JP2009529599A - 改善されたにおい抑制効果を有する高吸収体 - Google Patents
改善されたにおい抑制効果を有する高吸収体 Download PDFInfo
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- JP2009529599A JP2009529599A JP2008558763A JP2008558763A JP2009529599A JP 2009529599 A JP2009529599 A JP 2009529599A JP 2008558763 A JP2008558763 A JP 2008558763A JP 2008558763 A JP2008558763 A JP 2008558763A JP 2009529599 A JP2009529599 A JP 2009529599A
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- Prior art keywords
- superabsorbent
- acid
- keto
- composition according
- polymerization
- Prior art date
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- 229910052700 potassium Inorganic materials 0.000 description 1
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- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
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- 239000011734 sodium Substances 0.000 description 1
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- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 description 1
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- VBOFDBONKAERAE-UHFFFAOYSA-M sodium;sulfenatooxymethanol Chemical compound [Na+].OCOS[O-] VBOFDBONKAERAE-UHFFFAOYSA-M 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
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- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- 239000002562 thickening agent Substances 0.000 description 1
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical class [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
-
- 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
- A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
- A61L2300/21—Acids
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material 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)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Dispersion Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
a)少なくとも1のエチレン性不飽和の、酸基を有するモノマー、
b)少なくとも1の架橋剤、
c)選択的に1もしくは複数の、モノマーa)と共重合可能なエチレン性および/またはアリル不飽和モノマー、および
d)選択的に、モノマーa)、b)および場合によりc)を、少なくとも部分的にその上にグラフトすることができる1もしくは複数の水溶性ポリマー
を含有するモノマー溶液の重合によって得られる。
●回分法または管型反応器中でのゲル重合およびその後の粉砕機、押出機または混練機中での粉砕、これはたとえばEP445619A2およびDE19846413A1に記載されている。
●ベルト上での重合およびその後の粉砕機、押出機または混練機中での粉砕、これはたとえばEP955086A2、DE3825366A1またはUS6241928に記載されている、
●乳化重合、その際すでにパールポリマーは比較的狭いゲル粒径分布で生じる。これはたとえばEP457660A1に記載されている、
●多くの場合、連続的な運転であらかじめ水性モノマー溶液を噴霧し、かつ引き続き光重合に供する、織布層の現場での重合、これはたとえばWO02/94328A2、WO02/94329A1に記載されている
により得られる。
●ジエポキシドおよびポリエポキシド、たとえばジグリシジル化合物またはポリグリシジル化合物、たとえばホスホン酸ジグリシジルエステル、エチレングリコールジグリシジルエーテルまたはポリアルキレングリコールのビスクロロヒドリンエーテル、
●アルコキシシリル化合物、
●ポリアジリジン、アジリジン単位を有する、ポリエーテルもしくは置換された炭化水素ベースの化合物、たとえばビス−N−アジリジノメタン、
●ポリアミンまたはポリアミドアミンならびにこれらとエピクロロヒドリンとの反応生成物、
●ポリオール、たとえばエチレングリコール、1,2−プロパンジオール、1,4−ブタンジオール、グリセリン、メチルトリグリコール、200〜10000の平均分子量Mwを有するポリエチレングリコール、ジグリセリンおよびポリグリセリン、ペンタエリトリット、ソルビット、これらのポリオールのオキシエチレートならびにこれらとカルボン酸または炭酸とのエステル、たとえばエチレンカーボネートまたはプロピレンカーボネート、
●炭酸誘導体、たとえば尿素、チオ尿素、グアニジン、ジシアンジアミド、2−オキサゾリジノンおよびこれらの誘導体、ビスオキサゾリン、ポリオキサゾリン、ジイソシアネートおよびポリイソシアネート、
