JP6391696B2 - 臭気制御材料を備える吸収性製品 - Google Patents
臭気制御材料を備える吸収性製品 Download PDFInfo
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- JP6391696B2 JP6391696B2 JP2016541025A JP2016541025A JP6391696B2 JP 6391696 B2 JP6391696 B2 JP 6391696B2 JP 2016541025 A JP2016541025 A JP 2016541025A JP 2016541025 A JP2016541025 A JP 2016541025A JP 6391696 B2 JP6391696 B2 JP 6391696B2
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Description
(実施例1)活性炭粒子の比表面積
この試験は、水溶性バインダー物質で覆われた活性炭粒子の比表面積を、試料を濡らす前と試料を濡らした後とで比較するために行われた。また、水溶性バインダー物質を有していない試料も測定された。活性炭粒子の比表面積は、他の物質との吸着および/または相互作用のために利用可能であるバインダー物質の面積を決定する。ここでいう比表面積は、BET−表面積として定義される。BET−理論は、固体表面に対する気体分子の吸着を説明し、および第1の層の吸着のためのエネルギーに関する仮定に基づく。脱着後の気体の体積を測定することによって、比表面積は計算される。その方法は、Brunauer、Emmett、及びTellerによって確立された。当業者は、測定を実行するための慣用の計器を知っているであろう。
1. バインダー物質を有していない活性炭粒子。
2. 水溶性バインダー物質で覆われた活性炭粒子。水溶性物質は、分子量が40kDaであるポリビニルピロリドンである。
3. 水溶性バインダー物質で覆われた活性炭粒。水溶性物質は、分子量が40kDaであるポリビニルピロリドンである。試料が水溶性バインダー物質で覆われた後、試料が濡らされた。濡らす手順は次のとおりである: 摂氏35度の温度の0.9%の食塩水50mlを試料の上に慎重に注いで水分吸収によって濾過される。湿式フィルターを有するブフナー漏斗が使用される。次に、試料を有するフィルターが、摂氏80度のオーブン内で24時間、乾燥させる。その後、試料が粉砕される。
この試験は、1分間にどのくらいのバインダー物質が、調整された食塩水中に溶解されたかを調べるために行われた。
食塩水、温度35−37℃、
ボルテックス装置 IK MS2、速度1500rpm、
試験管15ml、
フィルター紙、2層、Tork 23g/m2、
漏斗、
バインダー物質、厚さ300−2000pm、50重量%の活性炭を有する。
実施例3における臭気制御粒子は活性炭粒子であった。臭気制御材料は、キャリア材料の第2の表面が吸収性コアに面してキャリア材料が第2の表面に結合された活性炭粒子を有する状態で、吸収性コアの上に置かれた。したがって、実施例3における比表面積(m2/g)は、材料の総重量の1グラム(g)当たりの炭素粒子の表面積(m2)である。実施例3における材料の総重量は、臭気制御材料の重量と吸収性コアの重量との合計である。吸収性コアは、セルロース繊維及び超吸収性粒子から構成され、吸収性コアの重量は約990g/m2であった。
(試料1)
吸収性コア及び臭気制御材料、ここで、活性炭の粒子がキャリア材料の第2の表面に水不溶性バインダー物質で結合されている。
吸収性コア及び臭気制御材料、ここで、活性炭の粒子がキャリア材料の第2の表面に水溶性バインダー物質で結合されている。水溶性バインダー物質は、分子量が40kDaである分子量のポリビニルピロリドンである。
製品の厚さ方向における臭気制御材料の位置(バックシートの近く、吸収性コア内の2つの層間の製品の中央、またはトップシートの直下)が臭気抑制にどのように影響を与えるかを調べるために、官能評価が行われた。
1. 臭気制御材料を備えない失禁用パッド(参照)
2. バックシートの真上に臭気制御材料を備える失禁用パッド
3. 吸収性コア内の層間に臭気制御材料を備える失禁用パッド
4. トップシートの真下に臭気制御材料を備える失禁用パッド
キャリア材料は、第1の表面と反対側の第2の表面とを有する。臭気抑制は、第1の表面および第2の表面に結合された活性炭を有するキャリア材料に関して測定された。また、臭気抑制は、キャリア材料の第2の表面のみに活性炭を備えるキャリア材料に関して測定された。また、臭気抑制は、臭気制御材料を備えない失禁用パッドに関して測定された。
1. 臭気制御材料を備えない失禁用パッド(参照)
2. 両面に活性炭がコーティングされた発泡体を備える失禁用パッド
3. 片面のみに活性炭がコーティングされた発泡体を備える失禁用パッド
2 キャリア材料
3 第1の表面
4 第2の表面
5 臭気制御粒子
