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Alkaline Hydrolysis Behavior of Poly(trimethylene terephthalate) Fibers Annealed by Passing on the Plate Heater

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2003, 15(3), pp.6-13
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

Seong Hag Hong 1 ChoiChangNam 2 Hee Choi 2 Lee Suk Young 1 Song, Min Kyu 1 Ryong Kim 1

1한국섬유개발연구원
2전남대학교

Accredited

ABSTRACT

terephthalate)] fibers was annealed by passing on the plate heater to illuminate the effects of annealing on the alkaline hydrolysis behavior properties with varying the treatment temperature for 0.5 second. The L010 and crystallinity were increased with increases in temperature. With the increases of the temperature, the dynamic viscoelastic behaviors were analyzed to be reduction in Tmax(tanδ). The weight loss in alkaline solution was two times more rapid for the PTT annealed at 200℃ than the control samples. The kinetics of hydrolysis was confirmed that the hydrolysis of the PTT fibers in the alkaline solution was started from the surface of the fibers and selective to the amorphous region in continuation, on the basis of the results of the increase in crystallinity and the decrease in dye uptake at the initial stage of the hydrolysis.

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