JP2002030160A - Polyolefin film and packaging material - Google Patents
Polyolefin film and packaging materialInfo
- Publication number
- JP2002030160A JP2002030160A JP2000214613A JP2000214613A JP2002030160A JP 2002030160 A JP2002030160 A JP 2002030160A JP 2000214613 A JP2000214613 A JP 2000214613A JP 2000214613 A JP2000214613 A JP 2000214613A JP 2002030160 A JP2002030160 A JP 2002030160A
- Authority
- JP
- Japan
- Prior art keywords
- film
- polyolefin film
- density
- lldpe
- packaging material
- 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.)
- Withdrawn
Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 34
- 239000005022 packaging material Substances 0.000 title claims abstract description 13
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 claims abstract description 3
- 239000010408 film Substances 0.000 description 48
- 229920000092 linear low density polyethylene Polymers 0.000 description 21
- 239000004707 linear low-density polyethylene Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 14
- 239000004698 Polyethylene Substances 0.000 description 12
- -1 polypropylene Polymers 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 229920000573 polyethylene Polymers 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920006284 nylon film Polymers 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- ZZLCFHIKESPLTH-UHFFFAOYSA-N 4-Methylbiphenyl Chemical compound C1=CC(C)=CC=C1C1=CC=CC=C1 ZZLCFHIKESPLTH-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009820 dry lamination Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Wrappers (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はポリオレフィンフィ
ルム及び包装体に関し、特に（消費者の満足）が要求さ
れる（食品包装）などの包装に用いるのに適した、ヒー
トシール性に優れ、高温下での寸法変化が少なく、かつ
透明性に優れたポリオレフィンフィルム及びそれを他の
ベース基材に積層されたヒートシール性に優れる包装材
料に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polyolefin film and a package, and more particularly, to a polyolefin film and a package, which are suitable for use in (food packaging) and the like which require (consumer satisfaction), have excellent heat sealability, and can be used at high temperatures. The present invention relates to a polyolefin film having a small dimensional change and excellent transparency, and a packaging material obtained by laminating the same on another base substrate and having excellent heat sealability.
【０００２】[0002]
【従来の技術】従来、（食品）などの包装に用いられる
包装体は、ポリアミドやポリエステルなどの強度に優れ
る基材フイルムに包装体を形成するためにヒートシール
性を有するポリオレフィンをフイルムが積層される。し
かしながら、従来のポリオレフィンフィルムを用いた包
装材料も要求されるすべての特性を満足できるものでは
ない。2. Description of the Related Art Conventionally, a package used for packaging (food) or the like is formed by laminating a heat-sealing polyolefin film to form a package on a base film having excellent strength such as polyamide or polyester. You. However, a packaging material using a conventional polyolefin film cannot satisfy all the required properties.
【０００３】例えば、ポリプロピレンフィルムは低温で
の強度不足のため冷凍用途に不適である。また、ポリエ
チレンでは高温での寸法安定不足のため熱水殺菌用途に
向いていない。さらに、特定の密度や圧縮弾性率を有す
るポリエチレンを用いたポリオレフィンフィルム（特開
平３−１１９３４９、特開平１０−１５７００に開示）
があるが、透明性の不足という問題があった。[0003] For example, polypropylene films are unsuitable for refrigeration applications due to insufficient strength at low temperatures. Polyethylene is not suitable for hot water sterilization due to insufficient dimensional stability at high temperatures. Furthermore, a polyolefin film using polyethylene having a specific density and compression modulus (disclosed in JP-A-3-119349 and JP-A-10-15700)
However, there was a problem of lack of transparency.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上記従来のポ
リオレフィンフィルムおよび包装体の有する問題点を解
決し、透明性や低温での強度に優れ、高温での寸法安定
に優れたフイルム及び包装材料を提供することにある。SUMMARY OF THE INVENTION The present invention solves the problems of the above-mentioned conventional polyolefin films and packages, and is excellent in transparency and strength at low temperatures and dimensional stability at high temperatures. Is to provide.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
め、本発明のポリオレフィンフィルムは、密度０．９４
０g／cm3以上の線状低密度ポリエチレン（ＬＬＤＰＥ）
を全体に対し２０重量％以上含み熱風１００℃処理後の
寸法変化が０．５％以下のポリオレフィンフィルムであ
ることを特徴とする。In order to achieve the above object, the polyolefin film of the present invention has a density of 0.94.
