KR890012792A - 폴리에틸렌계 다층필름 - Google Patents

폴리에틸렌계 다층필름 Download PDF

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Publication number
KR890012792A
KR890012792A KR1019890002092A KR890002092A KR890012792A KR 890012792 A KR890012792 A KR 890012792A KR 1019890002092 A KR1019890002092 A KR 1019890002092A KR 890002092 A KR890002092 A KR 890002092A KR 890012792 A KR890012792 A KR 890012792A
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KR
South Korea
Prior art keywords
layer
unit
polyethylene
multilayer film
copolymer
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KR1019890002092A
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English (en)
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KR910008769B1 (ko
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신지 가와무라
마고토 우쯔미
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홍고오 므쯔미
이데미쯔세끼유가가꾸 가부시기가이샤
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Publication of KR890012792A publication Critical patent/KR890012792A/ko
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Publication of KR910008769B1 publication Critical patent/KR910008769B1/ko

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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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • 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
    • B32B2250/24—All layers being polymeric
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/043—HDPE, i.e. high density polyethylene
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

내용 없음.

Description

폴리에틸렌계 다층필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 및 제2도는 각각 본 발명의 폴리에틸렌계 다층필름의 상이한 예의 단면도.

Claims (9)

  1. (a) 밀도가 0.891∼0.925g/㎤인, 에틸렌과 탄소수가 4∼20인 α-올레핀과의 공중합체 60∼95중량％와, (b) 밀도가 0.860∼0.890g/㎤인, 에틸렌과 탄소수가 3∼12인 α-올레핀과의 저결정성 고중합체 40∼5중량％를 가진 조성물, 또는 밀도가 0.890∼0.910g/㎤인, 에틸렌과 탄소수가 4∼20인 α-올레핀과의 공중합체의 제1층(A)과, 밀도가 0.915∼0.960g/㎤인, 에틸렌과 탄소수가 4∼20인 α-올레핀과의 공중합체의 제2층(B)을 가진 것을 특징으로 하는 폴리에틸렌계 다층필름.
  2. 제1항에 있어서, 상기 제1층(A)과 상기 제2층(B)과의 사이에, 밀도가 0.900∼0.960g/㎤인, 고압법폴리에틸렌 및/또는 에틸렌과 탄소수가 3∼20인 α-올레핀과의 공중합체로 이루어진 중간층(C)을 가진 폴리에틸렌계 다층필름.
  3. 제1항 또는 제2항에 있어서, 상기 제1층(A)을 형성하는 조성물은, 멜트인데스가 1∼50g/10분인, (a) 공중합체와, 멜트인덱스가 0.5∼10g/10분인 (b)저결정성 공중압체로 이루어진 폴리에틸린계 다충필름.
  4. 제1항에 있어서, 상기 제1층(A)을 형성하는 조성물은, 에틸렌단위와 옥텐-1단위를 가진 (a)공중합체와, 에틸렌단위와 부텐-1단위를 가진 (b)저결정성 공중합체로 이루어진 폴리에틸렌계 다층필름.
  5. 제1항 또는 제2항에 있어서, 상기 제1층(A)을 형성하는 공중합체는, 멜트인덱스가 1∼50g/10분임과 동시에 에틸렌단위와 옥텐-1단위를 가진, 폴리에틸렌계 다층필름.
  6. 제1항 또는 제2항에 있어서, 상기 제2층(B)은, 멜트인덱스가 0.5∼39g/10분임과 동시에 에틸렌단위와 프로피렌단위 부텐-1단위 또는 옥텐-1단위를 가진 공중합체인 폴리에틸렌계 다층필름.
  7. 제1항 또는 제2항에 있어서, 상기 중간층(C)은, 멜트인덱스가 0.5∼50g/10분임과 동시에 에틸렌단위와 부텐-1단위 또는 옥텐-1단위를 가진 공중합체인 폴리에틸렌계 다층필름.
  8. 제1항에 있어서, 상기 폴리에틸렌계 다층필름이 2층필름이고, 제1층(A)과 제2층(B)과의 두께비가 2 : 98∼50 : 50인 폴리에틸렌계 다층필름.
  9. 제2항에 있어서, 상기 폴리에틸렌계 다층필름이 3층필름이고, 제1층(A)과 제2층(B)이 동일한 두께이고, 또 제1층(A)과 중간층(C)과 제2층(B)의 두께비가 2 : 96 : 2∼40 : 20 : 40인 폴리에틸렌계 다층필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890002092A 1988-02-25 1989-02-22 폴리에틸렌계 다층필름 KR910008769B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-42883 1988-02-25
JP63042883A JPH06102375B2 (ja) 1988-02-25 1988-02-25 ポリエチレン系多層フィルム

