JP2008290318A - Antibacterial heat transfer film - Google Patents
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本発明は、抗菌剤が摩擦により脱落しない抗菌性熱転写フィルムに関する。詳細には転写層の表面が硬質性である抗菌性熱転写フィルムに関する。 The present invention relates to an antibacterial thermal transfer film in which an antibacterial agent does not fall off due to friction. Specifically, the present invention relates to an antibacterial thermal transfer film whose transfer layer surface is hard.
抗菌性熱転写フィルムは、従来から携帯電話、化粧用コンパクト容器、車装飾、食品容器等の表面に、該熱転写フィルムの転写層を転写するために用いられており、その転写層に抗菌剤を配合することにより殺菌作用を持たせている。
例えば、製品の表面に、簡単に効率的に抗菌処理を施すことを目的として、剥離層９（転写層に相当）にアクリル系樹脂を用いて抗菌性無機材料を配合した抗菌性熱転写フィルムが提案されている。（特許文献１参照）
Antibacterial heat transfer film has been used to transfer the transfer layer of the thermal transfer film to the surface of mobile phones, cosmetic compact containers, car decorations, food containers, etc., and contains an antibacterial agent in the transfer layer. By doing so, it has a bactericidal action.
For example, an antibacterial thermal transfer film is proposed in which an antibacterial inorganic material is blended into the release layer 9 (corresponding to the transfer layer) using an acrylic resin for the purpose of easily and efficiently applying an antibacterial treatment to the product surface. Has been. (See Patent Document 1)
又、最終製品であるカードや化粧板に確実に抗菌性を付与できる転写フィルムを提供することを目的として、シート状基材上に剥離層を介して保護層、印刷層および接着層が積層され、該保護層をワックスと抗菌剤とを添加含有させた樹脂組成物で構成する抗菌性転写フィルムが提案されている。前記保護層は、ポリウレタン樹脂、ポリエチレン樹脂あるいはポリスチレン樹脂にワックス、シリコン、有機溶剤を混合したものから成っている。（特許文献２参照） In addition, a protective layer, a printing layer, and an adhesive layer are laminated on a sheet-like substrate via a release layer for the purpose of providing a transfer film that can reliably impart antibacterial properties to a card or a decorative board as a final product. In addition, an antibacterial transfer film is proposed in which the protective layer is composed of a resin composition containing a wax and an antibacterial agent. The protective layer is made of polyurethane resin, polyethylene resin or polystyrene resin mixed with wax, silicon and organic solvent. (See Patent Document 2)
そして、表面保護層が熱可塑性樹脂をバインダーとすることによる耐摩耗性の不足、表面の抗菌剤の脱落を防止することを目的として、基材シート１の上にバインダーである熱硬化性樹脂に抗菌剤を配合した抗菌性保護層２と、同様に抗菌剤を配合した第２の保護層３と、接着層５とを設けることにより、耐摩耗性、耐擦傷性などの物理的強度の向上を図った抗菌性転写シートが提案されている。前記抗菌性保護層２を形成するバインダーは、二液硬化型ポリウレタン、不飽和ポリエステル、メラミン樹脂などの熱硬化型樹脂がある。（特許文献３参照） And, for the purpose of preventing the abrasion resistance due to the surface protective layer using a thermoplastic resin as a binder and preventing the antibacterial agent from dropping off on the surface of the base sheet 1, a thermosetting resin as a binder is applied. By providing an antibacterial protective layer 2 containing an antibacterial agent, a second protective layer 3 similarly containing an antibacterial agent, and an adhesive layer 5, physical strength such as wear resistance and scratch resistance is improved. An antibacterial transfer sheet has been proposed. Examples of the binder that forms the antibacterial protective layer 2 include thermosetting resins such as two-component curable polyurethane, unsaturated polyester, and melamine resin. (See Patent Document 3)
