两性杂双子表面活性剂形成稳定的热致液晶[EB/OL]
北京：中国科技论文在线
） 摘要： 一系列新奇的头基含季铵盐和羟基杂双子表面活性剂(CmEOSACn; m, n = 8, 16; 14, 10; 10, 14 和 12, 12)被合成
结果表明所有化合物表现出较高的热稳定性并形成双致性热致液晶
gemini表面活性剂
） Abstract： A series of novel zwitterionic gemini amphiphiles with two oppositely charged ionic headgroups and two different alkyl chains within the molecule, alkylammonium-N-3-[(alkyloxy)-2-sulfate-propyl] - N, N-dimethyl (abbreviated as CmEOSACn with m, n = 8, 16; 14, 10; 10, 14 and 12, 12), has been synthesized
The thermotropic mesomorphic properties of CmEOSACn were investigated by polarizing optical microscopy, differential scanning calorimetry, and X-ray diffraction
All compounds were enantiotropic thermotropic liquid crystals and exhibited smectic A phases over a wide temperature range
The high stability of the liquid crystal phase could be attributed to the special molecular structure of the zwitterionic heterogemini amphiphiles
Keywords： zwitterionic;gemini amphiphile;synthesis;thermotropic liquid crystal 下载PDF阅读器 PDF全文下载： 初稿 （ 237 ） 作者简介： 通信联系人： 【收录情况】 中国科技论文在线： 周天华
这高的热稳定性得益于它们特殊的分子结构
利用差示扫描量热仪(DSC)、偏光显微镜(POM)、红外(IR)以及粉末衍射考察了它们的热致液晶性质
