KR20180083871A - 중합체 필름 및 중합체 필름의 제조 방법 - Google Patents
중합체 필름 및 중합체 필름의 제조 방법 Download PDFInfo
- Publication number
- KR20180083871A KR20180083871A KR1020187015313A KR20187015313A KR20180083871A KR 20180083871 A KR20180083871 A KR 20180083871A KR 1020187015313 A KR1020187015313 A KR 1020187015313A KR 20187015313 A KR20187015313 A KR 20187015313A KR 20180083871 A KR20180083871 A KR 20180083871A
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- South Korea
- Prior art keywords
- polyolefin
- layer
- film
- psi
- gsm
- Prior art date
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Images
Classifications
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- B29C47/065—
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
- B32B27/205—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents the fillers creating voids or cavities, e.g. by stretching
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- B29C47/0021—
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- B29C47/0057—
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- B29C47/8845—
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- B29C47/886—
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- B29C47/8865—
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- B29C47/887—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
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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
- B32B2555/00—Personal care
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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
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Abstract
Description
도 1은 두 개의 층을 포함하는 다층 필름의 대표적 구현예의 개략도이다;
도 2는 중합체 필름의 기계 방향(MD) 연신을 위한 예시적 공정의 개략도이다;
도 3은 중합체 필름의 횡방향(CD) 연신을 위한 예시적 공정의 개략도이다;
도 4는 중합체 필름의 맞물림 기어(IMG) 연신을 위한 예시적 공정의 개략도이다;
도 5는 진공 박스를 이용하여 냉각 롤에 대해 용융된 웹을 캐스팅하기 위한 예시적 공정의 개략도이다;
도 6은 에어 나이프를 이용하여 냉각 롤에 대해 용융된 웹을 캐스팅하기 위한 예시적 공정의 개략도이다; 및
도 7은 3층을 포함하는 다층 비-통기성 필름의 대표적 구현예의 개략도이다.
도 8은 부직포 재료에 결합되는 다층 비-통기성 필름의 대표적인 구현예의 개략도이다.
