KR20200033885A - 흡수성 복합재 - Google Patents
흡수성 복합재 Download PDFInfo
- Publication number
- KR20200033885A KR20200033885A KR1020207004368A KR20207004368A KR20200033885A KR 20200033885 A KR20200033885 A KR 20200033885A KR 1020207004368 A KR1020207004368 A KR 1020207004368A KR 20207004368 A KR20207004368 A KR 20207004368A KR 20200033885 A KR20200033885 A KR 20200033885A
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- KR
- South Korea
- Prior art keywords
- absorbent
- composite
- fibers
- less
- absorbent composite
- 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.)
- Granted
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer layers
- A61F2013/53991—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 characterised by the connection of the absorbent layers with each other or with the outer layers by ultrasonic method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2535/00—Medical equipment, e.g. bandage, prostheses or catheter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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Abstract
Description
도 1은 본 발명의 하나의 실시양태에 따른 흡수성 복합재를 예시하고;
도 2는 본 발명의 하나의 실시양태에 따른 필름을 포함하는 흡수성 복합재를 예시하고;
도 3은 천공 주위에 배치된 흡수성 복합재를 포함하는 외과용 드레이프를 예시한다.
Claims (57)
- 하기를 포함하는 흡수성 복합재로서,
(a) 친수성 섬유를 포함하는 부직 상단 층; 및
(b) 부직 상단 층에 직접적으로 또는 간접적으로 부착된 흡수성 코어 층으로서, 스루-에어-본디드 부직물을 포함하는 흡수성 코어 층,
여기서 흡수성 복합재는 (i) ISO 9073-11에 의해 결정 시 50% 미만의 복합재-런-오프 값; (ii) ISO 9073에 의해 결정 시 적어도 600%의 복합재-흡수 용량; 및 (iii) D824-94에 의해 결정 시 5 ml 액체 샘플에 대하여 10초 미만의 복합재-흡수 속도를 포함하는 것인
흡수성 복합재. - 제1항에 있어서, 부직 상단 층이 스펀멜트 부직물, 예컨대 스펀본드 부직물, 멜트블로운 부직물, 또는 이들의 조합을 포함하는 것인 흡수성 복합재.
- 제2항에 있어서, 스펀멜트 부직물이 S1a-Mb-S2c 구조를 포함하며; 여기서 'S1'은 제1 스펀본드 물질이고, 'M'은 멜트블로운 물질이고, 'S2'는 제2 스펀본드 물질이고, 'a', 'b', 및 'c'는 각각의 층의 수를 나타내고, 각각은 독립적으로 1, 2, 3, 4, 또는 5로부터 선택될 수 있는 것인 흡수성 복합재.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 부직 상단 층이 스테이플 섬유를 포함하는 카디드 웹을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 부직 상단 층이 적어도 약 30 중량%의 친수성 섬유, 예컨대 적어도 약 40 중량%, 적어도 약 50 중량%, 적어도 약 60 중량%, 적어도 약 70 중량%, 적어도 약 80 중량%, 적어도 약 90 중량%, 또는 약 100 중량%의 친수성 섬유를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 부직 상단 층이 IST 70.1에 의해 결정 시 적어도 약 100 입방-피트/분 (CFM), 예컨대 IST 70.1에 의해 결정 시 적어도 약 150 CFM, 적어도 약 200 CFM, 적어도 약 250 CFM, 적어도 약 300 CFM, 적어도 약 350 CFM, 적어도 약 400 CFM, 또는 적어도 약 500 CFM의 공기 투과성을 갖는 것인 흡수성 복합재.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 부직 상단 층이 약 1-30%, 예컨대 약 1-25%, 약 3-20%, 또는 약 5-15%를 포함하는 흡수성 복합재의 형성 전의 접합 면적을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 부직 상단 층이 열-형성된 점 접합, 초음파 접합, 기계적 접합, 또는 이들의 임의의 조합을 포함하는 흡수성 복합재의 형성 전의 접합 패턴을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 부직 상단 층이 IST 20.5에 의해 결정 시 약 2 mg 미만, 예컨대 IST 20.5에 의해 결정 시 약 1.75 mg 미만, 약 1.5 mg 미만, 약 1.25 mg 미만, 약 1.0 mg 미만, 약 0.75 mg 미만, 또는 약 0.50 mg 미만의 상단-층-마틴데일 마모 값을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 부직 상단 층이 약 10-60 그램/평방-미터 (gsm), 예컨대 약 15-50 gsm, 20-50 gsm, 25-45 gsm, 25-40 gsm, 또는 약 25-35 gsm의 기본 중량을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 부직 상단 층의 친수성 섬유가 단일성분 섬유, 다성분 섬유, 또는 이들의 조합을 포함하는 것인 흡수성 복합재.
