Polyurethane-sized PBO fiber

44.9% higher interlaminar shear strength

The sizing agent not only enhances surface activity but also repairs surface defects of PBO fibers, markedly improving their interfacial bonding with epoxy resin matrices.

Jiang, Lei · Xu, Renxin · Shuguang, Wu · Guoquan, Liu · Ding, Anxin · Yang, Chen

Cailiao Gongcheng/Journal of Materials Engineering 2024

Specifications

层间剪切强度

{'zh': '41.3', 'en': ''} MPa

拉伸强度

{'zh': '1.70', 'en': ''} GPa

层间剪切强度提升

{'zh': '44.9', 'en': ''} %

Advantages

O/C atomic ratio increases from 0.16 to 0.25