JP3110963B2 - Durable antimicrobial agent - Google Patents
Durable antimicrobial agentInfo
- Publication number
- JP3110963B2 JP3110963B2 JP06335001A JP33500194A JP3110963B2 JP 3110963 B2 JP3110963 B2 JP 3110963B2 JP 06335001 A JP06335001 A JP 06335001A JP 33500194 A JP33500194 A JP 33500194A JP 3110963 B2 JP3110963 B2 JP 3110963B2
- Authority
- JP
- Japan
- Prior art keywords
- mol
- antibacterial
- zno
- glass
- discoloration
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/16—Silica-free oxide glass compositions containing phosphorus
- C03C3/17—Silica-free oxide glass compositions containing phosphorus containing aluminium or beryllium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2204/00—Glasses, glazes or enamels with special properties
- C03C2204/02—Antibacterial glass, glaze or enamel
Description
【０００１】[0001]
【産業上の利用分野】本発明は、溶解性ガラスに係る抗
菌剤に関するものであって、さらには、この抗菌剤をあ
らゆる化学繊維に複合して用いることができるものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antibacterial agent for a fusing glass, and moreover, this antibacterial agent can be used in combination with any chemical fiber.
【０００２】[0002]
【従来の技術】溶解性ガラスは、制御された溶解速度を
持つように、ガラスの物理的、化学的特性を考慮して組
成を調節したガラスの総称であり、抗菌性を有する銀、
銅、亜鉛化合物等を含有させたものは、数時間から数年
の任意の期間にわたって定められた一定速度で前記銀、
銅、亜鉛イオンを溶出させることができるものとして知
られている。そして、溶出した銀、銅、亜鉛イオンは、
細菌や微生物の細胞壁へ吸着したり、細胞内に濃縮して
いわゆるオリゴジナミー作用によって細菌や微生物の成
育を阻害し、抗菌作用を発揮するものである。この溶解
性ガラスは、抗菌剤を使用するあらゆる分野で利用され
ており、合成樹脂製品や繊維製品等に複合させることも
行われている。複合方法は、さまざまに開発されてお
り、材料から練込んで製品化したり、製品に後加工で抗
菌性の溶解性ガラスを付着させることも行われている。2. Description of the Related Art Melting glass is a general term for glass whose composition is adjusted in consideration of the physical and chemical properties of the glass so as to have a controlled melting rate.
Those containing copper, zinc compounds, etc., said silver, at a constant rate determined over an arbitrary period of several hours to several years,
It is known to be able to elute copper and zinc ions. And the eluted silver, copper and zinc ions are
It is adsorbed on the cell wall of bacteria or microorganisms or concentrated in cells to inhibit the growth of bacteria or microorganisms by a so-called oligodynamic action, thereby exhibiting an antibacterial action. This dissolvable glass is used in all fields where an antibacterial agent is used, and is also compounded with synthetic resin products, textile products and the like. Composite methods have been developed in various ways, such as kneading from a material to produce a product, and attaching an antibacterial soluble glass to the product by post-processing.
【０００３】ところが、この複合工程で抗菌剤の溶出、
損失が起こり、使用時に、既に効果が薄れていることが
あったり、また場合によっては使用過程での消失が激し
い等によって期待する効果期間より短期間で効果がなく
なってしまうことがあった。それを解消するには、例え
ば、熱水、酸、アルカリ、漂白、光、機械的な力などに
対する耐久性を向上させる必要があることになる。具体
的には抗菌剤を他素材に複合する場合、様々な工程があ
る。たとえば、染色の環境はｐＨ１〜３、温度８０〜１
３０℃、時間３０〜９０分処理が行われ、漂白の環境は
ｐＨ２〜４、温度７０〜１００℃、時間３０〜９０分、
亜塩素酸ソーダ等の漂白剤が一般的に使われている。そ
こでこれらの工程での損失を最小限にし、使用時に十分
抗菌効果が発揮できるようにするための抗菌剤が必要と
されてきている。[0003] However, the dissolution of the antibacterial agent in this complex process,
In some cases, a loss occurs, and the effect is already weakened during use. In some cases, the effect is lost in a shorter period of time than expected due to severe loss during the use process. In order to solve this, for example, it is necessary to improve the durability against hot water, acid, alkali, bleaching, light, mechanical force, and the like. Specifically, when an antibacterial agent is combined with another material, there are various steps. For example, the environment for dyeing is pH 1-3, temperature 80-1.
