JP4777422B2 - 接着接合した伸縮部材を含む使い捨て吸収性物品 - Google Patents
接着接合した伸縮部材を含む使い捨て吸収性物品 Download PDFInfo
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Description
本発明の使い捨て吸収性物品は、前側腰部領域、後側腰部領域、及び前側腰部領域と後側腰部領域との間の股領域を有するシャーシを含み、このシャーシは2つの対向する長手方向縁部及び2つの垂直に配置された端縁部を有し、このシャーシは、a.少なくとも股領域にかかる液体透過性トップシート、b.少なくとも股領域にかかるバックシート、c.前記トップシートとバックシートとの間に配置される吸収性コア、及びd.前記シャーシの前側腰部領域又は後側腰部領域のどちらかにおいて、少なくとも1つの対向する長手方向縁部に沿って配置される漸増式に延伸される伸縮部材であって、孔なし且つむき出しのエラストマー層と接着接合する不織支持ウェブを含む部材をさらに含む。
図1は、接着積層による、不織支持ウェブ2の粘着性エラストマーコア層4への本発明の適用方法を示す。エラストマー層4は、例えば、押出成形機のようなエラストマー材料源から押し出される。エラストマー層4が巻かれる前に、不織支持ウェブ2は、好ましくはホットメルト接着剤である接着剤6でエラストマー層4に積層され、伸縮部材8が形成される。接着剤は、不織支持ウェブ上に様々なパターンで適用されることができる。例えば、接着剤は、縞、水玉、曲線、正方形、三角形、円等のような幾何学パターン、又はシートコーティングの形態で載置されてよい。所望により、量を追加した接着剤6が伸縮部材8に適用されてよく、部材8が貯蔵ロール10に巻かれる前に、伸縮部材8への1つ以上の付加的な不織布ウェブ16の接着積層を促進する。他の実施形態において、部材8が図2で詳述するようなストリップ12に切断された後に、1つ以上の付加的な不織布ウェブ16が伸縮部材8に接着積層されてよい。
bsorbent Article For Low-Viscosity Fecal Material)」という名称の米国特許第5,342,338号(ロー(Roe)、1994年8月30日発行)、「水性体液用の吸収性発泡材料とかかる材料を収容する吸収性物品(Absorbent Foam Materials For Aqueous Body Fluids and Absorbent Articles Containing Such Materials)」という名称の米国特許第5,260,345号(デマレーズ(DesMarais)ら、1993年11月9日発行)、「水性体液用の濡れるまでは薄い吸収性発泡材料とその製造方法(Thin-Until-Wet Absorbent Foam Materials For Aqueous Body Fluids And Process For Making Same)」という名称の米国特許第5,387,207号(ダイアー(Dyer)ら、1995年2月7日発行)、及び「非常に高い水対油比を有する高内相エマルジョンから製造された水性流体用の吸収性発泡材料(Absorbent Foam Materials For Aqueous Fluids Made From high Internal Phase Emulsions Having Very High Water-To-Oil Ratios)」という名称の米国特許第5,625,222号(デマレーズ(DesMarais)ら、1997年7月22日発行)に記載されている。
ticle With Selectively Expandable or Inflatable Component)」(アール(Ahr)ら、1999年12月7日発行)に記載されている。区画又は空隙の例は、「使い捨て糞便区画おむつ(Disposable Fecal Compartmenting Diaper)」という名称の米国特許第4,968,312号(カーン(Khan)、1990年11月6日発行)、「排泄物質隔離用弾性ライナーを有する吸収性物品(Absorbent Article With Elastic Liner For Waste Material Isolation)」という名称の米国特許第4,990,147号(フリーランド(Freeland)、1991年2月5日発行)、「使い捨ておむつ」という名称の米国特許第5,062,840号(ホルト(Holt)ら、1991年11月5日発行)、及び「使い捨て吸収性物品用の三分割トップシート及びその三分割トップシートを有する使い捨て吸収性物品(Trisection Topsheets For Disposable Absorbent Articles And Disposable Absorbent Articles Having Such Trisection Topsheets)」という名称の米国特許第5,269,755号(フリーランド(Freeland)ら、1993年12月14日発行)に開示されている。