JP3120545B2 - Oily food packaging material and container using this packaging material - Google Patents
Oily food packaging material and container using this packaging materialInfo
- Publication number
- JP3120545B2 JP3120545B2 JP04074528A JP7452892A JP3120545B2 JP 3120545 B2 JP3120545 B2 JP 3120545B2 JP 04074528 A JP04074528 A JP 04074528A JP 7452892 A JP7452892 A JP 7452892A JP 3120545 B2 JP3120545 B2 JP 3120545B2
- Authority
- JP
- Japan
- Prior art keywords
- packaging material
- absorbing polymer
- oil
- liquid
- adhesive resin
- 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.)
- Expired - Fee Related
Links
- 239000005022 packaging material Substances 0.000 title claims description 35
- 239000005003 food packaging material Substances 0.000 title claims description 7
- 229920000642 polymer Polymers 0.000 claims description 43
- 235000013305 food Nutrition 0.000 claims description 37
- -1 polypropylene Polymers 0.000 claims description 33
- 239000002245 particle Substances 0.000 claims description 29
- 239000004745 nonwoven fabric Substances 0.000 claims description 28
- 239000004743 Polypropylene Substances 0.000 claims description 26
- 229920001155 polypropylene Polymers 0.000 claims description 26
- 239000004840 adhesive resin Substances 0.000 claims description 23
- 229920006223 adhesive resin Polymers 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 229920000554 ionomer Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920006226 ethylene-acrylic acid Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 53
- 239000007788 liquid Substances 0.000 description 15
- 239000000123 paper Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 235000013194 Lyophyllum decastes Nutrition 0.000 description 4
- 240000005856 Lyophyllum decastes Species 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 235000013410 fast food Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 235000015220 hamburgers Nutrition 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 101100160821 Bacillus subtilis (strain 168) yxdJ gene Proteins 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- 239000004775 Tyvek Substances 0.000 description 1
- 229920000690 Tyvek Polymers 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002313 adhesive film Substances 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
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000012020 french fries Nutrition 0.000 description 1
- 235000019692 hotdogs Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Wrappers (AREA)
- Laminated Bodies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、ファーストフード店や
コンビニエンスストア等で販売しているハンバーガー、
フライドチキン等の油を用いた食品、特に加温状態の前
記食品を持ち帰る際に使用する袋、箱等に使用する包装
材料および、この包装材料を用いた容器に関する。[Industrial applications] This invention is intended for hamburgers sold at fast food stores and convenience stores, etc.
The present invention relates to a packaging material used for a bag, a box, or the like used when bringing back food products using oil such as fried chicken, particularly, the food product in a heated state, and a container using the packaging material.
【０００２】[0002]
【従来の技術】最近、ファーストフード店やコンビニエ
ンスストアが多くなり、これらの店では、一般のお菓子
や食品の他、持ち帰り調理食品を扱うのが特徴となって
いる。2. Description of the Related Art In recent years, fast food stores and convenience stores have increased in number, and these stores are characterized by handling not only ordinary sweets and foods but also take-out cooked foods.
【０００３】この持ち帰り食品としては、ハンバーガ
ー、ホットドッグ等の油を用いた食品があり、この中に
は加温状態の食品もあり、これら食品は油性食品である
ため、油の浸み出しを防止するため最内層に合成樹脂フ
ィルムを用いた、例えばアルミ箔／紙／ポリエチレン
層、紙／ポリエチレン層からなる袋、箱等に収納する
か、ワックス含浸紙からなる袋に収納して持ち帰ってい
たのが一般的であった。[0003] As this take-out food, there are foods using oil such as hamburgers, hot dogs, etc. Among them, there are also foods in a heated state, and since these foods are oily foods, oil exudation may occur. In order to prevent this, a synthetic resin film was used as the innermost layer. For example, it was stored in a bag or box made of aluminum foil / paper / polyethylene layer, paper / polyethylene layer, or stored in a bag made of wax impregnated paper and brought back. Was common.
【０００４】前記材料からなる袋、または箱は、油性食
品であっても油の浸み出しがないが、加温状態の食品を
包装する際、袋、箱等の容器の内外の温度差により、容
器内面に結露し、この結露した水が食品に移行してしま
うため、持ち帰った食品の食感を損なうことがあった。[0004] Bags or boxes made of the above materials do not seep out oil even if they are oily foods. However, when packaging foods in a heated state, the temperature difference between the inside and outside of the containers such as bags, boxes, etc. In addition, dew forms on the inner surface of the container, and the condensed water migrates to the food, so that the texture of the brought back food may be impaired.
