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Poly(p-phenylene benzobisoxazole) 고성능 섬유의 자외선 저항성 향상을 위한 표면처리 기술 연구Surface Modification of Poly(p-phenylene benzobisoxazole) Fibers by UV-Absorbers for Enhancement of UV Resistance
- Other Titles
- Surface Modification of Poly(p-phenylene benzobisoxazole) Fibers by UV-Absorbers for Enhancement of UV Resistance
- Issue Date
- 2013
- Publisher
- 한국섬유공학회
- Keywords
- poly(p-phenylene benzobisoxazole) (PBO) fiber; UV absorber; UV light irradiation; tensile strength; surface modification
- Citation
- 한국섬유공학회지, v.50, no.3, pp.208 - 215
- Journal Title
- 한국섬유공학회지
- Volume
- 50
- Number
- 3
- Start Page
- 208
- End Page
- 215
- ISSN
- 1225-1089
- Abstract
- A UV testing chamber was designed and prepared for testing the UV-resistance of poly(p-phenylene benzobisoxazole)(PBO) fibers. The optimum conditions for the test were established by measuring UV irradiation at achamber position using various kinds of UV sources and different irradiation times. Expectedly, PBO fibers (Zylon®)showed significant degradation under UV irradiation by exhibiting a decrease in the tensile strength and elongation ofup to 37% and 18%, respectively. Selected UV-absorbing and -stabilizing agents were successfully coated onto the fibersusing water-borne polyurethane. It was found that triazine-type UV absorbing agents were more effective than benzophenone-or benzotriazole-type agents in reducing the degradation of PBO fibers under UV irradiation.
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