0 g / cm 3 or more linear low density polyethylene (LLDPE)
Is a polyolefin film containing 20% by weight or more with respect to the whole and having a dimensional change of 0.5% or less after treatment with hot air at 100 ° C.
【０００６】この場合において、ポリオレフィンフィル
ムのヘイズが１０％以下であることが好適である。In this case, the haze of the polyolefin film is preferably 10% or less.
【０００７】さらにまた、この場合において、前記のポ
リオレフィンフィルムが２層以上の積層フィルムである
ことを特徴とするポリオレフィンフィルムであることが
好適である。Further, in this case, it is preferable that the polyolefin film is a laminated film having two or more layers.
【０００８】さらにまた、この場合において、前記のポ
リオレフィンフィルムを少なくとも一層含むことを特徴
とする包装材料であることが好適である。Further, in this case, it is preferable that the packaging material contains at least one layer of the polyolefin film.
【０００９】[0009]
【発明の実施の形態】以下、本発明のポリオレフィンフ
ィルム、包装材料及び包装袋の実施の形態を説明する。
本発明のポリオレフィンフィルムは密度０．９４０g／c
m3以上のＬＬＤＰＥを全体に対し２０重量％以上含み熱
風１００℃処理後の寸法変化が０．５％以下のポリオレ
フィンフィルムであることを特徴とする。一般に、熱水
処理を行うと一般のポリエチレンは大きな寸法変化が発
生する。これはポリエチレン軟化温度が低く、高温域で
は軟化変形するためである。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the polyolefin film, packaging material and packaging bag of the present invention will be described.
The polyolefin film of the present invention has a density of 0.940 g / c.
It is a polyolefin film containing at least 20% by weight of LLDPE of m 3 or more based on the whole, and having a dimensional change of 0.5% or less after hot air treatment at 100 ° C. In general, when subjected to hot water treatment, general polyethylene undergoes a large dimensional change. This is because the polyethylene has a low softening temperature and is softened and deformed in a high temperature range.
【００１０】ところが密度の高いポリエチレンは軟化温
度が高いため、適量配合することで熱水処理温度域での
軟化変形を防止できる。特に、熱風１００℃処理後の寸
法変化が０．５％以下であれば、このポリオレフィンフ
ィルムを無機蒸着フィルムに積層した包装材料は熱水処
理後においてガスバリア性が維持されるなどの利点があ
る。その他には、熱水処理後の袋のしわがなくなる、シ
ール部の接着安定性が向上するなどの効果が考えられ
る。However, polyethylene having a high density has a high softening temperature. Therefore, by blending it in an appropriate amount, it is possible to prevent softening deformation in a hot water treatment temperature range. In particular, if the dimensional change after hot air treatment at 100 ° C. is 0.5% or less, a packaging material obtained by laminating this polyolefin film on an inorganic vapor-deposited film has advantages such as maintaining gas barrier properties after hot water treatment. Other possible effects include eliminating wrinkles in the bag after the hot water treatment and improving the adhesion stability of the seal portion.
【００１１】このとき、密度０．９４０g／cm3以上のＬ
ＬＤＰＥは２０重量％以上の配合が必要である。熱風１
００℃処理後の寸法変化が０．５％以下であっても密度
０．９４０g／cm3以上のＬＬＤＰＥは２０重量％以下の
配合であれば、熱水温度域で軟化変形するという問題が
生じる。また、密度０．９４０g／cm3以上のＬＬＤＰＥ
は７０重量％以下の配合が好ましい。密度０．９４０g
／cm3以上のＬＬＤＰＥが７０重量％を越えると、包装
物が破袋するという問題が生じる。At this time, L having a density of 0.940 g / cm 3 or more
LDPE must be blended in an amount of 20% by weight or more. Hot air 1
Even if the dimensional change after the treatment at 00 ° C. is 0.5% or less, if LLDPE having a density of 0.940 g / cm 3 or more is blended at 20% by weight or less, there is a problem that softening deformation occurs in a hot water temperature range. . LLDPE with a density of 0.940 g / cm 3 or more
Is preferably 70% by weight or less. 0.940g density
If the LLDPE content is more than 70% by weight / cm 3 or more, there is a problem that the package breaks.