【０００５】本出願人は、以上のようなファーストフー
ド店やコンビニエンスストア等で発売している、加温状
態の持ち帰り調理食品を包装しても、結露による食感の
低下を小さくした加温食品用包装材料を、実願平３−８
１６８号として出願している。[0005] The applicant of the present invention has been able to reduce the deterioration of the texture due to dew condensation even when packaging cooked take-away foods sold in the above-mentioned fast food stores and convenience stores. Wrapping materials, Jpn.
No. 168.
【０００６】前記出願は、基材の内面にヒートシール
性、および吸水性を有する材料からなる内面層を設けた
ことを特徴とした加温食品用包装材料であり、また前記
内面層として、ヒートシール性および吸水性を有する不
織布、または無サイズ紙と穴のあいた熱接着性フィルム
との積層材料を用いた加温食用品包装材料である。[0006] The above-mentioned application is a packaging material for heated food, characterized in that an inner surface layer made of a material having heat sealability and water absorbability is provided on the inner surface of a substrate. A heated food packaging material using a nonwoven fabric having sealability and water absorbency, or a laminated material of non-sized paper and a heat-adhesive film having holes.
【０００７】さらに、基材と内面層との間に吸水性樹脂
層を設けた加温食品用包装材料である。Further, there is provided a packaging material for heated food, wherein a water-absorbing resin layer is provided between the base material and the inner surface layer.
【０００８】このように包装材料の内面層を、吸水性、
ヒートシール性を有する構成としたので加温食品を収納
しても、内面に結露が発生せず、袋、箱として使用でき
る。また、基材と内面層の間に吸水性樹脂層を設けるこ
とにより水蒸気を多く発生する、いわゆる水分の多い食
品であっても内面に結露が発生せず安心して使用するこ
とができるようにした。[0008] Thus, the inner surface layer of the packaging material is made to absorb water,
Since the heat-sealing configuration is adopted, even when heated food is stored, no dew condensation occurs on the inner surface, and it can be used as a bag or a box. In addition, by providing a water-absorbent resin layer between the base material and the inner surface layer, a large amount of water vapor is generated, so that even a so-called moisture-rich food can be used with confidence without dew condensation on the inner surface. .
【０００９】しかしながら、フライドポテト、フライド
チキン等の油で揚げた食品を前記構成の包装材料からな
る容器に収納した場合、油が食品との接触部分だけでな
く、食品の周囲まで広がり美観性に問題があり、改善が
望まれていた。特に、揚げたての食品の場合、前記の油
の広がりだけでなく、容器の外部まで浸み出してしまう
ことがあった。However, when foods fried with oil such as french fries and fried chicken are stored in a container made of the packaging material having the above-described structure, the oil spreads not only in contact with the food but also around the food, resulting in aesthetically pleasing. There was a problem and improvement was desired. In particular, in the case of a freshly fried food, not only the above-mentioned spread of the oil but also leaching to the outside of the container may occur.
【００１０】[0010]
【発明が解決しようとする課題】本発明は、油性食品を
収納しても、油が食品の載置した部分から広がらず、ま
た加温状態であっても油が外部まで浸み出す恐れのない
包装材料、およびこの包装材料を用いた容器を提供する
ことを目的とする。また、同時に加温食品を収納した際
に生じる水滴の問題も解消した包装材料、およびこの包
装材料を用いた容器を提供することを目的とする。SUMMARY OF THE INVENTION According to the present invention, even if an oily food is stored, the oil does not spread from the portion on which the food is placed, and the oil may leak to the outside even in a heated state. It is an object of the present invention to provide a packaging material which does not have a packaging material and a container using the packaging material. It is another object of the present invention to provide a packaging material in which the problem of water droplets generated when storing heated food is eliminated, and a container using the packaging material.
