A series of new six-member sulfonated polyimides(SPI-X) containing benzoxazole moieties were prepared by one-step high temperature polymerization method.

• 通过一步高温聚合法制备了一系列含有恶唑环的磺化聚酰亚胺(SPI-X),通过改变磺化二胺与非磺化二胺的比例来控制SPI的磺化程度。