poly-p-phenylene相关论文
The morphology of PPTA pulp is investigated by means of optical microscope and scanningelectron microscope (SEM). It sho......
从溴苯合成出聚对苯撑，从对苯二酚合成了几种聚对苯撑的衍生物；聚（２，５－二甲氧基）对苯撑，聚（２，５－二乙氧基）对苯撑和聚（２，５－二丁氧基）对苯撑，用ＩＲ表征了中间体......
