JP2005178365A - 複合弾性織物 - Google Patents
複合弾性織物 Download PDFInfo
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- JP2005178365A JP2005178365A JP2004325624A JP2004325624A JP2005178365A JP 2005178365 A JP2005178365 A JP 2005178365A JP 2004325624 A JP2004325624 A JP 2004325624A JP 2004325624 A JP2004325624 A JP 2004325624A JP 2005178365 A JP2005178365 A JP 2005178365A
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Abstract
【解決手段】織物が穿孔熱可塑性フィルムと一層以上の不織布を含むような複合織物の製造方法及びそれによって製造される複合織物。本方法は、穿孔熱可塑性フィルム、縮んだ不織布を用意し、織物は向かい合わせた関係で結合される。穿孔熱可塑性フィルムと縮んだ不織布は、複数の接触点で向かい合わせた関係で結合し、その結果、不織布の縮んだ構造は維持され、複合織物は不織布面とフィルム面を有する。複合織物は、少なくともしぼ寄せした方向には延伸させることができる。
【選択図】なし
Description
Claims (33)
- 穿孔熱可塑性フィルムと不織布を含む複合織物の製造方法であって、
i. 穿孔熱可塑性フィルムを用意し;
ii. 縮んだ不織布を用意し;
iii. 熱可塑性フィルムと不織布を結合させる装置を用意し;
iv. 熱可塑性フィルムと縮んだ不織布とを向かい合わせた関係で結合装置に供給し、穿孔熱可塑性フィルムと縮んだ不織布を複数の接触点で向かい合わせた関係で結合させ、それによって複合織物を製造する:
ことを含み、ここで、不織布の縮んだ構造は維持され、複合織物は不織布面と穿孔フィルム面を有しているような方法。 - 二つの織物を結合させる装置が、熱的点結合、接着剤積層、真空積層、及び超音波結合から成る群より選ばれる方法を含む請求項1に記載の方法。
- 熱可塑性フィルムが弾性的であり、少なくとも50%の破断伸度を有している請求項1に記載の方法。
- 前記穿孔フィルムを用意し、織物を結合させるための装置を用意した請求項1記載の方法であって、
i. 外側と内側の表面を有する穿孔した動くスクリーンを用意し、その内側の表面に真空(pneumatic vaccum)をかけ;
ii. 熱可塑性シートを用意し、そのシートをプラスチックの状態で、穿孔した動くスクリーンの外側の表面に供給し;
iii. 動くスクリーンに対してシートと不織布とに一緒に圧力をかけるローラーの下を縮んだ不織布とシートが通過するように、動くスクリーンと接触していないシートの表面に縮んだ織物を供給し;
iv. スクリーン上の熱可塑性シートを冷却し、穿孔して、フィルムを成形する:
ことを含み、ここで、前記真空は、織物とフィルムの間の複数の接触点で結合を形成させるのに十分であり、縮んだ不織布は、フィルムに結合したときにその縮んだ構造を維持し、前記真空は、熱可塑性シートに穿孔をあけるのに十分であり、これによって、シートから成形された熱可塑性フィルム中の一連の穿孔が与えられ、穿孔は、実質的には動くスクリーン上の穿孔のパターンに合致しているような前記方法。 - 穿孔フィルムを用意し、縮んだ織物を用意し、そして織物とフィルムを一緒に結合させる装置を用意した請求項1記載の方法であって、
i. 外側と内側の表面を有する穿孔した動くスクリーンを用意し、その内側の表面に真空をかけ;
ii. 熱可塑性シートを用意し、そのシートをプラスチックの状態で、穿孔した動くスクリーンの表面に供給し;
iii. 不織布の繊維又は内部の繊維の結合を破壊することなく、不織布が、しぼ寄せロールの表面の一般的形状に合致し、縮んだ構造をとることができるような方法で、しぼ寄せロールの上を不織布を通過させ、縮んだ織物を製造し;
iv. 動くスクリーンと接触していない熱可塑性シートの表面上に、縮んだ不織布を堆積させ、その一方、しぼ寄せロールは、不織布及びシートを通して穿孔した動くスクリーン上に力を及ぼし;
v. スクリーンの表面上の熱可塑性シートを冷却し、穿孔して、複合織物を成形する:
ことを含み、ここで、しぼ寄せロールにより発揮される力は、真空と強調して、不織布と熱可塑性シートの間の複数の接触点で結合を形成するのに十分であり、不織布はフィルムに結合したときも縮んだままであり、真空は熱可塑性シートに穿孔をあけるのに十分であり、それによって、動くスクリーン上の穿孔のパターンに実質的に合致した一連の穿孔がフィルムに生じるような前記方法。 - i. 第二の縮んだ不織布を用意し;
ii. 二つの織物を結合させる装置を用意し;
