JPH01278323A - Odorless packaging material and method for producing sterile and odorless packaging material - Google Patents
Odorless packaging material and method for producing sterile and odorless packaging materialInfo
- Publication number
- JPH01278323A JPH01278323A JP63108879A JP10887988A JPH01278323A JP H01278323 A JPH01278323 A JP H01278323A JP 63108879 A JP63108879 A JP 63108879A JP 10887988 A JP10887988 A JP 10887988A JP H01278323 A JPH01278323 A JP H01278323A
- Authority
- JP
- Japan
- Prior art keywords
- packaging material
- resin
- odorless
- odor
- zeolite
- 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.)
- Pending
Links
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、食品等を包装するための包装材料の製造方法
に関し、特に、無臭の包装材料の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for manufacturing a packaging material for packaging foods, etc., and particularly to a method for manufacturing an odorless packaging material.
〈従来の技術〉
従来、食品包装用の包装材料として、熱可塑性樹脂から
なるフィルムが多く用いられている。このフィルムは、
通常、加熱溶融して押出し製膜により製造されている。<Prior Art> Conventionally, films made of thermoplastic resin have been widely used as packaging materials for food packaging. This film is
Usually, it is manufactured by heating and melting and extrusion film formation.
また、特に微生物の存在が好ましくないものを包装する
ための、無菌包材を得るための方法として、γ線照射に
よる滅菌技術がよく用いられている。In addition, sterilization technology using gamma ray irradiation is often used as a method for obtaining sterile packaging materials for packaging items in which the presence of microorganisms is particularly undesirable.
一方、包装された食品等から発生する臭気や、雰囲気の
臭気を吸収・吸着するための材料として、異臭成分吸着
能を有する、活性炭やゼオライト等の多孔質物質を添加
した、熱可塑性樹脂からなる材料が知られている。On the other hand, as a material for absorbing and adsorbing odors generated from packaged foods and other atmospheric odors, it is made of thermoplastic resin to which porous substances such as activated carbon and zeolite are added, which has the ability to adsorb off-odor components. The material is known.
〈発明が解決しようとする課題〉
前述した加熱押出し製膜により得られる包装材料は、樹
脂の種類によっては熱分解されて異臭を発する場合があ
る。特に樹脂がポリオレフィン系、中でもポリエチレン
の場合においては、異臭の発生が著しく、この包装材料
は、風味を重要視する食品等には用いることができなか
った。<Problems to be Solved by the Invention> The packaging material obtained by the above-mentioned hot extrusion film formation may be thermally decomposed and emit a strange odor depending on the type of resin. Particularly when the resin is polyolefin-based, especially polyethylene, a significant amount of off-odor is generated, and this packaging material could not be used for foods where flavor is important.
また、熱可望性樹脂層を含む積層体を、無菌化するため
に、γ線照射を施した場合には、やはり樹脂の種類によ
り、著しい異臭を発する場合があり、γ線照射による無
菌化手段も限られた樹脂にしか適要できなかった。Furthermore, if a laminate including a thermoplastic resin layer is irradiated with gamma rays to sterilize it, depending on the type of resin, a significant odor may be emitted. The means could only be applied to a limited number of resins.
さらに、前述した異臭成分吸着多孔質物質を混合した材
料であっても、上述のような異臭を発し易い樹脂を用い
、上述した方法により製造された包装材料乃至無菌包材
は、依然として異臭の発生が認められる。Furthermore, even if the material is mixed with the above-mentioned porous material that adsorbs off-flavor components, packaging materials or sterile packaging materials manufactured using the above-mentioned method using resins that easily emit off-odor components still emit off-odor. is recognized.
本発明は、上記問題点に鑑み、臭気を発し易い樹脂を用
いても、得られる包装材料は臭気を発しない、無臭包材
乃至無菌無臭包材の製造方法を提供するものである。In view of the above-mentioned problems, the present invention provides a method for producing odorless packaging materials or sterile odorless packaging materials, in which the resulting packaging material does not emit an odor even if a resin that easily emits an odor is used.