更に、銀を含む基材表面を、撥水材で処理して撥水層４を形成し、その撥水層４のところどころに多数の抗菌剤を表面に露出させる抗菌性物品が知られているが、抗菌効果が充分でない。そこで、物品表面に抗菌剤を含有する抗菌性ガラス質層３を形成し、該抗菌性ガラス質層上に撥水材塗布液を塗布して撥水層４を形成し、前記抗菌性ガラス質層３中の前記抗菌剤を前記撥水層４中に拡散させる抗菌性物品が提案されている。（特許文献４参照） Furthermore, an antibacterial article is known in which the surface of a substrate containing silver is treated with a water repellent material to form a water repellent layer 4 and a number of antibacterial agents are exposed on the surface of the water repellent layer 4. However, the antibacterial effect is not sufficient. Therefore, the antibacterial vitreous layer 3 containing the antibacterial agent is formed on the surface of the article, and the water repellent layer 4 is formed by applying a water repellent coating liquid on the antibacterial vitreous layer. An antibacterial article that diffuses the antibacterial agent in the layer 3 into the water repellent layer 4 has been proposed. (See Patent Document 4)
上記特許文献１の抗菌性熱転写フィルムは、転写層である剥離層がアクリル樹脂で形成されており、そして、上記特許文献２の転写シートは、転写層である保護層がポリウレタン樹脂、ポリエチレン樹脂あるいはポリスチレン樹脂にワックス、シリコン、有機溶剤を混合したものから形成されているために、摩擦に弱くて表面に傷がつき易い欠点があり、そのために、抗菌剤が摩擦で脱落しやすく耐抗菌性に問題があった。 The antibacterial thermal transfer film of Patent Document 1 has a release layer that is a transfer layer formed of an acrylic resin, and the transfer sheet of Patent Document 2 has a protective layer that is a transfer layer of polyurethane resin, polyethylene resin or Because it is made from a mixture of polystyrene resin with wax, silicon, and organic solvent, it has the disadvantage of being weak against friction and easily scratching the surface. There was a problem.
又、上記特許文献３の抗菌性転写シートは、転写層である抗菌性保護層２が不飽和ポリエステル、メラミン樹脂等の熱硬化型樹脂で形成されてはいるものの、やはり摩擦により表面が傷つき易い欠点があり、そのために、抗菌剤が摩擦で脱落しやく耐抗菌性に問題があった。
更に、上記特許文献４の抗菌性ガラス質層３を有する抗菌性物品では、抗菌剤２を抗菌性ガラス質層３内部に固定させる熱処理温度は、抗菌性ガラス質層３および撥水層４に悪影響を与えない温度として300〜400 ℃程度が好適とされており、自然に放置した状態で抗菌剤を固定できなかった。
In the antibacterial transfer sheet of Patent Document 3, the antibacterial protective layer 2 as a transfer layer is formed of a thermosetting resin such as unsaturated polyester or melamine resin, but the surface is also easily damaged by friction. There are drawbacks, and the antibacterial agent has a problem in antibacterial resistance because it is easily removed by friction.
Further, in the antibacterial article having the antibacterial glassy layer 3 of Patent Document 4, the heat treatment temperature for fixing the antibacterial agent 2 inside the antibacterial glassy layer 3 is applied to the antibacterial glassy layer 3 and the water repellent layer 4. A temperature of about 300 to 400 ° C. is suitable as a temperature that does not have an adverse effect, and the antibacterial agent could not be fixed in a state of being allowed to stand naturally.
本発明は、上記課題を解決するために、抗菌性熱転写フィルムの転写層の表面硬度を大きくすることにより、転写層の表面から摩擦で抗菌剤が脱落しにくくし、又、自然に放置した状態で抗菌剤を抗菌性熱転写フィルムに固定できる抗菌性熱転写フィルムを提供することを目的とする。 In order to solve the above-mentioned problems, the present invention increases the surface hardness of the transfer layer of the antibacterial thermal transfer film, thereby making it difficult for the antibacterial agent to fall off by friction from the surface of the transfer layer, An object of the present invention is to provide an antibacterial heat transfer film capable of fixing an antibacterial agent to an antibacterial heat transfer film.
