JP7620103B2 - 二重織物およびそれを含む物品 - Google Patents
二重織物およびそれを含む物品 Download PDFInfo
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- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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Description
本出願は、2020年12月29日付の韓国特許出願第10-2020-0186478号および2021年12月22日付の韓国特許出願第10-2021-0184478号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示されたすべての内容は本明細書の一部として含まれる。
<実施例>
ジャカード機構を用いるOPW製織方式により二重織物を製造した。二重織物の製造の際に用いられた繊維はコーロン社のPET繊維(Secura-Stelen(登録商標))であり、第1織物層のパターン(P1)と第2織物層のパターン(P2)はそれぞれ1×1平織で製織した。この際、図3bのような突出パターンが第1織物層の内側表面(すなわち、第2織物層の一面と対向する第1織物層の内側一面)上に形成されるようにした。
突出パターン(P3)が二重織物の内側表面に形成されていないことを除いては、同一にコーティング織物を製造した。
突出パターン(P3)が二重織物の内側表面に形成されていないことと各織物層の外側表面をシリコーン樹脂(Dow corning社のDC3760コーティング剤を使用)でコートしたこと(コーティング量約75g/m2)を除いては、同一にコーティング織物を製造した。
1.突き刺しテスト(突き刺し強度,N)(Puncture test (Puncture force,N))
ASTM F1342にしたがい織物の物性を評価した。具体的には、実施例および比較例で製造された織物をASTM F1342のPuncture Strength測定治具(Jig)に固定させた後、プローブA(Probe A)を治具の突き刺しガイド孔(Puncture Guide Hole)に50.8cm/minの速度で貫入させた。そして、生地にパンク穴(Puncture)が発生する際の荷重と伸びの程度を測定した。ASTM F1342 Puncture Strength測定のジグ(Jig)とプローブA(Probe A)は、図4のような規格にしたがい製作される。
ISO 13937-2にしたがい織物の物性を評価した。具体的には、実施例および比較例で製造された織物を図5aのようにTrouser(ズボン)状の試験片に裁断し(単位cm)、サンプル(Sample)の両脚を上下方向に100mm/min速度にて引張させる。この際、図5bのような、時間による引き裂き強度(Tear Strength)グラフを得ることができる。このグラフのピーク(Peak)の開始から最後までを4等分した後に、それぞれの等分領域についての最大Peak2個ずつ、及び、最小Peak2個ずつの、合計16個の数値の算術平均を求めることで、引き裂き強度(Tear Strength)を求めた。
織物フォールディング(folding)の際の厚さは、生地の大きさおよび形状に応じて変動し得るので、同じ形状および仕様の生地を用いて実施例2と比較例3を構成した。具体的には、実施例2と比較例3の試験片に対して、同じ生地(PET 550dtex/144fを用い、緯糸と経糸の密度が57×48th/inのOPW生地を製作)に、同じポリウレタンコーティング剤を同一量(約35gsm)で塗布した。この際、前記生地は四角シート形状であり、面積はAである。
Claims (15)
- 所定のパターン(P1)を有する第1織物層(L1);所定のパターン(P2)を有する第2織物層(L2);および第1織物層と第2織物層が接合された接合部を含み、
前記織物層(L1,L2)のうちの一つ以上の表面には織物層と一体に形成された突出パターン(P3)が形成され、
前記突出パターン(P3)は5~100本のスレッド(thread)の間隔を占める大きさで形成された、
二重織物(ただし、前記スレッドは前記織物層(L1,L2)のパターン(P1,P2)を形成する個々の経糸および緯糸を意味する)。 - 前記突出パターン(P3)は、5~50本のスレッド(thread)の間隔で離隔して形成された、請求項1に記載の二重織物。
- 前記織物層(L1)のパターン(P1)と、織物層(L2)のパターン(P2)とは、互いに同一または異なる、請求項1に記載の二重織物。
- 前記織物層(L1)のパターン(P1)と、織物層(L2)のパターン(P2)とは、それぞれ独立して、1×1の組織、2×2の組織、3×3の組織、朱子織、経リブ織、緯リブ織、またはその混合織である、請求項1に記載の二重織物。
- 前記織物層(L1,L2)のパターン(P1,P2)を形成する経糸および緯糸の密度は40~80th/inchである、請求項1に記載の二重織物。
- 前記突出パターンはメッシュ(mesh)形状を有する、請求項1に記載の二重織物。
- 前記突出パターン(P3)を形成する経糸および緯糸の密度は20スレッド/インチ(th/inch)以下である、請求項1に記載の二重織物。
- 前記パターン(P1,P2,P3)はポリエステル繊維、ナイロン繊維、アラミド繊維、ポリケトン繊維、炭素繊維およびセルロース繊維の中から選ばれる一つ以上の繊維で形成された、請求項1に記載の二重織物。
- 前記繊維の繊度は300~1500dtexである、請求項8に記載の二重織物。
- 前記織物層(L1,L2)の一面上に形成された樹脂コート層をさらに含み、
前記樹脂コート層は、シリコーン樹脂およびウレタン樹脂のうちの一つ以上を含む、請求項1に記載の二重織物。 - 前記突出パターン(P3)は、前記樹脂コート層が形成された織物層の面とは反対の一面上に形成された、請求項10に記載の二重織物。
- 前記樹脂コート層のコーティング量は30~150g/m2の範囲にある、請求項10に記載の二重織物。
- 一体型製織方式(OPW,One Piece Woven)を用いて、互いに分離された第1織物層(L1)と第2織物層(L2)とを同時に製織しながら、前記織物層(L1,L2)のうちの一つ以上の表面に、織物層と一体に形成された突出パターン(P3)を形成する段階;
を含み、
前記第1織物層と前記第2織物層が接結点で接合され、
前記突出パターン(P3)を5~100本のスレッド(thread)の間隔を占める大きさで形成する、二重織物の製造方法(ただし、前記スレッドは前記織物層(L1,L2)のパターン(P1,P2)を形成する個々の経糸および緯糸を意味する)。 - 前記突出パターン(P3)をメッシュ形状に形成する、請求項13に記載の二重織物の製造方法。
- 請求項1による二重織物を含む、物品。
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| KR1020210184478A KR102584297B1 (ko) | 2020-12-29 | 2021-12-22 | 이중 직물 및 이를 포함하는 물품 |
| PCT/KR2021/019704 WO2022145872A1 (ko) | 2020-12-29 | 2021-12-23 | 이중 직물 및 이를 포함하는 물품 |
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| KR20180121200A (ko) | 2017-04-28 | 2018-11-07 | 주식회사 새날테크-텍스 | 파열 영역을 구비하는 에어백 직물의 제조방법 |
| KR101910177B1 (ko) | 2018-03-08 | 2018-10-22 | 주식회사 원풍 | 상,하부층 직조문양이 상이한 이중공간지의 직조방법 |
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| WO2009008350A1 (ja) | 2007-07-11 | 2009-01-15 | Asahi Kasei Engineering Corporation | カーテンバッグ |
| JP2014514470A (ja) | 2011-03-31 | 2014-06-19 | コーロン インダストリーズ インク | 気体による膨張性二重織物およびその製造方法 |
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| WO2022145872A1 (ko) | 2022-07-07 |
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