The treatment is performed at 30 ° C. for a period of 30 to 90 minutes, the bleaching environment is pH 2 to 4, the temperature is 70 to 100 ° C., and the time is 30 to 90 minutes.
Bleaching agents such as sodium chlorite are commonly used. Therefore, antibacterial agents for minimizing losses in these steps and sufficiently exhibiting an antibacterial effect at the time of use have been required.
【０００４】そして、本願出願人は先に、素材が溶解性
ガラスの分野で、最も耐水性、耐熱水性、耐光変色性、
耐洗濯性があり、しかも長期にわたり抗菌効果が持続す
るものとして、Ｐ2 Ｏ5 ５０モル％、ＭｇＯ４４モル
％、Ａｌ2 Ｏ3 ６モル％のガラス組成物１００重量部に
対して、Ａｇ2 Ｏを０．５〜２重量％含むもの（特開平
４−３３８１２９号公報参照）を提供したが、条件によ
っては不十分であることもあった。特に前記したよう
に、抗菌剤を繊維に複合させる際の酸性条件では８０％
以上溶解してしまい、抗菌効果が十分発揮できないこと
もあった。[0004] The applicant of the present application has previously reported that the material is the most water-resistant, hot water-resistant, light discoloration resistant,
Ag 2 O is used for 100 parts by weight of a glass composition containing 50 mol% of P 2 O 5, 44 mol% of MgO, and 6 mol% of Al 2 O 3. (See Japanese Unexamined Patent Publication (Kokai) No. 4-338129), but it may be insufficient depending on the conditions. In particular, as described above, 80% under acidic conditions when the antibacterial agent is combined with the fiber.
In some cases, the antibacterial agent was dissolved and the antibacterial effect could not be sufficiently exhibited.
【０００５】[0005]
【発明が解決しようとする課題】本発明は上記したよう
な従来の欠点を解決して、抗菌力を低下させることな
く、変色しない領域で耐久性を向上させるものである。
それによって、抗菌効果の安定性を図ろうとするもので
ある。SUMMARY OF THE INVENTION The present invention solves the above-mentioned drawbacks of the prior art and improves the durability in a region where discoloration does not occur without reducing the antibacterial activity.
Thereby, the antibacterial effect is intended to be stable.
【０００６】即ち、従来は、Ａｌ2 Ｏ3 ６モル％にて耐
久性、Ａｇ2 Ｏを０．５〜２重量％含むことによって抗
菌性を維持してきた。本発明ではさらに組成改良をし
て、Ａｌ2 Ｏ3 の増加や、さらに耐久性のあるＺｎＯを
添加して耐酸性を増すことができた。また、Ａｇ2 Ｏ１
〜２重量％では抗菌力は強いが、場合によって若干の変
色が生じるため、全く変色を生じなく、若干の抗菌力の
あるＺｎＯを極力含有させ、さらに、変色しない領域
で、抗菌力を補強するためにＡｇ2 Ｏを適正に含有した
組成を提供するものである。That is, conventionally, durability has been maintained at 6 mol% of Al 2 O 3 , and antibacterial properties have been maintained by containing 0.5 to 2% by weight of Ag 2 O. In the present invention, the composition was further improved, and the acid resistance was increased by increasing Al 2 O 3 and by adding more durable ZnO. Ag 2 O1
When the content is up to 2% by weight, the antibacterial activity is strong, but a slight discoloration occurs in some cases, so that no discoloration occurs and ZnO having a slight antibacterial activity is contained as much as possible. Therefore, a composition containing Ag 2 O properly is provided.
