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⵵/ȣ 1994 / ȣ: V.6,no.4,Dec
1() ȥտ߿ Poly(ethylene terephthalate) (II) ŵ
2(Ÿ) Swelling Properties of Poly(ethylene terephthalate) Fiber in Mixed Solvent(II) Equilibrium Swelling and Shrinkage
() Lee, Mun Cheul (Dept. of Clothing and Textiles, Kyungsung University, Pusan, 608-736, Korea) Pak, Pyong Ki (Dept. of Textile Enginneerig, Chunbuk National University, Chonju, 506-756, Korea) Cho, Hyun Hok (Dept. of Textile Engineering, Pusan National Univ
(Ÿ) Lee, Mun Cheul (Dept. of Clothing and Textiles, Kyungsung University, Pusan, 608-736, Korea) Pak, Pyong Ki (Dept. of Textile Enginneerig, Chunbuk National University, Chonju, 506-756, Korea) Cho, Hyun Hok (Dept. of Textile Engineering, Pusan National Univ
Ҽ() Lee, Mun Cheul (Dept. of Clothing and Textiles, Kyungsung University, Pusan, 608-736, Korea) Pak, Py
Ҽ(Ÿ) Lee, Mun Cheul (Dept. of Clothing and Textiles, Kyungsung University, Pusan, 608-736, Korea) Pak, Py
/ 17 ~ 26 : 10
() Korean
ʷ Poly(ethylene terephthalate)(PET) filaments were treated in binary mixtures of organic solvents such as benzyl alcohol/perchloroethylene(BA/PER), benzyl alcohol/trichloroethylene(BA/TRI), benzyl alcohol/ethylene chloride(BA/EC), methanol/perchloroethylene (ME/PER), and methanol/trichloroethylene(ME/TRI). From the equilibrium swelling of PET, total and partial isotherms of PET for sorption of solvent mixtures and isotherms for distribution of the components between the phases were taken. Also the shrinkage and the crystallinity of PET treated with binary mixtures were investigated. The results obtained were summerized as follows: 1. All isotherms for distribution of the components between the phase deviated from the diagonal in system of PET-binary mixtures. Especially in the binary mixtures of ME/PER or ME/TRI, selectivo sorption of chlorinated hydrocarbon PER and TRI by PET occured. 2. The shrinkage of PET treated in binary mixrures was increased to compare with single solvent-treated, but the composition of binary mixtures corresponding to maximum values of shrinkage was not always agreed with the composition of binary mixtures corresponding to maximum values of shrinkage was not always agreed with the composition of binary mixtures exhibiting of the maximum swelling of PET. 3. The crystallinity of PET treated in binary mixtures generally increased than that of single solvent-treated.
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