JP3221933B2 - Biodegradable molded container and method for producing the same - Google Patents
Biodegradable molded container and method for producing the sameInfo
- Publication number
- JP3221933B2 JP3221933B2 JP28326992A JP28326992A JP3221933B2 JP 3221933 B2 JP3221933 B2 JP 3221933B2 JP 28326992 A JP28326992 A JP 28326992A JP 28326992 A JP28326992 A JP 28326992A JP 3221933 B2 JP3221933 B2 JP 3221933B2
- Authority
- JP
- Japan
- Prior art keywords
- container
- protein
- molded
- producing
- biodegradable
- 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
Landscapes
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
- General Preparation And Processing Of Foods (AREA)
- Jellies, Jams, And Syrups (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、容器として用いられる
生分解性を有する成形物及びその製造方法に関するもの
である。The present invention relates to relates to molded product and a manufacturing method thereof having biodegradability for use as a container.
【０００２】[0002]
【従来の技術】容器として一般に利用されているプラス
チック類は、生分解性が極めて低いこと、焼却の際に有
害ガスを発生することなどが原因となって、その廃棄処
理が近年大きな社会問題となっている。2. Description of the Related Art Plastics generally used as containers are extremely low in biodegradability and generate harmful gases when incinerated. Has become.
【０００３】そこで、この問題に対処するために、生分
解性を有する種々の成形物が提案されており、その中に
生分解性を有するでんぷんや蛋白質、食物廃材などの原
料からなる成形物が考えられている。In order to solve this problem, various molded products having biodegradability have been proposed. Among them, molded products made of raw materials such as biodegradable starch, protein, food waste and the like have been proposed. It is considered.
【０００４】[0004]
【発明が解決しようとする課題】ところが、上記成形物
は耐水性や防水性に劣るため、水分の多い食品や液状食
品用の容器として用いた場合、水もれが生じ長時間の使
用は困難であるという問題点を有している。However, since the molded article is inferior in water resistance and waterproofness, when it is used as a container for food with a high moisture content or liquid food, water leakage occurs and it is difficult to use for a long time. There is a problem that is.
【０００５】本発明は上記問題点に鑑み、生分解性を損
なうことなく、耐水性及び防水性を付与し、水分の多い
食品や液状食品用の容器として長時間使用に耐えられる
ようにした成形物を提供することを目的としている。[0005] In view of the above problems, the present invention provides a water-resistant and waterproof material without impairing biodegradability, so that it can be used for a long time as a container for watery food or liquid food. It is intended to provide things.
【０００６】[0006]
【課題を解決するための手段】本発明の生分解性成形容
器は、スラリー状ミックスを焼成して得られる生分解性
を有する容器状成形物の表面に、蛋白質からなる層が形
成されている成形物である。SUMMARY OF THE INVENTION The biodegradable molded container of the present invention is provided.
The vessel is biodegradable by baking the slurry-like mix .
This is a molded article in which a layer made of a protein is formed on the surface of a container-shaped molded article having the following.
【０００７】蛋白質層が形成される容器状成形物として
は、でんぷんからなる成形物，蛋白質からなる成形物，
紙製品，及びパルプモールド等が挙げられるが、これら
に限られるものではない。上記容器状成形物は、スラリ
ー状ミックスを焼成することによって得られる。 [0007] Container-like molded articles on which a protein layer is formed include molded articles made of starch, molded articles made of protein,
Examples include paper products and pulp molds, but are not limited thereto. The above-mentioned container-shaped molded product is a slurry
-It is obtained by baking the mixture.
【０００８】上記蛋白質としては、カゼインまたはその
塩、大豆蛋白質、コラーゲン、卵白、グルテン、ゼイ
ン、乳蛋白、ゼラチン、又、酵母，大豆等の高濃度に蛋
白質を含む原料またはそれらの混合物などが挙げられる
が、これらに限定されるものではない。Examples of the above-mentioned protein include casein or a salt thereof, soy protein, collagen, egg white, gluten, zein, milk protein, gelatin, a raw material containing a protein at a high concentration such as yeast and soybean, or a mixture thereof. However, the present invention is not limited to these.
【０００９】上記蛋白質からなる層の形成方法として
は、例えば蛋白質からなるフィルムやシートを積層する
方法、蛋白質溶液を塗布または噴霧する方法、及び蛋白
質溶液に成形物を浸せきする方法等が挙げられる。[0009] Examples of the method of forming the protein layer include a method of laminating a protein film or sheet, a method of applying or spraying a protein solution, and a method of dipping a molded article in the protein solution.
【００１０】上記の蛋白質フィルム又はシートの成形時
において、必要に応じ可塑剤等の添加物を加えてもよ
い。At the time of forming the protein film or sheet, additives such as a plasticizer may be added as necessary.