【０００７】[0007]
【課題を解決するための手段】本発明は、Ｐ2 Ｏ5 ：４
０〜５５モル％、ＺｎＯ：３５〜４５モル％、Ａｌ2Ｏ
3 ：５〜１５モル％、Ｂ2 Ｏ3 ：１〜１０モル％のガラ
ス組成物を粒径１００μｍ以下の粉末で、合成樹脂製品
及び繊維製品に付与することを特徴とするものである。
また、第２の発明として前記ガラス組成物１００重量部
に対して、Ａｇ2 Ｏを０．０１〜１．０重量％含むこと
を特徴とするものである。SUMMARY OF THE INVENTION The present invention provides P 2 O 5 : 4.
0 to 55 mol%, ZnO: 35 to 45 mol%, Al 2 O
3 : 5 to 15 mol% and B 2 O 3 : 1 to 10 mol% are provided as a powder having a particle size of 100 μm or less to synthetic resin products and textile products.
Further, with respect to the glass composition 100 parts by weight of a second invention and is characterized in that it comprises Ag 2 O 0.01 to 1.0 wt%.
【０００８】ここで、組成のポイントとなるのは、抗菌
性と耐酸性を向上させるＺｎＯと耐酸性を向上させるＡ
ｌ2 Ｏ3 を極力多く含むように少量のＢ2 Ｏ3 を添加
し、Ｐ2 Ｏ5 −ＺｎＯ−Ａｌ2 Ｏ3 のガラス構造をしっ
かりさせたことである。しかも、ＺｎＯの弱い抗菌力を
補うために、変色しない範囲内でＡｇ2 Ｏを少量添加し
たことにある。Here, the key points of the composition are ZnO for improving antibacterial properties and acid resistance and A for improving acid resistance.
That is, a small amount of B 2 O 3 was added so as to contain as much l 2 O 3 as possible to make the glass structure of P 2 O 5 —ZnO—Al 2 O 3 firm. Moreover, in order to supplement the weak antibacterial activity of ZnO, a small amount of Ag 2 O is added within a range that does not cause discoloration.
【０００９】各組成範囲の限定理由を以下に示すと、ガ
ラス組成中Ｐ2 Ｏ5 が５５モル％以上であると、微粉化
する際に吸湿性が生じ、２次凝集により微粉砕不可能と
なるからであり、逆に４０モル％以下ではＡｌ2 Ｏ3 、
ＺｎＯの未溶融や失透が生じ、品質が不安定になるから
である。ＺｎＯが４５モル％以上であると、ＺｎＯの未
溶融や失透が生じるからであり、３５モル％以下では耐
酸性の低下と抗菌効果の低下のためである。Ａｌ2 Ｏ3
が１５モル％以上であると、Ａｌ2 Ｏ3 の未溶融や失透
が生じるからであり、５モル％以下では耐酸性が低下し
てしまうからである。また、Ｂ2 Ｏ3 が１０モル％以上
であると、耐酸性の低下につながるからであり、１モル
％以下ではＡｌ2 Ｏ3 、ＺｎＯの未溶融や失透が生じる
からである。抗菌性の面からＡｇ2 Ｏは、含有させるこ
とが好ましいが、加える場合には、ガラス組成物１００
重量部に対して０．０１重量％〜１．０重量％である必
要がある。Ａｇ2 Ｏが１．０重量％以上であると、変色
が生じるからであり、特に湿熱による糸の延伸、布のア
イロンがけ、漂白時の塩素により変色が生じやすいから
であり、０．０１重量％以下では実質的にＺｎＯの弱い
抗菌力を補う効果が変わらない。The reasons for limiting the respective composition ranges are as follows. If P 2 O 5 is 55 mol% or more in the glass composition, hygroscopicity occurs at the time of pulverization, and it becomes impossible to pulverize due to secondary aggregation. On the other hand, if it is 40 mol% or less, Al 2 O 3 ,
This is because unmelting or devitrification of ZnO occurs and the quality becomes unstable. When ZnO is 45 mol% or more, unmelting or devitrification of ZnO occurs, and when it is 35 mol% or less, acid resistance and antibacterial effect are reduced. Al 2 O 3
If it is 15 mol% or more, unmelting or devitrification of Al 2 O 3 occurs, and if it is 5 mol% or less, the acid resistance decreases. On the other hand, if the content of B 2 O 3 is at least 10 mol%, the acid resistance will be reduced, and if it is at most 1 mol%, unmelting and devitrification of Al 2 O 3 and ZnO will occur. Ag 2 O is preferably contained from the viewpoint of antibacterial properties, but if added, the glass composition 100
It is necessary to be 0.01% by weight to 1.0% by weight based on parts by weight. When the content of Ag 2 O is 1.0% by weight or more, discoloration occurs. In particular, discoloration is likely to occur due to chlorine at the time of drawing of yarn by wet heat, ironing of cloth and bleaching, and 0.01% by weight. %, The effect of supplementing the weak antibacterial activity of ZnO is not substantially changed.
