JP2022118975A5 - - Google Patents
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- JP2022118975A5 JP2022118975A5 JP2021015861A JP2021015861A JP2022118975A5 JP 2022118975 A5 JP2022118975 A5 JP 2022118975A5 JP 2021015861 A JP2021015861 A JP 2021015861A JP 2021015861 A JP2021015861 A JP 2021015861A JP 2022118975 A5 JP2022118975 A5 JP 2022118975A5
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- JP
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- Prior art keywords
- fiber
- spun yarn
- fibers
- yarn
- aramid
- Prior art date
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- 239000000835 fiber Substances 0.000 claims description 27
- 229920006231 aramid fiber Polymers 0.000 claims description 18
- 239000000306 component Substances 0.000 claims description 11
- 239000004693 Polybenzimidazole Substances 0.000 claims description 5
- 239000004760 aramid Substances 0.000 claims description 5
- 239000008358 core component Substances 0.000 claims description 5
- 229920006376 polybenzimidazole fiber Polymers 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 5
- 239000010410 layer Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 229920001577 copolymer Polymers 0.000 claims 1
- 229920001519 homopolymer Polymers 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
Description
本発明の多層構造紡績糸は、芯成分繊維がｐ－アラミド繊維牽切糸であり、鞘成分繊維がポリベンズイミダゾール繊維とアラミド繊維を含む多層構造紡績糸であって、前記鞘成分繊維のアラミド繊維はｐ－アラミド繊維とｍ－アラミド繊維を含み、前記鞘成分繊維を１００質量％としたとき、ポリベンズイミダゾール繊維は５０～６５質量％、ｐ－アラミド繊維は１８～３５質量％、ｍ－アラミド繊維は３～１８質量％の割合で混紡されおり、前記鞘成分繊維の一部の繊維が表層の巻き付き繊維となっており、残りの繊維は前記多層構造紡績糸の長さ方向に配列しており、前記表層の巻き付き繊維は一方向に撚りが掛けられた実撚り状であり、全体を束ねていることを特徴とする。 The multi-layered structure spun yarn of the present invention is a multi-layered structure spun yarn in which the core component fiber is p-aramid fiber stretch-breaking yarn, the sheath component fiber is polybenzimidazole fiber and aramid fiber, and the sheath component fiber is aramid The fiber contains p-aramid fiber and m-aramid fiber, and when the sheath component fiber is 100% by mass, polybenzimidazole fiber is 50 to 65% by mass, p-aramid fiber is 18 to 35% by mass, m- Aramid fibers are blended at a ratio of 3 to 18% by mass , some of the fibers of the sheath component fibers are fibers wound on the surface layer, and the remaining fibers are arranged in the length direction of the multilayer structure spun yarn. and the wound fibers of the surface layer are twisted in one direction to form a real twist, and the whole is bundled .
Claims (10)
前記鞘成分繊維のアラミド繊維はｐ－アラミド繊維とｍ－アラミド繊維を含み、
前記鞘成分繊維を１００質量％としたとき、ポリベンズイミダゾール繊維は５０～６５質量％、ｐ－アラミド繊維は１８～３５質量％、ｍ－アラミド繊維は３～１８質量％の割合で混紡されおり、
前記鞘成分繊維の一部の繊維が表層の巻き付き繊維となっており、残りの繊維は前記多層構造紡績糸の長さ方向に配列しており、
前記表層の巻き付き繊維は一方向に撚りが掛けられた実撚り状であり、全体を束ねていることを特徴とする多層構造紡績糸。 The core component fiber is p-aramid fiber stretch-breaking yarn, and the sheath component fiber is a multi-layered spun yarn containing polybenzimidazole fiber and aramid fiber,
The aramid fibers of the sheath component fibers include p-aramid fibers and m-aramid fibers,
When the sheath component fiber is 100% by mass, the polybenzimidazole fiber is 50 to 65% by mass, the p-aramid fiber is 18 to 35% by mass, and the m-aramid fiber is blended at a ratio of 3 to 18% by mass. ,
Some of the fibers of the sheath component fibers are surface layer wound fibers, and the remaining fibers are arranged in the length direction of the multilayer structure spun yarn,
A multi-layered spun yarn , wherein the wound fibers of the surface layer are in a real-twisted form in which the fibers are twisted in one direction, and the whole is bundled .
