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

概述了无皂乳液聚合杂凝聚法两种胶囊化方法及其在塑加工方面的应用。

Using preemulsion and post polymerization a polymer emulsion was synthesized.

采用先乳化、后聚合工艺成功合成一种聚合物乳液。

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

高分子量的聚丙交酯主要由丙交酯开环聚合制备。

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

合成过程中的溶及分离等问题进行了讨论。

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.

二烯烃烯基芳烃是非常不稳定的组分，可聚合产生凝胶。于给定烯烃烷基芳烃，氢化可以改善产品质量。

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研究结果表明随反应时间延长，聚合度增大，聚合物分子量趋于增大但分散性减小。

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分子，用体聚合法合成了二苯胍具有良好识别能力的分子印迹固相萃取。

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.

主要论述了用脲、双氰胺、三聚氰胺等原经缩聚反应制备填充复鞣CDF的方法及其性能与应用。

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化合物的丙交酯/醇铁聚合体系中,羟基化合物作为共引发参与了丙交酯的开环聚合。

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子开环聚合反应。

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

异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂环的多环芳烃。

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

另外，利用改进的微乳液聚合制备的聚甲基丙烯酸酯类聚合物一般都有高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、丙烯酸丁酯甲基丙烯酸甲酯为单体,采用自由基聚合法制备了聚丙烯酸卷材前驱成膜物,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.

采用乳液聚合的方法,以乙酰化聚乙烯醇为保护胶体合成聚醋酸乙烯乳液,并用含甲酰胺基的乙组分与其交联。

IV.Anionic polymerization studies.

【题名】Telechelic diene prepolymers.

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

以乙腈为分散,采用沉淀聚合法合成了反乌头酸分子印迹聚合物微球。

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

聚合物载体-钕络合物催化具有很高的催化活性定向效应.

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

同原位聚合法相比，共混法可制备出更均匀的杂化体系，且TiO2为单分散。

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，是原油性质在存储过程中发生变化、二烯烃发生聚合。

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

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