JP2019081862A - Antibacterial film and package therewith - Google Patents
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Abstract
【課題】抗菌包材として、プラスチック樹脂に各種抗菌成分を練り混んでフィルムに成形したものや、フィルムの表面に抗菌成分を塗布したものがあるが、使用する抗菌成分が不揮発性の成分である場合、包材と食品等の接触する部分にしか抗菌効果が無く、特に内容物が固形分の場合は内容物全体に抗菌作用が及ばないという欠点があった。そこで、成形後も抗菌効果を十分維持でき、樹脂の種類を限定することや工程数を増加させることなく、易引裂性も同時に付与できる抗菌フィルム及び包装体を提供することを課題とする。【解決手段】少なくとも抗菌成分含有層を含む１層以上からなるフィルムであって、前記抗菌成分含有層は包装時に最内層であり、且つ揮発性抗菌剤を担持させた担持体を含有し、さらに前記フィルムの引裂強度が３Ｎ以下であることを特徴とする抗菌フィルム。【選択図】図１PROBLEM TO BE SOLVED: To provide an antibacterial packaging material obtained by kneading various antibacterial components into a plastic resin and molding it into a film, or applying an antibacterial component to the surface of the film, but the antibacterial component used is a non-volatile component. In this case, there is a drawback that the antibacterial effect is exerted only on the portion where the packaging material and the food or the like come into contact with each other, and particularly when the content is a solid content, the antibacterial effect does not reach the entire content. Therefore, it is an object of the present invention to provide an antibacterial film and a package that can sufficiently maintain the antibacterial effect even after molding and can simultaneously impart easy tearability without limiting the type of resin or increasing the number of steps. SOLUTION: The film is composed of at least one layer including an antibacterial component-containing layer, and the antibacterial component-containing layer is the innermost layer at the time of packaging and contains a carrier carrying a volatile antibacterial agent. An antibacterial film characterized in that the tear strength of the film is 3N or less. [Selection diagram] Fig. 1
Description
本発明は、抗菌性と易引裂性を併せ持つ包装用フィルム及びこれを用いた包装体に関する。 The present invention relates to a packaging film having both antibacterial properties and tearability and a package using the same.
従前から、食品等に使用される抗菌包材として、プラスチック樹脂に各種抗菌成分を練り混んでフィルムに成形したものや、フィルムの表面に抗菌成分を塗布したものがあるが、使用する抗菌成分が不揮発性の成分である場合、包材と食品等の接触する部分にしか抗菌効果が無く、特に内容物が固形分の場合は内容物全体に抗菌作用が及ばないという欠点があった。 From the past, examples of antimicrobial packaging materials used for food and the like include those obtained by mixing various antimicrobial components in a plastic resin and forming them into a film, and those coated with an antimicrobial component on the surface of the film. In the case of a non-volatile component, there is a disadvantage that only the contacting portion of the packaging material and the food has an antibacterial effect, and in particular, when the content is solid, the antibacterial effect can not be applied to the entire content.
それに対し、揮発性の抗菌成分であるアリルイソチオシアネートを使用した抗菌包材が提案されているが（特許文献１）、包材と食品が非接触でも抗菌効果を期待できる一方、揮発性であるがゆえに、樹脂に揮発性の抗菌成分を直接練り混んでフィルムを成形するため、成形温度等の熱で抗菌成分が揮散して、抗菌効果が低下する欠点があった。また、本成分はその特有のにおいのために保存すべき食品の風味を害するという欠点もある。そのため、食品の風味を害さずに十分な空間殺菌効果を持つ包材が望まれている。 On the other hand, although the antibacterial packaging material using allyl isothiocyanate which is a volatile antibacterial component is proposed (patent document 1), although an antibacterial effect can be expected even if a packing material and a food do not contact, it is volatile. Therefore, since a volatile antibacterial component is directly kneaded and mixed with a resin to form a film, there is a drawback that the antibacterial component is volatilized by heat such as molding temperature and the antibacterial effect is reduced. It also has the disadvantage of impairing the flavor of the food to be stored due to its characteristic odor. Therefore, a packaging material having a sufficient space sterilization effect without harming the taste of food is desired.
