Surface Modification of Poly(p-phenylene benzobisoxazole) Fiber Using UV-absorbing Agents for Improving the UV Resistance. II. Process Optimization and Performance Assessment 


Vol. 52,  No. 6, pp. 416-424, Dec.  2015
10.12772/TSE.2015.52.416


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  Abstract

Improvements of the UV-aging resistance of poly(p-phenylene benzobisoxazole) (PBO) filament yarns, spun yarns, and woven fabrics have been investigated after surface treatment in a continuous process by using polyurethane resin and UV-absorbing and/or UV-stabilizing agents. The UV-aging resistance of PBO specimens was evaluated by tensile strength and reduction rate measurements after exposing the samples to an M400 UV lamp and solar light. A mixture of UV-absorbing (Chiguard® 234) and UV-stabilizing (Chiguard® 944) agents was found to be more effective compared to individual agents for improving the UV-aging resistance of PBO.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)