【００１２】このとき、密度０．９４０g／cm3以上のポ
リエチレンはＬＬＤＰＥでなければならない。他のポリ
エチレン、例えば高密度ポリエチレン（ＨＤＰＥ）は低
温での強度、透明性が満足できないからである。ＬＬＤ
ＰＥであても、密度は０．９４０g／cm3未満では熱水処
理温度域では軟化変形する。密度０．９４０g／cm3以上
のポリエチレン以外のポリオレフィン樹脂はポリエチレ
ン樹脂が好ましく、さらには、ＬＬＤＰＥが好ましい。
このとき、さらに低温での強度、透明性が向上する。At this time, polyethylene having a density of 0.940 g / cm 3 or more must be LLDPE. This is because other polyethylene, for example, high-density polyethylene (HDPE) cannot satisfy the strength and transparency at low temperatures. LLD
Even with PE, if the density is less than 0.940 g / cm 3 , it softens and deforms in the hot water treatment temperature range. Polyolefin resins other than polyethylene having a density of 0.940 g / cm 3 or more are preferably polyethylene resins, and more preferably LLDPE.
At this time, the strength and transparency at a low temperature are further improved.
【００１３】このとき、ＬＬＤＰＥの密度は０．９５０
g／cm3以上のポリエチレンであることが好ましい。さら
に、０．９５５g／cm3以上のポリエチレンであることが
好ましい。At this time, the density of LLDPE is 0.950.
Preferably, the polyethylene is g / cm 3 or more. Further, the polyethylene is preferably 0.955 g / cm 3 or more.
【００１４】ＬＬＤＰＥを構成するモノマーとしては上
記の特性を満足すれば特に限定されないが、例えば１−
ブテン、１−ヘキセン、１−オクテン、４−メチル−１
−ペンテンのα−オレフィンが挙げられ、中でも１−ヘ
キセンより炭素数の多い高級α−オレフィンが好まし
い。The monomer constituting LLDPE is not particularly limited as long as the above properties are satisfied.
Butene, 1-hexene, 1-octene, 4-methyl-1
And α-olefins of pentene. Among them, higher α-olefins having more carbon atoms than 1-hexene are preferable.
【００１５】なお、ＬＬＤＰＥには熱安定剤、アンチブ
ロッキング材、スリップ材を配合するのが（フィシュア
イ防止、滑り性の付与）という理由で好ましい。It is preferable to add a heat stabilizer, an anti-blocking material and a slip material to LLDPE (for preventing fish eyes and imparting slipperiness).
【００１６】ＬＬＤＰＥ重合方法は上記の特性を満足す
るＬＬＤＰＥを得ることができれば特に限定されず、従
来公知の方法をとり得る。好ましい方法としては、（液
相法、気相法）が挙げられる。The LLDPE polymerization method is not particularly limited as long as LLDPE satisfying the above characteristics can be obtained, and a conventionally known method can be employed. Preferred methods include (liquid phase method, gas phase method).
【００１７】ポリオレフィン積層体の厚みは５〜１５０
μmの範囲が好ましい。１５０μｍ上であると、フレキ
シブル性の不足が問題となり、５μｍ以下であると包装
物の破袋するという問題が生じる。The thickness of the polyolefin laminate is from 5 to 150
The range of μm is preferred. If it is above 150 μm, insufficient flexibility will be a problem, and if it is below 5 μm, there will be a problem that the package will break.
【００１８】層構成としては、単層でもかまわないが、
積層フイルムにすることで、さらに他の特性を付与でき
るという点で好ましい。例えば、高密度ＬＬＤＰＥ／中
密度ＬＬＤＰＥ／低密度ＬＬＤＰＥ、高密度ＬＬＤＰＥ
／高密度ＬＬＤＰＥ+中密度ＬＬＤＰＥ／中密度ＬＬＤ
ＰＥのような構成が挙げられる。このような構成をとる
ことにより、シール部厚みの細り防止、フイルム添加剤
のブリード防止という効果が現れ、ヒートシール性、接
着強度が安定するといった点で好ましい。The layer structure may be a single layer,
The use of a laminated film is preferable in that other characteristics can be further provided. For example, high density LLDPE / medium density LLDPE / low density LLDPE, high density LLDPE
/ High density LLDPE + medium density LLDPE / medium density LLD
A configuration such as PE is included. By adopting such a configuration, the effect of preventing the thickness of the sealing portion from being thinned and preventing the bleeding of the film additive appears, and is preferable in that the heat sealing property and the adhesive strength are stabilized.
