KR101778357B1 - 흡수성 물품들을 위한 흡수성 코어 및/또는 수집 및 분산층을 포함하는 유니터리 흡수성 구조체들 - Google Patents
흡수성 물품들을 위한 흡수성 코어 및/또는 수집 및 분산층을 포함하는 유니터리 흡수성 구조체들 Download PDFInfo
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- KR101778357B1 KR101778357B1 KR1020147031782A KR20147031782A KR101778357B1 KR 101778357 B1 KR101778357 B1 KR 101778357B1 KR 1020147031782 A KR1020147031782 A KR 1020147031782A KR 20147031782 A KR20147031782 A KR 20147031782A KR 101778357 B1 KR101778357 B1 KR 101778357B1
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- superabsorbent particles
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Abstract
Description
도 2 는, 상단부터 바닥까지, 수집층 (2) 과 2 개의 분배층들 (3, 4) 을 포함하는 3 층의 종래의 ADL (19) 의 단면도이다.
도 3 은, 상단부터 바닥까지, 삼중층인 수집층 (14), 재적심층 (15) 및 분배층 (16) 을 포함하는 기재의 단면도이다.
도 4 는 삼중층인 수집층 (14), 분배층 (16) 및 재적심층 (15) 을 포함하는 기재의 단면도이다.
도 5 는, 상단부터 바닥까지, 삼중층인 수집층 (14) 및 재적심층 (15) 을 포함하는 기재의 단면도이다.
도 6 은, 상단부터 바닥까지, 삼중층인 수집층 (14), 분배층 (16) 및 재적심층 (15) 을 포함하고 제 3 층은 부분 소수성인 기재의 단면도이다.
도 7 은, 상단부터 바닥까지, 삼중층인 수집층 (14), 분배층 (16) 및 흡수층 (17) 을 포함하는 기재의 단면도이다.
도 8 은, 상단부터 바닥까지, 공극 부피 구배 (18a, 18b, 18c) 를 규정하는 폴리에스테르와 폴리올레핀의 삼중층 블렌드 (blend) 를 포함하는 기재의 단면도이다.
도 9 는, 상단부터 바닥까지, 수집 및 분산 상단층 (19), SAP 입자들 (21) 의 손실을 방지하는 보다 작은 공극 부피 공간 구조체의 재적심층, SAP 입자들 (21) 을 포함하는 매우 큰 공극 부피 공간을 가지는 바닥층과 흡수성 코어의 바닥 섹션을 코팅하는 커버링층을 포함하는 기재의 단면도이다.
도 10 은 삼중층 기재의 단면도로, 섬유는 SAP 입자들 (21) 로 부분 충전된 공극 부피 분포 구배 (18a, 18b, 18c) 를 규정하고, 구조체의 바닥은 부가적인 층에 의해 커버되어 있다.
도 11 은 공극 부피 분포 구배 (18a, 18b, 18c) 를 가지는 기재에서 완전히 침투된 SAP 입자들 (21) 의 단면도이다. 코어는 상단 및 바닥 부분 (22) 에서 부직포 층들에 의해 커버된다.
도 12 는 공극 부피 분포 구배 (18a, 18b, 18c) 를 가지는 기재에서 부분적으로 침투된 SAP 입자들 (21) 의 단면 이미지이다.
도 13 및 도 13b 는 본 발명에 따른 구조체 제조 방법의 개략도들 (schemes) 이다.
도 14 는 부직포 기재의 y-방향 또는 측방향 치수를 따라 SAP 입자들 (21) 의 디포짓을 도시한, SAP 입자들 (21) 의 도우징 시스템의 개략도이다.
도 15 는 다중 흡수성 코어들의 제조를 위해 기재 상에 SAP 입자들 (21) 의 불연속 적용의 단면도이다. 코어는 핫멜트 접착제 및 코어 커버링층 (11) 에 의해 커버된다. 개별 코어의 형성을 위한 절단 라인이 또한 나타나 있다.
도 16 은 3 개의 개별 프로파일된 흡수성 코어들의 단면 이미지이다.
도 17 은 프로파일된 코어를 형성하기 위해서 SAP 입자들 (21) 의 분말 비산에 사용되는 공급 롤의 상세도이다.
