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- W2661983682 abstract "폴리아릴레이트(polyarylate, PAR) 섬유의 산 처리와 자외선 조사 처리에 의한 섬유표면의 미세구조 변화를 SEM과 AFM을 통하여 살펴보고 RMS roughness로 분석하였으며, 접촉각 측정을 하였다. 또한, PAR 섬유의 표면개질이 폴리에틸렌 나프탈레이트(polyethylene naphthalate, PEN) 수지와의 계면접착력에 어떠한 영향을 미치는지를 섬유 풀-아웃 시험(Fiber Pull-out)을 통해 분석하였다. 산처리 농도와 자외선 조사 처리 시간이 증가함에 따라 PAR 섬유의 표면에 에칭이나 크랙이 발생하면서 표면의 거칠기가 증가하는 양상을 보였으며, 물에 대한 접촉각은 감소하는 결과를 보였다. PEN 수지와의 계면접착력을 분석한 결과, 산 처리 농도의 증가와 자외선 조사처리 시간이 경과에 따라 증가하였고 특히, 산 처리 농도 pH 3, 자외선 조사 처리시간이 24 h일 때 최대 계면접착력을 보였다. 이는 섬유표면조도의 증가에 따른 섬유 표면적의 증가로, 계면에서 상호작용할 수 있는 면적이 증가하기 때문이라고 볼 수 있다. Morphological changes of polyarylate (PAR) fiber treated with formic acid and ultraviolet (UV) were observed by using a scanning electron microscope (SEM) and an atomic force microscope (AFM). The results were analysed by using root mean square (RMS) roughness. In addition, the chemical changes of surface was investigated using contact angle and the interfacial adhesive strength between PAR fiber and PEN (Polyethylene naphthalate) matrix was calculated using the Pull-out test results. As the acid treatment concentration and UV irradiation time increased, cracks and pores were produced on the PAR fiber surface. Due to the roughness increased, the contact angle was decreased. For this reason, RMS roughness of PAR fiber was increased and the interfacial adhesive strength between the PAR fiber and PEN matrix was improved. The increase of interfacial adhesive strength was responsible for the increase of surface area which have cracks and pores." @default.
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- W2661983682 date "2012-03-31" @default.
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- W2661983682 title "Interfacial Adhesion Properties of Surface Treated Polyarylate Fiber with Polyethylene Naphthalate" @default.
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- W2661983682 doi "https://doi.org/10.17702/jai.2012.13.1.024" @default.
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