Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Controlled Degradation of Modal Fiber

모달섬유의 취화 특성

  • Yoon, Nam Sik (Dept. of Dyeing and Finishing, College of Engineering, Kyungpook National University, Taegu, Korea) ;
  • Cho, Kwang Ho (Samil Dyeing and Finishing Co., 2009-64 Bisandong, Taegu, Korea) ;
  • Yoon, Suk Chun (Dept. of Dyeing and Finishing, College of Engineering, Kyungpook National University, Taegu, Korea) ;
  • Lim, Yong Jin (Dept. of Dyeing and Finishing, College of Engineering, Kyungpook National University, Taegu, Korea)
  • Published : 1996.07.01
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Abstract

Modal fabric was pretreated with sodium hydroxide, sodium persulfate, and their combined mixture by pad-steaming procedure. The tearing strength of the pretreated modal fabric was measured for subsequent microfibrillation. The solubility of modal fiber in sodium hydroxide solution was highest at 10 % concentration of sodium hydroxide. Extended steaming of the modal fabric padded with 6% sodium hydroxide solution did not reduce the tearing strength appreciably. 2% sodium persulfate pretreatment greatly reduced the tearing strength of modal fabric within 7 minutes of steaming time. The pretreatment with combined composition of sodium hydroxide and sodium persulfate brought about stable reduction in tearing strength within 1 minute of steaming time, which would be appricable to the continuous pretreatment of modal fabric for microfibrillation. Microfibrillation behavior of the pretreated modal fabric was tested also.

Keywords

References

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