도 9는 5개의 층을 포함하는 다층 비-통기성 필름의 대표적인 구현예의 개략도이다.
도 10은 두 개의 층을 포함하는 다층 부분-통기성 필름의 대표적인 구현예의 개략도이다.
Claims (81)
- 적어도 하나의 공동화 코어 층 및 적어도 하나의 비-공동화 외피 층을 포함하는 다층 필름의 제조 방법으로서,
용융된 웹을 형성하기 위해 두 개 이상의 압출 가능한 재료를 압출하는 단계로서, 두 개 이상의 압출 가능한 재료 중 적어도 하나는 제1 폴리올레핀과 무기질 충전제를 포함하며, 두 개 이상의 압출 가능한 재료 중 적어도 다른 하나는 제2 폴리올레핀을 포함하는, 단계;
급냉된 필름을 형성하기 위해 에어 나이프, 에어 블랭킷, 진공 박스, 또는 이의 조합을 사용하여 냉각 롤의 표면에 대해 용융된 웹을 주조하는 단계; 및
다층 필름을 형성하기 위해 급냉된 필름을 연신시키는 단계를 포함하며;
상기 제1 폴리올레핀 및 제2 폴리올레핀은 동일하거나 상이한, 다층 필름의 제조 방법. - 제1항에 있어서,
상기 다층 필름은 제1 비-공동화 외피 층 및 제2 비-공동화 외피 층을 포함하며, 상기 적어도 하나의 공동화 코어 층은 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되는, 방법. - 제1항에 있어서,
상기 제1 폴리올레핀 및 제2 폴리올레핀은 폴리에틸렌, 폴리프로필렌 및 이의 조합으로 이루어지는 그룹으로부터 개별적으로 선택되는, 방법. - 제1항에 있어서,
상기 제1 폴리올레핀은 폴리프로필렌을 포함하는, 방법. - 제1항에 있어서,
상기 제2 폴리올레핀은 폴리프로필렌을 포함하는, 방법. - 제1항에 있어서,
상기 제1 폴리올레핀과 제2 폴리올레핀 각각은 폴리프로필렌을 포함하는, 방법. - 제1항에 있어서,
상기 무기질 충전제의 평균 입자 크기는 약 0.1 마이크론 내지 약 15 마이크론인, 방법. - 제1항에 있어서,
상기 무기질 충전제는 탄산 나트륨, 탄산 칼슘, 탄산 마그네슘, 황산 바륨, 황산 마그네슘, 황산 알루미늄, 산화 마그네슘, 산화 칼슘, 알루미나, 운모, 활석, 실리카, 점토, 유리 구, 이산화 티타늄, 수산화 알루미늄, 제올라이트 및 이의 조합으로 이루어지는 그룹으로부터 선택되는, 방법. - 제1항에 있어서,
상기 무기질 충전제는 알칼리 금속 탄산염, 알칼리 토금속 탄산염, 알칼리 금속 황산염, 알칼리 토금속 황산염 또는 이의 조합을 포함하는, 방법. - 제1항에 있어서,
상기 무기질 충전제는 탄산 칼슘을 포함하는, 방법. - 제1항에 있어서,
상기 용융된 웹은 진공 박스에 의해 음압 하에서 냉각 롤의 표면에 대해 주조되는, 방법. - 제1항에 있어서,
상기 용융된 웹은 에어 나이프에 의해 양압 하에서 냉각 롤의 표면에 대해 주조되는, 방법. - 제1항에 있어서,
상기 연신시키는 단계는 기계 방향(MD) 연신, 교차-방향(CD) 연신, 맞물림 기어(IMG) 연신, 냉간 인발, 또는 이의 조합을 포함하는, 방법. - 제1항에 있어서,
상기 연신시키는 단계는 교차-방향 맞물림 기어(CD-IMG) 연신 및 기계 방향(MD) 연신을 포함하는, 방법. - 제1항에 있어서,
상기 다층 필름을 어닐링하는 단계를 더 포함하는, 방법. - 제1항에 있어서,
상기 어닐링이 화씨 약 75도 내지 화씨 약 225도의 온도에서 수행되는 다층 필름을 어닐링하는 단계를 더 포함하는, 방법. - 제1항에 있어서,
상기 적어도 하나의 비-공동화 외피 층의 적어도 일부분을 부직포 재료에 부착하는 단계를 더 포함하는, 방법. - 제1항에 있어서,
상기 다층 필름은 제1 비-공동화 외피 층 및 제2 비-공동화 외피 층을 포함하며, 상기 방법은 제1 비-공동화 외피 층 또는 제2 비-공동화 외피 층 어느 하나의 적어도 일부분을 부직포 재료에 부착하는 단계를 더 포함하는, 방법. - 제18항에 있어서,
상기 부직포 재료 및 상기 부직포 재료에 부착되는 제1 비-공동화 외피 층 또는 제2 비-공동화 외피 층 어느 하나의 일부분은 폴리프로필렌을 포함하는, 방법. - 제1 비-공동화 외피 층, 제2 비-공동화 외피 층 및 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되는 적어도 하나의 공동화 코어 층을 포함하는 다층 비-통기성 필름의 제조 방법으로서,
