JP2019162298A - 吸収性物品 - Google Patents
吸収性物品 Download PDFInfo
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- JP2019162298A JP2019162298A JP2018052339A JP2018052339A JP2019162298A JP 2019162298 A JP2019162298 A JP 2019162298A JP 2018052339 A JP2018052339 A JP 2018052339A JP 2018052339 A JP2018052339 A JP 2018052339A JP 2019162298 A JP2019162298 A JP 2019162298A
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- absorbent article
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- 230000002745 absorbent Effects 0.000 title claims abstract description 144
- 239000002250 absorbent Substances 0.000 title claims abstract description 144
- 239000000853 adhesive Substances 0.000 claims abstract description 111
- 230000001070 adhesive effect Effects 0.000 claims abstract description 107
- 229920000642 polymer Polymers 0.000 claims abstract description 21
- 229920000247 superabsorbent polymer Polymers 0.000 claims description 97
- 239000006096 absorbing agent Substances 0.000 claims description 37
- 210000001124 body fluid Anatomy 0.000 abstract description 48
- 239000010839 body fluid Substances 0.000 description 38
- 210000002700 urine Anatomy 0.000 description 12
- 210000004243 sweat Anatomy 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 206010021639 Incontinence Diseases 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000029142 excretion Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 1
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Abstract
Description
本明細書及び添付図面の記載により、少なくとも以下の事項が明らかとなる。
一態様に係る吸収性物品は、互いに直交する長手方向及び幅方向と、液透過性の表面シートと、通気性かつ液不透過性の裏面シートと、前記表面シートと前記裏面シートの間に配置され、少なくともパルプと高吸収性ポリマーを有する吸収体と、前記裏面シートの非肌対向面に配置された粘着部と、を有する吸収性物品であって、前記吸収体の外縁は、前記吸収性物品の外縁よりも内側に位置しており、前記吸収体の外縁と前記吸収性物品の外縁との間の外側領域には、前記高吸収性ポリマーと前記粘着部が厚み方向に重なって配置された重畳部が設けられている。
以下、図面を参照して、実施形態に係る吸収性物品について説明する。なお、以下の図面の記載において、同一又は類似の部分には、同一又は類似の符号を付している。ただし、図面は模式的なものであり、各寸法の比率等は現実のものとは異なることに留意すべきである。したがって、具体的な寸法等は、以下の説明を参酌して判断すべきである。また、図面相互間においても互いの寸法の関係や比率が異なる部分が含まれ得る。
10 表面シート
20 裏面シート
30 吸収体
31 パルプ
32 高吸収性ポリマー
50 粘着部
51 長手方向において最も外側に位置する粘着部
60 圧搾部
61 幅広部
70 接着部
RO 外側領域
R1 第1領域
R2 第2領域
R3 第3領域
R4 第4領域
RC 中央領域
RS 表面側領域
P1 重畳部
P2 非配置部
P3 ポリマー配置部
P4 粘着配置部
PM 最大幅
Claims (17)
- 互いに直交する長手方向及び幅方向と、
液透過性の表面シートと、
通気性かつ液不透過性の裏面シートと、
前記表面シートと前記裏面シートの間に配置され、少なくともパルプと高吸収性ポリマーを有する吸収体と、
前記裏面シートの非肌対向面に配置された粘着部と、を有する吸収性物品であって、
前記吸収体の外縁は、前記吸収性物品の外縁よりも内側に位置しており、
前記吸収体の外縁と前記吸収性物品の外縁との間の外側領域には、前記高吸収性ポリマーと前記粘着部が厚み方向に重なって配置された重畳部が設けられている、吸収性物品。 - 前記外側領域には、前記高吸収性ポリマー及び前記粘着部が配置されていない非配置部が設けられている、請求項1に記載の吸収性物品。
- 前記外側領域には、前記高吸収性ポリマーが配置され、かつ前記粘着部が配置されていないポリマー配置部が設けられている、請求項1又は請求項2に記載の吸収性物品。
- 前記外側領域には、前記粘着部が配置され、かつ前記高吸収性ポリマーが配置されていない粘着配置部が設けられ、
前記粘着配置部と前記ポリマー配置部は、平面視にて隣接している、請求項3に記載の吸収性物品。 - 前記外側領域は、前記吸収体側の第1領域と、前記吸収性物品の外縁側の第2領域と、を有し、
前記第1領域における前記高吸収性ポリマーの密度は、前記第2領域の前記高吸収性ポリマーの密度よりも高い、請求項1から請求項4のいずれか1項に記載の吸収性物品。 - 前記吸収体は、前記吸収体の前記厚み方向の中心を含む中央領域と、前記中央領域よりも前記厚み方向の外側に位置する表面側領域と、を有し、
前記中央領域における前記高吸収性ポリマーの密度は、前記表面側領域の前記高吸収性ポリマーの密度よりも高い、請求項1から請求項5のいずれか1項に記載の吸収性物品。 - 前記吸収体の肌対向面側の親水度は、前記吸収体の非肌対向面側の親水度よりも高い、請求項1から請求項6のいずれか1項に記載の吸収性物品。
- 前記外側領域には、少なくとも前記表面シート及び前記裏面シートを前記厚み方向に圧縮した圧搾部が設けられており、
前記圧搾部は、前記吸収性物品の外縁に沿って配置されている、請求項1から請求項7のいずれか1項に記載の吸収性物品。 - 前記圧搾部では、前記表面シート、前記裏面シート及び前記粘着部が前記厚み方向に圧縮されている、請求項8に記載の吸収性物品。
- 前記裏面シートの伸長強度は、前記表面シートの伸長強度よりも高い、請求項9に記載の吸収性物品。
- 前記裏面シートの前記長手方向の伸長強度に対する前記裏面シートの前記幅方向の伸長強度の比率は、0.7以上1.3以下である、請求項10に記載の吸収性物品。
- 前記裏面シートの前記長手方向の伸長強度及び前記裏面シートの前記幅方向の伸長強度は、いずれも2.0N/25mm以上である、請求項10又は請求項11に記載の吸収性物品。
- 前記吸収性物品は、前記長手方向の中心に位置する第3領域と、前記第3領域よりも前記長手方向の外側に位置する第4領域と、を有し、
前記第4領域の前記幅方向の最大幅は、前記第3領域の前記幅方向の最大幅よりも長く、
前記第4領域の前記圧搾部は、前記第3領域における前記圧搾部よりも前記幅方向の長さが長い幅広部を有しており、
前記幅広部は、前記第4領域の前記最大幅の位置に設けられている、請求項9から請求項12のいずれか1項に記載の吸収性物品。 - 前記粘着部は、前記幅方向に沿って延び、かつ前記長手方向に間隔を空けて複数設けられており、
前記長手方向において最も外側に位置する前記粘着部は、前記幅方向において前記幅広部と重なっている、請求項13に記載の吸収性物品。 - 前記長手方向において最も外側に位置する前記粘着部は、前記吸収性物品の外縁に到達し、かつ前記厚み方向において前記幅広部と重なっている、請求項14に記載の吸収性物品。
- 前記外側領域において、前記裏面シートの肌対向面には、前記表面シートと前記裏面シートとを接着するための接着剤が塗布された接着部が設けられている、請求項1から請求項15のいずれか1項に記載の吸収性物品。
- 前記外側領域において、前記表面シートの非肌対向面には、前記表面シートと前記裏面シートとを接着するための接着剤が塗布された接着部が設けられている、請求項1から請求項16のいずれか1項に記載の吸収性物品。
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