また、年々食品包装に簡便さが求められており、その機能の一つとして、はさみ等の道具を使わずに開封できることを示す易引裂性がある。易引裂性を持たせる方法としては、例えばミシン目を設ける方法、開封部のフィルム厚を薄くする方法、複数の樹脂をブレンドする方法が行われているが、工程が増え生産効率が下がる、または、使用する樹脂が限定されるといった問題があった。 Moreover, convenience is required for food packaging year after year, and one of its functions is easiness of tearing that it can be opened without using tools such as scissors. As a method of imparting easy tearability, for example, a method of providing perforations, a method of reducing the film thickness of the unsealing part, and a method of blending a plurality of resins are performed. There was a problem that the resin to be used was limited.
そこで本発明では、成形後も抗菌効果を十分維持でき、樹脂の種類を限定することや工程数を増加させることなく、さらに易引裂性も同時に付与できる空間抗菌包装材となる抗菌フィルム及び包装体を提供することを課題とする。 Therefore, in the present invention, an antimicrobial film and a package which can maintain the antimicrobial effect even after molding and which can be easily provided with tearability simultaneously without limiting the type of resin and increasing the number of steps. The challenge is to provide
上記課題を解決するために、本発明の抗菌フィルムは、
少なくとも抗菌成分含有層を含む１層以上からなるフィルムであって、前記抗菌成分含有層は包装時に最内層であり、且つ揮発性抗菌剤を担持させた担持体を含有し、前記フィルムの引裂強度が３Ｎ以下であることを特徴とする抗菌フィルムである。
In order to solve the above-mentioned subject, the antibacterial film of the present invention is
A film comprising one or more layers containing at least an antibacterial component-containing layer, wherein the antibacterial component-containing layer is the innermost layer at the time of packaging, and contains a carrier carrying a volatile antibacterial agent, and the tear strength of the film Is 3 N or less.
また、本発明の抗菌フィルムは、
前記揮発性抗菌剤が、オイゲノール、シトラール、シンナムアルデヒド、２−ノナノール、１−ヘキサナール、ｔｒａｎｓ−２−ヘキセナールおよびこれらの誘導体からなる群より選択される１種以上であることが好ましい。
Moreover, the antimicrobial film of the present invention is
The volatile antibacterial agent is preferably at least one selected from the group consisting of eugenol, citral, cinnamaldehyde, 2-nonanol, 1-hexanal, trans-2-hexenal and derivatives thereof.
また、本発明の抗菌フィルムは、
前記担持体の算術平均粒径が０．１μｍ以上３０μｍ以下であることが好ましい。
Moreover, the antimicrobial film of the present invention is
It is preferable that the arithmetic mean particle diameter of the said support body is 0.1 micrometer or more and 30 micrometers or less.
また、本発明の抗菌フィルムは、
前記抗菌成分含有層に含まれる担持体の含有量が、１重量パーセント以上１０重量パーセント以下の範囲であることが好ましい。
Moreover, the antimicrobial film of the present invention is
The content of the support contained in the antibacterial component-containing layer is preferably in the range of 1 weight percent to 10 weight percent.
また、本発明の包装体は、前記抗菌フィルムを用いて成る包装体である。 Moreover, the package of this invention is a package formed using the said antibacterial film.
本発明によると、フィルムの抗菌成分含有層において揮発性抗菌剤を担持させた担持体を樹脂に混合し成形することで、フィルム成形時の熱による抗菌成分の揮発を抑制し、成形後も良好な抗菌効果を発揮できるとともに、優れた易引裂性も得ることができる。 According to the present invention, the carrier on which the volatile antibacterial agent is carried in the antibacterial component-containing layer of the film is mixed with resin and molded, thereby suppressing the volatilization of the antibacterial component due to heat at the time of film molding, and good even after molding It is possible to exert an excellent antibacterial effect and also to obtain excellent easy tearability.