【００１９】本発明のポリオレフィンフィルムの製造方
法としては、Ｔダイ法、インフレーション法があり、Ｔ
ダイ法が特に好ましい。一例として、Ｔダイによる多層
成形法を用いた場合について述べる。まず、樹脂を１５
０〜３００℃℃で押出し、それぞれの層を（１／１〜５
／１）の比率で積層し、冷却ドラム上にキャストする。
ドラフト率は１〜１０％の範囲が好ましい。The method for producing the polyolefin film of the present invention includes a T-die method and an inflation method.
The die method is particularly preferred. As an example, a case where a multilayer molding method using a T-die is used will be described. First, 15
Extruded at 0-300 ° C, and each layer was extruded (1 / 1-5
/ 1) and cast on a cooling drum.
The draft rate is preferably in the range of 1 to 10%.
【００２０】本発明のポリオレフィンフィルムは他素材
とラミネート加工され包装材料を形成することができ
る。The polyolefin film of the present invention can be laminated with another material to form a packaging material.
【００２１】本発明のポリオレフィンフィルムにラミネ
ート加工される他素材としては熱可塑性樹脂の延伸フイ
ルム、アルミ箔、バリア性フイルムが用いられる。包装
材料の層構成としては、ガスバリア性フイルム／本発明
のポリオレフィンフイルム、ポリエステルフィルム／ガ
スバリア性フイルム／本発明のポリオレフィンフイルム
などが挙げられるが、その目的を達する範囲であれば、
これらに限定されるものではない。特に透明蒸着を施し
たガスバリア性フイルムはガスバリア性を有する包装材
料を得るのには最適である。As other materials to be laminated on the polyolefin film of the present invention, a stretched film of a thermoplastic resin, an aluminum foil, and a barrier film are used. Examples of the layer structure of the packaging material include gas barrier film / polyolefin film of the present invention, polyester film / gas barrier film / polyolefin film of the present invention, and the like.
It is not limited to these. In particular, a gas barrier film on which transparent vapor deposition has been performed is most suitable for obtaining a packaging material having gas barrier properties.
【００２２】本発明において、ポリオレフィンフィルム
と他素材からなる包装材料を用いた食品包装包装体を類
型別に分けると、冷凍食品用、乾燥食品用、熱水殺菌用
などに分けることができ、加工食品などの内容物に適用
できる。In the present invention, food packaging using a polyolefin film and a packaging material composed of other materials can be classified into frozen foods, dried foods, hot-water sterilized foods, and the like. And so on.
【００２３】[0023]
【実施例】以下、実施例を挙げて、本発明の内容及び効
果を具体的に説明する。なお、本発明は、その要旨を逸
脱しない限り以下の実施例に限定されるものではない。
また、下記実施例で採用した各種の性能試験は次ぎの方
法によって行った。 （１）熱収縮率 ＪＩＳ Ｋ−６７８２に準拠し、１００℃空気中へ３０
分処理した後の寸法変化を測定した。 （２）ヘイズ ＪＩＳ Ｋ−７１０５に準拠し、測定しました。 （３）酸素透過度 ９５℃で３０分ボイル処理後、ＪＩＳ Ｋ−７１２６に
準拠し、測定した。 （４）耐破袋性 透明蒸着ナイロンフィルム（１５μｍ）と実施例及び比
較例に記載のシーラントフィルム（５０μｍ）をドライ
ラミネート用接着剤を介して、貼り合わせる。前記積層
フィルムを用い、熱シールにより、外寸１３５ｍｍ×１
６５ｍｍ（シール幅：５ｍｍ）の袋を作り、水を２５０
ｃｃを入れて、さらに熱シールにより密封する。これを
９５℃の熱水中で３０分ボイル処理後、５℃まで冷却
し、５℃の雰囲気下で高さ１．５ｍからタテ・ヨコ方向
に繰り返し地面に対し垂直に落とす。袋から水が漏れる
までの落下回数を測定した。The contents and effects of the present invention will be specifically described below with reference to examples. It should be noted that the present invention is not limited to the following embodiments unless departing from the gist thereof.
