KR102740852B1 - 다층 폴리에틸렌 필름, 및 이로부터 제조된 물품 - Google Patents
다층 폴리에틸렌 필름, 및 이로부터 제조된 물품 Download PDFInfo
- Publication number
- KR102740852B1 KR102740852B1 KR1020187017622A KR20187017622A KR102740852B1 KR 102740852 B1 KR102740852 B1 KR 102740852B1 KR 1020187017622 A KR1020187017622 A KR 1020187017622A KR 20187017622 A KR20187017622 A KR 20187017622A KR 102740852 B1 KR102740852 B1 KR 102740852B1
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- KR
- South Korea
- Prior art keywords
- outer layer
- density
- polyethylene resin
- multilayer
- polyethylene
- 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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- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/746—Slipping, anti-blocking, low friction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/748—Releasability
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/046—LDPE, i.e. low density polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2432/00—Cleaning articles, e.g. mops or wipes
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2535/00—Medical equipment, e.g. bandage, prostheses or catheter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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Abstract
Description
도 2는 현미경 사진으로 본원에 나타내거나 기재된 하나 이상의 구현예에 따라 라미네이트에 대한 핀홀이 실질적으로 없는 결합 영역을 도시한다.
Claims (10)
- 코어 층, 제1 외부 층 및 제2 외부 층을 포함하는 다층 폴리에틸렌 필름으로서,
상기 코어 층은 상기 제1 외부 층과 상기 제2 외부 층 사이에 위치하고;
상기 코어 층은 0.900 g/cc 내지 0.935 g/cc의 밀도 및 0.1 g/10 분 내지 10 g/10 분의 용융 지수 I2를 갖는 선형 저밀도 폴리에틸렌, 및 0.915 g/cc 내지 0.935 g/cc의 밀도 및 0.1 g/10 분 내지 15 g/10 분의 용융 지수 I2를 갖는 제1 저밀도 폴리에틸렌 수지를 포함하고;
상기 제1 외부 층과 상기 제2 외부 층은 각각 0.930 g/cc 내지 0.970 g/cc의 밀도 및 0.1 g/10 분 내지 15 g/10 분의 용융 지수 I2를 갖는 폴리에틸렌 수지, 및 0.915 g/cc 내지 0.935 g/cc의 밀도 및 0.1 g/10 분 내지 15 g/10 분의 용융 지수 I2를 갖는 제2 저밀도 폴리에틸렌 수지를 포함하고, 상기 제1 외부 층이 상기 제1 외부 층에 존재하는 폴리머의 총 중량을 기준으로 5 wt.% 내지 40 wt.%의 상기 제2 저밀도 폴리에틸렌 수지를 포함하고;
상기 선형 저밀도 폴리에틸렌의 상기 밀도는 상기 제1 외부 층 및 상기 제2 외부 층의 폴리에틸렌 수지의 상기 밀도 미만인, 다층 폴리에틸렌 필름. - 청구항 1에 있어서, 상기 코어 층이 상기 코어 층에 존재하는 폴리머의 총 중량을 기준으로 5 wt.% 내지 40 wt.%의 상기 제1 저밀도 폴리에틸렌 수지를 포함하는, 다층 폴리에틸렌 필름.
- 삭제
- 청구항 1 또는 2에 있어서, 상기 제2 외부 층이 상기 제2 외부 층에 존재하는 폴리머의 총 중량을 기준으로 5 wt.% 내지 40 wt.%의 상기 제2 저밀도 폴리에틸렌 수지를 포함하는, 다층 폴리에틸렌 필름.
- ◈청구항 5은(는) 설정등록료 납부시 포기되었습니다.◈청구항 1 또는 2에 있어서, 상기 코어 층 대 상기 제1 및 제2 외부 층의 두께 비가 50:50 내지 90:10의 범위인, 다층 폴리에틸렌 필름.
- ◈청구항 6은(는) 설정등록료 납부시 포기되었습니다.◈청구항 1 또는 2에 있어서, 상기 제1 외부 층이 상기 제2 외부 층과 동일한 두께를 갖는, 다층 폴리에틸렌 필름.
- ◈청구항 7은(는) 설정등록료 납부시 포기되었습니다.◈청구항 1 또는 2에 있어서, 상기 제1 외부 층이 상기 제2 외부 층과 동일한 조성물을 갖는, 다층 폴리에틸렌 필름.