【００１１】[0011]
【課題を解決するための手段】本発明は、紙製基材の片
面に、ポリエチレン、ポリプロピレン、アイオノマー樹
脂、エチレン−アクリル酸樹脂共重合体あるいはこれら
の混合樹脂から選ばれる一種からなる接着樹脂層を介し
て、面活性剤で表面処理が施されているポリプロピレン
不織布層を順次積層してなる油性食品用包装材料であ
る。ポリプロピレン不織布層は、面活性剤で表面処理す
ることにより、表面の濡れ指数を向上させた不織布を用
いる。 According to the present invention, there is provided an adhesive resin layer made of one selected from polyethylene, polypropylene, ionomer resin, ethylene-acrylic acid resin copolymer or a mixed resin thereof on one surface of a paper base material. This is an oil-based food packaging material obtained by sequentially laminating a polypropylene non-woven fabric layer that has been subjected to a surface treatment with a surfactant via a nonwoven fabric. Polypropylene nonwoven layer, by surface treatment with a surface active agent, Ru have <br/> use a nonwoven fabric having improved wetting index of the surface.
【００１２】ここで、吸液をより確実にするため、紙製
基材とポリプロピレン不織布層とを積層する際、吸水ポ
リマー、吸油ポリマー、またはこれらポリマーの混合物
から選ばれる一種からなる吸液ポリマー粒子層を設けた
構成とした包装材料である。この構成の場合、接着樹脂
層の厚さは、吸液ポリマー粒子の平均粒径より薄くする
ことが、吸液効果の点から好ましい。Here, in order to more reliably absorb liquid, when laminating a paper base and a polypropylene non-woven fabric layer, the liquid-absorbing polymer particles comprising one kind selected from a water-absorbing polymer, an oil-absorbing polymer, and a mixture of these polymers. It is a packaging material having a configuration provided with a layer. In the case of this configuration, the thickness of the adhesive resin layer is preferably smaller than the average particle size of the liquid absorbing polymer particles from the viewpoint of the liquid absorbing effect.
【００１３】さらに、本発明は前記包装材料を、袋状、
または箱状の容器とした油性食品用容器である。Further, the present invention provides the packaging material,
Or it is a container for oily foods in the form of a box.
【００１４】[0014]
【作用】本発明の包装材料は、少なくとも内面がポリプ
ロピレン不織布層からなるので、フライドチキン等の油
性食品を接触した状態で収納すると、食品の油は、接触
したポリプロピレン不織布層の接触部分で保持され、食
品の周囲まで油が広がることがなく、外観上きれいな状
態で収納できる。Since the packaging material of the present invention has at least an inner surface formed of a polypropylene nonwoven fabric layer, when oily food such as fried chicken is stored in contact with the foodstuff, the food oil is held at the contacting portion of the contacted polypropylene nonwoven fabric layer. The oil does not spread to the periphery of the food and can be stored in a clean appearance.
【００１５】また、ポリプロピレン不織布の表面を界面
活性剤で処理することにより、食品からの湯気等がポリ
プロピレン不織布層の表面に水滴として残らないので、
食品に対して悪影響を及ぼさない。Further, by treating the surface of the polypropylene nonwoven fabric with a surfactant, steam from food does not remain as water droplets on the surface of the polypropylene nonwoven fabric layer.
Has no adverse effects on food.
【００１６】さらに、接着樹脂層の厚さを吸液ポリマー
粒子の径より薄く形成したので、吸液ポリマー粒子が接
着樹脂層に埋没する恐れがないので、吸液機能が低下す
ることがない。Furthermore, since the thickness of the adhesive resin layer is formed smaller than the diameter of the liquid-absorbing polymer particles, there is no possibility that the liquid-absorbing polymer particles will be buried in the adhesive resin layer, so that the liquid-absorbing function does not deteriorate.
【００１７】[0017]
【実施例】図１は、本発明の一実施例を示す断面図で、
紙製基材（１）の内面に接着樹脂層（２）を介して、吸
液ポリマー粒子層（３）、ポリプロピレン不織布層
（４）を順次積層してなる油性食品用包装材料である。FIG. 1 is a sectional view showing an embodiment of the present invention.
This is an oily food packaging material in which a liquid absorbing polymer particle layer (3) and a polypropylene nonwoven fabric layer (4) are sequentially laminated on the inner surface of a paper base material (1) via an adhesive resin layer (2).
