JP2006520701A - エラストマー性不織布積層体とその生産方法 - Google Patents
エラストマー性不織布積層体とその生産方法 Download PDFInfo
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Abstract
Description
次の術語は、本明細書において、本明細書に提示される更なる詳細と共に、その用語の平易な意味に一致して使用される。
Claims (10)
- エラストマー性不織布積層体であって:
a)第一の結合面及び第一の機械方向を有する第一の不織布と、
b)前記第一の不織布の前記第一の機械方向に延び及び前記第一の結合面に付着されて中間積層体を形成する複数の弾性ストランドであって、前記複数の弾性ストランドは前記弾性ストランドの長さに沿う第一のひずみ下にあり、前記第一のひずみが解放されると前記第一の不織布に波形を形成して前記中間積層体を前記第一の機械方向に伸張可能にするものである、複数の弾性ストランドと、
c)第二の結合面、第二の機械方向、及び第二の横断方向を有する第二の不織布であって、前記第二の結合面は、前記第一のひずみが前記弾性ストランドから解放された時に、前記弾性ストランド及び前記第一の不織布の前記第一の結合面の一部に付着されて不織布積層体を形成し、前記第二の不織布が、機械的に活性化されて、前記第二の不織布を前記中間積層体と共に伸張可能にする、第二の不織布とを含むエラストマー性不織布積層体。 - 前記エラストマー性不織布積層体が、力の壁に到達する前に前記第一の機械方向に少なくとも約50%の伸張性を有する、好ましくは力の壁に到達する前に前記第一の機械方向に少なくとも約100%の伸張性を有する、請求項1に記載のエラストマー性不織布積層体。
- 前記弾性ストランド、前記第一の不織布の前記第一の結合面、及び前記第二の不織布の前記第二の結合面が、接着剤、超音波接着、熱接着、圧力接着、又はこれらの組み合わせにより付着される、請求項1に記載のエラストマー性不織布積層体。
- 前記複数の弾性ストランド上の前記ストランド弾性体の長さに沿う前記第一のひずみが、約20%〜約500%の範囲である、請求項1に記載のエラストマー性不織布積層体。
- 前記第二の不織布の前記第二の機械方向が、前記第一の不織布の前記第一の機械方向にほぼ垂直であり、それにより前記第二の不織布が、前記第二の横断方向に機械的に活性化されて、前記第二の不織布を前記第二の横断方向に伸張可能にする、請求項1に記載のエラストマー性不織布積層体。
- エラストマー性不織布積層体を製造するための方法であって、前記方法が:
a)第一の結合面、第一の機械方向、及び第一の横断方向を有する第一の不織布を提供する段階と、
b)それぞれのストランドがストランド弾性体長さを有する、複数の弾性ストランドを提供する段階と、
c)前記複数の弾性ストランドに、前記ストランド弾性体長さに沿って約20%〜約500%の第一のひずみを提供する段階と、
d)前記ひずみを付与された複数の弾性ストランドを前記第一の結合面の上に、前記ストランド弾性体長さを前記第一の機械方向にほぼ並行に長手方向に置く段階と、
e)前記複数の弾性ストランドの少なくとも一部を前記第一の結合面に結合して、中間積層体を形成する段階と、
f)前記第一のひずみの少なくとも一部を解放する段階と、
g)第二の結合面、第二の機械方向、及び第二の横断方向を有する第二の不織布を提供する段階と、
h)前記複数の弾性ストランドの少なくとも一部を前記第二の結合面に結合して、不織布積層体を形成する段階と、
i)少なくとも前記第二の不織布を機械的に活性化して、エラストマー性不織布積層体を提供する段階とを含む方法。 - 前記中間積層体をアンビルドラム上に固定する段階を更に含み、前記アンビルドラムは、アンビル穿孔が配列されたアンビル表面を有し、前記中間積層体が、前記アンビル穿孔を通る少なくとも部分真空により前記アンビル表面に対して保持される、請求項6に記載の方法。
- 前記複数の弾性ストランドの少なくとも一部を前記第二の不織布の前記第二の結合面に結合する前に、前記中間積層体を前記第一の横断方向に切断する段階を更に含む、請求項7に記載の方法。
- 前記第二の機械方向が前記第一の機械方向にほぼ垂直であり、それにより前記第二の不織布が、前記第二の横断方向に機械的に活性化されて、前記第二の横断方向に前記第二の不織布の伸張性を提供する、請求項8に記載の方法。
- 前記第二の不織布が第二の対向する横断方向端部を有し、及び、前記方法が、前記第二の不織布を活性化している間に、少なくとも前記第二の不織布を前記第二の対向する横断方向端部で固定する段階を更に含む、請求項9に記載の方法。
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US6969441B2 (en) * | 2000-05-15 | 2005-11-29 | Kimberly-Clark Worldwide, Inc. | Method and apparatus for producing laminated articles |
US20020119722A1 (en) | 2000-05-15 | 2002-08-29 | Welch Howard M. | Elastic stranded laminate with adhesive bonds and method of manufacture |
US6562166B2 (en) * | 2001-05-11 | 2003-05-13 | The Procter & Gamble Company | Method of material property modification with ultrasonic energy |
