JP2016156113A - Platinum processed fiber having permanently antibacterial property using platinum shield technique - Google Patents
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本発明は、プラチナ（白金）シールド技術用いた抗菌性を有するプラチナ加工繊維に関する。 The present invention relates to a platinum-processed fiber having antibacterial properties using platinum (platinum) shield technology.
従来、繊維等の抗菌性製品については、種々の技術が提案されている。例えば特許文献１では、抗菌性金属成分と該抗菌性金属成分以外の無機酸化物とから構成される微粒子が分散してなる抗菌性無機酸化物コロイド溶液と繊維を接触させることを特徴とする抗菌性繊維の製造方法が提案されている。これは、優れた抗菌効果を長時間にわたり安定して維持することができ、しかも、繊維製品の風合いを損なわず加工が容易で、変色することがない抗菌性繊維の製造方法を提供することを目的とするものである。 Conventionally, various techniques have been proposed for antibacterial products such as fibers. For example, in Patent Document 1, an antibacterial inorganic oxide colloidal solution in which fine particles composed of an antibacterial metal component and an inorganic oxide other than the antibacterial metal component are dispersed is brought into contact with the fiber. A method for producing a conductive fiber has been proposed. This is to provide a method for producing an antibacterial fiber that can stably maintain an excellent antibacterial effect for a long time, is easy to process without impairing the texture of the textile product, and does not discolor. It is the purpose.
しかしながら、前述した先行技術においては、日々の洗濯によりその抗菌性は徐々に薄れ、例えば、年間を通して製造時の抗菌性を持続し得るものではなかった。 However, in the above-mentioned prior art, the antibacterial properties gradually faded by daily washing, and for example, the antibacterial properties at the time of manufacture could not be maintained throughout the year.
本発明はこのような実状に鑑みてなされたものであり、本発明の課題は、製造時の抗菌性を恒久的に持続することが可能なプラチナ加工繊維を提供することである。 This invention is made | formed in view of such an actual condition, and the subject of this invention is providing the platinum processed fiber which can maintain the antimicrobial property at the time of manufacture permanently.
上述した課題を解決するために、本発明に係るプラチナ加工繊維は、白金粒子が分散したプラチナナノコロイドの水溶液に繊維を浸し又は吹き付け、乾燥させることで、当該繊維表面に上記プラチナナノコロイドを定着させたプラチナ加工繊維であって、ＪＩＳ Ｌ ０２１７ １０３号に準じた洗濯試験による洗濯回数が２００回以上において、ＪＩＳ Ｌ １９０２：２００８に準じた定量試験において静菌活性値が３．３以上の値を示すことを特徴としている。 In order to solve the above-described problem, the platinum processed fiber according to the present invention fixes the platinum nanocolloid on the surface of the fiber by immersing or spraying the fiber in an aqueous solution of platinum nanocolloid in which platinum particles are dispersed and drying. A processed platinum fiber having a bacteriostatic activity value of 3.3 or more in a quantitative test according to JIS L 1902: 2008 when the number of washings is 200 or more according to JIS L 0217 103. It is characterized by showing.
また、本発明に係るプラチナ加工繊維は、白金粒子が分散したプラチナナノコロイドの水溶液と抗菌防臭剤を含む加工剤との混合液に繊維を浸し又は吹き付け、乾燥させることで、当該繊維表面に上記プラチナナノコロイドを定着させたプラチナ加工繊維であって、ＪＩＳ Ｌ ０２１７ １０３号に準じた洗濯試験による洗濯回数が２００回以上において、ＪＩＳ Ｌ １９０２：２００８に準じた定量試験において静菌活性値が３．３以上の値を示すことを特徴としている。 In addition, the processed platinum fiber according to the present invention is obtained by immersing or spraying a fiber in a mixed solution of an aqueous solution of platinum nanocolloid in which platinum particles are dispersed and a processing agent containing an antibacterial deodorant, and drying the fiber. A platinum-processed fiber in which platinum nanocolloids are fixed, and the bacteriostatic activity value is 3 in a quantitative test according to JIS L 1902: 2008 when the number of washings is 200 or more according to JIS L 0217 103. It is characterized by showing a value of 3 or more.
本発明によれば、製造時の抗菌性を恒久的に持続することが可能なプラチナ加工繊維を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the platinum processed fiber which can maintain the antibacterial property at the time of manufacture permanently can be provided.