【００１０】[0010]
（実施例１）原料は、ＺｎＯ、Ａｌ2 Ｏ3 、Ｂ2 Ｏ3 、
ＭｇＯと共に燐酸塩化合物を用い、Ａｇ2 Ｏに硝酸銀を
調合し、実施例及び比較例〜の組成条件となるよ
うに約１３００℃で溶融した。これを粉砕し、４４〜７
４μｍの粒径にし、ガラスの耐酸性の基本特性を評価し
た。耐酸性は、４％酢酸（ｐＨ≒２．５）にガラス粒を
入れ、２０℃にて５Ｈｒ浸漬後、洗浄、乾燥し、重量減
少率を１時間当たりに換算した。その結果を表１に示
す。(Example 1) raw material, ZnO, Al 2 O 3, B 2 O 3,
Using a phosphate compound together with MgO, Ag 2 O was mixed with silver nitrate and melted at about 1300 ° C. so as to satisfy the composition conditions of the examples and comparative examples. Crush this, 44-7
The particle size was set to 4 μm, and the basic acid resistance properties of the glass were evaluated. For acid resistance, glass particles were put in 4% acetic acid (pH ≒ 2.5), immersed at 20 ° C. for 5 hours, washed and dried, and the weight loss rate was converted per hour. Table 1 shows the results.
【００１１】[0011]
【表１】 [Table 1]
【００１２】このように、ガラス化できる領域内で実施
例のサンプルが最も耐酸性がよいことが確認できた。As described above, it was confirmed that the sample of the embodiment had the best acid resistance in the vitrified region.
【００１３】（実施例２）実施例１と同様に組成を実施
例、及び比較例、の条件となるように溶融した
ガラスを粗砕、中砕さらにボールミルにて５μｍ以下に
粉砕した。この微粉をポリプロピレンに１．５％練混ん
だプレートを作成した。次に、０．４％酢酸＋０．０８
％亜塩素酸ソーダ（ｐＨ≒３）水溶液９０℃に１Ｈｒ浸
漬後、０．２％亜硫酸水素ナトリウム水溶液７０℃で２
０分浸漬してその後で、水洗して乾燥した。このプレー
トにつき、抗菌性と変色性を次の要領で評価した。抗菌
性は、大腸菌１０5 個／ｍｌ含有する１／５０濃度普通
ブイヨンをプレートに滴下し、ラップして、３５℃、２
４Ｈｒ培養後、菌液を洗い出し、寒天培地にて培養後、
生菌数を計数した。一方で、変色性は、キセノンランプ
（放射照度１０９ｗ／ｍ2 ）２４Ｈｒ照射後、褐色度合
を目視で観察した。その結果を表２に示す。(Example 2) A glass melted under the same conditions as in Example 1 and in Examples and Comparative Examples was coarsely crushed, medium crushed and further crushed by a ball mill to 5 µm or less. A plate was prepared by mixing 1.5% of this fine powder with polypropylene. Next, 0.4% acetic acid + 0.08
% Sodium chlorite (pH ≒ 3) aqueous solution for 1 hour at 90 ° C, then 0.2% aqueous sodium bisulfite solution at 70 ° C for 2 hours.