용융된 웹을 형성하기 위해 두 개 이상의 압출 가능한 재료를 압출하는 단계로서, 적어도 제1 압출 가능한 재료는 제1 폴리올레핀 및 무기질 충전제를 포함하고 적어도 하나의 공동화 코어 층을 형성하도록 구성되며, 적어도 제2 압출 가능한 재료는 제2 폴리올레핀을 포함하고 제1 비-공동화 외피 층 및 제2 비-공동화 외피 층 각각을 형성하도록 구성되는, 단계;
급냉된 필름을 형성하기 위해 에어 나이프, 에어 블랭킷, 진공 박스, 또는 이의 조합을 사용하여 냉각 롤의 표면에 대해 용융된 웹을 주조하는 단계; 및
다층 필름을 형성하기 위해 급냉된 필름을 연신시키는 단계를 포함하며;
상기 제1 폴리올레핀 및 제2 폴리올레핀은 동일하거나 상이한, 다층 비-통기성 필름의 제조 방법. - 제20항에 있어서,
상기 제1 폴리올레핀 및 제2 폴리올레핀은 폴리에틸렌, 폴리프로필렌 및 이의 조합으로 이루어지는 그룹으로부터 개별적으로 선택되는, 방법. - 제20항에 있어서,
상기 제1 폴리올레핀은 폴리프로필렌을 포함하는, 방법. - 제20항에 있어서,
상기 제2 폴리올레핀은 폴리프로필렌을 포함하는, 방법. - 제20항에 있어서,
상기 제1 폴리올레핀과 제2 폴리올레핀 각각은 폴리프로필렌을 포함하는, 방법. - 제20항에 있어서,
상기 무기질 충전제의 평균 입자 크기는 약 0.1 마이크론 내지 약 15 마이크론인, 방법. - 제20항에 있어서,
상기 무기질 충전제는 탄산 나트륨, 탄산 칼슘, 탄산 마그네슘, 황산 바륨, 황산 마그네슘, 황산 알루미늄, 산화 마그네슘, 산화 칼슘, 알루미나, 운모, 활석, 실리카, 점토, 유리 구, 이산화 티타늄, 수산화 알루미늄, 제올라이트 및 이의 조합으로 이루어지는 그룹으로부터 선택되는, 방법. - 제20항에 있어서,
상기 무기질 충전제는 알칼리 금속 탄산염, 알칼리 토금속 탄산염, 알칼리 금속 황산염, 알칼리 토금속 황산염 또는 이의 조합을 포함하는, 방법. - 제20항에 있어서,
상기 무기질 충전제는 탄산 칼슘을 포함하는, 방법. - 제20항에 있어서,
상기 용융된 웹은 진공 박스에 의해 음압 하에서 냉각 롤의 표면에 대해 주조되는, 방법. - 제20항에 있어서,
상기 용융된 웹은 에어 나이프에 의해 양압 하에서 냉각 롤의 표면에 대해 주조되는, 방법. - 제20항에 있어서,
상기 연신시키는 단계는 기계 방향(MD) 연신, 교차-방향(CD) 연신, 맞물림 기어(IMG) 연신, 냉간 인발, 또는 이의 조합을 포함하는, 방법. - 제20항에 있어서,
상기 연신시키는 단계는 교차-방향 맞물림 기어(CD-IMG) 연신 및 기계 방향(MD) 연신을 포함하는, 방법. - 제20항에 있어서,
상기 다층 비-통기성 필름을 어닐링하는 단계를 더 포함하는, 방법. - 제20항에 있어서,
상기 어닐링이 화씨 약 75도 내지 화씨 약 225도의 온도에서 수행되는 다층 비-통기성 필름을 어닐링하는 단계를 더 포함하는, 방법. - 제20항에 있어서,
상기 제1 비-공동화 외피 층 또는 제2 비-공동화 외피 층 어느 하나의 적어도 일부분을 부직포 재료에 부착하는 단계를 더 포함하는, 방법. - 제35항에 있어서,
상기 부직포 재료 및 상기 부직포 재료에 부착되는 제1 비-공동화 외피 층 또는 제2 비-공동화 외피 층 어느 하나의 적어도 일부분은 폴리프로필렌을 포함하는, 방법. - 제1 비-공동화 외피 층, 제2 비-공동화 외피 층, 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되는 적어도 하나의 공동화 코어 층, 및 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되는 적어도 하나의 극성 중합체 층을 포함하는 다층 비-통기성 필름의 제조 방법으로서,