Various performance tests employed in the following examples were performed by the following methods. (1) Thermal shrinkage rate According to JIS K-6782, 30
The dimensional change after the minute treatment was measured. (2) Haze Measured according to JIS K-7105. (3) Oxygen permeability After boiled at 95 ° C for 30 minutes, it was measured in accordance with JIS K-7126. (4) Bag-breaking resistance The transparent vapor-deposited nylon film (15 μm) and the sealant film (50 μm) described in Examples and Comparative Examples are bonded together via an adhesive for dry lamination. Using the above-mentioned laminated film, heat-sealing, outer dimensions 135 mm x 1
Make a bag of 65mm (seal width: 5mm)
Add cc and seal with heat seal. This is boiled in hot water of 95 ° C. for 30 minutes, cooled to 5 ° C., and repeatedly dropped vertically from the height of 1.5 m in the vertical and horizontal directions in a 5 ° C. atmosphere. The number of drops until water leaked from the bag was measured.
【００２４】（実施例１）Ａ／Ｂ／Ｃの３種３層のＴダ
イのそれぞれＡ、Ｂ、Ｃから以下の樹脂を共押出ししそ
れぞれの厚みが以下のポリオレフィンフィルムを得た。 Ａ：密度０．９６０、ＭＲＦ４．０のＬＬＤＰＥ Ｂ：密度０．９６０、ＭＲＦ４．０のＬＬＤＰＥと密度
０．９２０、ＭＲＦ４．０のＬＬＤＰＥを３３／６７の
重量比で混合した樹脂 Ｃ：密度０．９６０、ＭＲＦ４．０のＬＬＤＰＥ 厚み：Ａ／Ｂ／Ｃ＝１０／３０／１０（μｍ） このフィルムをニ軸延伸ナイロンフィルム（東洋紡績社
製、商品名 Ｎ４１４２）上に酸化ケイ素と酸化アルミ
ニウムの２元系酸化物薄膜を蒸着した厚み１５μｍのフ
ィルム（ＶＮ１００）の酸化物蒸着層上に、接着剤（武
田薬品社製、商品名 Ａ３１０／Ａ１０、塗布量２ｇ／
ｍ2）を用いてドライラミネートし、４５℃で４日間エ
ージングして積層フィルムを得た。ポリオレフィンフィ
ルム及び積層フィルムの特性を測定した。結果を表１に
示す。本実施例のポリオレフィンフィルム及び積層フィ
ルムは優れた特性を有することがわかった。(Example 1) The following resins were coextruded from A, B, and C of three types and three layers of A / B / C three-layer dies to obtain polyolefin films having the following thicknesses. A: LLDPE having a density of 0.960 and MRF 4.0 B: Resin obtained by mixing LLDPE having a density of 0.960 and MRF 4.0 with LLDPE having a density of 0.920 and MRF 4.0 in a weight ratio of 33/67 C: Density 0 .960, LLDPE with MRF 4.0 Thickness: A / B / C = 10/30/10 (μm) This film was formed on a biaxially stretched nylon film (manufactured by Toyobo Co., Ltd., trade name: N4142). An adhesive (trade name: A310 / A10, manufactured by Takeda Pharmaceutical Co., Ltd., trade name: A310 / A10, coating amount: 2 g / min) was formed on the oxide deposited layer of a 15 μm thick film (VN100) on which a binary oxide thin film was deposited.
m 2 ), and aged at 45 ° C. for 4 days to obtain a laminated film. The properties of the polyolefin film and the laminated film were measured. Table 1 shows the results. It was found that the polyolefin film and the laminated film of this example had excellent characteristics.
【００２５】[0025]
【表１】 [Table 1]
【００２６】（比較例１）実施例１において、表１に示
す組成の樹脂を使用する他は、実施例１と同様に行っ
た。このフィルムはヘイズ、耐破袋性が劣る結果となっ
た。Comparative Example 1 The procedure of Example 1 was repeated, except that the resins having the compositions shown in Table 1 were used. This film resulted in poor haze and bag-breaking resistance.
【００２７】（比較例２）実施例１において、表１に示
す組成の樹脂を使用する他は、実施例１と同様に行っ
た。このフィルムは寸法安定性、ガスバリア性が劣る結
果となった。Comparative Example 2 The procedure of Example 1 was repeated, except that the resins having the compositions shown in Table 1 were used. This film was inferior in dimensional stability and gas barrier properties.
【００２８】（比較例３）実施例１において、表１に示
す組成の樹脂を使用する他は、実施例１と同様に行っ
た。このフィルムはヘイズ、耐破袋性が劣る結果となっ
た。Comparative Example 3 The procedure of Example 1 was repeated, except that a resin having the composition shown in Table 1 was used. This film resulted in poor haze and bag-breaking resistance.