上記課題を達成するために、請求項１に係る発明は、離型性のベースフィルムに、抗菌性ガラス質層、印刷層又は蒸着層、熱接着層が積層された熱転写フィルムであって、前記抗菌性ガラス質層がアミノ基を含むシラン化合物とホウ素化合物の反応による高分子物質組成物、合成樹脂成分及び抗菌剤から成ることを特徴とする。
請求項２に係る発明は、前記抗菌性ガラス質層が自然に放置した状態で縮合が進み硬化して抗菌剤を固定していることを特徴とする
請求項３に係る発明は、前記抗菌性ガラス質層が、厚さが３〜８μmで、硬度が鉛筆硬度で２Ｈ〜６Ｈであることを特徴とする。
請求項４に係る発明は、前記抗菌性ガラス質層が抗菌剤として銀ゼオライト、銀ガラス又は銀燐酸ジルコニウムから選ばれた平均粒子径１〜１０μmの微粒子を含むことを特徴とする。
請求項５に係る発明は、前記抗菌性ガラス質層が、アミノ基を含むシラン化合物とホウ素化合物よりなる高分子物質組成物６０〜８０重量％に対して、合成樹脂成分４０〜２０重量％を配合し、炭素数１〜７のアルコールにより濃度３０〜６０重量％に調整したガラス質のゾルを前記ベースフィルムに塗布することにより形成されてなることを特徴とする。
In order to achieve the above object, the invention according to claim 1 is a thermal transfer film in which an antibacterial vitreous layer, a printing layer or a vapor deposition layer, and a thermal adhesive layer are laminated on a releasable base film, The antibacterial vitreous layer is characterized by comprising a polymer composition obtained by reaction of a silane compound containing an amino group and a boron compound, a synthetic resin component, and an antibacterial agent.
The invention according to claim 2 is characterized in that the antibacterial vitreous layer is allowed to stand naturally and the condensation proceeds and hardens to fix the antibacterial agent. The glassy layer has a thickness of 3 to 8 μm and a hardness of 2H to 6H in pencil hardness.
The invention according to claim 4 is characterized in that the antibacterial vitreous layer contains fine particles having an average particle diameter of 1 to 10 μm selected from silver zeolite, silver glass or silver zirconium phosphate as an antibacterial agent.
The invention according to claim 5 is characterized in that the antibacterial glassy layer contains 40 to 20% by weight of a synthetic resin component with respect to 60 to 80% by weight of a polymer composition composed of a silane compound containing an amino group and a boron compound. It is formed by coating the base film with a glassy sol which is blended and adjusted to a concentration of 30 to 60% by weight with an alcohol having 1 to 7 carbon atoms.
本発明の抗菌性熱転写フィルムは、その抗菌性ガラス質層の硬度が鉛筆硬度で２H〜６Hあるので、該抗菌性ガラス質層の表面から摩擦で抗菌剤が脱落しにくいという顕著な効果を奏する。
又、本発明の抗菌性熱転写フィルムは、空気中の湿気により縮合が進んで硬化するので、自然に放置した状態で抗菌剤を抗菌性熱転写フィルムに固定できるという顕著な効果を奏する。
The antibacterial thermal transfer film of the present invention has a remarkable effect that the antibacterial vitreous layer has a pencil hardness of 2H to 6H, so that the antibacterial agent is less likely to fall off by friction from the surface of the antibacterial vitreous layer. .
In addition, the antibacterial heat transfer film of the present invention has a remarkable effect that the antibacterial agent can be fixed to the antibacterial heat transfer film in a state where the antibacterial heat transfer film of the present invention is allowed to stand naturally, since the condensation proceeds and cures.
本発明に用いる離型性のベースフィルムとは、通常用いられているＰＥＴフィルムにシリコン系の離型剤を塗布されたもので転写面に離型剤が付着しないものが好ましい。ワックスのような離型剤は転写面にワックスの付着があり好ましくない。
本発明の抗菌性熱転写フィルムは、印刷層の上に硬い抗菌性ガラス質層を得ることに特徴があり、抗菌性ガラス質層を形成する成分としてはアミノ基を含むシラン化合物とホウ素化合物が用いられ、該アミノ基を含むシラン化合物は次式で表される。
The releasable base film used in the present invention is preferably one in which a silicon-based release agent is applied to a commonly used PET film and the release agent does not adhere to the transfer surface. A mold release agent such as wax is not preferable because wax adheres to the transfer surface.
The antibacterial thermal transfer film of the present invention is characterized in that a hard antibacterial vitreous layer is obtained on a printed layer, and a silane compound containing an amino group and a boron compound are used as components for forming the antibacterial vitreous layer. The amino group-containing silane compound is represented by the following formula.