- 제11항에 있어서, 부직 상단 층의 친수성 섬유가 하나 이상의 합성 중합체, 예컨대 폴리올레핀, 폴리에스테르, 폴리아미드, 폴리락트산, 폴리글리콜산, 또는 이들의 임의의 조합을 포함하는 단일성분 섬유를 포함하는 것인 흡수성 복합재.
- 제12항에 있어서, 폴리올레핀이 폴리프로필렌 또는 폴리에틸렌을 포함하는 것인 흡수성 복합재.
- 제11항에 있어서, 부직 상단 층의 친수성 섬유가 다성분 섬유, 예컨대 시스-코어 구성을 포함하는 이성분 섬유를 포함하는 것인 흡수성 복합재.
- 제14항에 있어서, 이성분 섬유가 폴리에틸렌을 포함하는 시스 및 폴리프로필렌 또는 폴리에스테르 중 적어도 하나를 포함하는 코어를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제15항 중 어느 한 항에 있어서, 흡수성 코어 층이 복수의 흡수성-코어-섬유를 포함하며, 복수의 흡수성-코어-섬유는 연속 섬유, 멜트블로운 섬유, 스테이플 섬유, 또는 이들의 조합을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제16항 중 어느 한 항에 있어서, 복수의 흡수성-코어-섬유가 적어도 약 30 중량%의 친수성 섬유, 예컨대 적어도 약 40 중량%, 적어도 약 50 중량%, 적어도 약 60 중량%, 적어도 약 70 중량%, 적어도 약 80 중량%, 적어도 약 90 중량%, 또는 약 100 중량%의 친수성 섬유를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제17항 중 어느 한 항에 있어서, 흡수성 코어 층이 천연 셀룰로스계 물질 및 합성 셀룰로스계 물질을 갖지 않는 것인 흡수성 복합재.
- 제1항 내지 제18항 중 어느 한 항에 있어서, 복수의 흡수성-코어-섬유가 하나 이상의 합성 중합체, 예컨대 폴리올레핀, 폴리에스테르, 폴리아미드, 폴리락트산, 폴리글리콜산, 또는 이들의 임의의 조합을 포함하는 단일성분 섬유를 포함하는 것인 흡수성 복합재.
- 제19항에 있어서, 폴리올레핀이 폴리프로필렌 또는 폴리에틸렌을 포함하는 것인 흡수성 복합재.
- 제19항에 있어서, 복수의 흡수성-코어-섬유가 다성분 섬유, 예컨대 시스-코어 구성 또는 사이드-바이-사이드 구성을 포함하는 이성분 섬유를 포함하는 것인 흡수성 복합재.
- 제21항에 있어서, 이성분 섬유가 폴리에틸렌을 포함하는 시스 및 폴리프로필렌 또는 폴리에스테르 중 적어도 하나를 포함하는 코어를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제22항 중 어느 한 항에 있어서, 복수의 흡수성-코어-섬유가 단일성분 섬유 및 다성분 섬유의 블렌드를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제22항 중 어느 한 항에 있어서, 복수의 흡수성-코어-섬유가 이성분 섬유로 이루어지는 것인 흡수성 복합재.