도 18 은 x-방향 또는 종방향 치수를 따라 프로파일된 흡수성 코어의 단면 이미지이다.
도 19 는 x-y 평면에서 패터닝된 흡수성 코어층의 평면도이다.
도 20 은 분산 단계 전 부직포 기재 상에 SAP 입자들 (21) 의 디포짓을 도시한다.
도 21 은 본 발명에 따라 분산된 SAP 입자들 (21) 을 포함하는 ADL 을 도시하고, 상기 ADL 은 종래의 흡수성 코어 위에 위치결정된다.
도 22 는 커버링층들 (22) 에 의해 코팅된 본 발명에 따른 흡수성 구조체를 도시한다.
도 23 은 본 발명에 따른 흡수성 코어 위에 위치결정된 종래의 ADL (19) 을 도시한다.
도 24 는 보디 형상의 흡수성 물품의 평면도이다.
도 25 는 진동들 및/또는 진공 테이블에 의한 분산 후 x 및 y 방향의 프로파일로 부직포 기재에 디포짓된 SAP 입자들 (21) 의 도면이다.
도 26 은 코어 랩 재료 (25) 에 의한 개별 코어의 실링 (24) 프로세스를 도시한다.
Claims (28)
- 고흡수성 입자들 (21) 에 의해 부분적으로 침투되는 적어도 하나의 부직포 섬유상 기재 (23) 층을 포함하는, 영구적 액체 홀딩 능력을 갖는 흡수성 코어 (5) 및 일시적 액체 홀딩 능력을 갖는 수집층 (14) 및 분산층 (16) 을 포함하는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품으로서,
상기 고흡수성 입자들 (21) 은 크기 분포를 갖고 상기 흡수성 코어 (5) 및 상기 수집층 및 분산층 (14, 16) 중 하나 이상의 깊이 방향 또는 z-방향을 따른 상기 고흡수성 입자들의 입자 크기 분포 구배에 따라 기재층 (23) 에 분산되고,
상기 흡수성 구조체는 4 wt.% 보다 적은 플러프 (fluff) 를 포함하고,
보다 작은 상기 고흡수성 입자들은 상기 흡수성 물품의 보디측에 위치되고 보다 큰 상기 고흡수성 입자들은 상기 흡수성 물품의 반대측에 위치되는 것을 특징으로 하는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 있어서,
상기 고흡수성 입자들 (21) 에 의해 부분적으로 침투된 상기 부직포 섬유상 기재층 (23) 은 상기 흡수성 코어 (5) 또는 상기 수집층 (14) 및 상기 분산층 (16) 의 일부인, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 있어서,
상기 흡수성 구조체는 플러프가 없는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 있어서,
상기 고흡수성 입자들 (21) 의 크기 분포는 45 내지 850 ㎛ 범위에 있는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 있어서,
상기 부직포 섬유상 기재층 (23) 은 기재 (23) 표면의 ㎡ 당 0.1 내지 20,000 ㎤ 범위에 있는 공극 부피를 갖는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 있어서,
상기 부직포 섬유상 기재층 (23) 은 다층 기재 (23) 인, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 6 항에 있어서,
상기 부직포 섬유상 기재층 (23) 은 상단 수집층 (14) 및 분산층 (16) 및 중간층을 포함하는 삼중층이고, 상기 중간층은 기재 (23) 의 ㎡ 당 10 내지 600 ㎤ 범위에 있는 공극 부피값을 갖고, 바닥층은 기재 (23) 의 ㎡ 당 10 내지 600 ㎤ 범위에 있는 공극 부피를 갖는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 있어서,
(i) 상기 고흡수성 입자들 (21) 은 상기 흡수성 구조체 종방향 치수 또는 x-방향을 따르는 프로파일에 따라 분포되거나; 또는
(ii) 상기 고흡수성 입자들 (21) 은 상기 흡수성 구조체의 측방향 또는 y-방향을 따르는 프로파일에 따라 분포되는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 있어서,
상기 고흡수성 입자들 (21) 은 상호 분리되는 상기 부직포 섬유상 기재 (23) 상의 이산된 구간들에 분산되어서, 상기 흡수성 구조체의 x-방향 및 y-방향 중 하나 이상을 따르는 유체의 유동 및 위킹 (wicking) 을 용이하게 하는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 따른 흡수성 물품을 제조하는 방법으로서:
· 상기 부직포 섬유상 기재 (23) 를 권출 (unwinding) 하는 단계;
· 상기 고흡수성 입자들 (21) 로 적어도 부분적으로 상기 부직포 섬유상 기재 (23) 를 커버하는 단계;
· 진공 테이블에 의해 진동들 및 진공 (8') 을 적용함으로써 상기 부직포 섬유상 기재 (23) 에 상기 고흡수성 입자들 (21) 을 분산시키는 단계,
