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⵵/ȣ 1999 / ȣ: V.11,no.6,Dec
1() ׸ ʶƮ ؽĸ 繰 ġ
2(Ÿ) Effect of Processing Condition of Texturing M/C on the Physical Properties of Textured Polyester Filament
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ʷ PET POY(pre-oriented-yam) were treated by false twister to high bulky. False twister have many processing parameters velocity ratio(VR), belt cross angle, 1st heater temp. and K(twisting tension/untwisting tension). we analyzed the effect of properties of textured polyester yam on processing condition. Initial modulus, thermal stress, No. of snarl is decreased by 1st heater. In VR=1.97, Dry and wet shrinkage is increased but is decreased by 1st heater in VR=1.564. K/S and cristallinity tend to increase by decreasing VR.
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