JP2016516564A - 多孔質吸収性構造を形成するための組成物 - Google Patents
多孔質吸収性構造を形成するための組成物 Download PDFInfo
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Abstract
Description
Claims (28)
- 多孔質吸収性構造の形成方法であって、
約10,000cps未満の粘度を有する超吸収性ポリマー材料を提供するステップと、
吸収性粒子を前記超吸収性ポリマー材料に加えて、超吸収性ポリマー材料と吸収性粒子との重量比率が3:1より大きくなるような混合物を形成するステップと、
超吸収性ポリマー材料および吸収性粒子の前記混合物をフォームにスプレーするステップと、
前記混合物を乾燥し、前記フォームの形状に実質的に適合する多孔質吸収性構造を生成するステップと、を含む方法。 - 前記超吸収性ポリマー材料が、約1000ppm未満の残留モノエチレン性不飽和モノマーを有する、請求項1に記載の方法。
- 前記フォームが人の体の少なくとも一部である、請求項1に記載の方法。
- 前記フォームが、不織布材料、織物材料、紙、フィルム、またはそれらの組み合わせからなる群から選択される、請求項1に記載の方法。
- 前記多孔質吸収性構造を前記フォームから取り外すステップをさらに含む、請求項1に記載の方法。
- 前記モノエチレン性不飽和モノマーがアクリル酸である、請求項1に記載の方法。
- 前記吸収性粒子が有機粒子である、請求項1に記載の方法。
- 前記吸収性粒子の長さの幅に対する平均比率が約5未満である、請求項1に記載の方法。
- 前記混合物を乾燥するステップが、前記混合物を乾燥して、前記超吸収性ポリマー材料に架橋を誘導し、前記フォームの前記形状に実質的に適合する多孔質吸収性構造を生成することをさらに含む、請求項1に記載の方法。
- 前記吸収性粒子が20マイクロメートルより大きな平均長さを有する、請求項1に記載の方法。
- 前記混合物内の超吸収性ポリマー材料と吸収性粒子との重量比率が、約6:1未満である、請求項1に記載の方法。
- 前記混合物内の超吸収性ポリマー材料と吸収性粒子との重量比率が、3.5:1より大きい、請求項11に記載の方法。
- 吸収性粒子を前記超吸収性ポリマー材料に加えるステップが、前記超吸収性ポリマー材料が前記吸収性粒子を実質的にコーティングすることをさらに含む、請求項1に記載の方法。
- 多孔質吸収性構造であって、
約10,000cps未満の粘度を有する超吸収性ポリマー材料を提供するステップと、
吸収性粒子を前記超吸収性ポリマー材料に加えて混合物を形成するステップであって、前記混合物内の超吸収性ポリマー材料と吸収性粒子との重量比率が3:1より大きく、約6:1未満であるステップと、
超吸収性ポリマー材料と吸収性粒子との前記混合物をフォームに塗布するステップと、
前記混合物を乾燥し、前記フォームの形状に実質的に適合する多孔質吸収性構造を生成するステップと、を含む方法によって形成される多孔質吸収性構造。 - 前記超吸収性ポリマー材料が、約1000ppm未満の残留モノエチレン性不飽和モノマーを有する、請求項14に記載の多孔質吸収性構造。
- 前記フォームが人の体の少なくとも一部である、請求項14に記載の多孔質吸収性構造。
- 前記フォームが、不織布材料、織物材料、紙、フィルム、またはそれらの組み合わせからなる群から選択される、請求項14に記載の多孔質吸収性構造。
- 前記多孔質吸収性構造を前記フォームから取り外すステップをさらに含む、請求項14に記載の多孔質吸収性構造。
- 多孔質吸収性構造であって、
吸収性粒子と、
前記吸収性粒子を実質的にコーティングし、前記吸収性粒子を多孔質吸収ネットワーク内に連結している超吸収性ポリマー材料と、を含み、
前記多孔質吸収性構造内の前記超吸収性ポリマー材料と前記吸収性粒子との重量比率が、1:1より大きく、1.5:1未満である多項質吸収性構造。 - 前記超吸収性ポリマー材料が、約1000ppm未満の残留モノエチレン性不飽和モノマーを有する、請求項19に記載の多孔質吸収性構造。
- 前記超吸収性ポリマー材料と前記吸収性粒子との前記重量比率が、1.1:1である、請求項19に記載の多項質吸収性構造。
- 前記多孔質吸収性構造が少なくとも約10%のピーク伸長を有する、請求項19に記載の多孔質吸収性構造。
- 前記多孔質吸収性構造が少なくとも約150g/cmのピークエネルギーを有する、請求項19に記載の多孔質吸収性構造。
- さらに不織布材料を含む請求項19に記載の多孔質吸収性構造。
- 前記不織布材料および多孔質吸収性構造が布巾を形成する、請求項24に記載の多孔質吸収性構造。
- 吸収性物品であって、
人に固定されるように適合された外側カバーであって、前記外側カバーが内側を有する、外側カバーと、
多孔質吸収性構造であって、
吸収性粒子と、
前記吸収性粒子を実質的にコーティングし、前記粒子を多孔質ネットワーク内に結合して前記外側カバーの前記内側上に位置付けられた吸収性コアを形成する超吸収性ポリマー材料であって、前記多孔質吸収性構造内の前記超吸収性ポリマー材料と前記吸収性粒子との重量比率が0.8:1より大きく1.4:1未満である超吸収性ポリマー材料を含む多孔質吸収性構造とを含む吸収性物品。 - 前記超吸収性ポリマー材料が、約1000ppm未満の残留モノエチレン性不飽和モノマーを有する、請求項26に記載の吸収性物品。
- 前記多孔質吸収性構造が少なくとも約10%のピーク伸長を有する、請求項26に記載の吸収性物品。
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