Polycondensa相关论文
A novel aromatic diamine,2-(5-(3,5-diaminophenyl)-l,3,4-oxadiazole-2-yl)pyridine(POBD),containing a pyridine ring and a ......
从单体4,4′-对苯二甲酸酯基二苯甲酰氯制备开始,合成了三种可在N-甲基吡咯烷酮(NMP)中溶解且特性粘数较高的溶致液晶芳香聚酯酰胺......