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  1. 080 繊維学部
  2. 0801 学術論文

Structure and Mechanical Properties of Poly(trimethylene terephthalate) Fibers Obtained by CO2 Laser Drawing and a Secondary Contact Heater Drawing

http://hdl.handle.net/10091/00019318
f7fe708a-885e-49df-b365-d145d03b041f
名前 / ファイル ライセンス アクション
Structure_Mechanical_Properties_Poly_trimethylene_terephthalate.pdf Structure_Mechanical_Properties_Poly_trimethylene_terephthalate.pdf (2.8 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2016-12-02
タイトル
言語 en
タイトル Structure and Mechanical Properties of Poly(trimethylene terephthalate) Fibers Obtained by CO2 Laser Drawing and a Secondary Contact Heater Drawing
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Kang, Young-Ah

× Kang, Young-Ah

WEKO 102749

Kang, Young-Ah

Search repository
Kim, Kyoung-Hou

× Kim, Kyoung-Hou

WEKO 102750

Kim, Kyoung-Hou

Search repository
Zhao, Xin

× Zhao, Xin

WEKO 102751

Zhao, Xin

Search repository
Lee, Yang Hun

× Lee, Yang Hun

WEKO 102752

Lee, Yang Hun

Search repository
Ikaga, Toshifumi

× Ikaga, Toshifumi

WEKO 102753

Ikaga, Toshifumi

Search repository
Ohkoshi, Yutaka

× Ohkoshi, Yutaka

WEKO 102754

Ohkoshi, Yutaka

Search repository
信州大学研究者総覧へのリンク
氏名 Ohkoshi, Yutaka
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.jUkejekV.html
出版者
出版者 SOC FIBER SCIENCE TECHNOLOGY
引用
内容記述タイプ Other
内容記述 SEN-I GAKKAISHI. 69(6):107-117 (2013)
書誌情報 SEN-I GAKKAISHI

巻 69, 号 6, p. 107-117, 発行日 2013-06
内容記述
内容記述タイプ Other
内容記述 1
抄録
内容記述タイプ Abstract
内容記述 CO2 laser drawing heats a running fiber homogeneously and rapidly without contact by laser irradiation and develops a necking in a fixed location. As-spun fibers of bio- and chemo-based poly(trimethylene terephthalate) (PTT) were drawn to draw ratio (DR) of 3.5-5.5 and 3.5-4.8 by CO2 laser-heated drawing, respectively, which was taken as the first drawing. Secondarily the first-drawn fibers were drawn to total draw ratio (TDR) as high as possible by direct contact heater drawing of 150 degrees C, which attained TDR 5.60-5.70 and 5.40-5.46 for bio- and chemo-based PTT fibers, respectively. Drawing stress in situ measured in the two-steps drawing increased roughly proportional to draw ratio, and for bio-based PTT was higher than for chemo-based one when compared at the same DR and TDR. We investigated in this study the structure and mechanical properties of the drawn PTT fibers by wide angle X-ray diffraction (WAX])), birefringence, thermo-mechanical property, and tensile property. The typical WAXD pattern of PTT crystal was observed with orientation-induced crystallization by the two-steps drawing. But, the meridional reflections become blurred and their intensities decrease with increasing draw ratio and by the second drawing. The transverse crystallite sizes, along the normal direction of (010) plane, increased transversely but the longitudinal sizes, along the normal direction of (002) plane decreased longitudinally as draw ratio increased for chemo-based PTT, whereas for bio-based PTT, the crystallite size change with draw ratio was the same trend with the chemo-based by the first drawing but the crystallite became much smaller transversely and longitudinally by the second drawing. By the azimuthal intensity profile, the crystal orientation factor obtained from (010) plane increased, while that from (002) plane decreased with the total draw ratio. The birefringence was a constant value 0.07 with no dependence on draw ratio by two steps drawing, which is over twice a reported intrinsic birefringence of PTT crystal, 0.029 [12]. Also, Young's modulus held an almost constant value of 2.3-2.6 GPa by the two stages drawing, which is very closed to 2.59 GPa, the theoretical modulus of PTT crystal.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0037-9875
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00131651
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.2115/fiber.69.107
関連名称
関連名称 10.2115/fiber.69.107
権利
権利情報 Copyright © 2013 The Society of Fiber Science and Technology, Japan
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
WoS
表示名 Web of Science
URL http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000323466000011
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