US20040121683A1 (en) * | 2002-12-20 | 2004-06-24 | Joy Jordan | Composite elastic material |
US7329621B2 (en) * | 2002-12-26 | 2008-02-12 | Kimberly-Clark Worldwide, Inc. | Stretchable film laminates and methods and apparatus for making stretchable film laminates |
US6964720B2 (en) * | 2003-03-26 | 2005-11-15 | The Procter & Gamble Company | Elastomeric nonwoven laminates and process for producing same |
-
2003
- 2003-03-26 US US10/397,334 patent/US6964720B2/en not_active Expired - Lifetime
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2004
- 2004-03-26 EP EP04758544A patent/EP1610950B1/en not_active Expired - Lifetime
- 2004-03-26 WO PCT/US2004/009594 patent/WO2004087416A1/en active Application Filing
- 2004-03-26 MX MXPA05009266 patent/MX255436B/es active IP Right Grant
- 2004-03-26 JP JP2005518921A patent/JP4180605B2/ja not_active Expired - Fee Related
- 2004-03-26 DE DE602004023490T patent/DE602004023490D1/de not_active Expired - Lifetime
- 2004-03-26 CN CNA200480006076XA patent/CN1756659A/zh active Pending
- 2004-03-26 AT AT04758544T patent/ATE444850T1/de not_active IP Right Cessation
-
2005
- 2005-09-13 US US11/224,804 patent/US7211531B2/en not_active Expired - Fee Related
-
2007
- 2007-03-21 US US11/726,148 patent/US20070218245A1/en not_active Abandoned
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008540189A (ja) * | 2005-05-13 | 2008-11-20 | ザ プロクター アンド ギャンブル カンパニー | ストレッチラミネート |
JP4943424B2 (ja) * | 2005-05-13 | 2012-05-30 | ザ プロクター アンド ギャンブル カンパニー | ストレッチラミネート |
WO2008081662A1 (ja) * | 2006-12-28 | 2008-07-10 | Kao Corporation | 伸縮シート及びその製造方法 |
JP2009061743A (ja) * | 2007-09-07 | 2009-03-26 | Kao Corp | 伸縮シート及びその製造方法 |
WO2009075197A1 (ja) * | 2007-12-10 | 2009-06-18 | Kao Corporation | 伸縮性複合シート |
JP2009160919A (ja) * | 2007-12-10 | 2009-07-23 | Kao Corp | 伸縮性複合シート |
US8574211B2 (en) | 2007-12-10 | 2013-11-05 | Kao Corporation | Stretchable composite sheet |
JP2012529382A (ja) * | 2009-06-12 | 2012-11-22 | ザ プロクター アンド ギャンブル カンパニー | 予歪みを付与された伸長ラミネート |
Also Published As
Publication number | Publication date |
---|---|
JP4180605B2 (ja) | 2008-11-12 |
CN1756659A (zh) | 2006-04-05 |
US20070218245A1 (en) | 2007-09-20 |
DE602004023490D1 (de) | 2009-11-19 |
MX255436B (es) | 2008-03-18 |
US20060009104A1 (en) | 2006-01-12 |
EP1610950B1 (en) | 2009-10-07 |
EP1610950A1 (en) | 2006-01-04 |
WO2004087416A1 (en) | 2004-10-14 |
MXPA05009266A (es) | 2005-10-19 |
ATE444850T1 (de) | 2009-10-15 |
US20040192140A1 (en) | 2004-09-30 |
US7211531B2 (en) | 2007-05-01 |
US6964720B2 (en) | 2005-11-15 |
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