KR102750718B1 - 다층 흡수성 코어 및 제조 방법 - Google Patents
다층 흡수성 코어 및 제조 방법 Download PDFInfo
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- 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
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- A61F13/00—Bandages or dressings; Absorbent pads
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- 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
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- A61F13/536—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 an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression
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- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
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- B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
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- B31F5/04—Attaching together sheets, strips or webs; Reinforcing edges by exclusive use of adhesives
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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
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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
- A61F2013/53051—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 being only in particular parts or specially arranged
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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
- A61F13/534—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 an inhomogeneous composition through the thickness of the pad
- A61F2013/53463—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 an inhomogeneous composition through the thickness of the pad with a reinforcing structure, e.g. net
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- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
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- B31F2201/0715—The tools being rollers
- B31F2201/0723—Characteristics of the rollers
- B31F2201/0733—Pattern
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- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
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- B31F2201/0723—Characteristics of the rollers
- B31F2201/0738—Cross sectional profile of the embossments
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Abstract
Description
[선행기술문헌]
US 2001/0006089 A1 (공개일: 2001. 7. 5.)
US 2002/0133131 A1 (공개일: 2002. 9. 19.)
US 2017/0102306 A1 (공개일: 2017. 4. 13.)
도 1은 본 개시내용의 측면들에 따른 폐쇄된 구성으로 예시적인 흡수 용품의 사시도이고;
도 2는 개방되어 평평하게 펼친 구성으로 도 1의 흡수 용품의 평면도이고;
도 3은 본 개시내용의 측면들에 따른, 예시적인 흡수체의 단면도이고;
도 4는 본 개시내용의 흡수체를 형성하기 위한 예시적인 방법의 개략도이고;
도 5는 본 개시내용의 흡수체를 엠보싱하기 위한 예시적인 방법의 개략도이고;
도 6a는 도 5의 엠보싱 방법으로 사용될 수 있는 예시적인 엠보싱 표면의 일부의 상평면도이고;
도 6b는 도 5의 엠보싱 방법으로 사용될 수 있는 예시적인 엠보싱 표면의 일부의 측면도이고;
도 7은 본 개시내용의 측면들에 따른, 초흡수성 입자를 함유하는 엠보싱되지 않은 보강 재료의 사진이고;
도 8은 본 개시내용의 측면들에 따른, 초흡수성 입자를 함유하는 엠보싱된 보강 재료의 사진이고;
도 9는 본 개시내용의 흡수체를 형성하기 위한 예시적인 방법의 개략도이고; 그리고
도 10은 본 개시내용의 측면들에 따른, 예시적인 흡수체의 단면도이다.
본 개시내용이 다양한 변형 및 대안적인 형태로 될 수 있지만, 이들의 구체적인 사항들이 도면에서 예시로써 도시되었고 본원에서 상세히 설명한다. 그러나, 본 개시내용의 측면들을 설명된 특정 실시예들로 한정하려는 것이 아님을 이해해야 한다. 반대로, 본 의도는 본 개시내용의 범위 내에 속하는 모든 변형, 균등물 및 대안을 다루기 위한 것이다.
평량 (gsm) | 비율 | 총 중량 (g) | |
최하부 코어랩 재료 (예, 재료(101)) | 50 | 13.2% | 4.62 |
하단면 접착층 (예, 접착층(105)) | 5 | 1.3% | 0.455 |
SAM | 240 | 63.5% | 22.2 |
보강 재료 (예, 재료(116)) | 40 | 10.6% | 3.71 |
상단면 접착층 (예, 접착층(109)) | 2.5 | 0.7% | 0.245 |
최상부 코어랩 재료 (예, 재료(103)) | 40 | 10.6% | 3.71 |
Total | 378 | 100% | 35 |
Claims (20)
- 흡수체를 형성하는 방법으로, 상기 방법은
제1 커버 재료를 기계 방향으로 이동시키되, 상기 제1 커버 재료는 상단면 및 하단면을 갖는 단계;
보강 재료를 상기 기계 방향으로 이동시키고 상기 보강 재료를 상기 제1 커버 재료와 조합하는 단계로서, 상기 보강 재료는 상단면 및 하단면을 갖는, 단계;
초흡수성 입자를 포함하는 흡수성 물질을 상기 보강 재료의 상단면에 적용시키는 단계;
제2 커버 재료를 상기 기계 방향으로 이동시키고, 상기 제2 커버 재료는 상단면 및 하단면을 가지고, 상기 제2 커버 재료를 상기 제1 커버 재료 및 상기 보강 재료와 조합하여 상기 제1 커버 재료, 상기 보강 재료, 및 상기 제2 커버 재료의 적층체 구조를 형성하는 단계로서, 상기 제1 커버 재료가 상기 보강 재료 아래에 배치되고, 상기 제2 커버 재료가 상기 보강 재료 상단에 배치되는, 단계; 및
상기 적층체 구조를 엠보싱하는 단계로서, 상기 적층체 구조를 상기 적층체 구조 두께의 90% 미만의 깊이로 엠보싱하는 단계를 포함하는, 단계
를 포함하고,
최상부 커버 재료와 최하부 커버 재료 사이에 배치된 초흡수성 물질(superabsorbent material; SAM)의 총량의 30 중량% 내지 85 중량%는, SAM 안정화 위치 시험 방법에 따라 결정된 바와 같이, 상기 보강 재료 내에서 안정화되는, 방법. - 제1항에 있어서, 상기 적층체 구조를 엠보싱하는 단계는 상기 적층체 구조의 상단면을 엠보싱하는 단계를 포함하는, 방법.