以下、本発明の実施形態について説明する。なお、本発明の実施形態は、本発明の技術的思想を具体化するための構成を例示するものであって、下記のものに特定するものでない。本発明の技術的思想は、特許請求の範囲に記載された請求項が規定する技術的範囲内において、種々の変更を加えることができる。 Hereinafter, embodiments of the present invention will be described. Note that the embodiment of the present invention exemplifies a configuration for embodying the technical idea of the present invention, and is not specified as follows. The technical idea of the present invention can be variously modified within the technical scope defined by the claims described in the claims.
まず図１を用いて説明する。
図１において、抗菌フィルム１０は抗菌成分含有層３から成り、抗菌成分含有層３は、バインダーとなる樹脂フィルム１の中に抗菌成分を含有する担持体２が混合されている。
また図示しないが、本発明において、基材フィルムにこの抗菌フィルム１０を貼り合せて包装体としてもよい。またさらに印刷層やバリア層などの機能層を積層した包装体としてもよい。
First, it will be described with reference to FIG.
In FIG. 1, the antimicrobial film 10 is composed of an antimicrobial component-containing layer 3, and the antimicrobial component-containing layer 3 is a resin film 1 as a binder in which a carrier 2 containing an antimicrobial component is mixed.
Although not shown, in the present invention, the antibacterial film 10 may be bonded to a base film to form a package. Furthermore, a package in which functional layers such as a print layer and a barrier layer are laminated may be used.
抗菌成分含有層３は、少なくとも揮発性抗菌剤を担持させた担持体２と樹脂１を含む。前記樹脂１には、例えばポリエチレン、ポリエチレンテレフタレート、ポリエチレンナフタレート、ポリプロピレン、ポリスチレン、ナイロン等が挙げられる。 The antimicrobial component-containing layer 3 contains at least a carrier 2 carrying a volatile antimicrobial agent and a resin 1. Examples of the resin 1 include polyethylene, polyethylene terephthalate, polyethylene naphthalate, polypropylene, polystyrene, nylon and the like.
抗菌成分含有層３に使用される揮発性抗菌剤としては、揮発性の抗菌成分なら種々のものを使用することができる。中でも、オイゲノール、シトラール、シンナムアルデヒド、２−ノナノール、１−ヘキサナール、ｔｒａｎｓ−２−ヘキセナールを用いることで、より高い抗菌効果を得ることが出来る。 As the volatile antibacterial agent used for the antibacterial component-containing layer 3, various volatile antibacterial components can be used. Above all, a higher antibacterial effect can be obtained by using eugenol, citral, cinnamaldehyde, 2-nonanol, 1-hexanal, trans-2-hexenal.
また抗菌成分含有層３には、上記揮発性抗菌剤に加えて、抗菌性を持たない香料成分を含んでいてもよい。香料成分を複合することによって、包装対象の食品と類似の香りに調整することで、食品の風味への影響の少ない抗菌包材とすることが出来る。 The antibacterial component-containing layer 3 may contain, in addition to the volatile antibacterial agent, a fragrance component having no antibacterial property. By combining the flavor components with each other to adjust the flavor similar to that of the food to be packaged, it is possible to provide an antimicrobial packaging material having little influence on the flavor of the food.
抗菌成分含有層３に使用される担持体２としては、揮発性抗菌剤を担持できるものであれば種々のものを使用することができる。例えば、活性炭、珪酸アルミニウム、シリカ、セラミックス、ゼオライト、デキストリン、パーライト等が挙げられる。
担持体は上記のように抗菌剤を吸着して固定させる土台となりうる物質であればよく、担持体それ自体は、抗菌剤の効力を阻害しないものが望ましい。
As the carrier 2 used for the antibacterial component-containing layer 3, various carriers can be used as long as they can carry a volatile antibacterial agent. For example, activated carbon, aluminum silicate, silica, ceramics, zeolite, dextrin, perlite and the like can be mentioned.
The carrier may be any substance that can be a base for adsorbing and immobilizing the antibacterial agent as described above, and it is desirable that the carrier itself does not inhibit the efficacy of the antibacterial agent.