好適な横断方向バリアの例は、「複数の有効高さ横断方向隔壁を有する吸収性物品(Absorbent Article Having Multiple Effective Height Transverse Partition)」という名称の米国特許第5,554,142号(ドライア(Dreier)ら、1996年9月10日発行)、「直立横断方向隔壁を有する吸収性物品(Absorbent Article Having An Upstanding Transverse Partition)」という名称のPCT国際公開特許WO94/14,395(フリーランド(Freeland)ら、1994年7月7日公開)、及び「角直立横断方向隔壁を有する吸収性物品(Absorbent Article Having Angular Upstanding Transverse Partition)」という名称の米国特許第5,653,703号(ロー(Roe)ら、1997年8月5日発行)に記載されている。低粘度の糞便の管理に特に好適な他の構造体の例は、米国特許第5,941,864号(ロー(Roe)ら、1999年8月24日発行)、米国特許第5,977,430号(ロー(Roe)ら、1999年11月2日発行)、及び米国特許第6,013,063号(ロー(Roe)ら、2000年1月11日発行)に公開されている。
本発明による使い捨て物品を以下のように作製する。75重量%のベクター(Vector)4211(デクスコポリマーズ(Dexco Polymers))、15重量%のPS3900(ノバケム(Novachem))、及び10重量%の白色鉱油(ペンレコ(Pennreco)のドラケオールスプリーム(Drakeol Supreme))を含む、むき出し且つ孔なしのエラストマー層を、アルボ(Arbo)振動性ロスインウェイトフィーダーを備えるベルストルフ(Berstorff)Z25×32D2軸押出成形機上に押し出す。押出成形機の温度領域は、供給口付近の149℃(300F°)〜エラストマーが押出成形機から出る場所の204℃(400F°)の範囲の上方傾斜プロファイルに設定される。溶解物経路(アダプターブロック及びデービススタンダード(Davis Standard)の15.2cm(6インチ)の垂直配向シーティングダイ)の全後続領域の温度は、204℃(400F°)に設定される。熱安定性を向上させるために1500ppmのイルガノックス(Irganox)1010がエラストマーに加えられ、エラストマー層は(冷却ロール上に供給される)両面剥離紙上に直接押し出され、貯蔵ロールに巻かれる。続けて、むき出しのエラストマー層を剥離紙から除去し、静電流動床粒子処理(コネチカット州ブランフォード(Branford)06405、ピンオーク通り4(4 Pin Oak Drive)のエレクトロスタティックテクノロジー(Electrostatic Technology)社)を施す。50kVの電圧を全試料において使用した。フィルムに対する粒子の様々な添加速度をもたらすために、曝露時間及びフィルムと床との距離を変更した。曝露時間は、500〜4000msで変化させた。粒子床とフィルムとの間の距離は、5〜10cmで変化させた。使用された粒子は、ルゼナック社(Luzenac)によって製造されるバータル(Vertal)92、エネルギーストラテジーアソシエイツ(Energy Strategy Associates)社によって製造されるNan−O−Silロット番号284−T30−15、雲母粒子(60メッシュ)、及びポリエチレン粒子を含む。
実施例1のエラストマー層をバージニア州リッチモンド(Richmond)のトレデガーフィルムプロダクツ(Tredegar Film Products)から市販されているトレデガーのX−31794エラストマーフィルムに代えて、実施例1の物品を上述のように構成する。
実施例1のエラストマー層をドイツのノルデニアドイチュラントグローナウ(Nordenia Deutschland Gronau)から市販されているノルデニアのTK20913エラストマーフィルムに代えて、実施例1の物品を上述のように構成する。
実施例1のエラストマー層をドイツのノルデニアドイチュラントグローナウ(Nordenia Deutschland Gronau)から市販されているノルデニアのKG6361.000エラストマーフィルムに代えて、実施例1の物品を上述のように構成する。
実施例1のエラストマー層をドイツのノルデニアドイチュラントグローナウ(Nordenia Deutschland Gronau)から市販されているノルデニアのKG6356.xxxエラストマーフィルムに代えて、実施例1の物品を上述のように構成する。
Claims (9)
- 前側腰部領域、後側腰部領域、及び前側腰部領域と後側腰部領域との間の股領域を有するシャーシを含む使い捨て吸収性物品であって、前記シャーシは2つの対向する長手方向縁部及び2つの垂直に配置された端縁部を有し、前記シャーシは、
a.少なくとも股領域にかかる液体透過性トップシート、
b.少なくとも股領域にかかるバックシート、
c.前記トップシートとバックシートとの間に配置される吸収性コア、及び
