反应温度、单体浓度等对环化反应的影响,并对产物进行了红外光谱、核磁共振光谱的表

Part II:The electrocatalytic oxidation of guanine, adenine, guanosine-5'-monophosphate and ssDNA was performed in the presence of iron bis(2,2':6',2"-terpyridine) and Fe tris(1,10-phenanthroline) complexes as a homogeneous catalysts with Fe redox couple. The electrocatalytic and electroanalytic properties of guanine with an iron bis(2,2':6',2"-terpyridine) complex was measured by the amperometry method using the rotating disk electrodes. Electropolymerization of iron tris(5-amino-1,10-phenanthroline) complex produced thin polymer films on a gold, platinum, nickel, and glassy carbon electrode.

第二部分利用iron bis(2,2':6',2&-terpyridine)和Fetris(1,10-phenanthroline)之金属错合物当作均相的催化剂对於鸟嘌呤、腺嘌呤、5'-鸟嘌呤核苷单磷酸盐(guanosine-5'-monophosphate)和单股DNA进行电催化氧化的研究。iron bis(2,2':6',2&-terpyridine)之金属错合物对於鸟嘌呤的电催化和电分析性质可利用计时安培法并使用旋转环-碟电极进行测量。rontris(5-amino-1,10-phenanthroline)之金属错合物可经由电聚合过程所形成的聚合薄膜固定在黄金、白金、镍和玻璃碳电极上。

The simulation result,which is obtained by applying the method to control the temperature of latices polyreactor,shows static error is effectively reduced and the robustness of the new approach in controlling temperature shock in the process of p...

将该控制器用于胶乳聚合反应釜的温度控制,仿真结果表明该控制器可以有效地消除静态误差,并对聚合反应生产过程中的温度骤变有很好的鲁棒性,实际应用效果也表明了该方法的优越性。

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