- ◈청구항 8은(는) 설정등록료 납부시 포기되었습니다.◈청구항 1 또는 2의 다층 폴리에틸렌 필름을 제조하는 방법으로서,
코어 층, 제1 외부 층 및 제2 외부 층을 공압출시켜 다층 폴리에틸렌 필름을 형성하는 단계를 포함하되, 상기 다층 폴리에틸렌 필름이 상기 제1 외부 층과 상기 제2 외부 층 사이에 위치된 코어 층을 포함하고;
상기 코어 층은 0.900 g/cc 내지 0.935 g/cc의 밀도 및 0.1 g/10 분 내지 10 g/10 분의 용융 지수 I2를 갖는 선형 저밀도 폴리에틸렌, 및 0.915 g/cc 내지 0.935 g/cc의 밀도 및 0.1 g/10 분 내지 15 g/10 분의 용융 지수 I2를 갖는 제1 저밀도 폴리에틸렌 수지를 포함하고;
상기 제1 외부 층과 상기 제2 외부 층은 각각 0.930 g/cc 내지 0.970 g/cc의 밀도 및 0.1 g/10 분 내지 15 g/10 분의 용융 지수 I2를 갖는 폴리에틸렌 수지, 및 0.915 g/cc 내지 0.935 g/cc의 밀도 및 0.1 g/10 분 내지 15 g/10 분의 용융 지수 I2를 갖는 제2 저밀도 폴리에틸렌 수지를 포함하고, 상기 제1 외부 층이 상기 제1 외부 층에 존재하는 폴리머의 총 중량을 기준으로 5 wt.% 내지 40 wt.%의 상기 제2 저밀도 폴리에틸렌 수지를 포함하고;
상기 선형 저밀도 폴리에틸렌의 상기 밀도는 상기 제1 외부 층 및 상기 제2 외부 층의 폴리에틸렌 수지의 상기 밀도 미만인, 방법. - 초음파-결합된 라미네이트로서,
청구항 1 또는 2의 다층 폴리에틸렌 필름; 및
라미네이트를 형성하기 위해 상기 다층 폴리에틸렌 필름에 적어도 부분적으로 초음파 결합된 부직포 기재를 포함하는, 초음파-결합된 라미네이트. - 청구항 9에 있어서, 상기 부직포 기재가 폴리프로필렌 수지로 형성된, 라미네이트.
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| US62/266,194 | 2015-12-11 | ||
| PCT/US2016/060931 WO2017099923A1 (en) | 2015-12-11 | 2016-11-08 | Multilayer polyethylene films, and articles made therefrom |
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| KR20180093948A KR20180093948A (ko) | 2018-08-22 |
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| BR112018010538B1 (pt) * | 2015-12-11 | 2022-02-08 | Dow Global Technologies Llc | Laminado ligado por ultrassom |
| KR20210023896A (ko) * | 2018-06-29 | 2021-03-04 | 베리 글로벌 인코포레이티드 | 다차원적으로 연신 가능한 라미네이트 |
| TR201817248A2 (tr) * | 2018-11-15 | 2019-01-21 | Selcuk Iplik Sanayi Ve Tic A S | Yeni̇ bi̇r dokunmamiş kumaş (nonwoven) kompozi̇ti̇ ve üreti̇m yöntemi̇ |
| WO2020136166A1 (en) * | 2018-12-28 | 2020-07-02 | Borealis Ag | Multilayer film |
| US20220097351A1 (en) * | 2019-04-09 | 2022-03-31 | Borealis Ag | Collation shrink film |
| AR119085A1 (es) * | 2019-06-06 | 2021-11-24 | Dow Global Technologies Llc | Película soplada multicapa |
| KR20240117136A (ko) * | 2021-12-16 | 2024-07-31 | 다우 글로벌 테크놀로지스 엘엘씨 | 다층 필름 |
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| CN108290335A (zh) | 2018-07-17 |
| EP3386712B1 (en) | 2021-12-01 |
| CN108290335B (zh) | 2021-08-10 |
| JP6916787B2 (ja) | 2021-08-11 |
| WO2017099923A1 (en) | 2017-06-15 |
| US20180281369A1 (en) | 2018-10-04 |
| KR20180093948A (ko) | 2018-08-22 |
| BR112018010547A2 (pt) | 2018-11-13 |
| US10857703B2 (en) | 2020-12-08 |
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| EP3386712B2 (en) | 2025-09-03 |
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