polymerization

IV.Anionic polymerization studies.

【题名】Telechelic diene prepolymers.

Using preemulsion and post polymerization a polymer emulsion was synthesized.

采用先乳、后合工艺成功合成一种合物乳液。

High molecular weight PLA can be prepared by ring-opening polymerization of lactides.

量的丙交酯主要由丙交酯开环合制备。

The free radical polymerization of VOZO in benzene solution results poly 2 vinyl 2 oxazoline(PVOZO).

对合成过程中的溶剂及离等问题进行了讨论。

Soapless emulsion polymerization and heterocoagulation, the most important encapsulations of microparticles have been outlined intensively.

概述了无皂乳液合和杂凝法两种胶囊方法及其在涂料和塑料加工方面的用。

Another transparent gels with open-cell structure could be obtained by bicontinuous microemulsion polymerization using potassium perman...

研究证实,在保持合过程相对稳定的前提下,微乳液合物凝胶与初始微乳液在结构上具有相似性。

It is caused by the property change of feed stock in storage process and alkadiene polymerization.

造成这一问题的主要原因，是原料油性质在存储过程中发生变、二烯烃发生合。

In comparison with in-situ polymerization, more homogeneous hybrids with monodispersion of titania were synthesized by blending method.

同原位合法相比，共混法可制备出更均匀的杂体系，且TiO2为单散。

Microspheric trans aconitic acid imprinted polymers were synthesized via a precipitation polymerization with acetonitrile as dispersion solvent.

以乙腈为散剂,采用沉淀合法合成了乌头酸印迹合物微球。

The catalytic system formed from polymer-supported neodymium complexes shows high catalytic activity and stereospecificity for butadiene polymerization.

合物载体-钕络合物催剂具有很的催活性和定向效.

We found that the poly methacrylates prepared by modified microemulsion polymerization have properties of high glass transition temperature (Tg) and rich syndiotacticity.

另外，利用改进的微乳液合制备的甲基丙烯酸酯类合物一般都有Tg与富间规度的性质。

Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.

以丙烯酸、丙烯酸丁酯和甲基丙烯酸甲酯为单体,采用自由基合法制备了丙烯酸卷材涂料前驱成膜物,获得了适宜的制备工艺条件。

Using the method of latex polymerization,poly vinyl acetate was synhesized with PVA as protective colloid,which was crosslinked with formylamine-group containing component.

采用乳液合的方法,以乙酰乙烯醇为保护胶体合成醋酸乙烯乳液,并用含甲酰胺基的乙组与其交联。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基合物进一步二成二苯基碳二亚胺，后者又合生成含氮杂环的多环芳烃。

The cationic ring-opening polymerizations of epoxide based monomers were studied using tris(2-hydrooxyethyl) isocyanurate(THEIC) as initiator and trifluoroboron plus ether complex system as catalyst.

发现THEIC与环氧单体可在非均相体系中平稳地进行阳离开环合。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟基合物的丙交酯/醇铁合体系中,羟基合物作为共引发剂参与了丙交酯的开环合。

A molecularly imprinted solid phase extractant, particularly for the recognition of diphenylguanidine (DPG) was prepared using diphenylguanidine (DPG) as the template and bulk polymerization.

摘要以二苯胍为模板，用本体合法合成了对二苯胍具有良好识别能力的印迹固相萃取剂。

High-grade filling and retanning agent CDF was prepared by condensation polymerization reaction of urea,cyanuramide and dicyandimide.The property and application of the product were discussed.

本文主要论述了用脲、双氰胺、三氰胺等原料经缩制备填充复鞣剂CDF的方法及其性能与用。

The GPC results indicated that the polymerization degree increased with the extension of reaction tine and the molecular weight distribution was tend to be monodispersity.

GPC研究结果表明随时间延长，合度增大，合物量趋于增大但散性减小。

The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.

二烯烃和烯基芳烃是非常不稳定的组，可合产生凝胶。对于给定烯烃和烷基芳烃，氢可以改善产品质量。