Publications (2)

Publication Number Publication Date
KR890012792A true KR890012792A (ko) 1989-09-19
KR910008769B1 KR910008769B1 (ko) 1991-10-21

Family

ID=12648437

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890002092A KR910008769B1 (ko) 1988-02-25 1989-02-22 폴리에틸렌계 다층필름

Country Status (6)

Country Link
JP (1) JPH06102375B2 (ko)
KR (1) KR910008769B1 (ko)
GB (1) GB2216845B (ko)
HK (1) HK69792A (ko)
MY (1) MY103700A (ko)
SG (1) SG73792G (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2048296C (en) * 1990-08-13 2002-09-24 Henry G. Schirmer Blends of polypropylene and ethylene copolymer and films made from the blend
US6774190B1 (en) 1992-06-17 2004-08-10 Mitsui Chemicals, Inc. Ethylene copolymer composition
EP0575123B2 (en) * 1992-06-17 2008-02-13 Mitsui Chemicals, Inc. Ethylene copolymer composition
CA2133666C (en) * 1993-02-04 2000-10-31 Katsushi Watanabe Multi-layer film and container
US5614297A (en) * 1994-05-19 1997-03-25 Viskase Corporation Polyolefin stretch film
US6884480B2 (en) 1995-05-19 2005-04-26 Cryovac, Inc. Film containing alpha-olefin/vinyl aromatic copolymer
JP3528343B2 (ja) * 1995-07-12 2004-05-17 住友化学工業株式会社 多層フィルム
JP3911336B2 (ja) * 1998-02-13 2007-05-09 出光興産株式会社 熱ラミネーション用フィルム
JP2000085078A (ja) * 1998-09-17 2000-03-28 Idemitsu Petrochem Co Ltd ポリエチレン系多層フィルム
JP4308944B2 (ja) * 1998-09-17 2009-08-05 出光興産株式会社 ポリプロピレン系多層フィルム
JP4379952B2 (ja) * 1999-06-24 2009-12-09 東洋製罐株式会社 包装袋
JP4797486B2 (ja) * 2004-07-28 2011-10-19 住友化学株式会社 ポリエチレン系樹脂組成物、フィルムおよび袋
JP4797483B2 (ja) * 2005-07-21 2011-10-19 住友化学株式会社 エチレン系樹脂組成物
KR101374318B1 (ko) * 2012-09-27 2014-03-12 롯데알미늄 주식회사 다층 필름 포장재 및 이의 제조 방법
WO2023100403A1 (ja) * 2021-11-30 2023-06-08 住友化学株式会社 積層フィルム、及びその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59219350A (ja) * 1983-05-27 1984-12-10 Showa Denko Kk ラミネ−ト用エチレン系共重合体組成物
JPS61284439A (ja) * 1985-06-11 1986-12-15 呉羽化学工業株式会社 耐熱性積層体
JPS6210532A (ja) * 1985-07-08 1987-01-19 Matsushita Seiko Co Ltd 換気扇

Also Published As

Publication number Publication date
GB8904238D0 (en) 1989-04-12
JPH01216839A (ja) 1989-08-30
MY103700A (en) 1993-08-28
JPH06102375B2 (ja) 1994-12-14
KR910008769B1 (ko) 1991-10-21
SG73792G (en) 1992-10-02
GB2216845B (en) 1992-02-05
HK69792A (en) 1992-09-25
GB2216845A (en) 1989-10-18

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