KR970058905A - Oxygen barrier multilayer film - Google Patents

Oxygen barrier multilayer film Download PDF

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Publication number
KR970058905A
KR970058905A KR1019960001657A KR19960001657A KR970058905A KR 970058905 A KR970058905 A KR 970058905A KR 1019960001657 A KR1019960001657 A KR 1019960001657A KR 19960001657 A KR19960001657 A KR 19960001657A KR 970058905 A KR970058905 A KR 970058905A
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KR
South Korea
Prior art keywords
ethylene
oxygen barrier
resin
weight
multilayer film
Prior art date
Application number
KR1019960001657A
Other languages
Korean (ko)
Other versions
KR0161647B1 (en
Inventor
정광식
최원중
이문석
권용호
김성조
Original Assignee
조규향
주식회사 유공
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 조규향, 주식회사 유공 filed Critical 조규향
Priority to KR1019960001657A priority Critical patent/KR0161647B1/en
Publication of KR970058905A publication Critical patent/KR970058905A/en
Application granted granted Critical
Publication of KR0161647B1 publication Critical patent/KR0161647B1/en

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Classifications

    • 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
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • 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
    • B32B2307/7244—Oxygen barrier
    • 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
    • B32B2307/7246—Water vapor barrier

Landscapes

  • Laminated Bodies (AREA)

Abstract

본 발명은 산소 차단성 다층필름에 관한 것으로, 좀더 상세하게는 상기 필름은 (A) i) 폴리올레핀계 수지 20~88중량%; ii) 에틸렌-비날알코올 공중합체(이하 EVOH라 칭함) 10~50중량%; 및 iii) 에틸렌-비닐아세테이트 공중합체의 부분검화수지(이하 PHEVA라 칭함) 2~30중량% 또는 상기 부분검화수지로 불포화산 유도체들 중 하나 이상을 도입한 변성 PHEVA 2~30중량%로 이루어진 산소 차단층, 및 (B) 폴리올레핀계 수지로 이루어져 상기 산소 차단층의 양쪽 표면에 형성된 습기 차단층을 포함하는 바, 기존의 필름에 비해 산소 차단성, 투명성, 및 습기 차단층과의 접착력이 우수한 이점을 가진다.The present invention relates to an oxygen barrier multilayer film, and more particularly to a film comprising (A) i) 20 to 88% by weight of a polyolefin resin; ii) 10 to 50% by weight of an ethylene-nonalcohol copolymer (hereinafter referred to as EVOH); And iii) 2 to 30% by weight of a partially saponified resin (hereinafter referred to as PHEVA) of an ethylene-vinyl acetate copolymer or 2 to 30% by weight of modified PHEVA into which at least one unsaturated acid derivative is introduced as the partially saponified resin And (B) a moisture barrier layer formed of a polyolefin resin and formed on both surfaces of the oxygen barrier layer. The barrier layer has an oxygen barrier property, transparency, and adhesion to the moisture barrier layer .

Description

산소 차단성 다층필름Oxygen barrier multilayer film

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (7)