（式１）
Ｒ4-n−Ｓｉ−（ＯＲ’）n
（式中、Ｒはアミノ基含有の有機基を表し、Ｒ’はメチル基、エチル基、プロピル基を表し、ｎは１〜３から選ばれた整数を表す。）
(Formula 1)
R 4-n -Si- (OR ') n
(In the formula, R represents an amino group-containing organic group, R ′ represents a methyl group, an ethyl group, or a propyl group, and n represents an integer selected from 1 to 3).
上記アミノ基含有の有機基のＲは、モノアミノメチル、ジアミノメチル、トリアミノメチル、モノアミノエチル、ジアミノエチル、トリアミノエチル、テトラアミノプロピル、モノアミノブチル、ジアミノブチル、トリアミノブチル、テトラアミノブチル、を挙げることができる。また、Ｒ’は上述するようにメチル基、エチル基、プロピル基の中で、特にメチル基、エチル基が好ましい。
上記アミノ基を含むシラン化合物は、γ−アミノプロピルトリエトキシシラン、Ｎ−β−（アミノエチル）−γ−アミノプロピルトリエトキシシランが特に好ましい。
ホウ素化合物は、Ｈ3ＢＯ3又はＢ2Ｏ3を用いるのが適当である。
アミノ基を有するシラン化合物とホウ素化合物の配合量は、シラン化合物１モルに対してホウ素化合物０．０２〜６モルの割合が可能であるが、シラン化合物１モルに対してホウ素化合物２モルの割合が更に好ましい。
R of the amino group-containing organic group is monoaminomethyl, diaminomethyl, triaminomethyl, monoaminoethyl, diaminoethyl, triaminoethyl, tetraaminopropyl, monoaminobutyl, diaminobutyl, triaminobutyl, tetraamino Butyl can be mentioned. R ′ is preferably a methyl group or an ethyl group among the methyl group, ethyl group, and propyl group as described above.
The silane compound containing an amino group is particularly preferably γ-aminopropyltriethoxysilane or N-β- (aminoethyl) -γ-aminopropyltriethoxysilane.
The boron compound is suitably H 3 BO 3 or B 2 O 3 .
The compounding amount of the silane compound having an amino group and the boron compound can be a ratio of 0.02 to 6 mol of the boron compound with respect to 1 mol of the silane compound, but a ratio of 2 mol of the boron compound with respect to 1 mol of the silane compound. Is more preferable.
アミノ基を含むシラン化合物と、ホウ素化合物の炭素数１〜７のアルコール溶液を反応して得られる高分子物質組成物は粘稠なゾル状の物質である。該粘稠なゾル状の物質に合成樹脂成分を添加して攪拌し、その後に抗菌剤を添加して攪拌することにより、抗菌性ガラス質が生成される。この抗菌性ガラス質も高分子物質組成物と同様に粘稠なゾル状の物質である。
なお、合成樹脂成分の添加により、抗菌性熱転写フィルムに可撓性を付与することができ、又、抗菌剤を攪拌することにより、抗菌性ガラス質中に抗菌剤が均一な状態に分布される。
A polymer composition obtained by reacting an amino group-containing silane compound with a boron compound alcohol solution having 1 to 7 carbon atoms is a viscous sol-like substance. A synthetic resin component is added to the viscous sol-like substance and stirred, and then an antibacterial agent is added and stirred to produce an antibacterial vitreous. This antibacterial vitreous is also a viscous sol-like substance like the polymer substance composition.
By adding a synthetic resin component, flexibility can be imparted to the antibacterial thermal transfer film, and by stirring the antibacterial agent, the antibacterial agent is uniformly distributed in the antibacterial glass. .
合成樹脂成分としては、ビニルエステル樹脂（Ｒ８００；昭和高分子株式会社製品）、エポキシ（メタ）アクリレートモリマー、又はジペンタエリスリトールヘキサアクリレート（ダイセル化学株式会社製品）を挙げることができる。
上記高分子物質組成物６０〜８０重量％に、合成樹脂成分４０〜２０重量％を配合して、炭素数１〜７のアルコールを用いて濃度３０〜６０重量％に調整したガラス質のゾルを、離型性のベースフィルムに塗布して３〜８μmの厚さの抗菌性ガラス質層を設ける。
Examples of the synthetic resin component include vinyl ester resin (R800; Showa Polymer Co., Ltd. product), epoxy (meth) acrylate polymer, or dipentaerythritol hexaacrylate (Daicel Chemical Co., Ltd. product).
