CO2 레이저 연신 조건이 PET 섬유의 기계적 특성에 미치는 영향Effect of Laser Drawing Conditions on the Mechanical Properties of Poly(ethylene terephthalate) Fibers
- Other Titles
- Effect of Laser Drawing Conditions on the Mechanical Properties of Poly(ethylene terephthalate) Fibers
- Authors
- 김성훈; 권요한
- Issue Date
- Dec-2006
- Publisher
- 한국섬유공학회
- Keywords
- poly(ethylene terephthalate); fiber; laser drawing; mechanical properties; poly(ethylene terephthalate); fiber; laser drawing; mechanical properties
- Citation
- 한국섬유공학회지, v.43, no.6, pp.305 - 311
- Indexed
- KCI
- Journal Title
- 한국섬유공학회지
- Volume
- 43
- Number
- 6
- Start Page
- 305
- End Page
- 311
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172403
- ISSN
- 1225-1089
- Abstract
- The mechanical properties of poly(ethylene terephthalate) (PET) fibers obtained by CO2 laser-heated and high speed drawing process were investigated in terms of their dependence on the laser power and the temperature. The PET fibers were drawn with laser radiation heating under constant draw ratio (1.7) at constant feed roller speed of 100m/min by the change in the CO2 laser power from 0 to 35 W and different temperature (room temperature, 120oC and 140oC). The CO2-laser-heated-drawn PET fibers were characterized with X-ray diffraction (WAXD), differential scanning calorimetry (DSC), birefringence and tensile testing. The mechanical properties of the PET fibers increased with increasing laser power at high temperature, which was attributed to the improvement of molecular orientation, the development of ordered crystalline structure and the increase in the crystallinity.
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