iii. 第二の縮んだ不織布と前記複合織物とを向かい合わせた関係で結合装置に供給し、それによって、第二の縮んだ不織布は、複合織物の穿孔フィルム面に隣接している:
ことをさらに含み、ここで、第二の縮んだ不織布と複合織物は、複数の接触点で向かい合わせた関係で結合しており、第二の不織布の縮んだ構造は、実質的に維持され、第二の縮んだ不織布は、自然で本来持っている少なくとも60%の延伸性と縮みに誘起される少なくとも25%の延伸性とを有する請求項1に記載の方法。 - 結合装置が、熱的点結合、接着剤積層、真空積層、及び超音波結合より成る群より選ばれる方法を含む請求項6に記載の方法。
- i. 織物の活性化のための装置を用意し;
ii. 複合織物を前記活性化装置の中を通過させ、それによって複合織物を活性化する:
ことをさらに含む請求項1に記載の方法。 - 熱可塑性フィルムが、ポリエチレン、ポリプロピレン単独重合体、プロピレンとエチレンとのランダム共重合体又はブロック共重合体、スチレンとブタジエン、イソプレン、エチレン、又はプロピレンとのブロック共重合体、ポリウレタン、及びこれらの混合物から成る群より選ばれる有機高分子を含む請求項1に記載の方法。
- 不織布が、ポリエチレン、ポリプロピレン、ポリエステル、ポリアミド、レーヨン、セルロース、及びこれらの混合物から成る群より選ばれる有機高分子を含む請求項1に記載の方法。
- 縮んだ不織布が、自然で本来持っている少なくとも60%の延伸性と縮みにより誘起される少なくとも25%の延伸性を有し、両者の延伸性が少なくとも一方向である不織布を含む請求項1に記載の方法。
- 穿孔した動くスクリーンにおける穿孔が、平方インチ当たりの線形孔密度(linear hole density)が10から60の間であり、動くスクリーンの全ての開いた領域は全スクリーンの領域の8から20%の間である請求項4に記載の方法。
- 穿孔した動くスクリーン中の穿孔として、平方インチ当たりの線形孔密度が10から60の間であり、動くスクリーンの全ての開いた領域が、全スクリーンの領域の8から20%の間である請求項5に記載の方法。
- 請求項1に記載の方法により製造された複合織物。
- 熱可塑性フィルムと不織布を含む複合織物の製造方法であって、
v. 熱可塑性フィルムを用意し;
vi. 縮んだ不織布を用意し;
vii. 熱可塑性フィルムと不織布を結合させる装置を用意し;
viii. 熱可塑性フィルムと縮んだ不織布とを向かい合わせた関係で結合装置に供給し、熱可塑性フィルムと縮んだ不織布を複数の接触点で向かい合わせた関係で結合させ、それによって複合織物を製造する:
ことを含み、ここで、不織布の縮んだ構造は維持され、複合織物は不織布面と穿孔フィルム面を有しているような方法。 - 二つの織物を結合させる装置が、熱的点結合、接着剤積層、真空積層、及び超音波結合より成る群より選ばれる方法を含む請求項15に記載の方法。
- 熱可塑性フィルムが弾性的であり、少なくとも50%の破断伸度を有している請求項15に記載の方法。
- 熱可塑性フィルムが、穿孔熱可塑性フィルムである請求項15に記載の方法。
- 熱可塑性フィルムに穿孔するのと同時に、熱可塑性フィルムと縮んだ不織布が、互いに結合する請求項15に記載の方法。
- 延伸性不織布層と穿孔弾性層を含み、穿孔弾性層は複数の点で延伸性不織布層に結合しており、ここで穿孔弾性層は少なくとも50%の破断伸度を有しており、延伸性不織布層は縮みにより誘起される少なくとも25%の延伸性を有している弾性複合織物。
- 前記弾性層が三次元開口フィルムを含む請求項20に記載の複合織物。
- 前記弾性層が二次元開口フィルムを含む請求項20に記載の複合織物。
- 第一の延伸性不織布層、第二の延伸性不織布層、及び第一の延伸性不織布層と第二の延伸性不織布層との間に位置する穿孔弾性層を含み、前記弾性層は複数の点で延伸性不織布層に結合しており、ここで前記弾性層は少なくとも50%の破断伸度を有しており、それぞれの不織布は縮みにより誘起される少なくとも25%の延伸性を独立して有しているような弾性複合織物。
- 弾性層が三次元開口フィルムを含む請求項23に記載の弾性複合織物。
- 弾性層が二次元開口フィルムを含む請求項23に記載の弾性複合織物。
- 請求項20に記載の複合織物を含む吸収性製品。
- 弾性層が三次元開口フィルムを含む請求項26に記載の吸収性製品。
- 弾性層が二次元開口フィルムを含む請求項26に記載の吸収性製品。
- 弾性層が、第一の非弾性表面層(non-elastic skin layer)、第二の非弾性表面層、及び第一と第二の表面層との間の弾性核を含む請求項26に記載の吸収性製品。
- 請求項23に記載の複合織物を含む吸収性製品。
- 弾性層が三次元開口フィルムを含む請求項30に記載の吸収性製品。
- 弾性層が二次元開口フィルムを含む請求項30に記載の吸収性製品。
- 弾性層が、第一の非弾性表面層、第二の非弾性表面層、及び第一と第二の表面層との間の弾性核を含む請求項30に記載の吸収性製品。