以下、本発明のプラチナナノコロイド加工が施された繊維（プラチナ加工繊維）に係る好適な実施形態について説明する。なお、本発明のプラチナ加工繊維は、以下の記述に限定されるものではなく、本発明の要旨を逸脱しない範囲において、適宜変更可能である。ここで、本発明のプラチナ加工繊維は、白金をナノサイズの微小粒子にしたプラチナナノコロイドの水溶液或いは該水溶液と抗菌防臭剤又は抗菌消臭剤などの加工剤との混合液に繊維を浸すか又は吹き付けるかし、乾燥させることで、繊維表面に該プラチナナノコロイドを浸透させ、恒久的な抗菌性を有することを特徴とするものである。このような処理を、プラチナ加工及び配合と称し、このような処理の下、製造された繊維を本発明ではプラチナ加工繊維と称する。 Hereinafter, a preferred embodiment of a fiber (platinum processed fiber) subjected to the platinum nanocolloid processing of the present invention will be described. In addition, the platinum processed fiber of this invention is not limited to the following description, In the range which does not deviate from the summary of this invention, it can change suitably. Here, the platinum-processed fiber of the present invention is obtained by immersing the fiber in an aqueous solution of platinum nanocolloid obtained by making platinum into nano-sized fine particles or a mixed solution of the aqueous solution and a processing agent such as an antibacterial deodorant or an antibacterial deodorant. Alternatively, the platinum nanocolloid penetrates the fiber surface by spraying or drying, and has permanent antibacterial properties. Such treatment is referred to as platinum processing and blending, and the fibers produced under such treatment are referred to herein as platinum processed fibers.
本発明の一実施形態に係るプラチナ加工繊維の被処理物としては、天然繊維、合成繊維等を原料とする加工品を採用することができる。 As the object to be processed of the platinum processed fiber according to the embodiment of the present invention, a processed product using natural fiber, synthetic fiber or the like as a raw material can be adopted.
本実施形態で用いるプラチナナノコロイドの水溶液、即ち抗菌処理液としては、例えば平均粒径が１〜１０ｎｍの白金粒子を含むコロイド溶液からなるものが挙げられる。このようなコロイド溶液は、例えば、塩化白金銀イオン（ＰｔＣｌ４ ２−）とアスコルビン酸などの白金イオンに対して還元能力を有する還元剤を水中で反応させ、白金イオンを還元することで調整することができる。コロイド溶液を調製するための水中における白金イオン(塩化白金酸イオン)の濃度は０．００１〜０．１ｍｏｌ／Ｌとすることが望ましく、還元剤の濃度は白金イオンの濃度の５〜２０倍とすることが望ましい。なお、水中において白金イオンを安定に存在させるために、クエン酸などのヒドロキシカルボン酸（ナトリウム塩などの塩の形態であってもよい）を安定化剤として添付することが望ましい。水中における安定化剤の濃度は白金イオンの濃度の０．５〜２倍とすることが望ましい。 Examples of the aqueous solution of platinum nanocolloid used in the present embodiment, that is, an antibacterial treatment liquid, include a colloid solution containing platinum particles having an average particle diameter of 1 to 10 nm. Such a colloidal solution is prepared by, for example, reacting a platinum chloride silver ion (PtCl 4 2− ) and a reducing agent having a reducing ability with platinum ions such as ascorbic acid in water and reducing the platinum ions. be able to. The concentration of platinum ions (chloroplatinate ions) in water for preparing the colloidal solution is preferably 0.001 to 0.1 mol / L, and the concentration of the reducing agent is 5 to 20 times the concentration of platinum ions. It is desirable to do. In addition, in order to make platinum ion stably exist in water, it is desirable to attach hydroxycarboxylic acids, such as a citric acid (it may be in the form of salts, such as a sodium salt) as a stabilizer. The concentration of the stabilizer in water is preferably 0.5 to 2 times the concentration of platinum ions.
繊維には、プラチナナノコロイドが付着される。より具体的には、繊維をプラチナナノコロイドの水溶液に浸し、乾燥させることで、繊維表面にプラチナナノコロイドが定着(浸透)することになる。或いは、繊維に霧吹き等でプラチナナノコロイドの水溶液を吹き付け、乾燥させることで、繊維表面にプラチナナノコロイドが定着（浸透）することになる。 Platinum nanocolloid is attached to the fiber. More specifically, when the fiber is immersed in an aqueous solution of platinum nanocolloid and dried, the platinum nanocolloid is fixed (penetrated) on the fiber surface. Alternatively, the platinum nanocolloid is fixed (penetrated) on the fiber surface by spraying the fiber with an aqueous solution of platinum nanocolloid by spraying or the like and drying it.