●ジ−N−メチロール化合物およびポリ−N−メチロール化合物、たとえばメチレンビス(N−メチロールメタクリルアミド)またはメラミン−ホルムアルデヒド樹脂、
●2もしくはそれ以上のブロックトイソシアネート基を有する化合物、たとえば2,2,3,6−テトラメチルピペリジノン−4によりブロックされたトリメチルヘキサメチレンジイソシアネート。
i)少なくとも1のケト酸と高吸収体とを混合する工程、
ii)高吸収体と少なくとも1のケト酸とを一緒に粉砕する工程、
iii)少なくとも1のケト酸を、場合により溶剤中に溶解して、高吸収体上に噴霧する工程、および/または
iv)少なくとも1のモノマーの重合によって製造された高吸収体において、少なくとも1のケト酸をモノマー溶液に添加するか、または重合の間に反応混合物に添加する工程。
遠心保持能力(CRC、Centrifuge Retention Capacity):
遠心保持能力(CR)を、EDANA(European Disposables and Nonwovens Association、Avenue Eugene Plasky 157、1030ブリュッセル、ベルギー)により推奨され、かつここから得られる試験法第441.2−02、「遠心保持能力」により測定する。
本発明による組成物のにおい抑制効果の評価のために、尿素からアンモニアを形成する際のウレアーゼの活性の抑制を測定する。測定は室温で行う。試験物質(高吸収体、本発明による組成物)2gを、100mlのエルレンマイヤーフラスコ中に秤量する。固体のウレアーゼ(ナタマメ由来、凍結乾燥、血清中尿素の測定のため5U/mg、Merck、Artikelnr.4194753)30gを100mlのガラスビーカーに秤量する。ウレアーゼに、尿素(8.56g/L)を溶解した0.9%濃度の食塩溶液50mlを添加する。ガラスビーカーの全内容物を直ちにエルレンマイヤーフラスコ中の試料に注ぎ、拡散管(ドレーガー(Draeger)管、アンモニア20/a−D、20〜1500ppm*h、注文番号8101301)を予定どおりに破壊して開け、エルレンマイヤーフラスコに適合したゴム栓に差し込み、かつ拡散管の開放端が内側を向くように、エルレンマイヤーフラスコを栓で密閉する。合計して6時間にわたり、拡散管に表示される値を30分ごとに読み取り、記録する。測定はそのつど、二重測定として実施し、結果として、最も近い整数値に平均した両方の読み取り値を使用する。
以下の実施例において使用される、表面後架橋された高吸収体は、WO01/038402A1の例1の方法で製造したものだが、ただし72モル%(77モル%ではなく)の中和度および106〜850μm(<800μmではなく)のふるい画分を有していた。使用されるケト酸の質量パーセントの記載は、使用される高吸収体の量に対するものである。
高吸収体をケト酸の添加なしで試験した。
高吸収体を、50質量%のグリオキシル酸水溶液の相応する量を撹拌下に噴霧することによって、市販のキッチン用装置中で、グリオキシル酸1.5質量%と混合した。
高吸収体を、50質量%のグリオキシル酸水溶液の相応する量を撹拌下に噴霧することによって、市販のキッチン用装置中で、グリオキシル酸3.0質量%と混合した。
高吸収体を、50質量%のグリオキシル酸水溶液の相応する量を撹拌下に噴霧することによって、市販のキッチン用装置中で、グリオキシル酸6.0質量%と混合した。
高吸収体を、揺動式ミキサー中で約20分間揺動することによって、微粉砕された2−ケト−L−グロン酸0.5質量%と混合した。
高吸収体を、揺動式ミキサー中で約20分間揺動することによって、微粉砕された2−ケト−L−グロン酸1.0質量%と混合した。
高吸収体を、揺動式ミキサー中で約20分間揺動することによって、微粉砕された2−ケト−L−グロン酸3.0質量%と混合した。
高吸収体を、揺動式ミキサー中で約20分間揺動することによって、微粉砕された2−オキソグルタル酸0.5質量%と混合した。
高吸収体を、揺動式ミキサー中で約20分間揺動することによって、微粉砕された2−オキソグルタル酸1.0質量%と混合した。
高吸収体を、揺動式ミキサー中で約20分間揺動することによって、微粉砕された2−オキソグルタル酸3.0質量%と混合した。
そのつど例2(ケト−L−グロン酸1.0質量%)および例3(ケト−L−グロン酸3.0質量%)による高吸収体1.0gを、生理食塩溶液(水中のNaCl0.9質量%の溶液)100ml中に懸濁させ、かつ菌懸濁液をそのつど0.1ml添加した。室温で10分間、4時間および8時間のインキュベーション時間後に、試料を取り出し、かつコロニー形成単位の数(通常英語では"colony forming units"、略して「cfu」とよばれる)を測定した。以下の3種類の菌懸濁液を記載の出発濃度で使用した:
大腸菌 1.6・106cfu/ml、
黄色ブドウ球菌 2.2・106cfu/ml、
プロテウス・ミラビリス 1.4・106cfu/ml。
Claims (13)
- 高吸収体および少なくとも1のケト酸を含有する組成物。
- 少なくとも1のα−ケト酸を含有することを特徴とする、請求項1記載の組成物。
- 2−ケト−L−グロン酸および/または2−ケト−グルタル酸を含有することを特徴とする、請求項2記載の組成物。
- ケト酸の量が、高吸収体の量に対して0.005〜15質量%であることを特徴とする、請求項1から3までのいずれか1項記載の組成物。
- 高吸収体が、部分的に中和されたアクリル酸をベースとする架橋したポリマーであることを特徴とする、請求項1から4までのいずれか1項記載の組成物。
- 高吸収体が、表面後架橋されていることを特徴とする、請求項1から5までのいずれか1項記載の組成物。
- 請求項1から6までのいずれか1項記載の組成物の製造方法において、高吸収体の製造の際に、以下の工程
i)少なくとも1のケト酸を添加混合する工程、
ii)高吸収体と少なくとも1のケト酸とを一緒に粉砕する工程、
iii)少なくとも1のケト酸を、場合により溶剤中に溶解して、高吸収体上に噴霧する工程、および/または
iv)少なくとも1のモノマーの重合によって製造された高吸収体において、少なくとも1のケト酸をモノマー溶液に添加するか、または重合の間に反応混合物に添加する工程
の少なくとも1つを実施することを特徴とする、請求項1から6までのいずれか1項記載の組成物の製造方法。 - 請求項1から6までのいずれか1項記載の組成物を含有する衛生用品。
- 重度および/または軽度の失禁において使用するための、請求項8記載の衛生用品。
- 衛生用品の製造方法において、製造の際に請求項1から6までのいずれか1項記載の少なくとも1の組成物を使用することを特徴とする、衛生用品の製造方法。
- 不快なにおいを低減または回避するためのケト酸の使用。
- アンモニアによって生じる不快なにおいを低減または回避することを特徴とする、請求項11記載の使用。
