KR102640140B1 - 복합 적층체 및 일회용 기저귀 - Google Patents
복합 적층체 및 일회용 기저귀 Download PDFInfo
- Publication number
- KR102640140B1 KR102640140B1 KR1020207015779A KR20207015779A KR102640140B1 KR 102640140 B1 KR102640140 B1 KR 102640140B1 KR 1020207015779 A KR1020207015779 A KR 1020207015779A KR 20207015779 A KR20207015779 A KR 20207015779A KR 102640140 B1 KR102640140 B1 KR 102640140B1
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- South Korea
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- elastic fibers
- composite laminate
- fibers
- resin
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61F13/45—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 shape
- A61F13/49—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 shape specially adapted to be worn around the waist, e.g. diapers, nappies
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
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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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
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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
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Abstract
Description
도 2는 실질적 단면 방향으로부터 취해진, 도 1의 복합 적층체의 시험편의 외관 사진이며, 여기서, A는 탄성 섬유가 일 방향으로 연장되는 수지와 교차하는 위치에서의 두께를 나타내고, B는 탄성 섬유가 일 방향으로 연장되는 수지와 교차하는 위치들 사이의 두께의 최대값의 측정 위치를 나타낸다.
도 3은 실질적 평면 방향으로부터 취해진 도 1의 복합 적층체의 시험편의 외관 사진으로, 탄성 섬유가 연장 방향으로 손에 의해 연신될 때 부분 연신의 상태를 나타낸다.
도 4는 실질적 평면 방향으로부터 취해진 도 3의 복합 적층체의 시험편의 외관 사진으로, 동일한 방향으로 최대 연장의 상태를 나타낸다.
도 5a 내지 도 5d는 본 발명에 따른 복합 적층체의 측정 샘플의 샘플링 방법을 예시하는 개략적인 평면도이다.
도 6은 본 발명에 따른 복합 적층체를 사용하는 일회용 기저귀의 프로토타입(prototype)의 개략적인 정면도이다.
11 시험 재료
100 일회용 기저귀 프로토타입
101 게더 부분
Claims (11)
- 복합 적층체로서,
두 시트의 천 사이에 개재되는, 일 방향으로 평행하게 배열되는 복수의 탄성 섬유들; 및
상기 탄성 섬유들과 교차하는 일 방향으로 평행하게 배열되는 복수의 스트랜드들에 제공되는, 상기 탄성 섬유들 및 두 시트의 천을 접합시키기 위한 수지
를 포함하며;
상기 두 시트의 천 및 상기 탄성 섬유들은 인접한 수지 스트랜드들 및 탄성 섬유들이 상기 탄성 섬유들의 종방향으로 교차하는 위치들 사이에서 분리되고,
상기 탄성 섬유들의 섬도는 350 dtex 이하이고,
상기 천들을 구성하는 섬유들의 섬도에 대한 상기 탄성 섬유들의 섬도의 비율은 0.5 이상 및 300 이하이고,
130% 연신 및 복귀의 두 사이클들이 수행될 때, 다음 공식 1이 만족되며, 여기서
(A)는 제2 사이클에서 30% 연신에서의 복귀 응력이고,
(B)는 제2 사이클에서 100% 연신에서의 복귀 응력인, 복합 적층체.
[공식 1] (A)/(B)×100%≥50% - 제1항에 있어서, 상기 복합 적층체는 제1 연신 동안 전방 응력이 1000 cN/5 cm 폭일 때 150% 이상의 연신을 갖는, 복합 적층체.
- 제1항 또는 제2항에 있어서, 상기 복합 적층체가 상기 탄성 섬유들이 연장되는 방향에서 최대로 신축되는 상태에 있고, 상기 천의 외부 표면의 색상이, L* 값이 최대인 포인트에서의 L* 값, a* 값, b* 값(L*1, a*1, b*1) 및 L* 값이 최소인 포인트에서의 L* 값, a* 값, b* 값(L*2, a*2, b*2)을 사용하는 다음 공식에서, 상기 탄성 섬유들에 수직인 방향으로 상기 복합 적층체의 외측으로부터 분광비색계를 사용하여 측정될 때, ΔE*v에 의해 정의되는 색차 변화는 1.0 이하인, 복합 적층체.
- 제1항 또는 제2항에 있어서, 일 방향으로 연장되는 상기 수지가 상기 탄성 섬유들과 교차하는 위치에서 상기 복합 적층체의 두께는 0.1 mm 이상 및 2.0 mm 이하인, 복합 적층체.
- 제1항 또는 제2항에 있어서, 일 방향으로 연장되는 상기 수지가 상기 탄성 섬유들과 교차하고 상기 탄성 섬유들의 종방향에 인접하는 위치들 사이의 상기 복합 적층체의 두께에 대한 최대값은 1 mm 이상 및 20 mm 이하인, 복합 적층체.
- 제1항 또는 제2항에 있어서, 일 방향으로 연장되는 수지의 하나의 스트랜드의 폭은, 상기 복합 적층체가 상기 탄성 섬유들이 연장되는 방향에서 최대로 연장되는 상태에서, 0.2 mm 이상 및 10 mm 이하인, 복합 적층체.
- 제1항 또는 제2항에 있어서, 일 방향으로 연장되는 수지의 스트랜드들 사이의 간격은, 상기 복합 적층체가 상기 탄성 섬유들이 연장되는 방향에서 최대로 연장되는 상태에서, 1 mm 이상 및 20 mm 이하인, 복합 적층체.
- 제1항 또는 제2항에 있어서, 상기 탄성 섬유의 열 연화점은 100℃ 이상 및 240℃ 이하인, 복합 적층체.
- 제1항 또는 제2항에 있어서, 일 방향으로 연장되는 상기 수지는 상기 천들 또는 상기 탄성 섬유들을 구성하는 성분들과 동일한 성분을 포함하는, 복합 적층체.
- 제1항 또는 제2항에 따른 상기 복합 적층체를 게더 부분으로서 사용하는 일회용 기저귀.
- 삭제
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JP2018033536A JP2019147308A (ja) | 2018-02-27 | 2018-02-27 | 複合積層体の製造方法 |
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JP2018068119A JP2019178452A (ja) | 2018-03-30 | 2018-03-30 | 複合積層体およびその製造方法 |
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JP2018076763A JP2019181837A (ja) | 2018-04-12 | 2018-04-12 | 複合積層体 |
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JP2018078256A JP2019181017A (ja) | 2018-04-16 | 2018-04-16 | 複合積層体 |
JP2018083332A JP7045251B2 (ja) | 2018-04-24 | 2018-04-24 | 複合積層体および紙おむつ |
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JP2018083604A JP7143109B2 (ja) | 2018-04-25 | 2018-04-25 | 複合積層体および紙おむつ |
PCT/IB2018/059717 WO2019111203A1 (en) | 2017-12-07 | 2018-12-06 | Composite laminate body and disposable diaper |
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