查询词典 polymerization

The result of study was showed that the reaction of curing included BMI auto polymerization, BCE since auto polymerization, BCE copolymerizing with BMI, BCE with EP copolymerize reacting etc. The mechanical performance of the modified resin systems all increased in various degrees, however, electric performance and heat-resistance performance all dropped to some extent.

研究结果表明，体系的固化反应包含BMI自聚合反应、BCE自聚合反应、BCE与BMI共聚反应、BCE与EP共聚反应等，改性后树脂体系的力学性能都有不同程度的增加，而电学性能和热性能则都有所下降。

The curing process of the resin system was analyzed by FTIR. The result of study was showed that BMI auto polymerization, BCE since auto polymerization, BCE copolymerizing with BMI, BCE with EP copolymerize reacting etc. existing in the curing process.

用FTIR对树脂的固化进行跟踪分析，研究结果表明，体系的固化反应中包含BMI自聚合反应、BCE自聚合反应、BCE与BMI共聚反应、BCE与EP共聚反应等。

The controlled/living radical polymerization of methacrylates containing carbazolyl or 1,3,4-oxadiazolyl groups via RAFT polymerization was successfully demonstrated. Functional polymers poly, poly, poly, and poly with hole- or electron-transfer ability were synthesized with cumyl dithiobenzoate as a chain transfer agent and AIBN as an initiator in a benzene solution.

以合成的二硫代苯甲酸酯异丙苯酯为链转移剂、偶氮二异丁腈为引发剂，通过RAFT可控／活性自由基聚合方法成功地合成了侧链上悬垂空穴传输基团或电子传输基团(1，3，4-噁二唑基团)的光电功能聚合物：poly、poly和poly、poly。

Firstly, partial sulfonated polystyrene were prepared by solution polymerization with the raw materials of styrene, sodium styrene sulfonate and divinyl benzene; Secondly, the SPS/OMMT nanocomposites were prepared by intercalation polymerization with the monmers and organically modified montmorillonite.

首先，利用NMP为溶剂，BPO引发苯乙烯、苯乙烯磺酸钠、二乙烯基苯溶液共聚；同时，采用高分子的单体与有机蒙脱土插层聚合制备了磺化聚苯乙烯阳离子树脂／蒙脱土复合材料。

Through changing various conditions, the conversion of polymerization was determined gravimetrically by sampling with an injector at different time in the course of polymerization system and it was found that conversion was increased linearly firstly and non-linearly finally along with reaction time.

通过改变单一聚合条件，在不同反应时间，利用注射器进行取样，称重法测定聚合物转化率，考察聚合条件的影响，说明此合成体系受单体/引发剂、催化体系、聚合温度、反应时间等因素的影响(如聚合温度90℃，反应时间12h时，产率可达90%以上)。

Under the experimental conditions of polymerization temperature at 25℃, n/n of 1:1, c of 0.03mol/L, the nanocomposite of polyaniline/monmorillonite was prepared by intercalative polymerization.

在聚合温度为25℃，蒙脱土质量含量为苯胺的0.5%，过硫酸铵和苯胺的摩尔比为l：1，掺杂剂磺基水杨酸摩尔浓度为0.03mol/L的实验条件下，运用插层聚合的方法制备出PAn-MMT复合纳米材料。

The stability of isophorone disocyanate and the affecting factors of in-situ miniemulsion polymerization have been studied to carry out the simutaneous or two-step procesure of polyaddition and radical polymerization.

本文主要研究了水敏性单体IPDI的稳定性和原位细乳液聚合规律，探索在细乳液中分步或同步实现缩聚反应与自由基聚合的新方法，提出了水敏性单体的细乳液聚合实施方法。

Compared with the conventional emulsion polymerization system,the latices that are of monodispersed latex particles of 0.5m m in diameter,low viscosity and high storage stability are prepared by emulsifier-free emulsion polymerization.

实验结果表明，与常规乳液聚合体系相比，所获得的无皂乳液的乳胶粒大小均一，粒径在0.5m m左右，粘度低，储存稳定；共聚物呈完全无规立构，玻璃化转变温度均在25℃附近，拉伸强度明显增大，耐水性和剥离强度显著提高。

Compared with the conventionalemulsion polymerization system in the presence of sodium dodecyl benzene sulfonate, the latices prepared by emulsifier-free emulsion polymerization have much more narrow distribution of latex particle sizes (0.2um in diameter), better resistance to electrolytes, pH, freeze-thaw, and better mechanical stability. Not only the tensile strength of the copolymers prepared by this method is obviously increased, but also the water resistance and adhesion capacity are significantly enhanced. On the other hand, the TG results indicate the copolymer has lower thermal stability than conventional copolymer.

实验结果表明，与传统乳液聚合体系相比，所获得的无皂乳液的乳胶粒子大小均一，粒径在0.20um左右；乳液具有优异的稳定性，不受酸碱度、电解质和低温冷冻的影响；附着力和粘接强度明显提高；成膜后显示较高的耐水性；但TG表明乳胶膜热稳定性有所下降。

Of malaxation + electronical heat-polymerization is larger than group of traditional mixing +hot water polymerization.

5，常规混合与捏炼混合、水浴加热与电烤箱加热处理对义齿基托树脂的色稳定性和着色性的影响差别不大。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。