また前記担持体２の粒径は０．１μｍ以上３０μｍ以下であるとよい。０．１μｍ未満だと、粉舞により良好な作業性が得られない。一方、３０μｍより大きいと樹脂に混合し製膜した際に膜割れ等により良好な膜を得ることができない。なおここで担持体の粒径と
は、レーザー回折・散乱法に基づく測定を行い、算術平均粒径として求めたものである。
The particle diameter of the carrier 2 is preferably 0.1 μm to 30 μm. If it is less than 0.1 μm, good workability can not be obtained due to dusting. On the other hand, if the thickness is larger than 30 μm, a film can not be obtained due to film cracking or the like when mixed with resin to form a film. Here, the particle size of the support is a value determined as an arithmetic average particle size by performing measurement based on a laser diffraction / scattering method.
抗菌成分含有層３に含まれる担持体２の含有量は、１重量パーセント以上１０重量パーセント以下であるとよい。１重量パーセントより少ないと、抗菌効果が得られず、良好な引裂性も得ることができない。一方、１０重量パーセントより多いと、樹脂に混合し製膜した際に、膜割れ等により良好な膜を得ることができない。ここでいう引裂性はＪＩＳ Ｋ７１２８ エルメンドルフ法により定義されるものとしている。 The content of the support 2 contained in the antibacterial component-containing layer 3 may be 1 weight percent or more and 10 weight percent or less. If it is less than 1% by weight, no antibacterial effect can be obtained and no good tearability can be obtained. On the other hand, if the amount is more than 10% by weight, a good film can not be obtained due to film cracking or the like when mixed with a resin to form a film. Tearability here is defined by JIS K 7128 Elmendorf method.
また、本発明における抗菌フィルム１０は、包装時最内層に抗菌成分含有層３が存在すればよく、一層でも二層以上でもよい。
一層の場合、揮発性抗菌剤を担持した担持体２を抗菌成分含有層３に含有させる方法としては、主に練り込み法を用いる。練り込み法とは、樹脂と前記担持体を混合し、溶解押出製膜することにより前記担持体をフィルム中に分散させる方法である。
二層以上の場合は、基材フィルム上に抗菌成分含有層を前述の練り込み法にて成形するか、塗工法にて成形することができる。塗工法とは、バインダー樹脂、揮発性抗菌剤を含む担持体、溶剤から成る塗工液を、基材フィルムに塗工し、抗菌成分含有層を成形する方法である。
本発明においては、どちらの方法を使用しても構わないが、食品包材としてパウチ化することを考えると、抗菌成分含有層をそのままヒートシール層として用いることができる練り込み法による押出製膜がより好ましい。
Moreover, the antimicrobial film 10 in the present invention may have one or two or more layers as long as the antimicrobial component-containing layer 3 is present in the innermost layer at the time of packaging.
In the case of one layer, as a method of incorporating the carrier 2 carrying the volatile antibacterial agent in the antibacterial component-containing layer 3, a kneading method is mainly used. The kneading method is a method in which the resin and the support are mixed, and the support is dispersed in a film by melt extrusion.
In the case of two or more layers, the antimicrobial component-containing layer can be formed on the substrate film by the above-mentioned kneading method or by the coating method. The coating method is a method of applying a coating liquid comprising a binder resin, a carrier containing a volatile antibacterial agent, and a solvent to a base film to form an antibacterial component-containing layer.
In the present invention, whichever method may be used, but in consideration of forming a pouch as a food packaging material, an extrusion film formation by a kneading method in which the antibacterial component-containing layer can be used as a heat seal layer as it is Is more preferred.
