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Publication number
JP2011529755A5
JP2011529755A5 JP2011521548A JP2011521548A JP2011529755A5 JP 2011529755 A5 JP2011529755 A5 JP 2011529755A5 JP 2011521548 A JP2011521548 A JP 2011521548A JP 2011521548 A JP2011521548 A JP 2011521548A JP 2011529755 A5 JP2011529755 A5 JP 2011529755A5
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JP
Japan
Prior art keywords
fluid
absorbent
polymer particles
core
article according
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JP2011521548A
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English (en)
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JP5933262B2 (ja
JP2011529755A (ja
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Priority claimed from PCT/EP2009/060012 external-priority patent/WO2010015591A1/en
Publication of JP2011529755A publication Critical patent/JP2011529755A/ja
Publication of JP2011529755A5 publication Critical patent/JP2011529755A5/ja
Application granted granted Critical
Publication of JP5933262B2 publication Critical patent/JP5933262B2/ja
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Claims (12)

  1. 流体吸収性コアを製造するための方法であって、
    (i)繊維状材料と、1000μm未満の粒径、200〜600μmの中間粒径、20質量%未満の水分含量、少なくとも0.84の平均球形度および少なくとも10%の浮遊粒子分(FPF)を有する10〜95質量%の流体吸収性ポリマー粒子とを混合すること、および
    (ii)得られた混合物を圧縮することを含み、
    圧縮(ii)を、コア(C)が、
    D<β×0.14g/cm3+0.18g/cm3
    [式中、
    Dは、コア(C)の密度であり、
    βは、コア(C)における流体吸収性ポリマー粒子の質量分率である]の密度を有するように実施する前記方法。
  2. (A)上部液体透過層と、
    (B)下部液体不透過層と、
    (C)繊維状材料、ならびに1000μm未満の粒径、200〜600μmの中間粒径、20質量%未満の水分含量、少なくとも0.84の平均球形度および少なくとも10%の浮遊粒子分(FPF)を有する10〜80質量%の流体吸収性ポリマー粒子とを含む、前記層(A)と前記層(B)の間の流体吸収性コアとを含む流体吸収性物品であって、コア(C)は、
    D<β×0.14g/cm3+0.18g/cm3
    [式中、
    Dは、コア(C)の密度であり、
    βは、コア(C)における流体吸収性ポリマー粒子の質量分率である]の密度を有する、前記流体吸収性物品。
  3. 流体吸収性ポリマー粒子は、少なくとも8質量%の水分を有する請求項に記載の流体吸収性物品。
  4. 流体吸収性ポリマー粒子は、疎水性溶媒含有量が0.005質量%未満である、請求項2または3のいずれか1項に記載の流体吸収性物品。
  5. 前記流体吸収性コアが、少なくとも9gの流体吸収性ポリマー粒子を含む、請求項2から4までのいずれか1項に記載の流体吸収性物品。
  6. 少なくとも90質量%の前記流体吸収性ポリマー粒子が100〜800μmの直径を有する、請求項2から5までのいずれか1項に記載の流体吸収性物品。
  7. 前記流体吸収性ポリマー粒子が、少なくとも部分的に、酸基含有モノマー重合物からなる、請求項2から6までのいずれか1項に記載の流体吸収性物品。
  8. 前記繊維状材料が親水性である、請求項2から7までのいずれか1項に記載の流体吸収性物品。
  9. 前記流体吸収性ポリマー粒子が、少なくとも10g/gの遠心分離保持能(CRC)を有する、請求項2から8までのいずれか1項に記載の流体吸収性物品。
  10. 前記流体吸収性ポリマー粒子が、少なくとも5×10-7cm3s/gの食塩水流れ誘導性(SFC)を有する、請求項2から9までのいずれか1項に記載の流体吸収性物品。
  11. 前記コア(C)の上面面積が、少なくとも200cm2である、請求項2から10までのいずれか1項に記載の流体吸収性物品。
  12. 繊維状材料は合成繊維状材料である、請求項2から11までのいずれか1項に記載の流体吸収性物品。
JP2011521548A 2008-08-06 2009-08-03 流体吸収性物品 Active JP5933262B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8661108P 2008-08-06 2008-08-06
US61/086611 2008-08-06
PCT/EP2009/060012 WO2010015591A1 (en) 2008-08-06 2009-08-03 Fluid-absorbent articles

Publications (3)

Publication Number Publication Date
JP2011529755A JP2011529755A (ja) 2011-12-15
JP2011529755A5 true JP2011529755A5 (ja) 2012-09-13
JP5933262B2 JP5933262B2 (ja) 2016-06-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011521548A Active JP5933262B2 (ja) 2008-08-06 2009-08-03 流体吸収性物品

Country Status (5)

Country Link
US (2) US8796174B2 (ja)
EP (1) EP2313042B1 (ja)
JP (1) JP5933262B2 (ja)
CN (1) CN102170849B (ja)
WO (1) WO2010015591A1 (ja)

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