く課題を解決するための手段〉
すなわち本発明は、加熱溶融により分解して臭気を発す
る樹脂に、ゼオライトのイオン交換可能な金属の一部を
、銀、銅、亜鉛から選ばれる少な（とも一種の金属で置
換して得られる置換ゼオライトを混合し、加熱溶融後押
出し製膜することを特徴とする、無臭包材の製造方法で
ある。Means for Solving the Problems> In other words, the present invention adds a portion of the ion-exchangeable metal of zeolite to a resin that decomposes and emits an odor when heated and melted, and a small amount selected from silver, copper, and zinc. This is a method for producing an odorless packaging material, which is characterized by mixing substituted zeolite obtained by replacing with a metal, heating and melting it, and then extruding it to form a film.
また、γ線照射により分解して臭気を発する樹脂からな
る樹脂層と、シーラント層とが設けられた積層材料の、
少なくとも前記シーラント層に、ゼオライトのイオン交
換可能な金属の一部を、銀、銅、亜鉛から選ばれる少な
くとも一種の金属で置換して得られる置換ゼオライトを
混合し、γ線照射することを特徴とるす、無菌無臭包材
の製造方法である。In addition, a laminated material is provided with a resin layer made of a resin that decomposes when irradiated with gamma rays and emits an odor, and a sealant layer.
A substituted zeolite obtained by replacing a part of the ion-exchangeable metal of zeolite with at least one metal selected from silver, copper, and zinc is mixed into at least the sealant layer, and the mixture is irradiated with gamma rays. This is a method for producing sterile and odorless packaging materials.
〈作用〉
本発明で用いる置換ゼオライトは、接触する酸素を活性
化して、この活性酸素が、熱分解あるいはγ線照射によ
り樹脂から生じた異臭成分を分解し、得られる包材を無
臭化する。<Function> The substituted zeolite used in the present invention activates the oxygen it comes into contact with, and this active oxygen decomposes off-flavor components generated from the resin by thermal decomposition or γ-ray irradiation, making the resulting packaging material odorless.
〈実施例〉
本発明で用いる置換ゼオライトは、ゼオライトのイオン
交換可能な金属の一部、実質的には全部を、銀、銅、亜
鉛から選ばれる少なくとも一種の金属で置換して得られ
るものであり、特開昭６０−１００５０４号公報、特開
昭６０−１８１００２号公報等に示されるものが使用可
能である。<Example> The substituted zeolite used in the present invention is obtained by replacing a part, substantially all, of the ion-exchangeable metal in the zeolite with at least one metal selected from silver, copper, and zinc. JP-A-60-100504, JP-A-60-181002, etc. can be used.
上記置換ゼオライトを用いた本発明の無臭包材の製造方
法は、熱分解により異臭を発する樹脂に、前記置換ゼオ
ライトを１〜１０重量％程度混合し、加熱溶融後押出し
て製膜するものである。The method for producing an odorless packaging material of the present invention using the above-mentioned substituted zeolite is to mix about 1 to 10% by weight of the above-mentioned substituted zeolite into a resin that emits an off-odor when thermally decomposed, and to form a film by heating and melting the mixture and then extruding it. .
使用される樹脂は、加熱により異臭を発生し易い樹脂で
あるが、ポリオレフィン系樹脂、特にポリエチレン系樹
脂の場合に本発明の効果は著しい。Although the resin used is a resin that tends to generate off-odor when heated, the effect of the present invention is remarkable in the case of polyolefin resins, especially polyethylene resins.
上述した置換ゼオライト混合樹脂の製膜は、他の樹脂と
の共押出しによるものでもよく、あるいは他の基材上へ
の押出しラミネーションであってもよいが、いずれにし
ても前記置換ゼオライトが最外面に露出する状態に設け
る必要がある。The above-mentioned substituted zeolite mixed resin may be formed by coextrusion with other resins or by extrusion lamination onto another base material, but in any case, the substituted zeolite may be formed on the outermost surface. It must be installed in a position where it is exposed to the
また、前記置換ゼオライトを用いた本発明の無菌無臭包
材の製造方法は、γ線照射により分解して異臭を発生し
易い樹脂からなる樹脂層と、シーラント層とが設けられ
た積層材料の、前記シーラント層に置換ゼオライトを予
め混合しておき、γ線照射するものである。Further, the method for producing a sterile and odorless packaging material of the present invention using the substituted zeolite includes a laminated material provided with a resin layer made of a resin that is easily decomposed by γ-ray irradiation and generates an off-odor, and a sealant layer. Substituted zeolite is mixed in the sealant layer in advance and γ-ray irradiation is performed.
