JP2012213516A5 - - Google Patents

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Publication number
JP2012213516A5
JP2012213516A5 JP2011080894A JP2011080894A JP2012213516A5 JP 2012213516 A5 JP2012213516 A5 JP 2012213516A5 JP 2011080894 A JP2011080894 A JP 2011080894A JP 2011080894 A JP2011080894 A JP 2011080894A JP 2012213516 A5 JP2012213516 A5 JP 2012213516A5
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JP
Japan
Prior art keywords
nonwoven fabric
resistance value
kpa
sheet
layer sheet
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JP2011080894A
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Japanese (ja)
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JP2012213516A (en
JP5818483B2 (en
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Priority claimed from JP2011080894A external-priority patent/JP5818483B2/en
Priority to JP2011080894A priority Critical patent/JP5818483B2/en
Priority to TW101109497A priority patent/TWI603720B/en
Priority to ARP120101048A priority patent/AR085729A1/en
Priority to EP12730353.5A priority patent/EP2525757A4/en
Priority to PCT/JP2012/002204 priority patent/WO2012132460A1/en
Publication of JP2012213516A publication Critical patent/JP2012213516A/en
Publication of JP2012213516A5 publication Critical patent/JP2012213516A5/ja
Publication of JP5818483B2 publication Critical patent/JP5818483B2/en
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Description

この発明の実施態様の一つにおいて、前記2枚のシート片のうちの少なくとも一方のシート片が、熱可塑性合成繊維の不織布および熱可塑性合成樹脂の開孔フィルムのいずれかで形成され、前記一方のシート片は、その通気抵抗値が0.40〜0.04KPa*s/mの範囲にある。ただし、sはsecond、mはmeterを意味する。 In one embodiment of the present invention, at least one of the two sheet pieces is formed of any one of a thermoplastic synthetic fiber non-woven fabric and a thermoplastic synthetic resin perforated film, The sheet piece has a ventilation resistance value in the range of 0.40 to 0.04 KPa * s / m . However, s means second and m means meter.

物品1ではまた、第1接合域6における高吸水性ポリマー粒子4の全量が下層シート3の内面3aに接合して固定されていることが好ましいが、下層シート3に接合していない高吸水性ポリマー粒子4が下層シート3と上層シート2との間を動き得る状態で第1接合域6に混在していてもこの発明を実施することが可能である。高吸水性ポリマー粒子4をこのような状態で第1接合域6に収容しておくために、不織布で形成されている場合の上層シート2と下層シート3とは、高吸水性ポリマー粒子4が不織布における繊維間隙に容易に進入したり、繊維間隙を容易に通過したりすることのできないものであることが好ましい。そのような不織布を選ぶには、不織布の上に高吸水性ポリマー粒子4を散布した状態で振動を与え、粒子4がその不織布における繊維間隙に進入することのないことを目視によって確認すればよい。ただし、このようにして不織布を選ぶことに代えて、通気抵抗値が0.40〜0.04KPa*s/m、より好ましくは0.30〜0.05KPa*s/mの範囲にある不織布を選んで使用してもよい。ここで、sはsecond、mはmeterを意味している。不織布は、通気抵抗値が高くなるほど不織布を形成している繊維どうしの間隙が小さくなる傾向にある。不織布を選ぶときの指標となる通気抵抗値は、(株)カトーテック製のKES−FB 通気性試験機を使用して測定される値である。 In the article 1, it is also preferable that the total amount of the superabsorbent polymer particles 4 in the first joining region 6 is joined and fixed to the inner surface 3 a of the lower sheet 3, but the superabsorbent that is not joined to the lower sheet 3. The present invention can be implemented even if the polymer particles 4 are mixed in the first joining region 6 in a state where the polymer particles 4 can move between the lower layer sheet 3 and the upper layer sheet 2. In order to store the highly water-absorbing polymer particles 4 in the first joining region 6 in such a state, the upper-layer sheet 2 and the lower-layer sheet 3 in the case where they are formed of a nonwoven fabric, It is preferable that the nonwoven fabric cannot easily enter the fiber gap or pass through the fiber gap easily. In order to select such a non-woven fabric, it is only necessary to visually confirm that the particles 4 do not enter the fiber gaps in the non-woven fabric by applying vibration while the superabsorbent polymer particles 4 are dispersed on the non-woven fabric. . However, instead of selecting the nonwoven fabric in this way, the airflow resistance value is in the range of 0.40 to 0.04 KPa * s / m , more preferably 0.30 to 0.05 KPa * s / m. A nonwoven fabric may be selected and used. Here, s means second and m means meter. In the nonwoven fabric, the gap between the fibers forming the nonwoven fabric tends to decrease as the ventilation resistance value increases. The airflow resistance value, which is an index when selecting a nonwoven fabric, is a value measured using a KES-FB air permeability tester manufactured by Kato Tech Co., Ltd.

このように形成されている第1上層シート21と第1下層シート31それぞれの通気抵抗値は、5枚のシートについての平均値が0.0595KPa*s/mであり、第2上層シート22の通気抵抗値の平均値は0.0176KPA*s/mであった。 Each of the first upper layer sheet 21 and the first lower layer sheet 31 formed in this manner has an airflow resistance value of 0.0595 KPa * s / m for the five sheets, and the second upper layer sheet 22. The average value of the airflow resistance value was 0.0176 KPA * s / m .

Claims (1)

前記2枚のシート片のうちの少なくとも一方のシート片が、熱可塑性合成繊維の不織布および熱可塑性合成樹脂の開孔フィルムのいずれかで形成され、前記一方のシート片は、その通気抵抗値が0.40〜0.04KPa*s/mの範囲にある請求項1〜7のいずれかに記載の物品。
At least one of the two sheet pieces is formed of any one of a thermoplastic synthetic fiber nonwoven fabric and a thermoplastic synthetic resin perforated film, and the one sheet piece has a ventilation resistance value. The article according to any one of claims 1 to 7, which is in the range of 0.40 to 0.04 KPa * s / m .
JP2011080894A 2011-03-31 2011-03-31 Water-absorbing articles Active JP5818483B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2011080894A JP5818483B2 (en) 2011-03-31 2011-03-31 Water-absorbing articles
TW101109497A TWI603720B (en) 2011-03-31 2012-03-20 Absorbent articles
ARP120101048A AR085729A1 (en) 2011-03-31 2012-03-28 ABSORBENT WATER ARTICLE
PCT/JP2012/002204 WO2012132460A1 (en) 2011-03-31 2012-03-29 Water-absorbent article
EP12730353.5A EP2525757A4 (en) 2011-03-31 2012-03-29 Water-absorbent article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011080894A JP5818483B2 (en) 2011-03-31 2011-03-31 Water-absorbing articles

Publications (3)

Publication Number Publication Date
JP2012213516A JP2012213516A (en) 2012-11-08
JP2012213516A5 true JP2012213516A5 (en) 2014-04-17
JP5818483B2 JP5818483B2 (en) 2015-11-18

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JP2011080894A Active JP5818483B2 (en) 2011-03-31 2011-03-31 Water-absorbing articles

Country Status (5)

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EP (1) EP2525757A4 (en)
JP (1) JP5818483B2 (en)
AR (1) AR085729A1 (en)
TW (1) TWI603720B (en)
WO (1) WO2012132460A1 (en)

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