【００１８】ここで、接着樹脂層（２）は、ポリエチレ
ン、ポリプロピレン、アイオノマー樹脂、エチレン−ア
クリル酸共重合体あるいはこれらの混合樹脂から選ばれ
る一種からなる。そして、この接着樹脂層（２）の厚さ
は、吸液ポリマー粒子の平均粒径より薄い厚さに形成す
る。Here, the adhesive resin layer (2) is made of one selected from polyethylene, polypropylene, ionomer resin, ethylene-acrylic acid copolymer or a mixed resin thereof. The thickness of the adhesive resin layer (2) is formed to be smaller than the average particle size of the liquid-absorbing polymer particles.
【００１９】また吸液ポリマーは、吸水ポリマー、吸油
ポリマー、または、吸水ポリマーと吸油ポリマーの混合
物から選ばれる一種からなる。ここで吸水ポリマーの具
体的なものとしては、デンプン−アクリル酸ソーダグラ
フト重合体、デンプン−アクリロニトリルグラフト重合
体加水分解物、一部架橋されたデンプン−ポリ（メタ）
アクリル酸共重合体、一部架橋されたデンプン−ポリメ
タクリル酸メチル加水分解物が挙げられる。The liquid-absorbing polymer is composed of one selected from a water-absorbing polymer, an oil-absorbing polymer, and a mixture of a water-absorbing polymer and an oil-absorbing polymer. Here, specific examples of the water-absorbing polymer include starch-sodium acrylate graft polymer, starch-acrylonitrile graft polymer hydrolyzate, and partially cross-linked starch-poly (meth).
Acrylic acid copolymers and partially cross-linked starch-poly (methyl methacrylate) hydrolyzate are exemplified.
【００２０】吸油ポリマーの具体例としては、ポリアク
リルエステル吸油樹脂、または商品名：アクアリックＫ
Ａ−ＯＡ１００（日本触媒工業製）がある。この吸水ポ
リマーと吸油ポリマーを併用する場合は、重量比で９
８：２〜２：９８の範囲で設ければよい。Specific examples of the oil-absorbing polymer include polyacrylester oil-absorbing resin and trade name: AQUALIC K
There is A-OA100 (manufactured by Nippon Shokubai Kogyo). When the water-absorbing polymer and the oil-absorbing polymer are used in combination, the weight ratio is 9%.
What is necessary is just to provide in the range of 8: 2 to 2:98.
【００２１】次に、本発明の包装材料の製造方法につい
て説明する。図２に示すように、ポリプロピレン不織布
層（４）を繰り出し、水平状態でスプレーまたはパウダ
装置で吸液ポリマー粒子を散布し、吸液ポリマー粒子層
（３）を形成する。一方、他方から繰り出した板紙等の
紙製基材（１）との間にダイからポリエチレン等の接着
樹脂層（２）を押し出し、紙製基材（１）とポリプロピ
レン不織布層（４）とを圧着し、包装材料を製造する。Next, a method for producing the packaging material of the present invention will be described. As shown in FIG. 2, the polypropylene nonwoven fabric layer (4) is unwound, and the liquid-absorbing polymer particles are sprayed in a horizontal state by a spray or powder device to form a liquid-absorbing polymer particle layer (3). On the other hand, an adhesive resin layer (2) such as polyethylene is extruded from a die between a paper substrate (1) such as a paperboard drawn out from the other, and the paper substrate (1) and the polypropylene nonwoven fabric layer (4) are extruded. Crimping to produce packaging material.
【００２２】この時、接着樹脂層（２）の厚さを、吸液
ポリマー粒子の平均粒径より薄く形成したので、吸液ポ
リマー粒子が、接着樹脂層（２）に埋没せず、少なくと
も吸液ポリマー粒子の表面のうちポリプロピレン不織布
側は、露出した状態となるので、吸液機能を低下させる
ことがない。At this time, since the thickness of the adhesive resin layer (2) is formed to be smaller than the average particle diameter of the liquid absorbing polymer particles, the liquid absorbing polymer particles are not buried in the adhesive resin layer (2), and are at least absorbed. Since the polypropylene nonwoven fabric side of the surface of the liquid polymer particles is exposed, the liquid absorbing function is not reduced.
【００２３】また、接着樹脂層（２）の厚さを、吸液ポ
リマー粒子の平均粒径より薄くしても、紙製基材（１）
と吸液ポリマー粒子層（３）の間に、接着樹脂層（２）
の被膜が形成された状態となるので紙製基材（１）と吸
液ポリマー粒子層（３）とが直接接触することがない。Further, even if the thickness of the adhesive resin layer (2) is smaller than the average particle size of the liquid-absorbing polymer particles, the paper base material (1)
Adhesive resin layer (2) between the layer and the liquid absorbing polymer particle layer (3)
In this state, the paper substrate (1) and the liquid absorbing polymer particle layer (3) do not come into direct contact with each other.