また、二層以上の場合に用いられる基材フィルムは、機械的強度、耐熱性等に優れるものが好ましい。例えば、ポリエチレン、ポリエチレンテレフタレート、ポリエチレンナフタレート、ポリプロピレン、ナイロン等からなる合成樹脂フィルムが挙げられる。これらは単独で使用してもよく、複数を積層して使用してもよい。また、加工性やハンドリング性を考慮すると、基材フィルムの厚みは１０μｍ以上５０μｍ以下であることが好ましい。 Moreover, as for the base film used in the case of two or more layers, what is excellent in mechanical strength, heat resistance, etc. is preferable. Examples thereof include synthetic resin films made of polyethylene, polyethylene terephthalate, polyethylene naphthalate, polypropylene, nylon and the like. These may be used alone or may be used by laminating a plurality. Further, in consideration of processability and handleability, the thickness of the substrate film is preferably 10 μm or more and 50 μm or less.
以下、本発明の具体的な実施例を説明する。ただし、本発明はこれらの実施例によって制限されるものではない。 Hereinafter, specific examples of the present invention will be described. However, the present invention is not limited by these examples.
＜実施例１＞
平均粒径５μｍの担持体１．５重量部にオイゲノール３．０重量部を担持させ、抗菌性担持体を作製した。作製した抗菌性担持体をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 1
3.0 parts by weight of eugenol was supported on 1.5 parts by weight of a carrier having an average particle diameter of 5 μm to prepare an antibacterial carrier. The produced antimicrobial carrier was mixed with 100 parts by weight of polyethylene resin powder, and a film of 30 μm in thickness was produced by melt extrusion.
＜実施例２＞
平均粒径５μｍの担持体１．５重量部にシトラール３．０重量部を担持させ、抗菌性担持体を作製した。作製した抗菌性担持体をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 2
3.0 parts by weight of citral was supported on 1.5 parts by weight of a carrier having an average particle diameter of 5 μm to prepare an antibacterial carrier. The produced antimicrobial carrier was mixed with 100 parts by weight of polyethylene resin powder, and a film of 30 μm in thickness was produced by melt extrusion.
＜実施例３＞
平均粒径５μｍの担持体１．５重量部にシンナムアルデヒド３．０重量部を担持させ、抗菌性担持体を作製した。作製した抗菌性担持体をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 3
3.0 parts by weight of cinnamaldehyde was supported on 1.5 parts by weight of a carrier having an average particle diameter of 5 μm to prepare an antibacterial carrier. The produced antimicrobial carrier was mixed with 100 parts by weight of polyethylene resin powder, and a film of 30 μm in thickness was produced by melt extrusion.
＜実施例４＞
平均粒径５μｍの担持体１．５重量部に２−ノナノール３．０重量部を担持させ、抗菌性担持体を作製した。作製した抗菌性担持体をポリエチレン樹脂粉末１００重量部と混合
し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 4
3.0 parts by weight of 2-nonanol was supported on 1.5 parts by weight of a carrier having an average particle diameter of 5 μm to prepare an antibacterial carrier. The produced antimicrobial carrier was mixed with 100 parts by weight of polyethylene resin powder, and a film of 30 μm in thickness was produced by melt extrusion.
＜実施例５＞
平均粒径５μｍの担持体１．５重量部に１−ヘキサナール３．０重量部を担持させ、抗菌性担持体を作製した。作製した抗菌性担持体をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 5
By supporting 1.5 parts by weight of a carrier having an average particle diameter of 5 μm on 3.0 parts by weight of 1-hexanal, an antibacterial carrier was produced. The produced antimicrobial carrier was mixed with 100 parts by weight of polyethylene resin powder, and a film of 30 μm in thickness was produced by melt extrusion.
＜実施例６＞
平均粒径５μｍの担持体１．５重量部にｔｒａｎｓ−２−ヘキセナール３．０重量部を担持させ、抗菌性担持体を作製した。作製した抗菌性担持体をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 6
By supporting 1.5 parts by weight of a carrier having an average particle diameter of 5 μm on an amount of 3.0 parts by weight of trans-2-hexenal, an antibacterial carrier was produced. The produced antimicrobial carrier was mixed with 100 parts by weight of polyethylene resin powder, and a film of 30 μm in thickness was produced by melt extrusion.