- 제1항 내지 제24항 중 어느 한 항에 있어서, 복수의 흡수성-코어-섬유가 최대 약 5 데니어, 예컨대 최대 약 4, 3, 2.5, 2, 또는 1.5 데니어의 평균 데니어를 갖는 것인 흡수성 복합재.
- 제1항 내지 제24항 중 어느 한 항에 있어서, 중량 기준으로 흡수성-코어-섬유의 적어도 약 50 중량%가 약 1 내지 약 3 데니어의 데니어를 갖고, 예컨대 흡수성-코어-섬유의 적어도 약 70 중량%, 적어도 약 85 중량%, 적어도 약 90 중량%, 또는 약 100 중량%가 1 내지 3 데니어의 데니어를 갖는 것인 흡수성 복합재.
- 제1항 내지 제26항 중 어느 한 항에 있어서, 흡수성-코어-섬유가 (i) 약 1 내지 약 3 데니어의 데니어를 갖는 미세 섬유; 및 (ii) 약 6 내지 약 9 데니어의 데니어를 갖는 조대 섬유의 블렌드를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제26항 중 어느 한 항에 있어서, 흡수성 코어 층이 (i) 폴리에틸렌 시스 및 폴리프로필렌 코어를 갖는 이성분 섬유의 제1 그룹, 및 (ii) 폴리에틸렌 시스 및 폴리에스테르 코어를 갖는 이성분 섬유의 제2 그룹의 블렌드를 포함하는 것인 흡수성 복합재.
- 제28항에 있어서, 이성분 섬유의 제1 그룹 대 이성분 섬유의 제2 그룹의 비가, 중량 기준으로, 약 10 : 90 내지 약 70 : 30, 예컨대 약 20 : 80 내지 약 60 : 40, 약 20 : 80 내지 약 50 : 50, 또는 약 20 : 80 내지 약 40 : 60을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제29항 중 어느 한 항에 있어서, 흡수성 코어 층이 스테이플 섬유를 포함하는 카디드 부직물을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제30항 중 어느 한 항에 있어서, 흡수성 코어 층이 12 cc/g 초과, 예컨대 약 14 cc/g 초과, 약 15 cc/g 초과, 약 16 cc/g 초과, 약 17 cc/g 초과, 약 18 cc/g 초과, 약 19 cc/g 초과, 또는 약 20 cc/g 초과의 공극 부피를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제31항 중 어느 한 항에 있어서, 흡수성 코어 층이 약 1600 CFM 미만, 예컨대 약 1500 CFM, 1400 CFM, 1300 CFM, 1200 CFM, 1100 CFM, 1000 CFM, 900 CFM, 800 CFM, 및 700 CFM 미만의 흡수성-코어-층-공기 투과성을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제32항 중 어느 한 항에 있어서, 흡수성 코어 층이 ISO 9073에 의해 결정 시 약 1200% 초과, 예컨대 ISO 9073에 의해 결정 시 약 1400%, 1600%, 1800%, 2000%, 2200%, 2400%, 2600%, 2800%, 또는 3000% 초과의 흡수성-코어-층-흡수 용량을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제33항 중 어느 한 항에 있어서, 흡수성 코어 층이 약 10-200 gsm, 예컨대 약 10-175 gsm, 약 10-150 gsm, 약 10-125 gsm, 약 10-100 gsm, 약 10-75 gsm, 약 10-50 gsm, 약 10-50 gsm, 약 10-25 gsm, 또는 약 15-25 gsm의 흡수성-코어-층-기본 중량을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제34항 중 어느 한 항에 있어서, 부직 상단 층 및 흡수성 코어 층이 열-형성된 점 접합, 초음파 접합, 기계적 접합, 또는 이들의 임의의 조합으로부터 형성된 복합재-접합 패턴을 통해 함께 직접적으로 또는 간접적으로 접합된 것인 흡수성 복합재.
- 제35항에 있어서, 복합재 접합-패턴이 복수의 초음파 점 접합을 포함하는 것인 흡수성 복합재.