樹脂層の樹脂としては、γ線照射により異臭を発する樹
脂であり、具体的にはポリオレフィン系樹脂、ポリスチ
レン、ポリエステル系樹脂等である。The resin for the resin layer is a resin that emits a strange odor when irradiated with gamma rays, and specifically includes polyolefin resin, polystyrene, polyester resin, and the like.
また、シーラント層の樹脂は、得られた包装材料同士、
または他の材料へのシールを可能とするものであり、ポ
リオレフィン系樹脂が一般的である。In addition, the resin of the sealant layer can be used between the obtained packaging materials,
It also enables sealing to other materials, and polyolefin resins are common.
前記した樹脂層と上記シーラント層は、同一の層である
場合もあり得る。すなわち、シーラント層がγ線照射に
より異臭を発する場合、シーラント層は樹脂層でもある
。The resin layer described above and the sealant layer may be the same layer. That is, if the sealant layer emits an unpleasant odor due to γ-ray irradiation, the sealant layer is also a resin layer.
〈試験例〉
線状低密度ポリエチレン（Ｌ−ＬＤＰＥ）樹脂に、銀系
置換ゼオライトを３．０重量％混合し、加熱溶融して厚
さ５０μｍに押出し製膜して、本発明による無臭包材を
得た。この無臭包材を、二液硬化型ウレタン系接着剤を
介して、塩化ビニリデンコートポリアミドフィルム（Ｋ
ＯＮｙ、東洋紡Ｎ８１００ＡＥ、 １１５）と積層して
、試験例１を得た。比較例１として、試験例１の置換ゼ
オライトを含まないものを作成した。<Test Example> 3.0% by weight of silver-based substituted zeolite was mixed with linear low-density polyethylene (L-LDPE) resin, heated and melted, and extruded to a thickness of 50 μm to form an odorless packaging material according to the present invention. I got it. This odorless packaging material was bonded to a vinylidene chloride coated polyamide film (K
ONy, Toyobo N8100AE, 115) were laminated to obtain Test Example 1. As Comparative Example 1, one that did not contain the substituted zeolite of Test Example 1 was created.
また、比較例２として、試験例１の置換ゼオライトの代
わりに、異臭成分吸着能を有する合成ゼオライト（東洋
曹達、ゼオラムＡ−５）を用いたものを作成した。Furthermore, as Comparative Example 2, a synthetic zeolite (Toyo Soda, Zeolum A-5) having an ability to adsorb off-odor components was used in place of the substituted zeolite of Test Example 1.
上記積層材料を袋状に形成し、市販ミネラルウォーター
を充填、密封し、４０℃の恒温にて１週間保存し、ミネ
ラルウォーターの臭気を官能試験した。結果を表１に示
す。The laminated material was formed into a bag, filled with commercially available mineral water, sealed, stored at a constant temperature of 40° C. for one week, and subjected to a sensory test for the odor of the mineral water. The results are shown in Table 1.
表１
次に、上記積層材料に、所定量のＴ線を照射して、本発
明による無菌無臭包材（試験例２）および比較例３、比
較例４を得た。Table 1 Next, the laminated material was irradiated with a predetermined amount of T-rays to obtain a sterile and odorless packaging material according to the present invention (Test Example 2), Comparative Examples 3 and 4.
上記積層材料を、前述同様にミネラルウォーターを充填
し、同様の評価を行なった。結果を表２に示す。The above laminated material was filled with mineral water in the same manner as described above, and the same evaluation was performed. The results are shown in Table 2.
