KR102240743B1 - 맞춤형 액체 위킹 능력을 가진 부직포 셀룰로오스 섬유 직물 - Google Patents
맞춤형 액체 위킹 능력을 가진 부직포 셀룰로오스 섬유 직물 Download PDFInfo
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- KR102240743B1 KR102240743B1 KR1020197032538A KR20197032538A KR102240743B1 KR 102240743 B1 KR102240743 B1 KR 102240743B1 KR 1020197032538 A KR1020197032538 A KR 1020197032538A KR 20197032538 A KR20197032538 A KR 20197032538A KR 102240743 B1 KR102240743 B1 KR 102240743B1
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Abstract
(i) 액체 확산 속도는 5분 내에 3000 mm2 이상이며;
(ii) 물 흡수 능력은 직물 1g 및 1 초당 당 물 0.25g 이상의 위킹 속도에 의해 특징지어진다. 이러한 직물 (102)을 제조하기 위한 방법 및 장치, 이러한 직물을 포함하는 제품 또는 복합재, 및 이러한 직물 (102)에 대한 다양한 용도의 응용이 추가로 개시된다.
Description
도 2 내지 도 4는 개별 섬유의 병합이 특정 공정 제어에 의해 달성된 본 발명의 예시적인 실시 형태에 따른 부직포 셀룰로오스 섬유 직물의 실험적으로 캡쳐된 이미지를 도시한다.
도 5 및 도 6은 섬유의 팽윤이 달성된 본 발명의 예시적인 실시 형태에 따른 부직포 셀룰로오스 섬유 직물의 실험적으로 캡쳐된 이미지를 도시하며, 여기서, 도 5는 건조 비-팽윤 상태의 섬유 직물을 나타내고, 도 6은 습윤 팽윤 상태의 섬유 직물을 도시한다.
도 7은 두 개의 연속하는 노즐 바를 구현하는 특정 공정에 의해 두 개의 중첩된 섬유층의 형성이 달성된 본 발명의 예시적인 실시 형태에 따른 부직포 셀룰로오스 섬유 직물의 실험적으로 캡쳐된 이미지를 도시한다.
도 8은 모세관 직경의 함수로서 물의 모세관 높이에 의해 주어진 모세관 힘의 일반적인 의존성을 도시한다.
도 9는 액체 확산 속도에 대한 이방성 값을 가지는 직물에 의해 흡수된 액체의 비-등방성 확산을 도시한 개략도를 도시한다.
도 10은 내부 구조가 복수의 피브릴 구조 및 그에 따른 서브마이크론 규모의 채널을 갖는 단일 섬유의 실험적으로 캡쳐된 이미지를 도시한다.
도 11은 실질적으로 평행한 방식으로 응고된 섬유 및, 상이한 크기 및 형상의 공동에서 꼬입, 섬유내 직경 변화, 섬유간 직경 변화를 가지는 부직포 셀룰로오스 섬유 직물의 실험적으로 캡쳐된 이미지를 도시한다.
도 12는 섬유들 사이의 상이한 유형의 병합 위치 및 섬유들 사이의 교차위치가 도시된 부직포 셀룰로오스 섬유 직물의 개략도를 도시한다.
도 13은 두 개의 적층 및 병합된 섬유 네트워크 층을 포함하는 부직포 셀룰로오스 섬유 직물의 개략도를 도시한다.
도 14는 본 발명의 예시적인 실시 형태에 따라 원형 단면에서 벗어난 단면을 가지는 섬유의 진원도가 섬유 단면의 내접원과 외접원 사이의 비율로 어떻게 계산될 수 있는지를 도시한다.
도 15는 3개의 네트워크 층을 포함하는 부직포 셀룰로오스 섬유 직물을 도시한다.
도 16은 본 발명의 예시적인 일 실시형태에 따른 무한 셀룰로오스 섬유 웹의 두 개의 적층된 층으로 구성된 부직포 셀룰로오스 섬유 직물을 제조하기 위한 장치의 일부를 도시한다.
