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초음파 처리가 Polyester 직물의 알칼리 감량가공시 물성 및 Handle에 미치는 영향
류덕환,한교창 啓明大學校 生活科學硏究所 1998 科學論集 Vol.24 No.-
The alkali process was first handled with changing both the process time(20, 30, 40, 60min) and the handling temperature(50, 60, 70, 80, 90, 100℃), washed with distilled water, rising with 80℃ and 40℃ warm water in a serial order. Then the sample of the alkali processed one is put in nature dryness for more than 12 hours. Finally, it was fully dried for more than three hours in the 60℃ hot wind dryer. The appliances used in the ultrasonic weight-loss tester were JIU-600, BLT, 100volt(5A), 600W and 28KHz. I came to the following conclusion by measuring the ability of dying in the ultrasonic processed PET fabric, and its catabolistic distinctive features such as weight-loss rate, intensity, frictional pressure, air permeability, surface observation and mechanical property. 1. When I take advantage of the ultrasonic wave to get the same weight-loss rate, the processing time can be shortened by 5-6min and its temperature can be lowered by 4-5℃ 2. The air permeability rised as the weight-loss rate increases while the bending rigidity and hysteresis decrease. But those combined with the ultrasomec wave were revealed a little higher in the same weight-loss rate. Also, the tensile strength decreased in proportion to the weight-loss rate. The correlation is TS=-0.629WL+40.147. 3. The frictional pressure increased as the weight-loss rate increased and was found as the highest(15%). In the process, what is used in combination with the ultrasonic wave is about 9,000V, while what was opposite was about 8,500V. Such a change did not occur significantly in the case of more than 15%. 4. K/S is found as about 5.5 in the 20% weight-loss rate. But when it exceeded the point, it remained unchanged. Because the inner and outer alien materials of are thoroughly removed, the outlook of on the fabric surface was distinctly seen when it was used in combination with the ultrasonic wave. 5. THV(Total Hand Value) of fabric combined with the ultrasonic wave was found as about 4.0% higher than the one used in alkali processing itself Especially Shari Hand Value have greatly advanced.
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