＜実施例７＞
平均粒径５μｍの担持体０．５重量部にｔｒａｎｓ−２−ヘキセナール１．０重量部を担持させ、抗菌性担持体を作製した。作製した担持体１重量部をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 7
1.0 part by weight of trans-2-hexenal was supported on 0.5 parts by weight of a carrier having an average particle diameter of 5 μm to prepare an antibacterial carrier. One part by weight of the produced carrier was mixed with 100 parts by weight of a polyethylene resin powder, and a 30 μm thick film was produced by melt extrusion.
＜実施例８＞
平均粒径５μｍの担持体３重量部にｔｒａｎｓ−２−ヘキセナール６重量部を担持させ、抗菌性担持体を作製した。作製した担持体１重量部をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 8
6 parts by weight of trans-2-hexenal was supported on 3 parts by weight of a carrier having an average particle diameter of 5 μm to prepare an antibacterial carrier. One part by weight of the produced carrier was mixed with 100 parts by weight of a polyethylene resin powder, and a 30 μm thick film was produced by melt extrusion.
＜実施例９＞
平均粒径３０μｍの担持体１．５重量部にｔｒａｎｓ−２−ヘキセナール３重量部を担持させ、抗菌性担持体を作製した。作製した担持体１重量部をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Example 9
3 parts by weight of trans-2-hexenal was supported on 1.5 parts by weight of a carrier having an average particle diameter of 30 μm to prepare an antibacterial carrier. One part by weight of the produced carrier was mixed with 100 parts by weight of a polyethylene resin powder, and a 30 μm thick film was produced by melt extrusion.
＜比較例１＞
ポリエチレン樹脂粉末を溶解押出製膜により３０μｍ厚のフィルムを作製した。
Comparative Example 1
A polyethylene resin powder was dissolved and extruded to form a 30 μm thick film.
＜比較例２＞
平均粒径５μｍの担持体単体４．５重量部をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製した。
Comparative Example 2
4.5 parts by weight of a single carrier having an average particle diameter of 5 μm was mixed with 100 parts by weight of polyethylene resin powder, and a film of 30 μm thickness was produced by melt extrusion.
＜比較例３＞
平均粒径５０μｍの担持体単体４．５重量部をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製しようとしたところ、製膜できなかった。
Comparative Example 3
When an attempt was made to prepare a 30 μm thick film by melt extrusion film formation by mixing 4.5 parts by weight of a single carrier having an average particle diameter of 50 μm with 100 parts by weight of polyethylene resin powder, no film could be formed.
＜比較例４＞
平均粒径５μｍの担持体単体２０重量部をポリエチレン樹脂粉末１００重量部と混合し、溶解押出製膜により３０μｍ厚のフィルムを作製しようとしたところ、製膜できなかった。
Comparative Example 4
When 20 parts by weight of a single carrier having an average particle diameter of 5 μm was mixed with 100 parts by weight of polyethylene resin powder and a film of 30 μm in thickness was produced by melt extrusion film formation, no film could be formed.
＜抗菌性＞
抗菌性評価は、黒麹カビを用いて評価した。作製した抗菌消臭フィルムサンプルで１０ｃｍ角のパウチを作製した。これに菌液を塗布したＰＤＡ培地を入れ、２５℃で培養した後のカビの生育状態を確認した。保管して３日後に観察したところ、カビの生育が抑制されていたものを○、されないものを×とした。
<Antibacterial property>
The antimicrobial evaluation was evaluated using Aspergillus niger. A 10 cm square pouch was produced from the produced antibacterial deodorant film sample. The PDA culture medium which applied the microbe liquid to this was put, and the growth condition of the mold | fungi after culture | cultivation at 25 degreeC was confirmed. When observation was made three days after storage, those in which the growth of mold was suppressed were marked as ○, and those in which the growth was not regarded as x.