용융된 웹을 형성하기 위해 세 개 이상의 압출 가능한 재료를 압출하는 단계로서, 적어도 제1 압출 가능한 재료는 제1 폴리올레핀 및 무기질 충전제를 포함하고 적어도 하나의 공동화 코어 층을 형성하도록 구성되며, 적어도 제2 압출 가능한 재료는 제2 폴리올레핀을 포함하고 제1 비-공동화 외피 층 및 제2 비-공동화 외피 층 각각을 형성하도록 구성되며, 적어도 제3 압출 가능한 재료는 흡습성 중합체를 포함하고 적어도 하나의 극성 중합체 층을 형성하도록 구성되는, 단계;
급냉된 필름을 형성하기 위해 에어 나이프, 에어 블랭킷, 진공 박스, 또는 이의 조합을 사용하여 냉각 롤의 표면에 대해 용융된 웹을 주조하는 단계; 및
다층 필름을 형성하기 위해 급냉된 필름을 연신시키는 단계를 포함하며;
상기 제1 폴리올레핀 및 제2 폴리올레핀은 동일하거나 상이한, 제조 방법. - 제37항에 있어서,
상기 흡습성 중합체는 흡습성 엘라스토머, 폴리에스테르, 폴리아미드, 폴리에테르에스테르 공중합체, 폴리에테르아미드 공중합체, 폴리우레탄, 폴리우레탄 공중합체, 폴리(에테르이미드) 에스테르 공중합체, 폴리비닐 알코올, 이오노머, 셀룰로오스, 니트로셀룰로오스 및 이의 조합으로 이루어지는 그룹으로부터 선택되는, 방법. - 제37항에 있어서,
상기 제3 압출 가능한 재료는 접착제를 더 포함하는, 방법. - 제39항에 있어서,
상기 접착제는 폴리에틸렌/아크릴레이트 공중합체, 에틸렌/메틸 아크릴레이트 공중합체, 산-개질된 아크릴레이트, 무수물-개질된 아크릴레이트, 에틸렌 비닐 아세테이트, 산/아크릴레이트-개질된 에틸렌 비닐 아세테이트, 무수물-개질된 에틸렌 비닐 아세테이트 또는 이의 조합을 포함하는, 방법. - 제37항에 있어서,
상기 제1 압출 가능한 재료는 접착제를 더 포함하는, 방법. - 제37항에 있어서,
상기 극성 중합체 층은 나일론, 폴리에스테르, 에틸렌 비닐 알코올 또는 이의 조합을 포함하는, 방법. - 제37항에 있어서,
상기 극성 중합체 층은 나일론, 폴리에스테르, 에틸렌 비닐 알코올, 나일론의 공중합체, 폴리에스테르의 공중합체, 에틸렌 비닐 알코올의 공중합체 및 이의 조합으로 이루어지는 그룹으로부터 선택되는, 방법. - 다층 필름으로서,
제1 폴리올레핀 및 제1 폴리올레핀 내에 분산된 무기질 충전제를 포함하는 적어도 하나의 공동화 코어 층, 및
제2 폴리올레핀을 포함하는 적어도 하나의 비-공동화 외피 층을 포함하며,
상기 다층 필름은 약 12 gsm 미만의 기본 중량을 가지며 적어도 약 800 그램/인치의 피크 기계 방향에서의 인장 강도, 적어도 약 200 그램/인치의 5% 변형 기계 방향에서의 인장 강도, 약 50 그램 초과의 다트 충격 강도, 적어도 약 35,000 psi의 시컨트 모듈러스(secant modulus) 기계 방향(1%) 및 이의 조합으로 이루어지는 그룹으로부터 선택되는 물리적 특성을 나타내며,
상기 제1 폴리올레핀과 제2 폴리올레핀은 동일하거나 상이한, 다층 필름. - 다층 비-통기성 필름으로서,
제1 폴리올레핀을 포함하는 제1 비-공동화 외피 층,
제2 폴리올레핀을 포함하는 제2 비-공동화 외피 층, 및
제3 폴리올레핀 및 제3 폴리올레핀 내에 분산된 무기질 충전제를 포함하는 적어도 하나의 공동화 코어 층을 포함하며,
적어도 하나의 공동화 코어 층은 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되며,
상기 제1 폴리올레핀, 제2 폴리올레핀, 및 제3 폴리올레핀 중 두 개 이상은 동일하거나 상이하며,
상기 다층 비-통기성 필름은 약 12 gsm 미만의 기본 중량을 가지며 적어도 약 800 그램/인치의 피크 기계 방향에서의 인장 강도, 적어도 약 200 그램/인치의 5% 변형 기계 방향에서의 인장 강도, 약 50 그램 초과의 다트 충격 강도, 적어도 약 35,000 psi의 시컨트 모듈러스 기계 방향(1%) 및 이의 조합으로 이루어지는 그룹으로부터 선택되는 물리적 특성을 나타내는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 약 11 gsm 미만의 기본 중량을 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 약 10 gsm 미만의 기본 중량을 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 