(A) i) 폴리올레핀계 수지 20~88중량%; ii) 에틸렌-비닐알코올 공중합체 10~50중량%; 및 iii) 에틸렌-비닐아세테이트 공중합체의 부분검화수지 2~30중량% 또는 상기 부분검화수지에 불포화산 유도체들 중 하나 이상을 도입한 변성 PHEVA 2~30중량%로 이루어진 산소 차단층, 및 (B) 폴리올레핀계 수지로 이루어져 상기 산소 차단층의 양쪽 표면에 형성된 습기 차단층을 포함하는 산소차단성 다층필름.(A) i) 20 to 88% by weight of a polyolefin-based resin; ii) 10 to 50% by weight of an ethylene-vinyl alcohol copolymer; And iii) 2 to 30% by weight of a partially saponified resin of ethylene-vinyl acetate copolymer or 2 to 30% by weight of modified PHEVA having at least one unsaturated acid derivative introduced into said partially saponified resin, and (B) ) An oxygen barrier multilayer film comprising a polyolefin resin and a moisture barrier layer formed on both surfaces of the oxygen barrier layer. 제1항에 있어서, 상기 폴리올레핀계 수지가 고밀도 폴리에틸렌, 저밀도 폴리에틸렌, 선형저밀도 폴리에틸렌(에틸렌과 α-올레핀과의 공중합체), 프로필렌의 단독 중합체 및 에틸렌과 프로필렌의 공중합체로 구성된 군으로부터 선택된 하나 이상을 사용하는 것을 특징으로 하는 산소 차단성 다층필름.The polyolefin resin according to claim 1, wherein the polyolefin resin is at least one selected from the group consisting of a high density polyethylene, a low density polyethylene, a linear low density polyethylene (a copolymer of ethylene and an? -Olefin), a homopolymer of propylene, and a copolymer of ethylene and propylene Is used as the oxygen barrier layer. 제2항에 있어서, α-올레핀이 탄소수 4~8개의 α-올레핀으로서, 부텐-1, 헥센-1, 4-메틸펜텐-1 및 옥텐-1로 구성된 군으로부터 하나 이상이 선택됨을 특징으로 하는 산소 차단성 다층필름.The olefin according to claim 2, wherein the? -Olefin is an α-olefin having 4 to 8 carbon atoms and at least one selected from the group consisting of butene-1, hexene-1, 4-methylpentene-1 and octene- Oxygen barrier multilayer film. 제1항에 있어서, 상기 에틸렌-비닐알코올 공중합체가 에틸렌의 함유율이 10~50몰%인 에틸렌-비닐아세테이트 공중합체를 적어도 90%이상 검화시킨 수지임을 특징으로 하는 산소 차단성 다층필름.The oxygen-barrier multilayer film according to claim 1, wherein the ethylene-vinyl alcohol copolymer is a resin obtained by saponifying at least 90% of an ethylene-vinyl acetate copolymer having an ethylene content of 10 to 50 mol%. 제1항에 있어서, 상기 에틸렌 70~98몰%인 에틸렌-비닐아세테이트 공중합체를 적어도 20% 이상 검화시킨 수지임을 특징으로 하는 산소 차단성 다층필름.The oxygen barrier multi-layer film according to claim 1, wherein the ethylene-vinyl acetate copolymer is 70 to 98% by mole of the ethylene resin. 제1항에 있어서, 상기 불포화산 유도체가 아크릴산, 무수말레익산, 말레익산, 푸마릭산, 메타크릴산, 비닐아세테이트, 아크릴아마이드, 메타크릴아마이드, 알킬아크릴레이트 및 알킬 메타크릴레이트로 구성된 군으로부터 하나 이상이 선택됨을 특징으로 하는 산소 차단성 다층필름.The composition according to claim 1, wherein the unsaturated acid derivative is selected from the group consisting of acrylic acid, maleic anhydride, maleic acid, fumaric acid, methacrylic acid, vinyl acetate, acrylamide, methacrylamide, alkyl acrylate and alkyl methacrylate Lt; RTI ID = 0.0 > 1, < / RTI > 제1항에 있어서, 상기 필름의 총 두게가 10~250 ㎛인 것을 특징으로 하는 산소 차단성 다층필름.The oxygen barrier multilayer film according to claim 1, wherein the total thickness of the film is 10 to 250 占 퐉. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960001657A 1996-01-24 1996-01-24 Laminate for gas barrier KR0161647B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960001657A KR0161647B1 (en) 1996-01-24 1996-01-24 Laminate for gas barrier

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Application Number Priority Date Filing Date Title
KR1019960001657A KR0161647B1 (en) 1996-01-24 1996-01-24 Laminate for gas barrier

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KR970058905A true KR970058905A (en) 1997-08-12
KR0161647B1 KR0161647B1 (en) 1999-01-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102282414B1 (en) * 2020-12-31 2021-07-27 주식회사 폴트리 Multi-layer film with excellent antistatic and virus blocking properties

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100547353B1 (en) * 1999-09-22 2006-01-26 에스케이 주식회사 Oxygen barrier resin composition including polyolefins and product containing the same
KR100411850B1 (en) * 2000-12-26 2003-12-18 주식회사 코오롱 Polyamide resin composition
KR102116009B1 (en) 2016-03-08 2020-05-27 주식회사 엘지화학 Multilayer film comprising polyalkylene carbonate and manufacturing method of the same
WO2017155308A1 (en) * 2016-03-08 2017-09-14 주식회사 엘지화학 Multilayer film comprising polyalkylene carbonate and method for manufacturing same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102282414B1 (en) * 2020-12-31 2021-07-27 주식회사 폴트리 Multi-layer film with excellent antistatic and virus blocking properties

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