KR102592021B1 - 흡수성 물품 - Google Patents
흡수성 물품 Download PDFInfo
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- A61F2013/15544—Permeability
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- A61F2013/530708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
- A61F2013/530737—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the absorbent capacity
- A61F2013/530759—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the absorbent capacity by the osmotic feature
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
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Abstract
Description
도 2는, 본 실시형태에 관한 흡수성 물품의 일 양태를 나타내는 모식 단면도이다.
3…이온 교환수
10…실린더
11…철망
13…측벽
15…흡수성 수지 입자
17…피스톤
19…추
20…흡수성 물품
21…투액성 시트
23…흡수체
25…불투액 시트
27…흡수 코어
29…코어 랩
Claims (6)
- 흡수성 수지 입자를 포함하는 흡수체를 구비하고, 상기 흡수성 수지 입자가 하기 요건 (a), (b) 및 (c)를 충족시키는 흡수성 물품으로서,
(a) 하기 식 (1)로 나타나는 해방 복원율이 5% 이상이다.
(k2-k1)/k1×100(%) …(1)
[식 (1) 중, k1은, 메시상의 바닥부를 구비하고, 상기 바닥부에 흡수성 수지 입자 0.2g이 살포된 내경 25.4mm의 실린더를, 상기 흡수성 수지 입자 질량의 30배량의 이온 교환수를 구비하는 용기 내에 재치하여, 상기 흡수성 수지 입자에 상기 이온 교환수를 흡수시켜, 흡수 개시 1분 후부터 1.3×103Pa의 하중을 1분간 상기 흡수성 수지 입자에 가한 후의 상기 흡수성 수지 입자의 높이(mm)를 나타내며, k2는, k1 측정 시에 하중을 해방하여, 하중 해방부터 1분 후의 상기 흡수성 수지 입자의 높이(mm)를 나타낸다.]
(b) 보텍스법으로 측정되는 흡수 속도가 5초 이하이다.
(c) 생리 식염수의 보수량이 15~39g/g이다.
상기 흡수성 수지 입자의 중위 입자경이 300~700μm이며,
상기 흡수성 수지 입자가, 수용성 에틸렌성 불포화 단량체를 포함하는 단량체의 중합에 의해 얻어진 함수 젤의 함수율이 30~50질량%인 시점에서, 상기 함수 젤 표면 부분을 후가교제를 이용하여 가교함으로써 얻어진 가교 중합체를 포함하고,
상기 함수 젤의 함수율이, 다음의 식으로 산출되고,
함수율=(Ww)÷(Ww+Ws)×100[질량%]
Ww는 함수 젤의 수분량이고, Ws는 함수 젤의 고형분량인,
흡수성 물품. - 청구항 1에 있어서,
상기 흡수체 중의 상기 흡수성 수지 입자의 함유량이 50~80g/m2인, 흡수성 물품. - 청구항 1 또는 청구항 2에 있어서,
상기 흡수체의 두께가 1.2mm 이하인, 흡수성 물품. - 청구항 1 또는 청구항 2에 있어서,
상기 흡수성 물품의 두께가 2.0mm 이하인, 흡수성 물품. - 청구항 1 또는 청구항 2에 있어서,
생리 식염수의 침투 속도가 15초 이하인, 흡수성 물품. - 청구항 1 또는 청구항 2에 있어서,
상기 흡수성 수지 입자의 생리 식염수의 보수량이 29~39g/g인, 흡수성 물품.
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JP2018062079 | 2018-03-28 | ||
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PCT/JP2019/013330 WO2019189445A1 (ja) | 2018-03-28 | 2019-03-27 | 吸収性物品 |
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EP (1) | EP3777802A4 (ko) |
JP (1) | JPWO2019189445A1 (ko) |
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CN (1) | CN111902117B (ko) |
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US11931718B2 (en) | 2018-03-28 | 2024-03-19 | Sumitomo Seika Chemicals Co., Ltd. | Water-absorbing resin particles |
CN113906056A (zh) * | 2019-03-29 | 2022-01-07 | 住友精化株式会社 | 吸水性树脂和阻水材料 |
JP6990888B1 (ja) | 2021-05-12 | 2022-02-03 | 株式会社日本触媒 | ポリ(メタ)アクリル酸(塩)系吸水性樹脂、及び吸収体 |
US20240253013A1 (en) | 2021-05-12 | 2024-08-01 | Nippon Shokubai Co., Ltd. | Poly(meth)acrylic acid (salt)-based water-absorbing resin, and absorbent body |
CN116942881B (zh) * | 2023-06-25 | 2024-01-30 | 广东美登新材料科技有限公司 | 一种一次性尿隔垫的吸收体及其制备方法 |
Citations (4)
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JP2002514934A (ja) | 1994-02-17 | 2002-05-21 | ザ、プロクター、エンド、ギャンブル、カンパニー | 改良された吸収特性を有する吸収性材料を含んでなる吸収性部材 |
KR100367450B1 (ko) | 1994-02-17 | 2003-03-15 | 더 프록터 앤드 갬블 캄파니 | 개질된표면특징을갖는흡수물질및이를제조하는방법 |
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KR101763439B1 (ko) | 2009-11-27 | 2017-07-31 | 스미또모 세이까 가부시키가이샤 | 흡수성 수지 입자의 제조 방법, 흡수성 수지 입자, 지수재 및 흡수성 물품 |
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- 2019-03-27 CN CN201980021886.9A patent/CN111902117B/zh active Active
- 2019-03-27 EP EP19776641.3A patent/EP3777802A4/en not_active Withdrawn
- 2019-03-27 WO PCT/JP2019/013330 patent/WO2019189445A1/ja unknown
- 2019-03-27 SG SG11202009096RA patent/SG11202009096RA/en unknown
- 2019-03-27 US US17/040,470 patent/US20210022932A1/en not_active Abandoned
- 2019-03-27 KR KR1020207030037A patent/KR102592021B1/ko active Active
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JP2002514934A (ja) | 1994-02-17 | 2002-05-21 | ザ、プロクター、エンド、ギャンブル、カンパニー | 改良された吸収特性を有する吸収性材料を含んでなる吸収性部材 |
KR100367450B1 (ko) | 1994-02-17 | 2003-03-15 | 더 프록터 앤드 갬블 캄파니 | 개질된표면특징을갖는흡수물질및이를제조하는방법 |
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KR101763439B1 (ko) | 2009-11-27 | 2017-07-31 | 스미또모 세이까 가부시키가이샤 | 흡수성 수지 입자의 제조 방법, 흡수성 수지 입자, 지수재 및 흡수성 물품 |
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KR20200134274A (ko) | 2020-12-01 |
CN111902117B (zh) | 2022-12-27 |
WO2019189445A1 (ja) | 2019-10-03 |
EP3777802A1 (en) | 2021-02-17 |
SG11202009096RA (en) | 2020-10-29 |
CN111902117A (zh) | 2020-11-06 |
US20210022932A1 (en) | 2021-01-28 |
JPWO2019189445A1 (ja) | 2021-03-11 |
EP3777802A4 (en) | 2022-01-05 |
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