Claims (13)
- 셀룰로오스 섬유 부직포 (102)로서, 라이오셀 방사 용액 (104)으로부터 직접 제조되며, 상기 셀룰로오스 섬유 부직포 (102)는 무한 섬유 (108)의 네트워크를 포함하며, 여기서:
셀룰로오스 섬유 부직포 (102)는 5분 내에 3000 mm2 이상의 액체 확산 속도를 나타내거나,
셀룰로오스 섬유 부직포 (102)는 부직포 1g 및 1 초당 물 0.25g 이상의 위킹 속도를 나타내거나, 또는
셀룰로오스 섬유 부직포 (102)는 5분 내에 3000 mm2 이상의 액체 확산 속도를 나타내고 셀룰로오스 섬유 부직포 (102)는 부직포 1g 및 1 초당 물 0.25g 이상의 위킹 속도를 나타내며;
동일한 섬유 (108) 내에서, 상이한 섬유 섹션은 이 섬유 (108)의 가장 최소 직경과 관련하여 관련 섬유 직경이 50% 초과만큼 관련 섬유 직경이 상이한 것인, 셀룰로오스 섬유 부직포 (102). - 제1항에 있어서, 상기 5분 내의 액체 확산 속도가 4000 mm2 이상인, 셀룰로오스 섬유 부직포 (102).
- 제1항에 있어서,
상기 셀룰로오스 섬유 부직포 (102) 내의 제1 방향을 따라서 액체 확산 속도는 제1 값을 가지며, 및
상기 셀룰로오스 섬유 부직포 (102)내의 제2 방향을 따라서 액체 확산 속도는 제2 값을 가지며, 상기 제2 방향은 상기 제1 방향 값에 수직이고,
제1 값과 제2 값은 서로 20% 미만으로 상이하거나, 또는
제1 값과 제2 값은 서로 20% 초과로 상이한 것인, 셀룰로오스 섬유 부직포 (102). - 제1항에 있어서,
상기 위킹 속도는 부직포 1 g 및 1 초당 물 0.30g 이상인, 셀룰로오스 섬유 부직포 (102). - 제1항에 있어서,
섬유 (108)의 적어도 일부는 병합 위치 (204)에서 일체로 병합되는, 셀룰로오스 섬유 부직포 (102). - 제1항에 있어서,
섬유 (108) 중 상이한 것은 상이한 구별 가능한 층들 (200, 202)에 적어도 부분적으로 위치하며,상기 셀룰로오스 섬유 부직포는 하기 특징 중 하나를 포함하는 셀룰로오스 섬유 부직포 (102):
상이한 층들 (200, 202)의 섬유 (108)는 층들 (200, 202) 사이의 하나 이상의 층간 병합 위치 (204)에서 일체로 연결되고,
상이한 층들 (200, 202)에 적어도 부분적으로 위치된 섬유 (108)의 상이한 것은 섬유 직경에 대하여 상이하고;
상이한 층들 (200, 202)의 섬유 (108)는 동일한 섬유 직경을 가지고;
상이한 층들 (200, 202)의 섬유 (108) 네트워크는 상이한 기능성을 제공하며, 상기 상이한 기능성이란, 상이한 위킹(wicking), 상이한 이방성 거동, 상이한 액체 흡수 능력, 상이한 세정성, 상이한 광학 특성, 상이한 거칠기, 상이한 평활도, 및 상이한 기계적 특성으로 이루어진 군 중 하나 이상을 포함함. - 제1항에 있어서, 상이한 섬유 (108)는 섬유 (108)의 최소 직경과 관련하여 50% 초과만큼 관련 섬유 직경이 상이한, 셀룰로오스 섬유 부직포 (102).
