Polybenzoxazole(PBO) ,which has unusually high strength,good thermal stability,outstanding resistance to oxidation and moisture, is always the study focus since 1980s.

• 聚苯并恶唑(PBO)因其具有的强度大、耐高温、耐氧化、耐潮湿以及优良的热稳定性等特点,自20世纪80年代以来一直是人们关注的热点之一。