乙烯聚合物的

Emphasis was placed on CB-polymer interaction adjustment in order to control dispersion of carbon black aggregates in polymer matrix and obtain technical data for designing and manufacturing PTC products of practical values.

本论文在中山大学材料科学研究所有关工作的基础上，着重从聚合物基PTC材料的组成和加工工艺的角度，以炭黑填充单一低密度聚乙烯为参照体系，通过调节炭黑-聚合物基体之间的界面相互作用、控制炭黑的分散程度与分布状态，进而研究炭黑填充低密度聚乙烯/乙烯-乙酸乙烯酯共混物基PTC型复合材料，力图改善上述不足，为更好地了解这类PTC材料的结构-加工-性能之间的关系，设计和制造具有实际应用价值的PTC制品提供科学依据。

According to the regular condensation polymerization principle, a certain amount of amino terminated polyether D230 and a certain amount of divinyl three amine are mixed uniformly by water, and then a certain amount of hexanedioic acid is added in and stirred for dissolving.

本发明属于工业水处理技术领域，具体涉及一种抑制水中二氧化硅/硅酸盐垢沉积的非离子型聚合物及其制备方法，该聚合物是一种含具有醚键、仲胺键、肽键结构的非离子型共聚物，具体为己二酸/端氨基聚醚/二乙烯三胺共聚物，按照常规的缩聚反应原理，首先用水将一定量的端氨基聚醚D230和一定量的二乙烯三胺混合均匀，然后加入一定量的己二酸并搅拌使其溶解。

An amount of the aromatic vinyl polymer is preferably 5 to 150 parts by weight based on 100 parts by weight of the diene rubber.

以100重量份的二烯橡胶为基准，芳香乙烯基聚合物的含量优选为5～150重量份。

Spinodals of polystyrene/poly/poly(2,6 dimethyl 1,4 phenylene oxide) were simulated over a wide temperature range and the calculated resul...

将上述方法用于已知状态方程参数的三元均聚物共混物聚苯乙烯／聚甲基乙烯基醚／聚2，6－二甲基1，4－苯撑氧中，得到一系列不同温度下的spinodal相图，预测结果与文献报导吻合。在此基础上进一步研究了聚合物的分子量对体系相行为的影响。

Afterintroduction of basic electroluminescent theory of polymers and discussion of the studysituation of electroluminescent polymers and polyphenylene vinylene particularly, therelationship among structure, solubility and electroluminescent properties was studiedIn this paper, polyether-type PPV, polythioether-type PPV, and PPV containingoxadizole, biphenylene, or saturated aliphatic unit were synthesized, the monomers andpolymers were characterized as well.

在讨论了电致发光聚合物的基本发光原理并深入地分析了国内外有机电致发光聚合物尤其是聚苯撑乙烯的研究现状与发展趋势的基础上，论文着重研究了PPV衍生物的结构与它的可溶性以及电致发光特性的关系。

The possible mechanism was discussed. These bowl-shaped aggregates are promising candidates for nano reactor or drug carrier.4 2,7-dimethylene-1,4,6-trioxaspiro[4, 4]nonane with two vinyls was prepared to be used as electron-donor and crosslinker. The ATRP of this crosslinker and excess methylacrylate (used as electron-accpetor) was proved to mainly form homopolymers. With the chain-transfer agent S-1-Dodecyl-S\'-(α,α\'-dimethyl-α-acetic acid)trithiocarbonate, the copolymerization of the spiro hydrocarbon, maleic anhydride and MA by RAFT method produced star PMA.

这些由聚电解质复合物自组装形成的聚集体，在微反应器和药物释放等领域具有潜在的应用前景。4合成了双乙烯基的2，7-二亚甲基-1，4，6-三氧杂螺环烷，作为给电子单体和交联剂，与吸电子单体马来酸酐或过量的丙烯酸甲酯形成电荷转移络合物共同聚合，尝试了用ATRP和RAFT方法一步法合成星形聚合物。

Polyvinylidene fluoride is polymer of VDF and few TFE.

聚偏氟乙烯是由偏氟乙烯和少量四氟乙烯共聚制得的氟聚合物。

In order to improve the hole mobility, a novel conjugated polymer DOTPAV-PT with triphenylamine unit in the side chain was synthesized and characterized in details, and the photophysical and electrical properties were investigated .

为提高聚噻吩衍生物的空穴迁移率，将空穴传输基元三苯胺引入到聚合物结构中，合成一种侧基为三苯胺乙烯基的聚噻吩衍生物DOTPAV-PT，并对其进行详细的表征和光物理性质及电性能研究。

It was discussed in the paper the basic electroluminescent theory of polymers as well as the current study and the development trend of electroluminescent polymers and, especially that of polyphenylene vinylene. On this basis, the relationship among structure, solubility and electroluminescent properties was studied.

本文在讨论了电致发光聚合物的基本发光原理并深入分析了国内外有机电致发光聚合物尤其是聚苯撑乙烯的研究现状与发展趋势的基础上，着重研究了PPV衍生物的结构与它的可溶性以及电致发光特性的关系。

By plasma polymrization and dynamic ion - beam mixed implantation methods, polyhexafluoropropene film and polytetra fluoroethylene film are prepared respectively. These films are coated on the external surfaces of brass and red copper tubes.

分别采用等离子体聚合技术和离子束动态混合注入技术在黄铜管和紫铜管表面制备了超薄聚六氟丙烯及四氟乙烯聚合物表面，实现了水蒸汽在常压下的滴状冷凝。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。