적어도 약 850 그램/인치의 피크 기계 방향에서의 인장 강도를 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 약 10 gsm 미만의 기본 중량 및 적어도 약 850 그램/인치의 피크 기계 방향에서의 인장 강도를 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 적어도 약 250 그램/인치의 5% 변형 기계 방향에서의 인장 강도를 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 약 10 gsm 미만의 기본 중량 및 적어도 약 250 그램/인치의 5% 변형 기계 방향에서의 인장 강도를 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 약 70 그램 초과의 다트 충격 강도를 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 약 10 gsm 미만의 기본 중량 및 약 70 그램 초과의 다트 충격 강도를 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 적어도 약 50,000 psi의 시컨트 모듈러스 기계 방향(1%)을 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 다층 비-통기성 필름은 약 10 gsm 미만의 기본 중량 및 적어도 약 50,000 psi의 시컨트 모듈러스 기계 방향(1%)을 가지는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 제1 폴리올레핀, 제2 폴리올레핀, 및 제3 폴리올레핀은 폴리에틸렌, 폴리프로필렌 및 이의 조합으로 이루어지는 그룹으로부터 개별적으로 선택되는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 제1 폴리올레핀은 폴리프로필렌을 포함하는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 제2 폴리올레핀은 폴리프로필렌을 포함하는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 제3 폴리올레핀은 폴리프로필렌을 포함하는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 제1 폴리올레핀, 제2 폴리올레핀, 및 제3 폴리올레핀 중 두 개 이상은 폴리프로필렌을 포함하는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 무기질 충전제는 적어도 하나의 공동화 코어 층의 약 30% 내지 약 75%를 포함하는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 무기질 충전제는 적어도 하나의 공동화 코어 층의 약 50% 내지 약 75%를 포함하는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 무기질 충전제는 알칼리 금속 탄산염, 알칼리 토금속 탄산염, 알칼리 금속 황산염, 알칼리 토금속 황산염 또는 이의 조합을 포함하는, 다층 비-통기성 필름. - 제45항에 있어서,
상기 무기질 충전제는 탄산 칼슘을 포함하는, 다층 비-통기성 필름. - 다층 비-통기성 필름으로서,
제1 폴리올레핀을 포함하는 제1 비-공동화 외피 층,
제2 폴리올레핀을 포함하는 제2 비-공동화 외피 층,
제3 폴리올레핀 및 제3 폴리올레핀 내에 분산된 무기질 충전제를 포함하는 적어도 하나의 공동화 코어 층으로서, 적어도 하나의 공동화 코어 층이 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되는, 적어도 하나의 공동화 코어 층, 및
흡습성 중합체를 포함하며 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되는 적어도 하나의 극성 중합체 층을 포함하며,
상기 제1 폴리올레핀, 제2 폴리올레핀, 및 제3 폴리올레핀 중 두 개 이상은 동일하거나 상이하며,
