摘要
以4,4’-二羟基二苯基甲烷(双酚-F),3-溴1-丙烯(或6-溴1-己烯)为原料合成了p-BAMBP,p-MBPAB和p-MBPHB三种新型含有不同长度不饱和末端基的液晶化合物,并用POM、FTIR、1H-NMR、DSC和XRD进行了表征。结果表明它们均为近晶型液晶,且熔点随柔性末端基增长而降低,相转变温度范围变宽。此类化合物有望作为新型液晶化合物或设计新型液晶功能高分子材料使用。
Three liquid crystalline compounds ： p - BAMBP, p - MBPAB and p - MBPHB were synthesized from bisphenol - F, allyl bromide and 6 - brome - 1 - hexene by the procedure of acylchlorination and esterification.. Their structures and liquid crystalline behaviours were investigated by DSC, FTIR,^1H NMR, POM and XRD. The results showed that these compounds were all smectic phase, the melting point Tmdecreased and the mesophase temperature ranges changed with length of end group and mesogen. It is helpful to project the LC functional macromolecule materials.
出处
《化学研究与应用》
CAS
CSCD
北大核心
2009年第4期512-515,共4页
Chemical Research and Application
基金
河北省自然科学基金资助项目(B2005000108)
关键词
不饱和液晶
双酚-F
4-羟基苯甲酸乙酯
unsaturated liquid crystal
bisphenol- F
4 -hydroxy ethyl benzoate