【００１１】添加物としては、生分解性を有する必要が
あり、油脂やショ糖などの糖類、でんぷん，セルロース
等の多糖類、グリセリン等の多価アルコール、モノグリ
セライド等の脂肪酸エステル、アルギン酸塩、ガム類等
の天然高分子等、或いはそれらの混合物が挙げられる。Additives must be biodegradable, such as sugars such as fats and oils and sucrose; polysaccharides such as starch and cellulose; polyhydric alcohols such as glycerin; fatty acid esters such as monoglyceride; alginates; And the like, or a mixture thereof.
【００１２】フィルムまたはシートの作成方法は、通常
行なわれているキャスト法、圧縮ブレス法、押出成形法
などが挙げられるが、特に限定するものではなく、緻密
なフィルムを成形することのできる成形方法が望まし
い。The method for producing a film or sheet includes, but is not limited to, a usual casting method, compression breathing method, extrusion molding method, etc., but is not particularly limited, and is a molding method capable of molding a dense film. Is desirable.
【００１３】成形物にフィルムまたはシートを積層する
方法は、通常行なわれている圧縮ラミネーション法、co
-extrusion法等が例として挙げられるが、特に限定する
ものではない。A method of laminating a film or a sheet on a molded product includes a conventional compression lamination method,
Examples include the -extrusion method, but the method is not particularly limited.
【００１４】更に、上記の方法以外に、原料に含まれる
蛋白質が成形時に表面で層を形成する方法も可能であ
る。Further, in addition to the above-mentioned method, a method is also possible in which a protein contained in the raw material forms a layer on the surface during molding.
【００１５】形成された蛋白質層の厚みは、特に限定さ
れるものではないが、使用、取扱い、保管上の観点か
ら、１ｍｍ以下が好ましい。The thickness of the formed protein layer is not particularly limited, but is preferably 1 mm or less from the viewpoint of use, handling and storage.
【００１６】本発明の生分解成形容器は、上記のよう
に、スラリー状ミックスを焼成することにより得られる
容器状成形物の表面に蛋白質からなる層が形成されてい
る。従って、生分解性を損なうことなく、耐水性及び防
水性が向上し、水分を含む物質などの容器として使用し
ても長時間水もれが起こらないため、用途の範囲が広が
る。The biodegradable molded container of the present invention is obtained by firing a slurry-like mix as described above.
A layer made of a protein is formed on the surface of the container-like molded product . Accordingly, water resistance and waterproofness are improved without impairing biodegradability, and water leakage does not occur for a long time even when used as a container for a substance containing water, so that the range of applications is expanded.
【００１７】本成形容器の用途としては、一例として一
般食品用容器として広く活用できる。例えば、串カツ，
フランクフルト，チキンナゲット，たこ焼き，焼きそ
ば，お好み焼き，ホットドッグ，ハンバーガー，回転焼
き，豚饅，ピザ，ホットケーキ，フライドポテト等の食
品容器に使用でき、特に、長時間の保存に有効である。As an application of the molded container , for example, it can be widely used as a container for general food. For example, skewers
It can be used for food containers such as frankfurt, chicken nuggets, takoyaki, yakisoba, okonomiyaki, hot dogs, hamburgers, rotary roasting, pork buns, pizzas, hot cakes, french fries, etc., and is particularly effective for long-term storage.
【００１８】更に、水分の多い食品、例えばラーメン，
スープ，カレー等の食品においても広く利用が可能であ
る。Further, foods having a high moisture content, such as ramen,
It can be widely used in foods such as soups and curries.
【００１９】また、この成形容器は微生物によって分解
され、土中に埋めると、約２〜１０週間で分解される。The molded container is decomposed by microorganisms and, when buried in soil, decomposed in about 2 to 10 weeks.
【００２０】[0020]
【実施例】本発明の一実施例について説明すれば、以下
の通りであるが、本発明はこれに限られるものではな
い。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below, but the present invention is not limited to this.
【００２１】小麦粉１００部、でんぷん６５部、砂糖１
０部、油５部、乳化剤１部及びセルロース２０部を混合
したものに、水を適量加え、スラリー状ミックスを調整
した。このスラリー状ミックスを金型に入れ、１８０℃
で１２０秒焼成し、１０cm×２０cmの容器状成形物を得
た。100 parts of flour, 65 parts of starch, 1 sugar
To a mixture of 0 parts, 5 parts of oil, 1 part of emulsifier, and 20 parts of cellulose, an appropriate amount of water was added to prepare a slurry mix. This slurry-like mix is put in a mold,
For 120 seconds to obtain a container-shaped molded product of 10 cm × 20 cm.
