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⵵/ȣ 1996 / ȣ: V.8,no.3,Jun
1() ޼ ȭ Ư
2(Ÿ) Controlled Degradation of Modal Fiber
() 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 En
(Ÿ) 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 En
Ҽ() Yoon, Nam Sik (Dept. of Dyeing and Finishing, College of Engineering, Kyungpook National University,
Ҽ(Ÿ) Yoon, Nam Sik (Dept. of Dyeing and Finishing, College of Engineering, Kyungpook National University,
/ 31 ~ 35 : 5
() Korean
ʷ 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.
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