• Textile Coloration and Finishing
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• v.17 no.5 s.84
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• pp.37-44
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• 2005

The electrolytic water(EW) has been used in agriculture, medical, semiconductor, and household fields. However there has been no use of EW in the textile process so far, because the application in the textile industry has been needed a large amount of EW in real process conditions. Recently, we have got electrolytic oxidation water(EOW) and electrolytic reduction water(ERW) by development of a electricity electron technology. And, the productivity of EW manufacture apparatus is arrived to large capacity. As a result, the application of EW could be possible in the textile industry. In this study, to confirm the possibility of application of EW, we scoured and hydrolyzed PET fabric using the EW. It was possible that the application of ERW for the scouring and hydrolysis of PET fabrics in the textile process.

• Textile Coloration and Finishing
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• v.16 no.4
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• pp.36-44
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• 2004

This research surveys the differences of fabric mechanical properties according to the different looms and the fabric positions with relation to warp and weft weaving tensions on the Picanol and Omega looms respectively. For this purpose, the grey fabrics woven in the previous paper are processed in dyeing and finishing processes, and the processing shrinkages are measured on each processes such as dryer, scouring, pre-set, dyeing and final-set using the fabric density and width. The mechanical properties of the finished fabrics are measured and discussed with relation to the warp and weft weaving tensions of the two looms and the variations of the fabric mechanical properties according to the fabric positions are also discussed. In addition, the fabric thickness according to the fabric positions such as right, left selvedges and center of the fabrics is also measured and discussed with the characteristics of the Picanol and Omega looms.

• Applied Chemistry for Engineering
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• v.4 no.4
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• pp.760-769
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• 1993

Solvent-free low foaming scouring agents(LFSA) were prepared by blending of polyoxyethylene(30) octadecylbenzylammonium chloride(POAC), block copolymer of propylene oxide-ethylene oxide[p(PO-b-EO) glycol], Sedlan FF-200(FF-200) and sulfonic acid-amine condensate of polyoxyethylene(10) nonylphenyl ether(PSAC). In consequence of several tests, FF-200/POAC/p(PO-b-EO) glycol/PSAC/water (20g/10g/5g/5g/60g) mixture (LFSA-5) showed good cleaning power, penetrating ability, emulsifiability and stability to alkali, and gave less problem in water pollution. Scouring effect of LFSA-5 was investigated by the change of percentage of exhaustion before and after scouring at various dyeing temperatures. The percentage of exhaustion of the unscoured PET fabric was 4.5% at $70^{\circ}C$, while that scoured with LFSA-5 was 1.3% at the same temperature, which proved LFSA-5 to be a good scouring agent. Moreover, the foaming power of LFSA-5 measured by Ross and Miles method was 6mm foam height immediately after foaming, and that measured by Ross and Clark method was less than 300mm foam height at $30^{\circ}C$, and 20mm at $80^{\circ}C$. As a result, LFSA-5 proved a good low foaming scouring agent.

• Proceedings of the Korean Society of Dyers and Finishers Conference
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• 2011.03a
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• pp.70-70
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• 2011

최근 산업 발달에 의한 환경문제와 석유자원 감소에 따라 섬유시장에는 Eco-friendly 바람이 강하게 불고 있으며 리싸이클 제품이 급부상하고 있다. 폴리에스터계 고분자 제품, 그 중에서도 PET 병의 재자원화를 살펴보면 기계적, 열적으로 처리하여 물질을 바꾸지 않고서 회수하는 방법인 Mechanical Recycling과 원료를 분해하여 회수하는 방법인 Chemical Recycling이 있다. 이러한 리싸이클을 통하여 에너지 절감, 저탄소, 유해물질 감소, 환경정화 및 폐기물 감소로 환경부하가 완화되며, 자원의 효율적 재사용이 가능하다. 리싸이클 PET 섬유제품은 의류 인테리어용과 같은 한정된 용도뿐만 아니라 자동차용 부품소재 및 내장 부품 등 산업용으로도 사용가능하다. 본 연구에서는 리싸이클 PET로 제직한 직물에 정련과 호발가공을 하여 이러한 전처리에 따른 물리적 열적 특성의 변화를 비교 분석하였다. 그 결과 정련과 호발가공을 한 리싸이클 PET 직물의 인장 인열 강도가 미처리 직물과 비교하여 감소하는 결과를 보였으며 마모 파열강도는 큰 차이를 보이지 않았다. 반면에 TGA와 DSC를 이용한 열분석 결과 열적 특성 및 결정화도는 일부 차이를 나타내었다.

• Textile Coloration and Finishing
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• v.16 no.5
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• pp.54-61
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• 2004

This research surveys the differences of fabric mechanical properties with the different looms and the fabric positions according to the warp and weft yarn tensions on the Vamatex and Omega-Panter looms respectively. For this purpose, the grey fabrics woven by PET filament using two test looms are dyed and finished. The processing shrinkages are measured on each processes such as dryer, scouring, pre-set, dyeing and final-set using the fabric density and width. The mechanical properties of the finished fabrics are measured and discussed with relation to the warp and weft yarn tensions of the two looms and the fabric positions. In addition, the fabric thickness according to the fabric positions such as right, left selvedges and center of the fabrics is also measured and discussed with the characteristics of the Vamatex and Omega-Panter looms.

• Textile Coloration and Finishing
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• v.10 no.3
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• pp.10-19
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• 1998

This paper investigates the change of mechanical properties and thermal shrinkage in commercial multi-filament PET(polyethylene terephthalate) , namely, regular yarn, POY, DTY and composite yarn. To determine changing the effects of processing steps, these were examined at three steps process simulation conditions. The first step is sizing simulation$(S-1\;step\;:\;130^\circ{C}\times2\;min$., hot air treatment under 0.1 gf/d load), the second step is scouring simulation$(S-2\;step\;:\;100^\circ{C}\times20\;min$., boiling water treatment under free tension)and final step is setting simulation$(S-3\;step\;:\;180^\circ{C}\times2\;min$., hot air treatment under free tension). Regular yarn in multi-step treatment showed higher shrinkage at S-3 step and DTY showed higher in at S-1 step. While POY was relaxed at S-1 step, composite yarn showed different shrinkage properties depending on composite yarn type. Mechanical properties showed good relationship with shrinkage : high shrinkage makes initial modulus decrease and bleating strain increase. It also makes decreasing yield strain and yield stress decrease.