It is found that the surface hydrophilicity of PBO fiber is improved and IFSS of PBO fiber/epoxy increases to 42% when the fiber was modified by the low temperature plasma.

• 通过研究发现，经低温氩气等离子处理后，PBO纤维表面亲水性增强，PBO纤维／环氧树脂的IFSS较未处理样品提高了42%25。