＜引裂性＞
引裂性はＪＩＳ Ｋ７１２８ エルメンドルフ法により引裂強度を算出し、同時に行った１０人のパネラーによる官能評価に基づき、引裂強度が３Ｎ以下を○、３Ｎを超えたものを×とした。
以上の評価を表１にまとめた。
<Tearability>
Tearability calculated tear strength according to JIS K 7128 Elmendorf method, and based on the sensory evaluation by 10 panelists who carried out simultaneously, tear strength of 3N or less was regarded as ○ and those exceeding 3N were ×.
The above evaluations are summarized in Table 1.
表１の結果から、実施例１〜９の評価は、いずれも抗菌性、引裂性とも良好であった。
一方、担持体が無く抗菌剤も入っていない比較例１は、抗菌性・引裂性とも悪かった。また担持体はあるが抗菌剤を入れなかった比較例２は、引裂性は良かったが抗菌性は悪かった。そして抗菌剤を入れず、担持体の平均粒径を５０μｍと大きくした比較例３と、担持体の量を２０重量部と多くした比較例４は、どちらもフィルムとして製膜ができず評価ができない結果となった。
これらの事から、抗菌剤を担持する担持体をフィルム中に含有させた本発明のフィルムは、優れた抗菌性と引裂性が得られることがわかった。
From the results of Table 1, the evaluations of Examples 1 to 9 were all good in both the antimicrobial property and the tearability.
On the other hand, Comparative Example 1 in which there was no carrier and no antibacterial agent was contained, both the antibacterial property and the tearability were poor. In addition, Comparative Example 2 in which the carrier was present but no antibacterial agent was added, the tearability was good but the antibacterial property was bad. In Comparative Example 3 in which the average particle diameter of the carrier was increased to 50 μm, and in Comparative Example 4 in which the amount of carrier was increased to 20 parts by weight, neither film could be formed as a film and evaluation was made The result was impossible.
From these facts, it was found that the film of the present invention in which the carrier carrying the antibacterial agent is contained in the film can obtain excellent antibacterial property and tearability.
本発明の抗菌フィルムは、食品用のみならず医薬品、衣料品あるいは日用品等において抗菌性および易引裂性が有用な物品の包装材として好適に用いることができる。 The antimicrobial film of the present invention can be suitably used as a packaging material for articles useful for antimicrobials and tearability, not only for food but also for pharmaceuticals, clothing, daily goods and the like.
１・・・樹脂フィルム
２・・・抗菌成分を含有する担持体
３・・・抗菌成分含有層
１０・・抗菌フィルム
1 ... resin film 2 ... carrier containing an antibacterial component 3 ... an antibacterial component containing layer 10 ... an antibacterial film
Claims (5)
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| JP2021038166A (en) * | 2019-09-03 | 2021-03-11 | 凸版印刷株式会社 | Antibacterial agents and external preparations and antibacterial films using them |
| JP2021063040A (en) * | 2019-10-16 | 2021-04-22 | 凸版印刷株式会社 | Antibacterial wrap film |
| JP2023135433A (en) * | 2022-03-15 | 2023-09-28 | 凸版印刷株式会社 | Antimicrobial composition, fiber or clothing, film, antimicrobial material, and microorganism control method |
| JP2023135321A (en) * | 2022-03-15 | 2023-09-28 | 凸版印刷株式会社 | Antimicrobial composition, fiber or clothing, and film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2021038166A (en) * | 2019-09-03 | 2021-03-11 | 凸版印刷株式会社 | Antibacterial agents and external preparations and antibacterial films using them |
| JP7383938B2 (en) | 2019-09-03 | 2023-11-21 | Ｔｏｐｐａｎホールディングス株式会社 | Antibacterial agents, external preparations using them, and antibacterial films |
| JP2021063040A (en) * | 2019-10-16 | 2021-04-22 | 凸版印刷株式会社 | Antibacterial wrap film |
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| JP2023135433A (en) * | 2022-03-15 | 2023-09-28 | 凸版印刷株式会社 | Antimicrobial composition, fiber or clothing, film, antimicrobial material, and microorganism control method |
| JP2023135321A (en) * | 2022-03-15 | 2023-09-28 | 凸版印刷株式会社 | Antimicrobial composition, fiber or clothing, and film |
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