The Molecular Orientation Behavior and the Crystallinity of CO2 Laser-Heated Drawn Poly(ethylene terephthalate) Fiber
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Accession number;03A0429442
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| Title;The Molecular Orientation Behavior and the Crystallinity of CO2 Laser-Heated Drawn Poly(ethylene terephthalate) Fiber |
| Author;
IKAGA TOSHIFUMI
(Shinshu Univ., Textile Sci. and Technol., JPN)
OKOSHI YUTAKA
(Shinshu Univ., Textile Sci. and Technol., JPN)
GOTO YASUO
(Shinshu Univ., Textile Sci. and Technol., JPN)
NAGURA MASANOBU
(Shinshu Univ., Textile Sci. and Technol., JPN)
KAWAHARA YUTAKA
(Kyoto Inst. Technol., Graduate School, JPN)
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Journal Title;Fiber
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Journal Code:F0278A
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ISSN:0037-9875
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VOL.59;NO.6;PAGE.235-238(2003)
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| Figure&Table&Reference;FIG.1, TBL.3, REF.11 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;The molecular orientation behavior and crystallinity of laser-heated drawn poly (ethylene terephthalate) fiber was analyzed by DSC, FTIR-ATR, WAXD, density, and refractive indices measurements. Trans-conformation and crystallinity increased with draw ratio. Fixed length annealing increased crystal orientation and fold-band fraction for all fibers. By the annealing, birefringence and the orientation of crystal c-axis to fiber axis were increased for four times drawn fibers, while they were decreased for six times drawn fibers. The big decrease of gauche-conformation by the annealing was observed for the fiber drawn to six times with the minimum laser power for stable drawing. (author abst.) |
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