JPH11123794A5 - - Google Patents

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Publication number
JPH11123794A5
JPH11123794A5 JP1998130541A JP13054198A JPH11123794A5 JP H11123794 A5 JPH11123794 A5 JP H11123794A5 JP 1998130541 A JP1998130541 A JP 1998130541A JP 13054198 A JP13054198 A JP 13054198A JP H11123794 A5 JPH11123794 A5 JP H11123794A5
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JP
Japan
Prior art keywords
layer
oxygen
absorbing
film according
multilayer film
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
Application number
JP1998130541A
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Japanese (ja)
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JPH11123794A (en
JP3687720B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP13054198A priority Critical patent/JP3687720B2/en
Priority claimed from JP13054198A external-priority patent/JP3687720B2/en
Publication of JPH11123794A publication Critical patent/JPH11123794A/en
Publication of JPH11123794A5 publication Critical patent/JPH11123794A5/ja
Application granted granted Critical
Publication of JP3687720B2 publication Critical patent/JP3687720B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (11)

一方の表面が酸素透過性のポリオレフィンからなる酸素透過層（１）で、他方の表面がガスバリア層（３）からなり、これらの層に挟まれた酸素透過性のポリオレフィンに鉄系脱酸素剤を配合した酸素吸収性樹脂組成物からなる酸素吸収層（２）から構成される酸素吸収多層フィルムにおいて、酸素透過層（１）が無着色層（１１）と着色隠蔽層（１２）との２層からなり、なおかつ無着色層（１１）が表面層を形成することを特徴とする酸素吸収多層フィルム。An oxygen-absorbing multilayer film comprising an oxygen-permeable layer (1) on one surface made of oxygen-permeable polyolefin, a gas barrier layer (3) on the other surface, and an oxygen-absorbing layer (2) sandwiched between these layers made of an oxygen-absorbing resin composition in which an iron-based oxygen scavenger is blended with oxygen-permeable polyolefin, characterized in that the oxygen-permeable layer (1) consists of two layers, an uncolored layer (11) and a colored concealing layer (12), and the uncolored layer (11) forms the surface layer. 無着色層（１１）と着色隠蔽層（１２）の厚みが各々１０〜１００μm である請求項１記載の酸素吸収多層フィルム。2. The oxygen-absorbing multilayer film according to claim 1, wherein the thickness of the non-colored layer (11) and the colored hiding layer (12) is 10 to 100 [mu]m each. 着色隠蔽層（１２）と酸素吸収層（２）とが酸素透過性のポリオレフィンからなる樹脂層（１３）を介して積層されてなる請求項１記載の酸素吸収多層フィルム。2. The oxygen-absorbing multilayer film according to claim 1, wherein the colored masking layer (12) and the oxygen-absorbing layer (2) are laminated together via an oxygen-permeable resin layer (13) made of polyolefin. ガスバリア層（３）に熱可塑性樹脂からなる保護層（４）が表面層として積層されてなる請求項１記載の酸素吸収多層フィルム。2. The oxygen-absorbing multilayer film according to claim 1, wherein a protective layer (4) made of a thermoplastic resin is laminated as a surface layer on the gas barrier layer (3). 酸素吸収層（２）とガスバリア層（３）とが、接着剤及び接着剤樹脂から選ばれる少なくとも一種からなる接着層（５）を介して積層されてなる請求項１記載の酸素吸収多層フィルム。2. The oxygen-absorbing multilayer film according to claim 1, wherein the oxygen-absorbing layer (2) and the gas barrier layer (3) are laminated together via an adhesive layer (5) made of at least one material selected from adhesives and adhesive resins. 無着色層（１１）が顔料を添加しないポリオレフィンからなり、かつ、
着色隠蔽層（１２）が顔料をポリオレフィンに対して２〜５０重量％添加したポリオレフィン樹脂組成物からなる、請求項１記載の脱酸素性多層フィルム。 The non-pigmented layer (11) is made of polyolefin to which no pigment is added, and
2. The deoxidizing multi-layer film according to claim 1 , wherein the colored concealing layer (12) is made of a polyolefin resin composition containing 2 to 50% by weight of a pigment based on the polyolefin . 酸素吸収層（２）の酸素吸収性樹脂組成物が、ポリオレフィンに鉄系脱酸素剤及びアルカリ土類金属酸化物が配合された組成物からなり、該酸素吸収性樹脂組成物中に鉄系脱酸素剤が２〜９３重量％及びアルカリ土類金属酸化物が０．１〜５重量％含有されることを特徴とする請求項１記載の酸素吸収多層フィルム。 2. The oxygen-absorbing multilayer film according to claim 1, wherein the oxygen-absorbing resin composition of the oxygen-absorbing layer (2) is a composition in which a polyolefin is blended with an iron-based oxygen scavenger and an alkaline earth metal oxide, and the oxygen-absorbing resin composition contains 2 to 93% by weight of the iron-based oxygen scavenger and 0.1 to 5 % by weight of the alkaline earth metal oxide. 無着色層（１１）と着色隠蔽層（１２）及び酸素吸収層（２）のポリオレフィンの融点がそれぞれ１３５℃以上であり、かつ保護層（４）の熱可塑性樹脂の融点が無着色層（１１）のポリオレフィンの融点より１０℃以上高いことを特徴とする請求項４記載の酸素吸収多層フィルム。5. The oxygen-absorbing multilayer film according to claim 4, wherein the melting points of the polyolefins in the uncolored layer (11), the colored concealing layer (12), and the oxygen-absorbing layer (2) are each 135°C or higher, and the melting point of the thermoplastic resin in the protective layer (4) is 10°C or higher than the melting point of the polyolefin in the uncolored layer (11). 無着色層（１１）と着色隠蔽層（１２）及び酸素吸収層（２）のポリオレフィンの曲げ弾性率（ＪＩＳ Ｋ６７５８）がそれぞれ１３００ＭＰａ以下である請求項１記載の酸素吸収多層フィルム。2. The oxygen-absorbing multilayer film according to claim 1, wherein the polyolefins of the non-colored layer (11), the colored concealing layer (12) and the oxygen-absorbing layer (2) each have a flexural modulus (JIS K6758) of 1,300 MPa or less. 保護層（４）が、ポリオレフィン、ポリアミド樹脂、ポリエステル樹脂またはこれらの組合せからなる請求項４記載の酸素吸収多層フィルム。5. The oxygen-absorbing multilayer film according to claim 4, wherein the protective layer (4) comprises a polyolefin, a polyamide resin, a polyester resin or a combination thereof . 請求項１乃至請求項１０の何れかに記載の脱酸素性多層フィルムが、容器壁面の少なくとも一部に無着色層（１１）を容器内方に配して使用されてなる酸素吸収包装容器。11. An oxygen-absorbing packaging container comprising the oxygen-absorbing multilayer film according to claim 1, and an uncolored layer (11) disposed on the inside of the container on at least a part of the container wall.
JP13054198A 1997-06-12 1998-05-13 Oxygen absorbing multilayer film and oxygen absorbing packaging container Expired - Lifetime JP3687720B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13054198A JP3687720B2 (en) 1997-06-12 1998-05-13 Oxygen absorbing multilayer film and oxygen absorbing packaging container