- 제1항에 있어서,
상기 섬유 네트워크는 하기 특징 중 하나 이상을 포함하는 것인 셀룰로오스 섬유 부직포 (102):
섬유 (108)의 3% 이상은 90% 이하의 진원도(roundness)를 갖는 비원형 단면 형상을 가지고,
섬유 (108)의 1% 이상은 80% 이하의 진원도를 갖는 비원형 단면 형상을 가짐. - 제1항에 있어서,
상기 섬유는 5 pm 미만의 구리 함량 및/또는 2 ppm 미만의 니켈 함량을 갖는, 셀룰로오스 섬유 부직포 (102). - 라이오셀 방사 용액 (104)으로부터 직접적으로 셀룰로오스 섬유 부직포 (102)를 제조하는 방법으로서, 상기 방법은
가스 유동 (146)에 의해 지지되는 오리피스 (126)를 가지는 제트 (122)를 통해 라이오셀 방사 용액 (104)을 응고 유체 (106) 분위기로 압출하여 무한 섬유 (108)를 형성하는 것;
섬유 지지 유닛 (132)상에 섬유 (108)를 수집하여 셀룰로오스 섬유 부직포 (102)를 형성하는 것; 및
제조 공정의 공정 파라미터를 조정하는 것;을 포함하는 방법으로서,
동일한 섬유 (108) 내에서, 상이한 섬유 섹션은 이 섬유 (108)의 가장 최소 직경과 관련하여 관련 섬유 직경이 50% 초과만큼 관련 섬유 직경이 상이하고; 및
셀룰로오스 섬유 부직포 (102)는 5분 내에 3000 mm2 이상의 액체 확산 속도를 나타내거나,
셀룰로오스 섬유 부직포 (102)는 부직포 1g 및 1 초당 물 0.25g 이상의 위킹 속도를 나타내거나, 또는
셀룰로오스 섬유 부직포 (102)는 5분 내에 3000 mm2 이상의 액체 확산 속도를 나타내고 셀룰로오스 섬유 부직포 (102)는 부직포 1g 및 1 초당 물 0.25g 이상의 위킹 속도를 나타내도록;
제조 공정의 공정 파라미터를 조정하는 것인, 방법. - 라이오셀 방사 용액 (104)으로부터 직접적으로 셀룰로오스 섬유 부직포 (102)를 제조하기 위한 장치 (100)로서, 상기 장치 (100)는,
가스 유동 (146)에 의해 지지되는 라이오셀 방사 용액 (104)을 압출하도록 구성된 오리피스 (126)를 갖는 제트 (122);
압출된 라이오셀 방사 용액 (104)에 응고 유체 (106) 분위기를 제공하여 무한 섬유 (108)을 형성하도록 구성된 응고 유닛 (128);
섬유 (108)를 수집하여 셀룰로오스 섬유 부직포 (102)를 형성하도록 구성된 섬유 지지 유닛 (132); 및
공정 파라미터를 조정하도록 구성된 제어 유닛 (140)을 포함하는 것인, 장치로서,
동일한 섬유 (108) 내에서, 상이한 섬유 섹션은 이 섬유 (108)의 가장 최소 직경과 관련하여 관련 섬유 직경이 50% 초과만큼 관련 섬유 직경이 상이하고; 및
셀룰로오스 섬유 부직포 (102)는 5분 내에 3000 mm2 이상의 액체 확산 속도를 나타내거나,
셀룰로오스 섬유 부직포 (102)는 부직포 1g 및 1 초당 물 0.25g 이상의 위킹 속도를 나타내거나, 또는
셀룰로오스 섬유 부직포 (102)는 5분 내에 3000 mm2 이상의 액체 확산 속도를 나타내고 셀룰로오스 섬유 부직포 (102)는 부직포 1g 및 1 초당 물 0.25g 이상의 위킹 속도를 나타내도록 공정 파라미터를 조정하도록 구성된 제어 유닛인 것인, 장치 (100). - 와이프(wipe), 가정용 시트, 필터, 위생 용품, 의학적 적용 용품, 지오텍스타일, 아그로텍스타일, 의류, 건축 기술 용품, 자동차 용품, 가구, 산업 용품, 레저, 미용, 스포츠 또는 여행 관련 용품 및 학교 또는 사무실 관련 용품으로 이루어진 군 중 하나 이상에 제1항 내지 제9항 중 어느 한 항에 따른 셀룰로오스 섬유 부직포 (102)를 사용하는 방법.
