Surface-modified wholly aromatic polyamide filaments usable as a reinforcing material for rubber or synthetic resin articles, each comprising a wholly aromatic polyamide core filament; an intermediate coating layer formed on the core filament and comprising a copolymer of (a) a water-soluble or self-emulsifying urethane-modified bisphenol A type epoxy compound with an epoxy equivalent of 200 to 800 with (b) an aliphatic polyglycidylether compound with an epoxy equivalent of 100 to 250; and a surface coating layer formed on the intermediate coating layer and comprising a lubricant, the weight ratio of the intermediate coating layer to the surface coating layer being 20 : 80 to 80 : 20.
可用作橡胶或合成
树脂制品增强材料的表面改性全芳香族聚酰胺长丝,每根长丝包括全芳香族聚酰胺芯丝;在芯丝上形成的中间涂层层,包括(a)环氧当量为 200 至 800 的
水溶性或自乳化聚
氨酯改性双
酚 A 型环氧化合物与(b)环氧当量为 100 至 250 的脂肪族聚
缩水甘油醚化合物的共聚物;在中间涂层上形成的表面涂层,包括润滑剂,中间涂层与表面涂层的重量比为 20 :80 至 80:20。