或いは、繊維を抗菌防臭（又は消臭）剤を含む加工剤とプラチナナノコロイドの水溶液の混合液に浸し、乾燥させることで、繊維表面にプラチナナノコロイドが定着(浸透)することになる。或いは、繊維に霧吹き等で抗菌防臭（又は消臭）剤とプラチナナノコロイドの水溶液の混合液を吹き付け、乾燥させることで、繊維表面にプラチナナノコロイドが定着(浸透)することになる。 Alternatively, the platinum nanocolloid is fixed (penetrated) on the fiber surface by immersing the fiber in a mixed solution of a processing agent containing an antibacterial deodorant (or deodorant) and an aqueous solution of platinum nanocolloid and drying it. Alternatively, a mixture of an antibacterial deodorant (or deodorant) and an aqueous solution of platinum nanocolloid is sprayed onto the fiber by spraying or the like, and the platinum nanocolloid is fixed (penetrated) on the fiber surface.
ここで、「プラチナナノコロイド」とは、白金をナノサイズの微小粒子にした白金粒子が均一に分散した状態のものである。プラチナナノコロイドの白金粒子の平均粒径は、例えば１〜１０ｎｍとなっている。この場合、プラチナナノコロイドの水溶液とは、平均粒径が１〜１０ｎｍの白金粒子が均一に分散されたプラチナナノコロイドの水溶液である。但し、これに限定されないことは勿論である。 Here, the “platinum nanocolloid” is a state in which platinum particles obtained by converting platinum into nano-sized fine particles are uniformly dispersed. The average particle diameter of platinum particles of the platinum nanocolloid is, for example, 1 to 10 nm. In this case, the aqueous solution of platinum nanocolloid is an aqueous solution of platinum nanocolloid in which platinum particles having an average particle diameter of 1 to 10 nm are uniformly dispersed. However, it is needless to say that the present invention is not limited to this.
プラチナナノコロイドの中には、社団法人繊維評価技術評議会が定める「防奥抗菌加工／制菌加工繊維製品」のＳＥＫマークの特定赤マークを取得したものもある。また、白金自体は食品添加物として厚生労働省より認可が下りているものであるのである。従って、安全性は十分である。 Some platinum nanocolloids have obtained the specific red mark of the SEK mark of “Anti-bacterial antibacterial / antibacterial processed fiber products” established by the Council for Textile Evaluation Technology. Platinum itself has been approved by the Ministry of Health, Labor and Welfare as a food additive. Therefore, safety is sufficient.
以下、プラチナシールド技術により製造したプラチナ加工繊維が有する抗菌性について説明する。 Hereinafter, the antibacterial property of the platinum processed fiber manufactured by the platinum shield technology will be described.
プラチナナノコロイドを付着させることにより得られたプラチナ加工繊維をＪＩＳ Ｌ ０２１７ １０３号に準じて２００回洗濯した後、ＪＩＳ Ｌ １９０２：２００８に準じた定量試験（菌液吸収法）を行い、静菌活性値及び殺菌活性値を求めた。なお、洗剤は、ＪＡＦＥＴ標準配合洗剤を使用した。また、試験菌株としては、黄色ぶどう球菌（Staphylococcus ayreus NBRC 12732）を用いた。結果を表１に示す。 After washing the platinum-processed fiber obtained by attaching platinum nanocolloid 200 times according to JIS L 0217 103, a quantitative test (bacterial solution absorption method) according to JIS L 1902: 2008 is carried out, and bacteriostatic Activity values and bactericidal activity values were determined. The detergent used was a JAFET standard combination detergent. As a test strain, Staphylococcus ayreus NBRC 12732 was used. The results are shown in Table 1.
殺菌活性値＝Ｍａ−Ｍｃ
（Ｍａ：標準綿布の接種直後、Ｍｂ：標準綿布の１８時間後、Ｍｏ：試験試料の接種直後、Ｍｃ：試験試料の１８時間後）
Bactericidal activity value = Ma-Mc
(Ma: Immediately after inoculation with standard cotton cloth, Mb: 18 hours after standard cotton cloth, Mo: Immediately after inoculation with test sample, Mc: 18 hours after test sample)
表１に示すように、洗濯回数が２００回後においても、生菌数の常用対数値は接種直後から１８時間後において減少し、静菌活性値は３．３であった。また、このときの殺菌活性値は０．５であった。 As shown in Table 1, even after the number of washings was 200, the common logarithm of the number of viable bacteria decreased 18 hours after the inoculation and the bacteriostatic activity value was 3.3. Moreover, the bactericidal activity value at this time was 0.5.