- 제1항 내지 제9항 중 어느 한 항에 제시된 바에 따른 셀룰로오스 섬유 부직포를 포함하는 제품.
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EP17164623.5A EP3385433A1 (en) | 2017-04-03 | 2017-04-03 | Nonwoven cellulose fiber fabric with tailored liquid wicking capability |
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PCT/EP2018/057885 WO2018184932A1 (en) | 2017-04-03 | 2018-03-28 | Nonwoven cellulose fiber fabric with tailored liquid wicking capability |
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TW202031958A (zh) * | 2018-12-05 | 2020-09-01 | 奧地利商蘭仁股份有限公司 | 生產管狀纖維素紡黏不織布的方法和裝置 |
EP3747614A1 (de) * | 2019-06-04 | 2020-12-09 | Lenzing Aktiengesellschaft | Verfahren zum bereitstellen eines aufbereiteten cellulose-aufweisenden ausgangsstoffes mit vorbestimmter faserlängenverteilung |
EP3730112A1 (en) | 2019-10-02 | 2020-10-28 | Lenzing Aktiengesellschaft | Acquisition/distribution layer and absorbent hygiene article containing said acquisition/distribution layer |
EP3730111A1 (en) | 2019-10-02 | 2020-10-28 | Lenzing Aktiengesellschaft | Liquid permeable topsheet and absorbent hygiene article containing said topsheet |
EP3812489A1 (en) * | 2019-10-23 | 2021-04-28 | Lenzing Aktiengesellschaft | Roller surface used in lyocell filament production |
DE102020122864A1 (de) * | 2020-01-10 | 2021-07-15 | Trützschler GmbH & Co Kommanditgesellschaft | Anlage und Verfahren zur Herstellung eines ein- oder mehrlagigen Vlieses |
CN112461411A (zh) * | 2020-10-29 | 2021-03-09 | 扬州大学 | 基于液体芯有机压电纤维的仿生皮肤 |
US20240307160A1 (en) * | 2020-12-21 | 2024-09-19 | Bahcesehir Universitesi | Production of dental floss from wood fibers |
CN112813580A (zh) * | 2021-02-05 | 2021-05-18 | 上海精发实业股份有限公司 | 一种可完全生物降解的擦拭用非织造布 |
EP4215170A1 (en) | 2022-01-20 | 2023-07-26 | Lenzing Aktiengesellschaft | Nonwoven layer comprising a network of substantially continuous regenerated cellulosic fibers |
EP4293148A1 (en) | 2022-06-15 | 2023-12-20 | Lenzing Aktiengesellschaft | Nonwoven layer comprising a network of substantially continuous regenerated cellulosic fibers |
WO2024155829A2 (en) * | 2023-01-18 | 2024-07-25 | Sage Eco-Innovations, Llc | Biodegradable layered composite |
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BR112019020741A2 (pt) | 2020-04-28 |
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TWI811210B (zh) | 2023-08-11 |
JP2020515737A (ja) | 2020-05-28 |
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EP3607129B1 (en) | 2022-11-02 |
EP3385433A1 (en) | 2018-10-10 |
PL3607129T3 (pl) | 2023-03-20 |
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EP3607129A1 (en) | 2020-02-12 |
ES2935133T3 (es) | 2023-03-01 |
KR20190130653A (ko) | 2019-11-22 |
CN110651077A (zh) | 2020-01-03 |
US20180282921A1 (en) | 2018-10-04 |
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