상기 다층 비-통기성 필름은 약 12 gsm 미만의 기본 중량을 가지며 적어도 약 800 그램/인치의 피크 기계 방향에서의 인장 강도, 적어도 약 200 그램/인치의 5% 변형 기계 방향에서의 인장 강도, 약 50 그램 초과의 다트 충격 강도, 적어도 약 35,000 psi의 시컨트 모듈러스 기계 방향(1%) 및 이의 조합으로 이루어지는 그룹으로부터 선택되는 물리적 특성을 나타내는, 다층 비-통기성 필름. - 제65항에 있어서,
상기 흡습성 중합체는 흡습성 엘라스토머, 폴리에스테르, 폴리아미드, 폴리에테르에스테르 공중합체, 폴리에테르아미드 공중합체, 폴리우레탄, 폴리우레탄 공중합체, 폴리(에테르이미드) 에스테르 공중합체, 폴리비닐 알코올, 이오노머, 셀룰로오스, 니트로셀룰로오스 및 이의 조합으로 이루어지는 그룹으로부터 선택되는, 다층 비-통기성 필름. - 제65항에 있어서,
상기 적어도 하나의 극성 중합체 층은 접착제를 더 포함하는, 다층 비-통기성 필름. - 제67항에 있어서,
상기 접착제는 폴리에틸렌/아크릴레이트 공중합체, 에틸렌/메틸 아크릴레이트 공중합체, 산-개질된 아크릴레이트, 무수물-개질된 아크릴레이트, 에틸렌 비닐 아세테이트, 산/아크릴레이트-개질된 에틸렌 비닐 아세테이트, 무수물-개질된 에틸렌 비닐 아세테이트 또는 이의 조합을 포함하는, 다층 비-통기성 필름. - 제65항에 있어서,
상기 적어도 하나의 공동화 코어 층은 접착제를 더 포함하는, 다층 비-통기성 필름. - 다층 부분-통기성 필름으로서,
제1 폴리올레핀 및 제1 폴리올레핀 내에 분산된 제1 무기질 충전제를 포함하는 적어도 하나의 공동화 코어 층, 및
제2 폴리올레핀을 포함하는 적어도 하나의 외피 층을 포함하며, 상기 적어도 하나의 외피 층은 내부에 하나 또는 복수의 불연속부를 가지며,
상기 다층 부분-통기성 필름은 적어도 하나의 미세 다공성 통기성 영역 및 적어도 하나의 비-미세 다공성 비-통기성 영역을 포함하며,
상기 제1 폴리올레핀과 제2 폴리올레핀은 동일하거나 상이한, 다층 부분-통기성 필름. - 다층 비-통기성 필름으로서,
폴리프로필렌을 포함하는 제1 비-공동화 외피 층,
폴리프로필렌을 포함하는 제2 비-공동화 외피 층, 및
제3 폴리올레핀 및 제3 폴리올레핀 내에 분산된 무기질 충전제를 포함하는 적어도 하나의 공동화 코어 층으로서, 적어도 하나의 공동화 코어 층이 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되며, 상기 제3 폴리올레핀이 폴리에틸렌, 폴리프로필렌, 및 이의 조합으로 이루어지는 그룹으로부터 선택되는, 적어도 하나의 공동화 코어 층을 포함하며,
상기 다층 비-통기성 필름은 약 12 gsm 미만의 기본 중량을 가지며 적어도 약 800 그램/인치의 피크 기계 방향에서의 인장 강도, 적어도 약 200 그램/인치의 5% 변형 기계 방향에서의 인장 강도, 약 50 그램 초과의 다트 충격 강도, 적어도 약 35,000 psi의 시컨트 모듈러스 기계 방향(1%) 및 이의 조합으로 이루어지는 그룹으로부터 선택되는 물리적 특성을 나타내는, 다층 비-통기성 필름. - 개인 위생 제품으로서,
제1항의 방법에 의해 제조된 적어도 하나의 내부 다층 필름, 및
적어도 하나의 외부 부직포 층을 포함하며,
적어도 하나의 비-공동화 외피 층의 적어도 일부분은 외부 부직포 층의 적어도 일부분에 결합되는, 개인 위생 제품. - 제72항에 있어서,
적어도 하나의 비-공동화 외피 층 및 외부 부직포 층 각각은 폴리프로필렌을 포함하는, 개인 위생 제품. - 제72항에 있어서,
상기 적어도 하나의 비-공동화 외피 층의 적어도 일부분은 접착제 없이 적어도 하나의 외부 부직포 층의 적어도 일부분에 결합되는, 개인 위생 제품. - 제72항에 있어서,
상기 적어도 하나의 비-공동화 외피 층의 적어도 일부분은 초음파 용접에 의해 적어도 하나의 외부 부직포 층의 적어도 일부분에 결합되는, 개인 위생 제품. - 제72항에 있어서,
상기 제품은 요실금 브리프(incontinence brief)로서 구성되는, 개인 위생 제품. - 제72항에 있어서,
상기 제품은 수술 가운으로서 구성되는, 개인 위생 제품. - 제72항에 있어서,