【００２９】（比較例４）実施例１において、表１に示
す組成の樹脂を使用する他は、実施例１と同様に行っ
た。このフィルムは寸法安定性、ガスバリア性が劣る結
果となった。Comparative Example 4 The procedure of Example 1 was repeated, except that the resins having the compositions shown in Table 1 were used. This film was inferior in dimensional stability and gas barrier properties.
【００３０】[0030]
【発明の効果】本発明のポリオレフィンフィルムを用い
ると低温の冷凍用途から高温の熱水殺菌用途まで巾広い
温度領域に使用可能な包装材料を得ることができる。By using the polyolefin film of the present invention, it is possible to obtain a packaging material which can be used in a wide temperature range from a low-temperature freezing application to a high-temperature hot water sterilization application.
フロントページの続き Ｆターム(参考） 3E086 BA04 BA15 BB22 BB51 BB68 CA01 4F071 AA14X AA15X AA19 AH04 BB06 BB09 BC01 BC11 BC17 4F100 AA19 AA20 AK48 AK63 AK63A AK63B BA01 BA02 BA03 BA04 BA13 BA16 CB00 EH20 EH66 GB15 GB23 JA03 JA13A JA13B JD03 JK01 JL04 JL04A JL04B JL12 JN01 JN01A JN01B YY00A YY00B 4J002 BB03W BB03X BB05W BB05X GG02 Continued on the front page F-term (reference) 3E086 BA04 BA15 BB22 BB51 BB68 CA01 4F071 AA14X AA15X AA19 AH04 BB06 BB09 BC01 BC11 BC17 4F100 AA19 AA20 AK48 AK63 AK63A AK63B BA01 BA02 BA03 J03 GB03 E04 GB13 E03 GB JL04A JL04B JL12 JN01 JN01A JN01B YY00A YY00B 4J002 BB03W BB03X BB05W BB05X GG02
Claims (4)
ポリエチレン（ＬＬＤＰＥ）を全体に対し、２０重量％
以上含み、かつ、熱風１００℃処理後の寸法変化率が
０．５％以下であることを特徴とするポリオレフィンフ
ィルム。1. A linear low-density polyethylene (LLDPE) having a density of 0.940 g / cm 3 or more is 20% by weight based on the whole.
A polyolefin film comprising the above, and having a dimensional change rate after treatment with hot air of 100 ° C. of 0.5% or less.
であって、かつヘイズが１０％以下であることを特徴と
するポリオレフィンフィルム。2. The polyolefin film according to claim 1, wherein the haze is 10% or less.
リオレフィンフィルムが２層以上の積層フィルムである
ことを特徴とするポリオレフィンフィルム。3. The polyolefin film according to claim 1, wherein the polyolefin film is a laminated film having two or more layers.
のポリオレフィンフィルムを少なくとも1層含むことを
特徴とする包装材料。4. A packaging material comprising at least one layer of the polyolefin film according to claim 1, 2 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000214613A JP2002030160A (en) | 2000-07-14 | 2000-07-14 | Polyolefin film and packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000214613A JP2002030160A (en) | 2000-07-14 | 2000-07-14 | Polyolefin film and packaging material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002030160A true JP2002030160A (en) | 2002-01-31 |
Family
ID=18710155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000214613A Withdrawn JP2002030160A (en) | 2000-07-14 | 2000-07-14 | Polyolefin film and packaging material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002030160A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002069213A (en) * | 2000-09-01 | 2002-03-08 | Toyobo Co Ltd | Polyolefin resin film and laminated packaging material |
| JPWO2021029156A1 (en) * | 2019-08-09 | 2021-02-18 |
-
2000
- 2000-07-14 JP JP2000214613A patent/JP2002030160A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002069213A (en) * | 2000-09-01 | 2002-03-08 | Toyobo Co Ltd | Polyolefin resin film and laminated packaging material |
| JPWO2021029156A1 (en) * | 2019-08-09 | 2021-02-18 | ||
| US12083774B2 (en) | 2019-08-09 | 2024-09-10 | Toppan Inc. | Barrier film and barrier packaging material |
| JP7605112B2 (en) | 2019-08-09 | 2024-12-24 | Ｔｏｐｐａｎホールディングス株式会社 | Barrier Packaging Materials |
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