A glassy sol prepared by blending 40 to 20% by weight of a synthetic resin component with 60 to 80% by weight of the polymer composition and adjusting the concentration to 30 to 60% by weight using an alcohol having 1 to 7 carbon atoms. Then, it is applied to a releasable base film to provide an antibacterial vitreous layer having a thickness of 3 to 8 μm.
印刷層は通常のプラスチック印刷でよく、蒸着層は一般に行われているアルミニウム等の蒸着を行うことができる。熱接着層はホットメルト接着剤として用いているナイロン系、ポリエステル系、ＥＶＡ系のホットメルト接着剤を挙げることができる。
転写により得られる硬度は、抗菌性ガラス質層の厚さと被転写面の硬度により異なるが、金属に転写した場合、厚さが８μmで硬度６Ｈ以上、ＰＥＴ成型体に転写した場合、厚さが８μmで硬度６Ｈ、厚さが３μmで硬度２Ｈ、が得られる。上記高分子物質組成物が６０重量％以下では硬度２Ｈ以下となり、８０重量％以上ではクラックが入り易くて好ましくない。
The printing layer may be ordinary plastic printing, and the vapor deposition layer may be vapor deposition of aluminum or the like that is generally performed. Examples of the thermal adhesive layer include nylon, polyester, and EVA hot melt adhesives that are used as hot melt adhesives.
The hardness obtained by the transfer varies depending on the thickness of the antibacterial glassy layer and the hardness of the surface to be transferred, but when transferred to a metal, the thickness is 8 μm and the hardness is 6H or more. A hardness of 6H is obtained at 8 μm, and a hardness of 2H is obtained at a thickness of 3 μm. If the polymer material composition is 60% by weight or less, the hardness is 2H or less, and if it is 80% by weight or more, cracks tend to occur, which is not preferable.
本発明に用いる前記抗菌性ガラス質は、フィルム上に層状に塗布して乾燥した後に、自然に放置された状態で漆が硬化するように空気中の湿気で加水分解による縮合反応が進行して硬化するので、抗菌剤が抗菌性ガラス質層に固定される。換言すれば、前記抗菌性ガラス質が自然に放置した状態で硬化して抗菌性ガラス質層が形成され、その抗菌性ガラス質層に抗菌剤が固定される。
このように、アミノ基を含むシラン化合物とホウ素化合物の反応による高分子物質組成物、合成樹脂成分及び抗菌剤が配合されている抗菌性ガラス質は、硬化させるために特に熱処理を必要とせず、自然に放置した状態で硬化が進んで抗菌性ガラス質層が形成される。
The antibacterial glassy material used in the present invention is subjected to a condensation reaction by hydrolysis in the air so that the lacquer is cured in a naturally left state after being applied in layers on the film and dried. As it hardens, the antimicrobial agent is fixed to the antimicrobial glassy layer. In other words, the antibacterial vitreous layer is cured in a state where it is naturally left to form an antibacterial vitreous layer, and the antibacterial agent is fixed to the antibacterial vitreous layer.
As described above, the antibacterial vitreous compounded with the polymer composition, the synthetic resin component and the antibacterial agent by the reaction of the silane compound containing an amino group and the boron compound does not require any heat treatment in order to be cured. Curing proceeds in a state of being allowed to stand naturally to form an antibacterial vitreous layer.
抗菌性を得るために前記ガラス質のゾルである高分子物質組成物に配合する銀抗菌剤としては、平均粒子径１〜１０μmのゼオミック（銀ゼオライト；シナネン株式会社製品）、ミリオンキラー（銀ガラス；興亜硝子株式会社製品）、イオンピュー（銀ガラス；石塚硝子株式会社製品）、ノバロン（銀燐酸ジルコニウム；東亜合成株式会社製品）を挙げることができる。該平均粒子径を３〜８μmの抗菌性ガラス質層に配合するので、表面の抗菌効果が優れるのである。
上記したように、銀抗菌剤が配合された前記抗菌性ガラス質は、自然に放置した状態で硬化が進むと共に、抗菌性ガラス質層に銀抗菌剤が均一な状態に固定される。
Examples of silver antibacterial agents to be blended with the polymer composition, which is a glassy sol, in order to obtain antibacterial properties include Zeomic (silver zeolite; manufactured by Sinanen Co., Ltd.) having an average particle size of 1 to 10 μm, Million Killer (silver glass) Koa Glass Co., Ltd. product), Ion Pyu (silver glass; Ishizuka Glass Co., Ltd. product), Novalon (silver zirconium phosphate; Toagosei Co., Ltd. product). Since the average particle diameter is blended in an antibacterial vitreous layer having 3 to 8 μm, the antibacterial effect on the surface is excellent.