상기 제품은 여성 위생 제품으로서 구성되는, 개인 위생 제품. - 제72항에 있어서,
상기 제품은 기저귀의 배면 시트로서 구성되는, 개인 위생 제품. - 개인 위생 제품으로서,
제20항의 방법에 의해 제조된 적어도 하나의 내부 다층 비-통기성 필름, 및
적어도 하나의 외부 부직포 층을 포함하며,
제1 비-공동화 외피 층 또는 제2 비-공동화 외피 층 어느 하나의 적어도 일부분은 외부 부직포 층의 적어도 일부분에 결합되는, 개인 위생 제품. - 제80항에 있어서,
적어도 하나의 내부 다층 비-통기성 필름은 제1 비-공동화 외피 층과 제2 비-공동화 외피 층 사이에 배치되는 적어도 하나의 극성 중합체 층을 더 포함하는, 개인 위생 제품.
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PCT/US2016/060006 WO2017079209A1 (en) | 2015-11-05 | 2016-11-02 | Polymeric films and methods for making polymeric films |
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CN (1) | CN108778674B (ko) |
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- 2016-11-02 JP JP2018522690A patent/JP6784759B2/ja active Active
- 2016-11-02 CA CA3004264A patent/CA3004264C/en not_active Expired - Fee Related
- 2016-11-02 KR KR1020187015313A patent/KR20180083871A/ko active Application Filing
- 2016-11-02 PE PE2018000736A patent/PE20181463A1/es unknown
- 2016-11-02 US US15/341,103 patent/US10717255B2/en active Active
- 2016-11-02 BR BR112018008995A patent/BR112018008995A8/pt not_active IP Right Cessation
- 2016-11-02 MX MX2018005624A patent/MX2018005624A/es unknown
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2018
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CA3004264A1 (en) | 2017-05-11 |
AU2016350820A1 (en) | 2018-05-17 |
EP3370943A4 (en) | 2019-05-01 |
ECSP18042587A (es) | 2018-08-31 |
EP3370943A1 (en) | 2018-09-12 |
WO2017079209A1 (en) | 2017-05-11 |
JP2018535852A (ja) | 2018-12-06 |
CN108778674A (zh) | 2018-11-09 |
US10717255B2 (en) | 2020-07-21 |
CO2018004912A2 (es) | 2018-07-31 |
CN108778674B (zh) | 2022-02-11 |
US20170129228A1 (en) | 2017-05-11 |
PE20181463A1 (es) | 2018-09-13 |
MX2018005624A (es) | 2018-09-05 |
CA3004264C (en) | 2020-09-22 |
AU2016350820B2 (en) | 2020-06-18 |
JP6784759B2 (ja) | 2020-11-11 |
BR112018008995A2 (pt) | 2018-10-30 |
KR20200039818A (ko) | 2020-04-16 |
BR112018008995A8 (pt) | 2019-02-26 |
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