JPWO2022054413A5 - - Google Patents
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- JPWO2022054413A5 JPWO2022054413A5 JP2022530339A JP2022530339A JPWO2022054413A5 JP WO2022054413 A5 JPWO2022054413 A5 JP WO2022054413A5 JP 2022530339 A JP2022530339 A JP 2022530339A JP 2022530339 A JP2022530339 A JP 2022530339A JP WO2022054413 A5 JPWO2022054413 A5 JP WO2022054413A5
- Authority
- JP
- Japan
- Prior art keywords
- spun yarn
- layer structure
- structure spun
- fiber
- fibers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000835 fiber Substances 0.000 claims 16
- -1 poly(ethylene terephthalate) Polymers 0.000 claims 8
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- 239000004744 fabric Substances 0.000 claims 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims 2
- 229920002215 polytrimethylene terephthalate Polymers 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (7)
芯部及び鞘部がともに短繊維で形成されており、芯部にポリ（エチレンテレフタレート）及びポリ（トリメチレンテレフタレート）からなる二成分複合短繊維を含み、二層構造紡績糸中に前記二成分複合短繊維を２０～７０質量％含み、
前記二成分複合短繊維が、ポリ（エチレンテレフタレート）とポリ（トリメチレンテレフタレート）がサイドバイサイド型に貼り合わされた複合短繊維であり、
前記二成分複合短繊維の長手方向に対して垂直方向の断面形状が溝部を２個有する雪だるま型であり、前記断面形状における断面長軸長Ａと断面短軸長Ｂのアスペクト比（Ａ：Ｂ）が１．８：１～１．２：１であり、且つ
以下の（１）～（３）の特性値を全て満足する、二層構造紡績糸。
（１）単糸引張強さが１．０ｃＮ／ｄｔｅｘ以上
（２）撚り係数Ｋが１２０～１８０
（３）熱水寸法変化率が４．０％以上 A two-layered spun yarn having a core portion and a sheath portion in a cross section perpendicular to the longitudinal direction of the yarn,
Both the core and the sheath are formed of staple fibers, the core contains bicomponent conjugate staple fibers made of poly(ethylene terephthalate) and poly(trimethylene terephthalate), and the two-component bicomponent in the two-layer structure spun yarn Containing 20 to 70% by mass of composite short fibers,
The bicomponent conjugate staple fiber is a conjugate staple fiber in which poly(ethylene terephthalate) and poly(trimethylene terephthalate) are laminated side-by-side,
The cross-sectional shape perpendicular to the longitudinal direction of the bicomponent conjugate staple fiber is a snowman shape having two grooves, and the aspect ratio (A:B ) is 1.8:1 to 1.2:1 and satisfies all of the following characteristic values (1) to (3).
(1) Single yarn tensile strength of 1.0 cN/dtex or more (2) Twist coefficient K of 120 to 180
(3) Hot water dimensional change rate is 4.0% or more
（ａ）単繊維繊が０．８～３．０ｄｔｅｘ
（ｂ）繊維長が３０～６０ｍｍ
（ｃ）引張強さが２．０～４．０ｃＮ／ｄｔｅｘ The two-layer structure spun yarn according to any one of claims 1 to 4, wherein the bicomponent conjugate staple fiber satisfies all of the following property values (a) to ( c ).
( a ) Single fiber fiber is 0.8 to 3.0 dtex
( b ) Fiber length is 30-60mm
( c ) Tensile strength of 2.0 to 4.0 cN/dtex
A knitted fabric comprising the two-layer structure spun yarn according to any one of claims 1 to 5 .
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020151495 | 2020-09-09 | ||
| JP2020151495 | 2020-09-09 | ||
| PCT/JP2021/027050 WO2022054413A1 (en) | 2020-09-09 | 2021-07-19 | Spun yarn having two-layer structure, and woven or knitted fabric |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022054413A1 JPWO2022054413A1 (en) | 2022-03-17 |
| JP7100220B1 JP7100220B1 (en) | 2022-07-12 |
| JPWO2022054413A5 true JPWO2022054413A5 (en) | 2022-08-19 |
Family
ID=80632513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022530339A Active JP7100220B1 (en) | 2020-09-09 | 2021-07-19 | Two-layer structure spun yarn and woven and knitted fabrics |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7100220B1 (en) |
| CN (1) | CN116113734B (en) |
| WO (1) | WO2022054413A1 (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000328382A (en) * | 1999-03-15 | 2000-11-28 | Teijin Ltd | Elastic spun yarn |
| JP2003055848A (en) * | 2001-08-10 | 2003-02-26 | Toray Ind Inc | Composite yarn composed of filament and staple fiber and having excellent antipilling property and stretchability |
| JP3988422B2 (en) * | 2001-09-27 | 2007-10-10 | 東レ株式会社 | Method for producing composite fabric |
| US6641916B1 (en) * | 2002-11-05 | 2003-11-04 | E. I. Du Pont De Nemours And Company | Poly(trimethylene terephthalate) bicomponent fibers |
| US7195819B2 (en) * | 2004-04-23 | 2007-03-27 | Invista North America S.A.R.L. | Bicomponent fiber and yarn comprising same |
| US8513146B2 (en) * | 2005-09-29 | 2013-08-20 | Invista North America S.ár.l. | Scalloped oval bicomponent fibers with good wicking, and high uniformity spun yarns comprising such fibers |
| JP5116995B2 (en) * | 2006-06-05 | 2013-01-09 | 東レ株式会社 | Long / short composite spun yarn and fabric comprising the same |
| JP4886368B2 (en) * | 2006-06-06 | 2012-02-29 | 東レ株式会社 | Long / short composite spun yarn and fabric using the same |
| JP5424958B2 (en) * | 2010-03-31 | 2014-02-26 | ユニチカトレーディング株式会社 | Double-layer spun yarn, woven and knitted fabric, and method for producing woven and knitted fabric |
| JP2013199721A (en) * | 2012-03-26 | 2013-10-03 | Unitika Trading Co Ltd | Spun yarn having two-layer structure and woven and knitted fabric using the spun yarn |
| JP6270427B2 (en) * | 2013-11-21 | 2018-01-31 | ユニチカトレーディング株式会社 | Double-layer spun yarn, woven and knitted fabric, and method for producing woven and knitted fabric |
| CN105332135B (en) * | 2014-06-17 | 2018-11-02 | 东丽纤维研究所（中国）有限公司 | A kind of cotton sense polyester yarn and by its elastic fabric obtained |
| CN106367858B (en) * | 2015-07-20 | 2020-05-15 | 东丽纤维研究所（中国）有限公司 | False-twisted yarn and elastic textile containing same |
| JP2019214814A (en) * | 2018-06-14 | 2019-12-19 | 東レ株式会社 | Spun yarn and woven or knitted fabric |
-
2021
- 2021-07-19 JP JP2022530339A patent/JP7100220B1/en active Active
- 2021-07-19 WO PCT/JP2021/027050 patent/WO2022054413A1/en active Application Filing
- 2021-07-19 CN CN202180061785.1A patent/CN116113734B/en active Active
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