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP9-155160 1997-06-12
JP15516097 1997-06-12
JP9-223886 1997-08-20
JP22388697 1997-08-20
JP13054198A JP3687720B2 (en) 1997-06-12 1998-05-13 Oxygen absorbing multilayer film and oxygen absorbing packaging container

Publications (3)

Publication Number Publication Date
JPH11123794A JPH11123794A (en) 1999-05-11
JPH11123794A5 true JPH11123794A5 (en) 2005-06-30
JP3687720B2 JP3687720B2 (en) 2005-08-24

Family

ID=27316137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13054198A Expired - Lifetime JP3687720B2 (en) 1997-06-12 1998-05-13 Oxygen absorbing multilayer film and oxygen absorbing packaging container

Country Status (1)

Country Link
JP (1) JP3687720B2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002001879A (en) * 2000-06-19 2002-01-08 Toyo Seikan Kaisha Ltd Oxygen absorbable laminate and method for manufacturing the same
JP2006212785A (en) * 2005-02-01 2006-08-17 Okamoto Ind Inc Light barrier film, laminate and container
JP5046098B2 (en) * 2007-06-29 2012-10-10 東洋製罐株式会社 Easy-open lid member having functional resin layer and container sealed thereby and having functionality
JP2010082873A (en) * 2008-09-30 2010-04-15 Dainippon Printing Co Ltd Oxygen absorbent laminate and packaging container
JP2012035516A (en) * 2010-08-06 2012-02-23 Dainippon Printing Co Ltd Oxygen absorbing laminated body and packaging container
JP5678512B2 (en) * 2010-08-06 2015-03-04 大日本印刷株式会社 Method for producing oxygen-absorbing laminate
JP2012035515A (en) * 2010-08-06 2012-02-23 Dainippon Printing Co Ltd Oxygen absorbing laminated body and packaging container
JP5750854B2 (en) * 2010-09-30 2015-07-22 大日本印刷株式会社 Lid and sealed container provided with the same
CN103160012B (en) * 2013-04-01 2015-09-23 天津市金盛昱塑料制品有限公司 A kind of oxygen barrier and degredation plastic film
KR102658489B1 (en) * 2017-12-28 2024-04-18 라이온 가부시키가이샤 Ophthalmic products and masking methods

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