JP6124875B2 - 吸水性複合材料 - Google Patents
吸水性複合材料 Download PDFInfo
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- JP6124875B2 JP6124875B2 JP2014510770A JP2014510770A JP6124875B2 JP 6124875 B2 JP6124875 B2 JP 6124875B2 JP 2014510770 A JP2014510770 A JP 2014510770A JP 2014510770 A JP2014510770 A JP 2014510770A JP 6124875 B2 JP6124875 B2 JP 6124875B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- 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
- 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
- A61F2013/530583—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 form
- A61F2013/530649—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 form in sponge or foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0242—Acrylic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymerisation Methods In General (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
Description
本発明は、吸水性複合材料の製造方法であって、酸基を有する少なくとも1種のモノエチレン性不飽和モノマー、少なくとも1種の架橋剤、少なくとも1種の開始剤及び少なくとも1種の界面活性剤を含む水性混合物を発泡成形する工程、得られた発泡体とウェブとを接触させる工程及び重合させる工程を含む前記製造方法、その複合材料自体、並びにそれらを水性液体の吸収に用いる使用に関する。
a)酸基を有し且つ少なくとも10モル%中和された、10〜95質量%のモノエチレン性不飽和モノマー、
b)任意に更に50質量%までの他のモノエチレン性不飽和モノマー、
c)0.001〜20質量%の架橋剤、
d)開始剤、
e)0.01〜20質量%の少なくとも1種の界面活性剤、
f)任意に可溶化剤及び
g)任意に増粘剤、気泡安定剤、重合調整剤、充填剤、繊維及び/又はセル成核剤
(全て混合物の全量を基準とする)
を含む、水性混合物を発泡形成することを含む。この水性重合性混合物も「モノマー混合物」又は「モノマー溶液」と呼ばれてよい。
測定は、特段記載されない限り、23±2℃の周囲温度及び50±10%の相対湿度で実施されるべきである。
吸水性複合材料の自由膨潤能(free swell capacity)をDIN ISO 17190−5により測定する。
吸水性複合材料の遠心保持能をDIN ISO 17190−6により測定する。
実施例1〜4
磁気撹拌機を用いて、以下の成分をガラスビーカー内で一緒に混合した:
209.13gのアクリル酸
81.31gの37.3%のアクリル酸ナトリウムの水溶液
16.8gのポリエチレングリコールジアクリレート400
25.60gの15%の、1モルの直鎖状飽和C16〜C18脂肪アルコールへの80モルのエチレンオキシドの付加生成物の水溶液
26.62gの水。
反応混合物の固体含有率:81.35%
中和度:60モル%
モノマー発泡体密度:0.24gcm−3
発泡体の構造:均一で、完全なオープンセル、スキン層なし
実施例1〜4の手順を繰り返した。モノマー発泡体の半分を、ポリエステルウェブが導入される前にガラス板に適用した。
Claims (14)
- 少なくとも1つの吸水性発泡体層と少なくとも1つのウェブ層を含む吸水性複合材料であって、前記ウェブが合成繊維から構成され且つ200g/m2以下の坪量及び5mm以下の厚さを有し、前記合成繊維がポリエチレン、ポリプロピレン、ポリブチレンテレフタレート、ポリアミド、ポリエチレンテレフタレート、ポリエステル、ポリスルホン及び/又はポリエーテルケトンから構成されるか又は炭素又はガラス繊維から構成される、前記吸水性複合材料。
- 発泡体にウェブが完全に貫通している、請求項1に記載の複合材料。
- ウェブに発泡体が完全に貫通している、請求項1に記載の複合材料。
- 発泡体が少なくとも1つの酸基を有する少なくとも1種の重合したモノエチレン性不飽和モノマーを含む、請求項1から3までのいずれか1項に記載の複合材料。
- 重合したモノエチレン性不飽和モノマーの酸基が少なくとも部分的に中和した状態である、請求項4に記載の複合材料。
- 発泡体が少なくとも1種の重合した架橋剤を含む、請求項1から5までのいずれか1項に記載の複合材料。
- ウェブがポリエステル繊維からなる、請求項1から6までのいずれか1項に記載の複合材料。
- ウェブが機械的に及び/又は熱的に固められている、請求項1から7までのいずれか1項に記載の複合材料。
- 発泡体が少なくとも1種の多価カチオンの塩で被覆されている、請求項1から8までのいずれか1項に記載の複合材料。
- 請求項1から9までのいずれか1項に記載の複合材料の製造方法であって、酸基を有する少なくとも1種のモノエチレン性不飽和モノマー、少なくとも1種の架橋剤、少なくとも1種の開始剤及び少なくとも1種の界面活性剤を含む水性混合物を発泡成形する工程、得られた発泡体と、200g/m2以下の坪量及び5mm以下の厚さを有する合成繊維のウェブとを接触させる工程、及び重合させる工程を含む前記製造方法。
- 複合材料が重合後に少なくとも1種の多価カチオンの塩で被覆されている、請求項10に記載の方法。
- 複合材料の水分が1質量%と60質量%との間の値に調整される、請求項10又は11に記載の方法。
- 請求項1から9までのいずれか1項に記載の複合材料を、水性液体を吸収するための物品に用いる使用。
- 請求項1から9までのいずれか1項に記載の複合材料を含む物品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161487302P | 2011-05-18 | 2011-05-18 | |