· 코어 커버링층 재료 (22) 를 권출하는 단계,
· 상기 코어 커버링층 재료 (22) 및 상기 부직포 섬유상 기재 (23) 표면 중 하나 이상의 내면에 접착제를 적용하는 단계,
· 상기 코어 커버링층 재료 (22) 로 상기 부직포 섬유상 기재 (23) 를 커버하는 단계, 및
· 압력에 의해 상기 접착을 보장하는 단계를 포함하는, 흡수성 물품을 제조하는 방법. - 제 10 항에 있어서,
개별적인 코어들을 획득하기 위해서 상기 부직포 섬유상 기재 (23) 가 고흡수성 입자들 (21) 을 본질적으로 가지지 않는 층을 절단하는 단계를 추가로 포함하는, 흡수성 물품을 제조하는 방법. - 제 10 항에 있어서,
고흡수성 입자들 (21) 로 상기 부직포 섬유상 기재 (23) 표면을 커버하는 단계는 분말 비산; 진공 기술 (8') 을 통한 드럼 형성; 중력 피드 (8) 또는 고압 분무 건 (8) 의 사용에 의해 수행되는 것을 특징으로 하는, 흡수성 물품을 제조하는 방법. - 제 1 항에 있어서,
(a) 액체 투과성 상단시트;
(b) 액체 불투과성 배면시트; 및
(c) (a) 와 (b) 사이에 위치된 제 1 항에 따른 흡수성 구조체를 추가로 포함하는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 13 항에 있어서,
상기 흡수성 구조체의 상단에 위치된 부가적 수집층 (2) 및 분산층 (3); 또는 상기 흡수성 구조체 아래에 위치된 부가적 흡수성 코어를 포함하는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 1 항에 있어서,
상기 흡수성 물품은 기저귀, 실금 패드, 여성 전용 케어 생리대, 팬티 라이너, 및 상처 드레싱으로 구성되는 군에서 선택되는, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 제 15 항에 있어서,
(i) 상기 흡수성 물품은 0.1 내지 1000 g/㎡ 의 기저귀 또는 실금 패드이거나; 또는
(ii) 상기 흡수성 물품은 0.1 내지 1000 g/㎡ 의 고흡수성 입자들의 여성 전용 생리대 또는 팬티 라이너이거나; 또는
(iii) 상기 흡수성 물품은 0.1 내지 1000 g/㎡ 의 고흡수성 입자들의 상처 드레싱인, 적어도 하나의 유니터리 흡수성 구조체를 포함하는 흡수성 물품. - 삭제
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2012/056859 WO2013152809A1 (en) | 2012-04-13 | 2012-04-13 | Unitary absorbent structures comprising an absorbent core and/or an acquisition and dispersion layer for absorbent articles |
| EPPCT/EP2012/056859 | 2012-04-13 | ||
| PCT/EP2013/057849 WO2013153235A1 (en) | 2012-04-13 | 2013-04-15 | Unitary absorbent structures comprising an absorbent core and/or an acquisition and dispersion layer for absorbent articles |
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| KR20150014923A KR20150014923A (ko) | 2015-02-09 |
| KR101778357B1 true KR101778357B1 (ko) | 2017-09-26 |
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| KR1020147031782A Active KR101778357B1 (ko) | 2012-04-13 | 2013-04-15 | 흡수성 물품들을 위한 흡수성 코어 및/또는 수집 및 분산층을 포함하는 유니터리 흡수성 구조체들 |
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| US (2) | US10772772B2 (ko) |
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| KR (2) | KR101770018B1 (ko) |
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| BR (2) | BR112014025010B1 (ko) |
| CA (2) | CA2869870C (ko) |
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| PH (2) | PH12014502235B1 (ko) |
| PL (2) | PL2836178T3 (ko) |
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