【００２２】上記の容器状成形物の内側及び外側に、そ
れぞれ蛋白質シート（ソヤフィール：不二製油製）を配
置し、この蛋白質シートで挟まれた容器状成形物を金型
に入れ１３０℃〜１５０℃で圧着することにより、蛋白
質からなる層が表面に形成された成形容器を得た。A protein sheet (Soyafil: made by Fuji Oil Co., Ltd.) is placed inside and outside of the above-mentioned container-shaped molded product, and the container-shaped molded product sandwiched between the protein sheets is put in a mold at 130 ° C. to 150 ° C. By press bonding at a temperature of ° C., a molded container having a protein layer formed on the surface was obtained.
【００２３】得られた蛋白質層が形成された成形物及
び、比較として蛋白質層が形成されていない成形物それ
ぞれに、２０℃の水１００mlを入れ、経時的変化を観察
した。結果を以下の表１に示した。To each of the molded article having the protein layer formed thereon and the molded article having no protein layer formed thereon, 100 ml of water at 20 ° C. was added, and changes with time were observed. The results are shown in Table 1 below.
【００２４】[0024]
【表１】 [Table 1]
【００２５】[0025]
【発明の効果】本発明の生分解性成形容器は、以上のよ
うに、スラリー状ミックスを焼成して得られる生分解性
を有する容器状成形物の表面に、蛋白質からなる層が形
成されている構成である。As described above, the biodegradable molded container of the present invention is obtained by firing the slurry-like mixture.
And a layer made of a protein is formed on the surface of a container-like molded product having the following.
【００２６】また、上記生分解性成形容器は、スラリー
状ミックスを焼成して生分解性を有する容器状成形物を
得た後に、その表面に蛋白質からなる層を形成すること
により得られる。 [0026] The biodegradable molding container may be a slurry.
The mixture is fired to form a biodegradable container.
After obtaining, forming a layer of protein on the surface
Is obtained by
【００２７】それゆえ、生分解性を損なうことなく耐水
性及び防水性を有する成形物となり、水分を含む食品等
の容器としても用いることができるという効果を奏す
る。Therefore, the molded article has water resistance and waterproofness without impairing the biodegradability, and has an effect that it can be used as a container for food containing moisture.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ Ｃ０８Ｌ 89/00 Ｃ０８Ｌ 89/00 (72)発明者 田中 真二 大阪府茨木市西中条町10−８ (56)参考文献 特開 平３−180147（ＪＰ，Ａ) 特開 平２−312555（ＪＰ，Ａ) 特開 昭60−76336（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) A23L 1/00 B32B 9/00 C08J 5/00 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI C08L 89/00 C08L 89/00 (72) Inventor Shinji Tanaka 10-8 Nishinakajo-cho, Ibaraki-shi, Osaka (56) References JP-A-3-180147 (JP, A) JP-A-2-312555 (JP, A) JP-A-60-76336 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) A23L 1/00 B32B 9/00 C08J 5/00
Claims (2)
分解性を有する容器状成形物の表面に、蛋白質からなる
層が形成されていることを特徴とする生分解性成形容
器。1. A on the surface of the container-like molded product having biodegradability obtained by firing the slurry mix, biodegradable molded containers, wherein the layer consisting of the protein is formed
Bowl .
有する容器状成形物を得た後に、その表面に蛋白質から
なる層を形成することを特徴とする生分解性成形容器の
製造方法。2. A method for producing a biodegradable molded container , comprising firing a slurry-like mix to obtain a container-like molded product having biodegradability, and then forming a protein layer on the surface thereof .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28326992A JP3221933B2 (en) | 1992-10-21 | 1992-10-21 | Biodegradable molded container and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28326992A JP3221933B2 (en) | 1992-10-21 | 1992-10-21 | Biodegradable molded container and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06125718A JPH06125718A (en) | 1994-05-10 |
| JP3221933B2 true JP3221933B2 (en) | 2001-10-22 |
Family
ID=17663273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28326992A Expired - Fee Related JP3221933B2 (en) | 1992-10-21 | 1992-10-21 | Biodegradable molded container and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3221933B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997010293A1 (en) * | 1995-09-12 | 1997-03-20 | Fvp Formverpackung Gmbh | Process for producing mouldings with a barrier layer made of biodegradable material, and mouldings produced according to this process |
| JPH11189666A (en) * | 1997-12-26 | 1999-07-13 | Showa Sangyo Co Ltd | Method for imparting water resistance to polysaccharide molded article |
| JP3961421B2 (en) * | 2000-09-13 | 2007-08-22 | 日世株式会社 | Biodegradable molded product, method for producing the same, and foam molding composition |
| JP4121874B2 (en) | 2002-03-13 | 2008-07-23 | 日世株式会社 | Method for producing biodegradable molding and molding die used therefor |
| CN105440701B (en) * | 2016-01-21 | 2018-08-07 | 江南大学 | A kind of preparation method of edibility albumen nanometer film |
-
1992
- 1992-10-21 JP JP28326992A patent/JP3221933B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06125718A (en) | 1994-05-10 |
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