ところで、表２は、プラチナナノコロイドを付着させていない繊維（未加工繊維）をＪＩＳ Ｌ ０２１７ １０３号に準じて１０回洗濯した後、ＪＩＳ Ｌ １９０２：２００８に準じた定量試験（菌液吸収法）を行い、静菌活性値及び殺菌活性値を求めた結果である。 By the way, Table 2 shows a quantitative test (bacterial fluid absorption method) according to JIS L 1902: 2008, after washing the fiber (raw fiber) not adhered with platinum nanocolloid 10 times according to JIS L 0217 103. ) And the bacteriostatic activity value and the bactericidal activity value were obtained.
表２に示されるように、未加工繊維では、生菌数の常用対数値は接種直後から１８時間後において増加し、静菌活性値は０．１であった。また、このときの殺菌活性値は−２．７であった。よって、繊維に対してプラチナ加工を施していない未加工繊維では、１０回の洗濯後においても標準綿布と略同じ結果となり、抗菌性は示さないことが確認された。 As shown in Table 2, in the untreated fiber, the common logarithm of the viable count increased 18 hours after inoculation and the bacteriostatic activity value was 0.1. Moreover, the bactericidal activity value at this time was -2.7. Therefore, it was confirmed that the unprocessed fiber in which the fiber was not subjected to platinum processing had substantially the same result as the standard cotton cloth even after 10 washes, and did not exhibit antibacterial properties.
表３は、プラチナ加工繊維に対してＪＩＳ Ｌ ０２１７ １０３号に準じた洗濯試験を３６６回行い、同様に、ＪＩＳ Ｌ １９０２：２００８に準じた定量試験（菌液吸収法）を実施した結果である。 Table 3 shows the results of conducting a washing test according to JIS L 0217 103 366 times on the platinum-processed fibers, and similarly carrying out a quantitative test (bacterial fluid absorption method) according to JIS L 1902: 2008. .
表３に示すように、洗濯回数が３６６回後においても、生菌数の常用対数値は接種直後から１８時間後において減少し、静菌活性値は５．０であった。また、このときの殺菌活性値は２．１であった。 As shown in Table 3, even after 366 washings, the common logarithm of the number of viable bacteria decreased 18 hours after inoculation and the bacteriostatic activity value was 5.0. Moreover, the bactericidal activity value at this time was 2.1.
表４は、プラチナ加工繊維に対してＪＩＳ Ｌ ０２１７ １０３号に準じた洗濯試験を４００回行い、同様に、ＪＩＳ Ｌ １９０２：２００８に準じた定量試験（菌液吸収法）を実施した結果である。 Table 4 shows the results of conducting a washing test according to JIS L 0217 103 400 times on the platinum-processed fibers and similarly carrying out a quantitative test (bacterial fluid absorption method) according to JIS L 1902: 2008. .
表４に示すように、洗濯回数が４００回後においても、生菌数の常用対数値は接種直後から１８時間後において減少し、静菌活性値は４．２であった。また、このときの殺菌活性値は１．３であった。 As shown in Table 4, even after the number of washings was 400, the common logarithm of the viable count decreased 18 hours after inoculation and the bacteriostatic activity value was 4.2. Moreover, the bactericidal activity value at this time was 1.3.
表１、表３、及び表４に示すように、接種直後と１８時間後との生菌数の常用対数値を標準綿布のものと比較すると、本発明に係るプラチナ加工繊維では、明らかな抗菌活性の持続が見受けられた。また、静菌活性値及び殺菌活性値も洗濯回数２００回、３６６回、４００回においてそれぞれ有意な値を示し、プラチナシールド技術によって奏される抗菌性が実証された。 As shown in Table 1, Table 3, and Table 4, when the common logarithm of the viable count immediately after inoculation and 18 hours after is compared with that of a standard cotton cloth, the platinum-processed fiber according to the present invention has a clear antibacterial activity. Sustained activity was observed. In addition, the bacteriostatic activity value and the bactericidal activity value also showed significant values at 200, 366 and 400 times of washing, respectively, demonstrating the antibacterial properties exhibited by the platinum shield technology.