US61/487,302 | 2011-05-18 | ||
PCT/EP2012/058965 WO2012156385A1 (en) | 2011-05-18 | 2012-05-15 | Water-absorbing composites |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014519425A JP2014519425A (ja) | 2014-08-14 |
JP6124875B2 true JP6124875B2 (ja) | 2017-05-10 |
Family
ID=46125433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014510770A Active JP6124875B2 (ja) | 2011-05-18 | 2012-05-15 | 吸水性複合材料 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9198996B2 (ja) |
EP (1) | EP2709683A1 (ja) |
JP (1) | JP6124875B2 (ja) |
CN (1) | CN103561784B (ja) |
WO (1) | WO2012156385A1 (ja) |
Families Citing this family (8)
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US9265855B2 (en) * | 2011-05-18 | 2016-02-23 | The Procter & Gamble Company | Feminine hygiene absorbent article comprising a superabsorbent foam of high swell rate |
US9149556B2 (en) * | 2011-05-18 | 2015-10-06 | The Procter & Gamble Company | Feminine hygiene absorbent articles comprising water-absorbing composites |
DE102011117127A1 (de) * | 2011-10-28 | 2013-05-02 | Basf Se | Flüssigkeiten aufnehmende und Flüssigkeiten speichernde Polymere, insbesondere Pfropfpolymere, Verfahren zu deren Herstellung sowie deren Verwendung |
US20150374561A1 (en) * | 2014-06-27 | 2015-12-31 | The Procter & Gamble Company | Heterogeneous mass containing foam |
KR101782501B1 (ko) * | 2014-12-10 | 2017-09-27 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
BR112018008633B1 (pt) * | 2015-11-03 | 2022-11-29 | Kimberly-Clark Worldwide, Inc | Espuma compósita absorvente, laminado multicamadas, produto de limpeza embalado e artigo absorvente de cuidado pessoal |
WO2017079169A1 (en) | 2015-11-03 | 2017-05-11 | Kimberly-Clark Worldwide, Inc. | Paper tissue with high bulk and low lint |
CN110453375A (zh) * | 2019-08-06 | 2019-11-15 | 深圳全棉时代科技有限公司 | 一种气刺生产非织造布的方法 |
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CN101868336B (zh) * | 2007-11-15 | 2014-03-26 | 巴斯夫欧洲公司 | 表面具有图形符号的超吸收性泡沫 |
GB2467554A (en) * | 2009-02-04 | 2010-08-11 | Systagenix Wound Man Ip Co Bv | A wound dressing material featuring polyurethane foam integrated into a solid substrate |
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2012
- 2012-05-15 CN CN201280023425.3A patent/CN103561784B/zh not_active Expired - Fee Related
- 2012-05-15 JP JP2014510770A patent/JP6124875B2/ja active Active
- 2012-05-15 WO PCT/EP2012/058965 patent/WO2012156385A1/en active Application Filing
- 2012-05-15 EP EP12722119.0A patent/EP2709683A1/en not_active Withdrawn
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WO2012156385A1 (en) | 2012-11-22 |
EP2709683A1 (en) | 2014-03-26 |
CN103561784B (zh) | 2016-12-07 |
JP2014519425A (ja) | 2014-08-14 |
US20140158626A1 (en) | 2014-06-12 |
US9198996B2 (en) | 2015-12-01 |
CN103561784A (zh) | 2014-02-05 |
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