制备了聚氨酯(PU)/四硝基酞菁铁(FeTNPc)复合材料,扫描电镜观察表明,FeTNPc与PU基体间相容性良好;力学测试表明,在室内环境下,改性PU的力学性能明显优于空白PU;紫外老化测试表明,在紫外光照射下,随着FeTNPc含量的增加,样品的力学性能下降程度增大,但与纯PU相比,改性样品仍然具有较高的力学性能.改性样品在紫外光照射下力学性能下降的原因在于酞菁在光照下产生单线态氧所致,单线态氧具有极强的氧化性,降解了PU的链段.
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