但し、係数Ｋは次に示す数式（１）によって計算する。
Ｋ＝Ｔ／√Ｃ・・・式（１）
Ｔ：双糸の撚り数（回／ｍ）
Ｃ：双糸番手（ｍ／ｇ） 6. The multi-layered spun yarn according to claim 5 , wherein the twist coefficient K of the two-ply yarn is 100-200.
However, the coefficient K is calculated by the following formula (1).
K=T/√C Expression (1)
T: Number of twists of two-ply yarn (twists/m)
C: Two-ply yarn count (m / g)
鞘成分繊維となるポリベンズイミダゾール繊維とアラミド繊維を混紡したスライバーをドラフトゾーンに供給してドラフトし、
前記ドラフトゾーンのフロントローラーに芯成分繊維となるｐ－アラミド繊維牽切糸を供給して、前記スライバーと合体した繊維束とし、
前記繊維束を前記フロントローラーの排出部から離れて配置されているスピンドルに供給し、旋回流によって仮撚りを掛けた後に巻き取ることを特徴とする多層構造紡績糸の製造方法。 A method for producing a multilayer structure spun yarn according to any one of claims 1 to 6 ,
A sliver that is a blend of polybenzimidazole fiber and aramid fiber, which is a sheath component fiber, is supplied to the draft zone and drafted,
Supplying a p-aramid fiber stretch-cutting yarn as a core component fiber to the front roller of the draft zone to form a fiber bundle united with the sliver,
A method for producing a multi-layered spun yarn, wherein the fiber bundle is supplied to a spindle arranged away from the discharge portion of the front roller, false twisted by a swirling flow, and then wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021015861A JP7280295B2 (en) | 2021-02-03 | 2021-02-03 | Multilayer structure spun yarn, manufacturing method thereof, heat-resistant fabric and heat-resistant protective clothing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021015861A JP7280295B2 (en) | 2021-02-03 | 2021-02-03 | Multilayer structure spun yarn, manufacturing method thereof, heat-resistant fabric and heat-resistant protective clothing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022118975A JP2022118975A (en) | 2022-08-16 |
| JP2022118975A5 true JP2022118975A5 (en) | 2022-11-25 |
| JP7280295B2 JP7280295B2 (en) | 2023-05-23 |
Family
ID=82845051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021015861A Active JP7280295B2 (en) | 2021-02-03 | 2021-02-03 | Multilayer structure spun yarn, manufacturing method thereof, heat-resistant fabric and heat-resistant protective clothing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7280295B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024013790A1 (en) * | 2022-07-11 | 2024-01-18 | 日本毛織株式会社 | Multilayer-structured spun yarn, method for producing same, heat-resistant cloth, and heat-resistant protective garment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7155891B2 (en) | 2003-09-15 | 2007-01-02 | E. I. Du Pont De Nemours And Company | Composite twist core-spun yarn and method and device for its production |
| JP5787438B2 (en) | 2011-04-08 | 2015-09-30 | 東レ・デュポン株式会社 | Core-sheath type long / short composite spun yarn |
| JP5972420B1 (en) | 2015-03-18 | 2016-08-17 | 日本毛織株式会社 | Multi-layer structure spun yarn, heat-resistant fabric using the same, and heat-resistant protective clothing |
| JP6599496B2 (en) | 2018-03-07 | 2019-10-30 | 日本毛織株式会社 | Multi-layer structure spun yarn, heat-resistant fabric using the same, and heat-resistant protective clothing |
| CN110725032B (en) | 2019-10-15 | 2022-07-26 | 上海伊贝纳纺织品有限公司 | Sunlight-resistant and washing-resistant PBI blended yarn and fabric thereof |
-
2021
- 2021-02-03 JP JP2021015861A patent/JP7280295B2/en active Active
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