【００２４】さらに、接着樹脂層（２）を介して積層
後、圧着した場合でもポリプロピレン不織布層（４）が
クッション性を有するので、吸液ポリマー粒子層（３）
の吸液ポリマー粒子が、前記接着樹脂層（２）の被膜を
突き抜けることなく、紙製基材（１）と吸液ポリマー粒
子層（３）とが接触することがない。Further, even if the polypropylene nonwoven fabric layer (4) has a cushioning property even when pressure-bonded after lamination via the adhesive resin layer (2), the liquid absorbing polymer particle layer (3)
The liquid absorbing polymer particles do not penetrate through the coating of the adhesive resin layer (2), and the paper base (1) does not contact the liquid absorbing polymer particle layer (3).
【００２５】ポリプロピレン不織布層（４）に用いる不
織布は、ポリプロピレン繊維を用いた不織布であれば、
製法にかかわらず使用可能で、さらにポリプロピレン不
織布の表面（吸液ポリマー粒子層に接しない面）を界面
活性剤にて処理し、表面の濡れ指数を７０〜７６ダイン
／ｃｍの範囲としておくことが好ましい。ここで、吸液
ポリマー粒子層（３）は必ずしも設けなくてもよく、図
３に示す包装材料を用いてもよい。この場合、ポリプロ
ピレン不織布層（４）が吸液を行うことになる。The non-woven fabric used for the polypropylene non-woven fabric layer (4) is a non-woven fabric using polypropylene fibers.
It can be used regardless of the production method, and the surface of the polypropylene nonwoven fabric (the surface not in contact with the liquid-absorbing polymer particle layer) is treated with a surfactant so that the surface wetting index is in the range of 70 to 76 dynes / cm. preferable. Here, the liquid-absorbing polymer particle layer (3) does not necessarily need to be provided, and the packaging material shown in FIG. 3 may be used. In this case, the polypropylene nonwoven fabric layer (4) absorbs liquid.
【００２６】次に、本発明の包装材料を用いた容器とし
ては、図４に示すように、ポリプロピレン不織布層
（４）を内面とした袋状の容器、図５に示すように、ポ
リプロピレン不織布層（４）を内面とした箱状の容器で
ある。箱状の容器は、図５のように一体でない図６に示
した容器の場合は、蓋（５）以外の容器（６）部分にの
み、本発明の包装材料を用いればよく、蓋（５）は、吸
水性のみを考慮した構成としてもよい。Next, as a container using the packaging material of the present invention, as shown in FIG. 4, a bag-shaped container having a polypropylene non-woven fabric layer (4) as an inner surface, and as shown in FIG. This is a box-shaped container having (4) as the inner surface. When the box-shaped container is the container shown in FIG. 6 which is not integrated as in FIG. 5, the packaging material of the present invention may be used only for the container (6) other than the lid (5). ) May be configured in consideration of only water absorption.
【００２７】本発明の包装材料を用い油性食品を用いた
具体例について説明する。 ＜試験例１＞表面を界面活性剤で表面処理し、表面の濡
れ指数を７４ダイン／ｃｍとしたポリプロピレンスパン
ボンド不織布（坪量４０ｇ／ｍ2 ）からなる不織布層の
片面（界面活性剤で処理しない面）に、吸水ポリマー粒
子（平均粒径１００μｍ：アクアリックＣＡＭＬ−５
０、日本触媒工業製）を２ｇ／ｍ2 の量に散布したもの
と、表面に印刷層を設けた坪量２６０ｇ／ｍ2 の板紙か
らなる紙製基材とを、図２に示した方法により、厚さ２
０μｍの溶融低密度ポリエチレンからなる接着樹脂層を
介して積層し、本発明の包装材料を得た（サンプル
１）。A specific example using an oil-based food using the packaging material of the present invention will be described. <Test Example 1> One surface of a nonwoven fabric layer made of a polypropylene spunbonded nonwoven fabric (basis weight 40 g / m 2 ) having a surface treated with a surfactant and having a surface wetting index of 74 dynes / cm (treated with a surfactant) Water-absorbing polymer particles (average particle size: 100 μm: Aquaric CAML-5)
0, Nippon Shokubai method to that Industrial Ltd.) was sprayed in an amount of 2 g / m 2, and a paper substrate comprising a printed layer from the basis weight 260 g / m 2 paperboard provided on the surface, as shown in FIG. 2 By thickness 2
Lamination was performed via an adhesive resin layer made of 0 μm molten low-density polyethylene to obtain a packaging material of the present invention (Sample 1).
