Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Improving the Photo-stability of p-aramid Fiber by TiO2 Nanosol

TiO2 sol-gel 합성에 의한 파라 아라미드 섬유의 내광성 증진 연구

  • Park, Sung-Min (Korea Dyeing & Finishing Technology Institute) ;
  • Kwon, Il-Jun (Korea Dyeing & Finishing Technology Institute) ;
  • Sim, Ji-Hyun (Korea Dyeing & Finishing Technology Institute) ;
  • Lee, Jae-Ho (Korea Dyeing & Finishing Technology Institute) ;
  • Kim, Sam-Soo (Department of Textile Engineering and Technology, Yeungnam University) ;
  • Lee, Mun-Cheul (Department Organic Materials Science and Engineering, Pusan National University) ;
  • Choi, Jong-Seok (Mi Kwang Dyetech Co., LTD.)
  • Received : 2012.11.05
  • Accepted : 2012.12.26
  • Published : 2013.06.27
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Abstract

Although para-aramid fibers poss higher mechanical properties, they show very low resistance to sunlight exposure. This paper studied on the effect of nano-sol coated $TiO_2$ to improve the photo-stability of p-aramid fibers. Titanium dioxides were prepared by sol-gel method from titanium iso-propoxide at different R ratio ($H_2O$/titanium iso-propoxide). All samples were characterized by XRD, TEM and UV-vis spectrometer. The mechanical properties of p-aramid fabrics by $TiO_2$ nano-sol coating before and after sunlight irradiation were measured with tensile tester. XRD pattern of titanium dioxide particles was observed by mixing phase together with rutile and anatase type. The results showed, after sunlight irradiation, the decreased mechanical properties of the fiber. Furthermore, the sunlight irradiation obviously deteriorated the surface and defected areas of the fiber severely by photo-induced chain scission and end group oxidation in air.

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References

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