As described above, the antibacterial vitreous compounded with the silver antibacterial agent hardens while being left naturally, and the silver antibacterial agent is fixed to the antibacterial vitreous layer in a uniform state.
本発明の抗菌性熱転写フィルムは、転写面が２Ｈ〜６Ｈと硬くて傷がつき難く、抗菌剤は摩擦耐久性の優れた固定ができる。プラスチック成型体の表面、金属の表面、木製品の表面に本発明の転写フィルムを置き、アイロン又は熱ロールで圧着することにより硬質の優れた抗菌性の転写が得られる。身近な製品には、携帯電話、パソコン、家具、容器、化粧用具、自転車、バイク、列車装飾、車装飾、食品容器、鞄、等に用いることができる。
以下に実施例を挙げて本発明をさらに詳細に説明するが、本発明の範囲はこれら実施例に限定されるものではない。
The antibacterial thermal transfer film of the present invention has a transfer surface as hard as 2H to 6H and hardly scratches, and the antibacterial agent can be fixed with excellent friction durability. The transfer film of the present invention is placed on the surface of a plastic molded body, metal surface, or wood product, and is bonded with an iron or a hot roll to obtain a hard and excellent antibacterial transfer. As familiar products, it can be used for mobile phones, personal computers, furniture, containers, cosmetics, bicycles, motorcycles, train decorations, car decorations, food containers, bags, etc.
EXAMPLES The present invention will be described in more detail with reference to the following examples, but the scope of the present invention is not limited to these examples.
（実施例１〜５）
抗菌性ガラス質の調整
アミノ基を含むシラン化合物（Ａ）とホウ素化合物（Ｂ）の両成分をイソプロパノールに溶解して５０重量％液として溶解液を常温で５分反応して、合成樹脂成分（Ｃ）を添加し撹拌した。次に銀抗菌剤（Ｄ）として平均粒子径６μmのＰＧ７０１を添加して撹拌することにより抗菌性ガラス質を調製した。
以下に離型性ＰＥＴフィルムに抗菌ガラス質を塗布して抗菌性ガラス質層を生成する条件を表１に示す。
(Examples 1-5)
Preparation of antibacterial glassy material Both silane compound (A) and boron compound (B) containing amino groups are dissolved in isopropanol, and the resulting solution is reacted at room temperature for 5 minutes to obtain a synthetic resin component ( C) was added and stirred. Next, PG701 having an average particle diameter of 6 μm was added as a silver antibacterial agent (D) and stirred to prepare an antibacterial glassy material.
Table 1 shows the conditions for applying an antibacterial glassy material to the releasable PET film to form an antibacterial glassy layer.
アミノ基を含むシラン化合物（アミノシラン）（Ａ）：γ−アミノプロピルト リエトキシシラン
ホウ素化合物（Ｂ）：Ｈ3ＢＯ3粉末
合成樹脂成分（Ｃ）：Ｒ８００（ビニルエステル樹脂；昭和高分子株式会社製品）
銀抗菌剤 （Ｄ）：ＰＧ７０１（銀ガラス；興亜硝子株式会社製品）
Silane compound containing amino group (aminosilane) (A): γ-aminopropyltriethoxysilane Boron compound (B): H 3 BO 3 powder Synthetic resin component (C): R800 (vinyl ester resin; Showa Polymer Co., Ltd.) Product)
Silver antibacterial agent (D): PG701 (silver glass; manufactured by Koa Glass Co., Ltd.)