これらの試験結果から、本発明に係るプラチナ加工繊維では、略毎日洗濯したとしても、年間を通じた洗濯回数（２００回〜４００回）程度ではその抗菌性は損なわれることなく、年間を通じて製造時の抗菌性を持続し得ることが明らかとなった。そして、本発明に係るプラチナ加工繊維では、年間を通して製造時の抗菌性を持続し得るものであることから、雑菌の繁殖に伴う異臭の発生を抑制する消臭効果も期待することができる。 From these test results, even if the platinum processed fiber according to the present invention was washed almost every day, the antibacterial property was not impaired at the number of times of washing (200 to 400 times) throughout the year, and at the time of production throughout the year. It became clear that antibacterial properties could be sustained. And since the processed platinum fiber according to the present invention can maintain antibacterial properties during production throughout the year, it can also be expected to have a deodorizing effect that suppresses the generation of off-flavors associated with the propagation of germs.
以上、本発明の一実施形態について説明したが、本発明が適用可能な繊維加工品としては、例えば、枕カバー（ピロケース）、布団カバー（掛け布団カバー、敷き布団カバー）、布団の衿カバー、敷きパット、枕パット（ピロパット）、シーツ等の寝具カバーや、キャミソール、タンクトップ、ショーツ、ブリーフ、トランクス、ブラジャー等の下着や、靴下やパンティストッキング等の靴下類や、パジャマやネグリジェ等の寝間着や、綿布団、羊毛布団、羽毛布団、羽根布団、化繊布団等の布団や、ハンドタオル、フェイスタオル、マスク、ボディタオル、バスタオル、スポーツタオル、ビーチタオル等のタオル等が実現される。さらに、ブーツやスニーカー、スリッパ、サンダル等の靴類や、その中敷き、財布やカバン等のナイロン製品、はらまきやシャツ、ズボン、学生服、ドレス等の衣服、カーテンやテーブルクロス、バスマットやキッチンマット、トイレタリー製品等が実現される。この他、本発明は、生活雑貨、日用製品一般に適用可能である。 As mentioned above, although one embodiment of the present invention was described, as a textile processed product to which the present invention can be applied, for example, a pillow cover (pillow case), a duvet cover (a comforter cover, a mattress cover), a futon cover, a mattress pad Bedding covers such as pillow pats and sheets, underwear such as camisole, tank top, shorts, briefs, trunks, brassiere, socks such as socks and pantyhose, sleepwear such as pajamas and nightgowns, cotton Futons such as futons, woolen duvets, duvets, feather duvets, and synthetic futons, and towels such as hand towels, face towels, masks, body towels, bath towels, sports towels, beach towels, and the like are realized. In addition, shoes such as boots, sneakers, slippers, sandals, insoles, nylon products such as wallets and bags, clothes such as hampers, shirts, trousers, school uniforms, dresses, curtains and tablecloths, bath mats and kitchen mats, Toiletries are realized. In addition, the present invention is applicable to household goods and daily products in general.
Claims (4)
ＪＩＳ Ｌ ０２１７ １０３号に準じた洗濯試験による洗濯回数が２００回以上において、
ＪＩＳ Ｌ １９０２：２００８に準じた定量試験において静菌活性値が３．３以上の値を示すことを特徴とするプラチナ加工繊維。 A platinum-processed fiber in which the platinum nanocolloid is fixed on the surface of the fiber by dipping or spraying the fiber in an aqueous solution of platinum nanocolloid in which platinum particles are dispersed, and drying,
When the number of washings by the washing test according to JIS L 0217 103 is 200 times or more,
A platinum-processed fiber having a bacteriostatic activity value of 3.3 or more in a quantitative test according to JIS L 1902: 2008.
ＪＩＳ Ｌ ０２１７ １０３号に準じた洗濯試験による洗濯回数が２００回以上において、
ＪＩＳ Ｌ １９０２：２００８に準じた定量試験において静菌活性値が３．３以上の値を示すことを特徴とするプラチナ加工繊維。 A platinum-processed fiber in which the platinum nanocolloid is fixed on the surface of the fiber by dipping or spraying the fiber in a mixed solution of an aqueous solution of platinum nanocolloid in which platinum particles are dispersed and a processing agent containing an antibacterial deodorant. There,
When the number of washings by the washing test according to JIS L 0217 103 is 200 times or more,
A platinum-processed fiber having a bacteriostatic activity value of 3.3 or more in a quantitative test according to JIS L 1902: 2008.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2018184380A (en) * | 2017-04-27 | 2018-11-22 | 株式会社バイオフェイス東京研究所 | Antibacterial agent that maintains antibacterial and antifungal properties for long time using platinum shielding technique, and antibacterial composition prepared therewith |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018184380A (en) * | 2017-04-27 | 2018-11-22 | 株式会社バイオフェイス東京研究所 | Antibacterial agent that maintains antibacterial and antifungal properties for long time using platinum shielding technique, and antibacterial composition prepared therewith |
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