8 バックシート
9 吸収性コア
10 縁接合部
11 長手側縁
12 長手側縁
13 前端縁
14 後端縁
15 前端部分
16 股部分
17 後端部分
18 弾性要素
19 弾性要素
20 第1の吸収性層
21 第2の吸収性層
22 第1の表面
23 第2の表面
24 トップシート
Claims (15)
- 液体透過性表面と反対側の液体不透過性表面とを有する吸収性製品(200)であって、前記吸収性製品(200)が、キャリア材料(2)と前記キャリア材料(2)に接着された複数の臭気制御粒子(5)とを含む臭気制御材料(1)を備え、前記吸収性製品(200)が、液体透過性のトップシート(24)、液体不透過性のバックシート(8)、及び前記トップシート(24)と前記バックシート(8)との間に封入された吸収性コア(9)を備える吸収性製品(200)において、前記臭気制御材料(1)が、前記トップシート(24)と前記吸収性コア(9)との間に位置し、前記キャリア材料(2)は、前記吸収性製品(200)の前記液体透過性表面の方に位置する第1の表面と、前記吸収性コア(9)の方に位置する反対側の第2の表面とを有しており、複数の臭気制御粒子(5)が、活性炭で構成され、且つ、水溶性のバインダー物質で前記キャリア材料(2)の第2の表面に結合されており、前記バインダー物質は、水溶液に接触したときに少なくとも部分的に溶解し、
前記複数の臭気制御粒子は、前記キャリア材料の前記第2の表面上にのみあることを特徴とする、吸収性製品(200)。 - 前記水溶性のバインダーが、40kDa以下の分子量を有することを特徴とする、請求項1に記載の吸収性製品(200)。
- 前記水溶性のバインダーが、親水性ポリマーを含むことを特徴とする、請求項2に記載の吸収性製品(200)。
- 前記親水性ポリマーが、ポリビニルピロリドン、ポリエチレンオキシドポリアクリル酸、澱粉、または澱粉の誘導体であることを特徴とする、請求項3に記載の吸収性製品(200)。
- 前記水溶性のバインダーが、親水性の低分子量化合物を含むことを特徴とする、請求項2〜4の何れか一項に記載の吸収性製品(200)。
- 前記親水性の低分子量化合物が、単糖類、二糖類、糖アルコール類、またはポリオール類であることを特徴とする、請求項5に記載の吸収性製品(200)。
- 前記キャリア材料(2)の前記第1の表面が界面活性剤で処理されることを特徴とする、請求項1から6の何れか一項に記載の吸収性製品(200)。
- 前記水溶性のバインダー物質が、添加剤を含むことを特徴とする、請求項1から7の何れか一項に記載の吸収性製品(200)。
- 前記添加剤が、可塑剤、安定剤、分散性改善剤、pH調整剤、抗菌物質、界面活性剤、又はそれらの混合物であることを特徴とする、請求項8に記載の吸収性製品(200)。
- バインダー物質対臭気制御粒子(5)の重量比が、1:10から10:1であることを特徴とする、請求項1から9の何れか一項に記載の吸収性製品(200)。
- 前記キャリア材料(2)が不織布材料であることを特徴とする、請求項1から10の何れか一項に記載の吸収性製品(200)。
- 前記キャリア材料(2)が発泡体材料であることを特徴とする、請求項1から10の何れか一項に記載の吸収性製品(200)。
- 前記臭気制御材料(1)が、前記吸収性製品(200)の水平面における総表面積の5〜100%を覆うことを特徴とする、請求項1から12の何れか一項に記載の吸収性製品(200)。
- 前記臭気制御材料(1)が、前記吸収性製品(200)の水平面における総表面積の5〜60%を覆うことを特徴とする、請求項1から13の何れか一項に記載の吸収性製品(200)。
- 前記キャリア材料(2)が、複数の開口を設けるために、穿孔され、又はスリットが入れられていることを特徴とする、請求項1から14の何れか一項に記載の吸収性製品(200)。
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CN105828776B (zh) | 2013-12-20 | 2019-09-03 | 易希提卫生与保健公司 | 包含气味控制材料的吸收性产品 |
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EP3515387B1 (en) * | 2016-09-22 | 2020-07-22 | Essity Hygiene and Health Aktiebolag | Absorbent article with ph controlled topsheet |
BR112022007916A2 (pt) * | 2019-11-12 | 2022-07-12 | Essity Hygiene & Health Ab | Almofada absorvente e métodos para produzir uma almofada absorvente |
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