表２
〈発明の効果〉
以上述べたように、本発明によれば、加熱により異臭を
発生し易い樹脂を用いても、発生した臭気が置換ゼオラ
イトの作用により分解されるので、結果として無臭の包
材が得られる。Table 2 <Effects of the Invention> As described above, according to the present invention, even if a resin that easily generates an odor when heated is used, the generated odor is decomposed by the action of the substituted zeolite, resulting in an odorless resin. Packaging material is obtained.
また、Ｔ線照射により異臭を発生し易い樹脂を用いても
、上述と同様に無臭化され、結果として無臭の無菌包材
が得られる。Furthermore, even if a resin that is likely to generate an off-odor when irradiated with T-rays is used, it will be made odorless in the same manner as described above, and as a result, an odorless and sterile packaging material will be obtained.
特 許 出 願 人 凸版印刷株式会社 代表者 鈴木和夫Patent applicant Toppan Printing Co., Ltd. Representative: Kazuo Suzuki
Claims (2)
オライトのイオン交換可能な金属の一部を、銀、銅、亜
鉛から選ばれる少なくとも一種の金属で置換して得られ
る置換ゼオライトを混合し、加熱溶融後押出し製膜する
ことを特徴とする、無臭包材の製造方法。(1) A substituted zeolite obtained by replacing a portion of the ion-exchangeable metal in the zeolite with at least one metal selected from silver, copper, and zinc is mixed with a resin that decomposes and emits an odor when heated and melted. A method for producing an odorless packaging material, which comprises heating and melting the material and then extruding it into a film.
る樹脂層と、シーラント層とが設けられた積層材料の、
少なくとも前記シーラント層に、ゼオライトのイオン交
換可能な金属の一部を、銀、銅、亜鉛から選ばれる少な
くとも一種の金属で置換して得られる置換ゼオライトを
混合し、γ線照射することを特徴とする、無菌無臭包材
の製造方法。(2) A laminated material provided with a resin layer made of a resin that decomposes and emits an odor when irradiated with gamma rays, and a sealant layer.
A substituted zeolite obtained by replacing a part of the ion-exchangeable metal of zeolite with at least one metal selected from silver, copper, and zinc is mixed into at least the sealant layer, and the mixture is irradiated with gamma rays. A method for producing sterile and odorless packaging material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63108879A JPH01278323A (en) | 1988-04-30 | 1988-04-30 | Odorless packaging material and method for producing sterile and odorless packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63108879A JPH01278323A (en) | 1988-04-30 | 1988-04-30 | Odorless packaging material and method for producing sterile and odorless packaging material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01278323A true JPH01278323A (en) | 1989-11-08 |
Family
ID=14495902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63108879A Pending JPH01278323A (en) | 1988-04-30 | 1988-04-30 | Odorless packaging material and method for producing sterile and odorless packaging material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01278323A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05507759A (en) * | 1991-01-22 | 1993-11-04 | ボレアリス、ホールディング、アクティーゼルスカブ | Method for removing odor/taste-producing substances in plastic materials |
| JP2010059295A (en) * | 2008-09-03 | 2010-03-18 | Tokyo Printing Ink Mfg Co Ltd | Resin composition for radiation sterilization, and molded article |
| JP2018103386A (en) * | 2016-12-22 | 2018-07-05 | 大日本印刷株式会社 | Laminate having odor adsorptivity and packaging bag using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63317538A (en) * | 1987-06-19 | 1988-12-26 | Chugoku Pearl Hanbai Kk | Aseptic polymer foam and production thereof |
-
1988
- 1988-04-30 JP JP63108879A patent/JPH01278323A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63317538A (en) * | 1987-06-19 | 1988-12-26 | Chugoku Pearl Hanbai Kk | Aseptic polymer foam and production thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05507759A (en) * | 1991-01-22 | 1993-11-04 | ボレアリス、ホールディング、アクティーゼルスカブ | Method for removing odor/taste-producing substances in plastic materials |
| JP2010059295A (en) * | 2008-09-03 | 2010-03-18 | Tokyo Printing Ink Mfg Co Ltd | Resin composition for radiation sterilization, and molded article |
| JP2018103386A (en) * | 2016-12-22 | 2018-07-05 | 大日本印刷株式会社 | Laminate having odor adsorptivity and packaging bag using the same |
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