抗菌性ガラス質層の上に印刷により印刷層を設け、印刷層の上にナイロンホットメルトによる熱接着層を設けて抗菌性熱転写フィルムを作成した。該抗菌性ガラス質熱転写フィルムを縦横５０mm×５０mm、厚さ２mmの鉄板、ＰＥＴ板、に転写して、表面の鉛筆硬度、ＪＩＳ Ｚ２８０１による抗菌性試験の測定結果を表２に示した。
なお、鉛筆硬度試験は、ＪＩＳ−Ｋ−５４０１，６．１４「鉛筆引っかき試験」に準じて行い、抗菌性ガラス質を鋼板上に２μｍの厚さに塗布して硬化させ、荷重５００ｇの条件で測定した。抗菌試験は、黄色ぶどう球菌、大腸菌、を２×１０5個／ml植菌し、規定の条件で２４時間培養後の菌数を測定した。
An antibacterial thermal transfer film was prepared by providing a printing layer on the antibacterial glassy layer by printing, and providing a thermal adhesive layer of nylon hot melt on the printing layer. The antibacterial vitreous thermal transfer film was transferred to an iron plate or PET plate having a length and width of 50 mm × 50 mm and a thickness of 2 mm, and the pencil hardness of the surface and the measurement results of the antibacterial test according to JIS Z2801 are shown in Table 2.
The pencil hardness test is performed in accordance with JIS-K-5401, 6.14 “Pencil scratch test”, antibacterial glass is applied to a thickness of 2 μm on a steel plate and cured, and the load is 500 g. It was measured. In the antibacterial test, 2 × 10 5 cells / ml of Staphylococcus aureus and Escherichia coli were inoculated, and the number of bacteria was measured after culturing for 24 hours under prescribed conditions.
抗菌性ガラス質の高分子物質組成物６０〜８０重量％、合成樹脂成分４０〜２０重量％の範囲であれば硬度は２Ｈ〜６Ｈを得られるが、合成樹脂成分が２０重量％では抗菌性ガラス質層にクラックが入り割れる。合成樹脂成分が４０重量％以上では２Ｈ〜６Ｈの硬度を得ることができない。３〜８μmの厚さの抗菌性ガラス質層に６μmの銀抗菌剤を硬く固定してあるので抗菌効果は優れた結果が得られている。摩擦により抗菌剤が脱落することはなく強固に固定されている。 Hardness of 2H to 6H can be obtained if the antibacterial glassy polymer composition is in the range of 60 to 80% by weight and the synthetic resin component is 40 to 20% by weight. Cracks break into the quality layer. When the synthetic resin component is 40% by weight or more, a hardness of 2H to 6H cannot be obtained. An antibacterial effect is excellent because a 6 μm silver antibacterial agent is firmly fixed to an antibacterial vitreous layer having a thickness of 3 to 8 μm. The antibacterial agent does not fall off due to friction and is firmly fixed.
Claims (5)
前記抗菌性ガラス質層がアミノ基を含むシラン化合物とホウ素化合物の反応による高分子物質組成物、合成樹脂成分及び抗菌剤から成ることを特徴とする抗菌性熱転写フィルム。 A heat transfer film in which an antibacterial vitreous layer, a printing layer or a vapor deposition layer, and a thermal adhesive layer are laminated on a releasable base film,
An antibacterial thermal transfer film, wherein the antibacterial vitreous layer comprises a polymer material composition obtained by reaction of a silane compound containing an amino group and a boron compound, a synthetic resin component, and an antibacterial agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007137332A JP2008290318A (en) | 2007-05-24 | 2007-05-24 | Antibacterial heat transfer film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007137332A JP2008290318A (en) | 2007-05-24 | 2007-05-24 | Antibacterial heat transfer film |
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| JP2008290318A true JP2008290318A (en) | 2008-12-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011190220A (en) * | 2010-03-16 | 2011-09-29 | Nitto Boseki Co Ltd | Antibacterial-antifungal agent |
| JP2013215393A (en) * | 2012-04-09 | 2013-10-24 | Kenji Nakamura | Lip gloss application container |
| GB2562733A (en) * | 2017-05-22 | 2018-11-28 | Formology Holdings Ltd | System and method for antimicrobial coating of polymeric substrates |
-
2007
- 2007-05-24 JP JP2007137332A patent/JP2008290318A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011190220A (en) * | 2010-03-16 | 2011-09-29 | Nitto Boseki Co Ltd | Antibacterial-antifungal agent |
| JP2013215393A (en) * | 2012-04-09 | 2013-10-24 | Kenji Nakamura | Lip gloss application container |
| GB2562733A (en) * | 2017-05-22 | 2018-11-28 | Formology Holdings Ltd | System and method for antimicrobial coating of polymeric substrates |
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