【００２８】この包装材料で、図５に示す、箱状の容器
を製造し、内部に揚げたてのフライドチキンを６個収納
して、油のにじみ、水滴の付着状態を観察した。A box-shaped container as shown in FIG. 5 was manufactured from this packaging material, and six freshly fried chickens were housed in the container. Oil bleeding and adhesion of water droplets were observed.
【００２９】次に、接着樹脂層をポリプロピレンとした
以外は実施例１と同様にして包装材料を製造し、上記と
同様のテストを行った（サンプル２）。また、サンプル
１の吸水ポリマー粒子層を設けない以外は、サンプル１
と同様の材料からなる包装材料を用いて、上記と同様の
テストを行った（サンプル３）。Next, a packaging material was produced in the same manner as in Example 1 except that the adhesive resin layer was made of polypropylene, and the same test as described above was conducted (Sample 2). In addition, except that the water-absorbing polymer particle layer of Sample 1 was not provided,
A test similar to the above was performed using a packaging material made of the same material as in the above (Sample 3).
【００３０】サンプル１の不織布層に代えて無サイズ紙
（東洋パルプ製、ＭＣＢタオル、坪量５０ｇ／ｍ2 ）を
用いた以外は、サンプル１と同様にして、包装材料を製
造し、上記と同様のテストを行った（サンプル４）。A packaging material was prepared in the same manner as in Sample 1 except that non-sized paper (manufactured by Toyo Pulp, MCB towel, basis weight 50 g / m 2 ) was used instead of the nonwoven fabric layer of Sample 1. A similar test was performed (Sample 4).
【００３１】不織布層をポリプロピレン不織布でなく、
ポリエチレン不織布（タイベック、デュポン社製）を用
いた以外は、サンプル１と同様にして包装材料を製造
し、上記と同様のテストを行った（サンプル５）。The nonwoven fabric layer is not made of polypropylene nonwoven fabric,
A packaging material was manufactured in the same manner as in Sample 1, except that a polyethylene nonwoven fabric (manufactured by Tyvek, manufactured by DuPont) was used, and the same test as described above was performed (Sample 5).
【００３２】サンプル１の吸水ポリマーに代えて、吸油
ポリマー（ポリアクリルエステル吸油樹脂、三菱油化
製）を用いた以外は、サンプル１と同様に包装材料を製
造し、同様のテストを行った（サンプル６）。A packaging material was manufactured in the same manner as in Sample 1 except that an oil-absorbing polymer (polyacrylester oil-absorbing resin, manufactured by Mitsubishi Yuka) was used instead of the water-absorbing polymer of Sample 1, and a similar test was performed ( Sample 6).
【００３３】上記結果を表１に示す。The results are shown in Table 1.
【表１】 [Table 1]
【００３４】[0034]
【発明の効果】本発明の包装材料、およびこの包装材料
からなる容器は、内容物として、加温状態の油性食品を
収納しても油の広がりは、食品と接触した部分のみで、
それ以上の広がりが見られなかった。これと同時に、容
器の蓋の内側への水滴の付着が認められず、内容物が濡
れて食感を低下させることがなかった。According to the packaging material of the present invention and a container made of the packaging material, even if a heated oily food is stored as a content, the spread of the oil is limited only to the portion in contact with the food.
No further spread was seen. At the same time, water droplets did not adhere to the inside of the lid of the container, and the contents did not wet and the texture was not reduced.
【００３５】また、接着樹脂層として、ポリプロピレン
を用いた場合は、油の広がり、折り曲げ部からの油の浸
み出しが認められず、耐油性に優れたものであった。When polypropylene was used as the adhesive resin layer, no oil spread and no seepage of oil from the bent portion was observed, and the oil resistance was excellent.
【図１】本発明の包装材料の断面図である。FIG. 1 is a sectional view of a packaging material of the present invention.