- α−ケト酸を使用することを特徴とする、請求項11または12記載の使用。
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EP06110962.5 | 2006-03-10 | ||
EP06110962 | 2006-03-10 | ||
PCT/EP2007/051868 WO2007104641A2 (de) | 2006-03-10 | 2007-02-28 | Superabsorber mit verbesserter geruchsinhibierung |
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JP2009529599A true JP2009529599A (ja) | 2009-08-20 |
JP5108792B2 JP5108792B2 (ja) | 2012-12-26 |
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US (1) | US20090012488A1 (ja) |
EP (1) | EP1996242B1 (ja) |
JP (1) | JP5108792B2 (ja) |
CN (1) | CN101400380B (ja) |
AT (1) | ATE505214T1 (ja) |
DE (1) | DE502007006942D1 (ja) |
WO (1) | WO2007104641A2 (ja) |
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JP2013511608A (ja) * | 2009-11-23 | 2013-04-04 | ビーエーエスエフ ソシエタス・ヨーロピア | 色安定性が改善された吸水性ポリマー粒子の製造方法 |
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DE102007007203A1 (de) * | 2007-02-09 | 2008-08-14 | Evonik Stockhausen Gmbh | Wasserabsorbierendes Polymergebilde mit hoher Ammoniak-Bindekapazität |
US9517289B2 (en) * | 2007-12-12 | 2016-12-13 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and method for producing the same |
WO2009080611A2 (en) * | 2007-12-19 | 2009-07-02 | Basf Se | Process for producing surface-crosslinked superabsorbents |
WO2010012762A2 (de) * | 2008-07-31 | 2010-02-04 | Basf Se | Farbstabiler superabsorber |
US8410233B2 (en) * | 2008-08-12 | 2013-04-02 | Basf Se | Method for producing superabsorbers with a low residual monomer content |
US20100247916A1 (en) * | 2009-03-24 | 2010-09-30 | Basf Se | Process for Producing Surface Postcrosslinked Water-Absorbing Polymer Particles |
US9962459B2 (en) * | 2010-07-02 | 2018-05-08 | Basf Se | Ultrathin fluid-absorbent cores |
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 |
EP2781259B1 (en) | 2011-11-15 | 2021-07-07 | Nippon Shokubai Co., Ltd. | Water absorbent composition and method for producing same, as well as storage and stocking method for same |
US20130130895A1 (en) * | 2011-11-22 | 2013-05-23 | Basf Se | Superabsorbent Comprising Pyrogenic Aluminum Oxide |
WO2013182469A2 (en) | 2012-06-08 | 2013-12-12 | Basf Se | Odour-control superabsorbent |
GB2514792A (en) * | 2013-06-04 | 2014-12-10 | Ultra Materia Internat | TC-Met-N-BG polymer additive |
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- 2007-02-28 JP JP2008558763A patent/JP5108792B2/ja not_active Expired - Fee Related
- 2007-02-28 CN CN200780008591.5A patent/CN101400380B/zh not_active Expired - Fee Related
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EP1996242A2 (de) | 2008-12-03 |
US20090012488A1 (en) | 2009-01-08 |
CN101400380A (zh) | 2009-04-01 |
WO2007104641A2 (de) | 2007-09-20 |
JP5108792B2 (ja) | 2012-12-26 |
ATE505214T1 (de) | 2011-04-15 |
EP1996242B1 (de) | 2011-04-13 |
WO2007104641A3 (de) | 2008-06-12 |
CN101400380B (zh) | 2013-04-17 |
DE502007006942D1 (de) | 2011-05-26 |
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