- 제1항에 있어서, 상기 적층체 구조를 엠보싱하는 단계는 상기 제2 커버 재료를 엠보싱하는 단계를 포함하는, 방법.
- 제1항에 있어서,
접착제를 상기 제1 커버 재료의 상단면과 상기 보강 재료의 하단면 중 하나에 적용시키는 단계; 그리고
접착제를 상기 보강 재료의 상단면과 상기 제2 커버 재료의 하단면 중 하나에 적용시키는 단계를 더 포함하는, 방법. - 제1항에 있어서, 상기 적층체 구조는 적층체 구역을 포함하고, 상기 적층체 구조를 엠보싱하는 단계는 상기 적층체 구역의 0% 초과 및 상기 적층체 구역의 42% 미만의 엠보싱 구역을 형성하는 단계를 포함하는, 방법.
- 제1항에 있어서, 상기 적층체 구조는 적층체 구역을 포함하고, 상기 적층체 구조를 엠보싱하는 단계는 상기 적층체 구역의 5% 초과 및 상기 적층체 구역의 35% 미만의 엠보싱 구역을 형성하는 단계를 포함하는, 방법.
- 제1항에 있어서, 상기 적층체 구조는 적층체 구역을 포함하고, 상기 적층체 구조를 엠보싱하는 단계는 상기 적층체 구역의 10% 초과 및 상기 적층체 구역의 30% 미만의 엠보싱 구역을 형성하는 단계를 포함하는, 방법.
- 제1항에 있어서, 상기 적층체 구조를 엠보싱하는 단계는 상기 적층체 구조를 상기 적층체 구조 두께의 80% 미만의 깊이로 엠보싱하는 단계를 포함하는, 방법.
- 제1항에 있어서, 상기 적층체 구조를 엠보싱하는 단계는 상기 적층체 구조를 상기 적층체 구조 두께의 40% 초과의 깊이로 엠보싱하는 단계를 포함하는, 방법.
- 제1항에 있어서, 상기 적층체 구조를 엠보싱하는 단계는 제1 엠보싱 롤 및 제2 엠보싱 롤에 의해 형성된 엠보싱 닙을 통해 상기 적층체 구조를 통과시키는 단계를 포함하되, 상기 제1 엠보싱 롤은 상기 제1 엠보싱 롤의 표면으로부터 돌출하는 복수의 엠보싱 요소를 포함하고, 여기서 상기 엠보싱 요소의 높이는 0.8mm 내지 4.0mm인, 방법.
- 제1항에 있어서, 상기 적층체 구조를 뒤집는 단계를 더 포함하는, 방법.
- 제1항에 있어서, 상기 흡수체를 흡수 용품 섀시에 결합시켜 상기 제1 커버 재료가 상기 흡수체의 신체 대향면을 형성하도록 하는 단계를 더 포함하는, 방법.
- 제1항에 있어서, 초흡수성 입자를 포함하는 흡수성 물질을 상기 제1 커버 재료의 상단면에 적용하는 단계를 더 포함하는, 방법.
- 흡수체로서,
최상부 액체 투과성 커버 재료;
최하부 커버 재료;
상기 최상부 커버 재료와 상기 최하부 커버 재료 사이에 배치된 보강 재료; 및
고-SAM(superabsorbent material; 초흡수성 물질) 농도 영역 및 저-SAM 농도 영역의 패턴으로 상기 보강 재료 내에 배치된 초흡수성 물질
을 포함하고, 상기 고-SAM 농도 영역은 상기 보강 재료의 엠보싱 구역과 대응하며, 상기 최상부 커버 재료와 상기 최하부 커버 재료 사이에 배치된 초흡수성 물질의 총량의 30 중량% 내지 85 중량%는, SAM 안정화 위치 시험 방법에 따라 결정된 바와 같이, 상기 보강 재료 내에서 안정화되는, 흡수체. - 제14항에 있어서, 상기 고-SAM 농도 영역은 저-SAM 농도 영역에 의해 둘러싸이는, 흡수체.
- 제14항에 있어서, 상기 고-SAM 농도 영역 및 상기 저-SAM 농도 영역은 상기 보강 재료 내에 교대하는 줄무늬를 형성하는, 흡수체.
- 제14항에 있어서, 상기 최상부 커버 재료와 상기 최하부 커버 재료 사이에 배치된 초흡수성 물질의 총량의 10중량% 미만은, SAM 안정화 위치 시험 방법에 따라 결정된 바와 같이, 제1 접착제 층에 의해 안정화되는, 흡수체.
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