含杯芳烃聚合物研究进展

阐述了以化学键结合的含杯芳烃聚合物的3种制备方法,并对其在液-液、固-液相中萃取、分离金属离子的应用研究进展进行了简要综述。含杯芳烃聚合物离子交换树脂在含有毒金属离子废液的处理上将具有很大的应用前景。

酰胺型杯[6]芳烃聚合物的合成及其对阳离子的吸附性能

通过杯 [6]芳烃六乙酸乙酯与多乙烯多胺进行氨解反应 ,合成了系列酰胺型杯 [6]芳烃聚合物 ,并研究了它们的阳离子吸附性能 .发现它们对软金属离子具有较高的吸附容量 ,其吸附能力与聚合物中杯芳烃的含量成正比 ,说明杯芳烃单元在吸附过程中有着决定性的作用 ,聚合物 3c对 Ag+有较好的选择性吸附能力 .

柱芳烃基聚合物合成、主客体性质及应用研究

柱芳烃基聚合物是一类特殊的大环聚合物,由多个柱芳烃单体通过共价键连接而成。因其独特的分子结构,柱芳烃基聚合物在环境科学、材料科学以及生物医学等多个领域迅速发展。本文介绍了不同类型柱芳烃基聚合物合成方法,在分子识别方面的最新研究进展,及其在吸附分离、传感检测、药物传递和催化等方面的应用。最后,讨论了当前柱芳烃基聚合物面临的挑战及其发展前景。

碳氢稠环芳烃的电化学聚合及其聚合物的多功能性

综述了电化学聚合制备碳氢稠环芳烃聚合物的最新研究进展。讨论了电化学聚合机理以及碳氢稠环芳烃聚合物的结构表征途径。指出电化学聚合制备的碳氢稠环芳烃聚合物具有导电性、残炭性和荧光性,其中聚薁膜的电导率最高(2.2S/cm);而在四氢呋喃中不溶解的聚萘级分在900℃时具有最高的残留物含量(质量分数为85%)。所有碳氢稠环芳烃聚合物都是良好的蓝色荧光发射体,其中聚芘表现最为突出,它在四氢呋喃溶液中的荧光量子效率高达1.0,且能与硝基芳烃类物质作用而发生高效荧光淬灭,淬灭效率高达50%,远高于芘单体和其他应用于硝基芳烃类物质探测的聚合物。碳氢稠环芳烃聚合物在导电材料、耐高温材料和荧光传感探测材料等领域显示出广泛的应用前景。

杯芳烃-壳聚糖聚合物的合成与吸附性能

A new type of resin containing calixarene carboxylate and chitosan was synthesized for the first time and adsorption behavior of them for K+,Na+,Hg2+,Ag+,Ni2+,Cd2+and Pb2+was investigated.It was found calixarene-chitosan show high adsorption capablilities and some adsorption selectivity comparing with chitosan and other calixarene polymers.

杯[6]-1,4-冠-4酰胺型聚合物的合成与吸附性能

A series of calix\ 1,4 crown based polymers with stable conformations were synthesized by reacting calix\ 1,4 crown tetraester with poly(ethyleneimine), and their adsorption capabilities were studied . Their structures and shapes were characterized by elemental analyses, IR and SEM techniques. Their adsorption selectivities were found to be higher than that of calix\arene polymer without stable conformation. All of them showed good selective adsorption capability towards Cu 2+ among the tested cations. The adsorption capacity of compound 2a towards Cu 2+ at concentration of 0 2 mmol/L were 64 5×10 -5 mol/mg.

环氧丙基杯[6]开环聚合物的合成及其吸附性能

通过全取代环氧丙基杯[6]芳烃与多乙烯多胺进行开环聚合,合成了系列新型含氨基和羟基的杯[6]芳烃聚合物.研究了它们的阳离子吸附性能后发现,与其他杯芳烃聚合物相比,该类聚合物对软硬金属离子均有强的吸附能力,其离子吸附容量随着多乙烯多胺分子量的增大而缓慢增大.

杯芳烃交联聚硅氧烷热稳定性能研究

The calixarene crosslinked polysiloxanes were obtained by crosslinked (N-(β-aminoethyl)aminopropyl) modified silicon oil with 1,3-diglycidyl(calix[4]arene.)Their structures were characterized by infrared spectra and scanning electron microscopy.The thermal degradation behaviour of the calixarene crosslinked polysiloxanes with various content of calixarene under a nitrogen atmosphere was investigated by using thermogravimetry(TG),it showed that all the crosslinked polysiloxanes exhibited two-stage decomposition,the first decomposition peak was at about 391℃ and the second was at about 520℃,the ratio of the two fastest weight loss rates was varied with the content of calixarene.Under our experimental conditions,the calixarene crosslinked polysiloxane with 3% content of calixarene had the lowest rate of degradation during the first stage of decomposition.The thermal stability of calixarene crosslinked polysiloxanes was enhanced compared with that of (N-(β-aminoethyl)aminopropyl) modified silicon oil and 1,3-bis(2′,3′-epoxypropoxy)benzene crosslinked polysiloxane.

杯芳烃合成研究进展

杯芳烃是一类超分子主体化合物,主要有杯[4]、杯[6]和杯[8]芳烃的杯芳烃衍生物、杯芳烃聚合物及杯芳烃配合物等。介绍了不同杯芳烃及其衍生物的合成工艺的研究进展。

具有不饱和长链的对-叔烷基苯酚的合成

合成了２种带有不饱和长链的对－叔烷基苯酚：对－（１′，１′－二甲基－十一碳烯－１０基）苯酚和２－（对－羟苯基）－２－（对－十一碳烯－１０氧基苯基）丙烷。其结构通过１ＨＮＭＲ、元素分析、ＩＲ进行了表征。