- 제35항 또는 제36항에 있어서, 복합재-접합 패턴이 흡수성 복합재의 표면의 30% 이하, 예컨대 흡수성 복합재의 표면의 약 25% 이하, 약 20% 이하, 약 15% 이하, 약 10% 이하, 또는 약 5% 이하의 복합재-접합 면적을 한정하는 것인 흡수성 복합재.
- 제1항 내지 제37항 중 어느 한 항에 있어서, 흡수성 코어 층에 부착된 필름을 추가로 포함하며, 여기서 흡수성 코어 층은 부직 상단 층과 필름 사이에 직접적으로 또는 간접적으로 샌드위칭된 것인 흡수성 복합재.
- 제38항에 있어서, 필름이 수 불침투성 필름을 포함하고 적어도 하나의 폴리올레핀, 예컨대 폴리에틸렌을 포함하는 것인 흡수성 복합재.
- 제38항 또는 제39항에 있어서, 필름이 흡수성 코어 층과 필름 사이에 직접적으로 또는 간접적으로 배치된 접착제 층을 통해 흡수성 코어 층에 부착된 것인 흡수성 복합재.
- 제38항 또는 제39항에 있어서, 필름이 흡수성 코어 층 상에 직접적으로 또는 간접적으로 압출 코팅된 것인 흡수성 복합재.
- 제1항 내지 제41항 중 어느 한 항에 있어서, 흡수성 복합재가 ISO 9073-11에 의해 결정 시 45% 미만, 예컨대 ISO 9073-11에 의해 결정 시 45% 미만, 40% 미만; 35% 미만, 30% 미만, 30% 미만, 25% 미만, 또는 20% 미만의 복합재-런-오프 값을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제42항 중 어느 한 항에 있어서, 흡수성 복합재가 ISO 9073에 의해 결정 시 적어도 600%, 예컨대 ISO 9073에 의해 결정 시 적어도 650%, 적어도 700%, 적어도 725%, 적어도 750%, 적어도 775%, 적어도 800%, 적어도 825%, 적어도 850%, 적어도 875%, 적어도 900%, 적어도 950%, 또는 적어도 1000%의 복합재-흡수 용량을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제43항 중 어느 한 항에 있어서, 흡수성 복합재가 D824-94에 의해 결정 시 5 ml 액체 샘플에 대하여 9초 미만, 예컨대 D824-94에 의해 결정 시 8초 미만, 7초 미만, 6초 미만, 5초 미만, 또는 4초 미만의 복합재-흡수 속도를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제44항 중 어느 한 항에 있어서, 흡수성 복합재가 적어도 7 g/cc, 예컨대 적어도 8 cc/g, 또는 적어도 9 cc/g의 복합재-공극 부피를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제44항 중 어느 한 항에 있어서, 흡수성 복합재가 IST 20.5에 의해 결정 시 약 2 mg 미만, 예컨대 IST 20.5에 의해 결정 시 약 1.75 mg 미만, 약 1.5 mg 미만, 약 1.25 mg 미만, 약 1.0 mg 미만, 약 0.75 mg 미만, 또는 약 0.50 mg 미만의 복합재-마틴데일 마모 값을 포함하는 것인 흡수성 복합재.
- 제1항 내지 제45항 중 어느 한 항에 있어서, 흡수성 복합재가 ISO 9073에 의해 결정 시 6 : 1 내지 15 : 1, 예컨대 6 : 1 내지 12 : 1, 약 7 : 1 내지 10 : 1, 약 7 : 1 내지 9 : 1, 약 7 : 1 내지 8.5 : 1, 또는 7.5 : 1 내지 8.5 : 1의 흡수성 복합재에 의해 흡수된 물의 중량 대 복합재의 건조 중량 사이의 복합재-물-흡수 비를 포함하는 것인 흡수성 복합재.