【図２】本発明の包装材料の製造方法を示す説明図であ
る。FIG. 2 is an explanatory view showing a method for producing a packaging material of the present invention.
【図３】他の包装材料の断面図である。FIG. 3 is a sectional view of another packaging material.
【図４】本発明の容器の一例を示す説明図である。FIG. 4 is an explanatory view showing an example of the container of the present invention.
【図５】本発明の他の容器の例を示す説明図である。FIG. 5 is an explanatory view showing an example of another container of the present invention.
【図６】本発明の他の容器の例を示す説明図である。FIG. 6 is an explanatory view showing an example of another container of the present invention.
１…紙製基材 ２…接着樹脂層 ３…吸液ポリマー粒子層 ４…不織布層 ５…蓋 ６…容器 DESCRIPTION OF SYMBOLS 1 ... Paper base material 2 ... Adhesive resin layer 3 ... Liquid absorption polymer particle layer 4 ... Nonwoven fabric layer 5 ... Lid 6 ... Container
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B32B 1/00 - 35/00 B65D 65/40 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) B32B 1/00-35/00 B65D 65/40
Claims (6)
面活性剤で表面処理が施されているポリプロピレン不織
布層を積層した油性食品用包装材料。1. A through the adhesive resin layer on one surface of the paper substrate, field
An oil-based food packaging material in which a polypropylene non-woven fabric layer surface-treated with a surfactant is laminated.
液ポリマー粒子層、界面活性剤で表面処理が施されてい
るポリプロピレン不織布層を順次積層した油性食品用包
装材料。2. One surface of a paper substrate is subjected to a surface treatment with a liquid-absorbing polymer particle layer and a surfactant via an adhesive resin layer.
Sequentially laminated oily food packaging material for the polypropylene nonwoven layers that.
マー粒子の径より薄くした油性食品用包装材料。3. A packaging material for oil-based foods, wherein the thickness of the adhesive resin layer according to claim 2 is smaller than the diameter of the liquid-absorbing polymer particles.
レン、アイオノマー樹脂、エチレン−アクリル酸樹脂共
重合体あるいはこれらの混合樹脂から選ばれる１種から
なる、請求項１乃至請求項３のいずれかに記載の油性食
品用包装材料。4. The adhesive resin layer according to claim 1, wherein the adhesive resin layer is made of one selected from polyethylene, polypropylene, ionomer resin, ethylene-acrylic acid resin copolymer or a mixed resin thereof. Packaging material for oily foods.
ポリマー、または吸液ポリマーと吸水性ポリマーの混合
物から選ばれる１種からなる、請求項２乃至請求項４の
いずれかに記載の油性食品用包装材料。5. The oily substance according to claim 2, wherein the liquid-absorbing polymer comprises one selected from a water-absorbing polymer, an oil-absorbing polymer, and a mixture of a liquid-absorbing polymer and a water-absorbing polymer. Food packaging material.
包装材料を、袋状または箱状容器とした油性食品用容
器。 6. The method according to claim 1, wherein
Oil-based food containers made of packaging or bag-shaped containers
vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04074528A JP3120545B2 (en) | 1992-03-30 | 1992-03-30 | Oily food packaging material and container using this packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04074528A JP3120545B2 (en) | 1992-03-30 | 1992-03-30 | Oily food packaging material and container using this packaging material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05269940A JPH05269940A (en) | 1993-10-19 |
| JP3120545B2 true JP3120545B2 (en) | 2000-12-25 |
Family
ID=13549900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04074528A Expired - Fee Related JP3120545B2 (en) | 1992-03-30 | 1992-03-30 | Oily food packaging material and container using this packaging material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3120545B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10829256B2 (en) | 2015-03-23 | 2020-11-10 | Yuyama Mfg. Co., Ltd. | Drug portion packaging device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3516758B2 (en) * | 1995-01-27 | 2004-04-05 | 興陽製紙株式会社 | White paperboard for food containers |
| CN103144365B (en) * | 2013-03-12 | 2015-11-25 | 金红叶纸业集团有限公司 | Composite and package body |
-
1992
- 1992-03-30 JP JP04074528A patent/JP3120545B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10829256B2 (en) | 2015-03-23 | 2020-11-10 | Yuyama Mfg. Co., Ltd. | Drug portion packaging device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05269940A (en) | 1993-10-19 |
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