d.前記シャーシの前側腰部領域又は後側腰部領域のどちらかにおいて、少なくとも1つの対向する長手方向縁部に沿って配置される漸増式に延伸される伸縮部材であって、孔なし且つむき出しのエラストマー層と接着接合する不織支持ウェブを含むことを特徴とする伸縮部材、
をさらに含み、
前記伸縮部材は、1つ以上の付加的な不織布ウェブ上又はその間において平行配置で等間隔に隔たった実質的に同じ幅の複数のストリップの形態をとる、使い捨て吸収性物品。 - 前側腰部領域、後側腰部領域、及び前側腰部領域と後側腰部領域との間の股領域を有するシャーシを含む使い捨て吸収性物品であって、前記シャーシは2つの対向する長手方向縁部及び2つの垂直に配置された端縁部を有し、前記シャーシは、
a.少なくとも股領域にかかる液体透過性トップシート、
b.少なくとも股領域にかかるバックシート、
c.前記トップシートとバックシートとの間に配置される吸収性コア、及び
d.前記シャーシの前側腰部領域又は後側腰部領域のどちらかにおいて、少なくとも1つの対向する長手方向縁部に沿って配置される漸増式に延伸される伸縮部材であって、孔なし且つむき出しのエラストマー層と接着接合する不織支持ウェブを含むことを特徴とする伸縮部材、
をさらに含み、
前記伸縮部材は、少なくとも2つの異なる幅の複数のストリップの形態をとる、使い捨て吸収性物品。 - 前記伸縮部材は、サイドパネル、レッグカフ、ウエストバンド、外側カバー、ランディング領域、及びこれらの組み合わせから成る群から選択される使い捨て物品構成要素に含まれる、請求項1又は2に記載の物品。
- 前記エラストマー層と前記不織布ウェブとの間の接着接合は、1つ以上の線状パターンで配置される、請求項1又は2に記載の物品。
- 前記伸縮部材は、前記不織支持ウェブから前記エラストマー層の対向する表面に配置される1つ以上の付加的な不織布外側ウェブをさらに備える、請求項1又は2に記載の物品。
- 前記伸縮部材は、伸縮サイドパネル内で単一片である、請求項1又は2に記載の物品。
- 前記漸増式に延伸される伸縮部材は、伸縮サイドパネルであり、
前記シャーシは、前記サイドパネルの最外縁部に取り付けられた締結具を含む、請求項1又は2に記載の使い捨て吸収性物品。 - 前記締結具は、テープタブ、フック・ループ締結要素、タブ及びスロットのような相互係止締結具、バックル、ボタン、スナップ、並びに/又は雌雄同体締結構成要素、並びにこれらの組み合わせから成る群から選択される、請求項7に記載の物品。
- 前記伸縮サイドパネルは、1つ以上の付加的な不織布ウェブ上又はその間において平行配置で等間隔に隔たった実質的に同じ幅の複数のストリップを含む、請求項7に記載の物品。
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CN (1) | CN101208063B (ja) |
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2006
- 2006-06-29 JP JP2008519665A patent/JP4777422B2/ja not_active Expired - Fee Related
- 2006-06-29 US US11/478,386 patent/US8193407B2/en not_active Expired - Fee Related
- 2006-06-29 MX MX2007016170A patent/MX2007016170A/es active IP Right Grant
- 2006-06-29 CN CN2006800229014A patent/CN101208063B/zh active Active
- 2006-06-29 CA CA2613649A patent/CA2613649C/en not_active Expired - Fee Related
- 2006-06-29 EP EP06786158.3A patent/EP1895961B1/en active Active
- 2006-06-29 WO PCT/US2006/025877 patent/WO2007002930A1/en active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
EP1895961B1 (en) | 2019-03-20 |
US20070005038A1 (en) | 2007-01-04 |
CN101208063A (zh) | 2008-06-25 |
CA2613649A1 (en) | 2007-01-04 |
JP2008543531A (ja) | 2008-12-04 |
EP1895961A1 (en) | 2008-03-12 |
CN101208063B (zh) | 2012-05-30 |
MX2007016170A (es) | 2008-03-10 |
WO2007002930A1 (en) | 2007-01-04 |
US8193407B2 (en) | 2012-06-05 |
CA2613649C (en) | 2013-10-01 |
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