- 제1항 내지 제46항 중 어느 한 항에 있어서, 흡수성 복합재가 외과용 드레이프, 외과용 드레이프의 일부, 트레이 라이너, 또는 환자-하부 흡수성 패드를 포함하는 것인 흡수성 복합재.
- 제48항에 있어서, 흡수성 복합재가, 수술 절차가 수행될 수 있는 천공을 둘러싼 천공 물질을 포함하는 것인 흡수성 복합재.
- 하기 단계를 포함하는, 흡수성 복합재를 제조하는 방법:
(a) 친수성 섬유를 포함하는 부직 상단 층을 제공하는 단계;
(b) 흡수성 코어 층을 제공하며, 여기서 흡수성 코어 층은 스루-에어-본디드 부직물을 포함하는 것인 단계; 및
(c) 부직 상단 층 및 흡수성 코어 층을 직접적으로 또는 간접적으로 부착시켜 흡수성 복합재를 제공하며; 여기서 흡수성 복합재는 제1항 내지 제49항 중 어느 한 항에 따른 흡수성 복합재를 포함하는 것인 단계. - 제51항에 있어서, 부직 상단 층, 흡수성 코어 층, 또는 이들 둘 다를 친수성 첨가제로 국소 처리하는 것을 추가로 포함하는 방법.
- 제50항 또는 제51항에 있어서, 친수성 첨가제를 포함하는 제1 중합체 용융물을 형성하고 부직 상단 층의 친수성 섬유를 형성하는 것을 추가로 포함하는 방법.
- 제50항 내지 제52항 중 어느 한 항에 있어서, 친수성 첨가제를 포함하는 제2 중합체 용융물을 형성하고 흡수성-코어-섬유를 형성하는 것을 추가로 포함하는 방법.
- 제50항 내지 제53항 중 어느 한 항에 있어서, 필름을 직접적으로 또는 간접적으로 흡수성 코어 층에 부착시키는 것을 추가로 포함하며, 여기서 흡수성 코어 층은 부직 상단 층과 필름 사이에 직접적으로 또는 간접적으로 샌드위칭되는 것인 방법.
- 제54항에 있어서, 필름이 수 불침투성 필름을 포함하고 적어도 하나의 폴리올레핀, 예컨대 폴리에틸렌을 포함하는 것인 방법.
- 제54항 또는 제55항에 있어서, 필름을 흡수성 코어 층에 부착시키는 것이, 필름을 흡수성 코어 층에 접착제 라미네이팅시키는 것을 포함하는 것인 방법.
- 제54항 또는 제55항에 있어서, 필름을 흡수성 코어 층에 부착시키는 것이, 필름을 흡수성 코어 층 상에 압출 코팅하는 것을 포함하는 것인 방법.
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| IT202000006835A1 (it) * | 2020-04-01 | 2021-10-01 | Gdm Spa | Nastro composito |
| US11453535B2 (en) * | 2020-05-08 | 2022-09-27 | Berry Global, Inc. | Selectively openable closure for a container |
| CN112239920B (zh) * | 2020-10-12 | 2022-02-25 | 上海邀加科技有限公司 | 一种功能性熔喷材料的制备方法 |
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| US12576611B2 (en) | 2021-06-04 | 2026-03-17 | Nanhai Nanxin Non-Woven Co. Ltd. | Nonwoven fabrics suitable for medical applications |
| JP2023064725A (ja) * | 2021-10-26 | 2023-05-11 | 花王株式会社 | 立体賦形シート及びこの製造方法 |
| WO2025101179A1 (en) * | 2023-11-10 | 2025-05-15 | Kimberly-Clark Worldwide, Inc. | An absorbent article with fluid control features |
| WO2026004022A1 (ja) * | 2024-06-26 | 2026-01-02 | ユニ・チャーム株式会社 | 吸収性物品 |
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| BR112020001158A2 (pt) | 2020-07-21 |
| JP2020527978A (ja) | 2020-09-17 |
| AU2018302135A2 (en) | 2020-02-13 |
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| CA3070268A1 (en) | 2019-01-24 |
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