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- 2004-11-09 JP JP2004325624A patent/JP4628065B2/ja not_active Expired - Fee Related
- 2004-11-09 CA CA 2487603 patent/CA2487603A1/en not_active Abandoned
- 2004-11-11 KR KR1020040091702A patent/KR100880785B1/ko not_active IP Right Cessation
- 2004-11-11 CN CNB2004100927220A patent/CN100471476C/zh not_active Expired - Fee Related
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JP4819133B2 (ja) * | 2005-12-01 | 2011-11-24 | ザ プロクター アンド ギャンブル カンパニー | 伸縮性積層体を製造する方法 |
WO2007114295A1 (ja) * | 2006-03-31 | 2007-10-11 | Kb Seiren, Ltd. | 医療用シート基材及びそれを用いた医療用シート |
US8741083B2 (en) | 2006-05-12 | 2014-06-03 | Sca Hygiene Products Ab | Elastic laminate and a method for producing an elastic laminate |
JP2009536888A (ja) * | 2006-05-12 | 2009-10-22 | エスセーアー・ハイジーン・プロダクツ・アーベー | 弾性ラミネートおよび弾性ラミネートを製造するための方法 |
US8852372B2 (en) | 2006-05-12 | 2014-10-07 | Sca Hygiene Products Ab | Pant-type absorbent article and a method for producing pant-type absorbent articles |
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JP2010508958A (ja) * | 2006-11-13 | 2010-03-25 | エスセーアー・ハイジーン・プロダクツ・アーベー | 弾性ラミネートを備える吸収用品 |
JP2012125945A (ja) * | 2010-12-13 | 2012-07-05 | Kao Corp | シール装置、シール方法及びパンツ型使い捨ておむつ |
JP2016536176A (ja) * | 2013-09-20 | 2016-11-24 | ザ プロクター アンド ギャンブル カンパニー | 非平坦積層体構造、非平坦積層体構造を備えた吸収性物品 |
WO2016076346A1 (ja) * | 2014-11-12 | 2016-05-19 | 旭化成ケミカルズ株式会社 | 穿孔プラスチックフィルム |
JPWO2016076346A1 (ja) * | 2014-11-12 | 2017-06-08 | 旭化成株式会社 | 穿孔プラスチックフィルム |
JP2023514468A (ja) * | 2019-11-06 | 2023-04-06 | ニットウ・アドヴァンスト・フィルム・グローナウ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 弾性ラミネートを製造する方法、および該方法により得られるラミネート |
Also Published As
Publication number | Publication date |
---|---|
US20050101216A1 (en) | 2005-05-12 |
JP4628065B2 (ja) | 2011-02-09 |
CN1623523A (zh) | 2005-06-08 |
TWI347180B (en) | 2011-08-21 |
EP1555000A3 (en) | 2008-11-05 |
KR20050045902A (ko) | 2005-05-17 |
BRPI0404651A (pt) | 2005-07-05 |
KR100880785B1 (ko) | 2009-02-02 |
TW200518721A (en) | 2005-06-16 |
EP1555000A2 (en) | 2005-07-20 |
US7507680B2 (en) | 2009-03-24 |
CN100471476C (zh) | 2009-03-25 |
CA2487603A1 (en) | 2005-05-12 |
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