After immersion for 0 minutes, it was washed with water and dried. This plate was evaluated for antibacterial properties and discoloration in the following manner. Antibacterial activity was measured by dropping a 1 / 50-concentration ordinary broth containing 10 5 Escherichia coli / ml onto a plate, wrapping the plate at 35 ° C,
After culturing for 4 hours, the bacterial solution was washed out and cultured on an agar medium.
The number of viable bacteria was counted. On the other hand, as for the discoloration, the degree of brown color was visually observed after irradiation with a xenon lamp (irradiance: 109 w / m 2 ) for 24 hours. Table 2 shows the results.
【００１４】[0014]
【表２】 [Table 2]
【００１５】このように、Ａｇ2 Ｏ０．５％前後の含有
ガラスは、耐酸試験後の抗菌、変色を満足するものであ
った。As described above, the glass containing about 0.5% of Ag 2 O satisfies antibacterial properties and discoloration after the acid resistance test.
【００１６】[0016]
【発明の効果】無機系抗菌剤で、耐久性（耐水性、耐熱
水性、耐光変色性、耐洗濯性等）、抗菌性、不変色性を
全て満足するものはなかったが、ガラス組成を十分に検
討し、厳選することにより可能となったものである。そ
れによって、抗菌効果の安定性及び持続性も増すことと
なった。よって、本発明は従来の問題点を解決した抗菌
剤として産業の発達に寄与するところは極めて大であ
る。EFFECT OF THE INVENTION No inorganic antibacterial agent satisfies all of the durability (water resistance, hot water resistance, light discoloration resistance, washing resistance, etc.), antibacterial property and invariant property, but the glass composition is sufficient. This was made possible by careful consideration and careful selection. Thereby, the stability and persistence of the antibacterial effect also increased. Therefore, the present invention greatly contributes to industrial development as an antibacterial agent which has solved the conventional problems.
Claims (2)
３５〜４５モル％、Ａｌ2 Ｏ3 ：５〜１５モル％、Ｂ2
Ｏ3 ：１〜１０モル％のガラス組成物を、粒径１００μ
ｍ以下の粉末で、合成樹脂製品及び繊維製品に付与する
ことを特徴とする耐久性を有する抗菌剤。1. A P 2 O 5: 40~55 mol%, ZnO:
35 to 45 mol%, Al 2 O 3 : 5 to 15 mol%, B 2
O 3 : 1 to 10 mol% of a glass composition having a particle size of 100 μm
A durable antibacterial agent which is applied to synthetic resin products and textile products in the form of powder of m or less.
ｇ2 Ｏを０．０１〜１．０重量％含むことを特徴とする
請求項１に記載の耐久性を有する抗菌剤。2. A 100 parts by weight of the glass composition and A
antibacterial agents having a durability of claim 1, the g 2 O, characterized in that it comprises 0.01 to 1.0 wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06335001A JP3110963B2 (en) | 1994-12-20 | 1994-12-20 | Durable antimicrobial agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06335001A JP3110963B2 (en) | 1994-12-20 | 1994-12-20 | Durable antimicrobial agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08175843A JPH08175843A (en) | 1996-07-09 |
| JP3110963B2 true JP3110963B2 (en) | 2000-11-20 |
Family
ID=18283631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06335001A Expired - Fee Related JP3110963B2 (en) | 1994-12-20 | 1994-12-20 | Durable antimicrobial agent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3110963B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6475631B1 (en) | 1999-07-15 | 2002-11-05 | Toagosei Co., Ltd. | Antimicrobial agent, antimicrobial resin composition and antimicrobial artificial marble |
| JP2001247726A (en) * | 1999-12-28 | 2001-09-11 | Ishizuka Glass Co Ltd | Glass composition for imparting antifungal property, and antifungal polymeric composite material |
| US7709027B2 (en) | 2001-08-22 | 2010-05-04 | Schott Ag | Antimicrobial, anti-inflammatory, wound-healing glass powder and use thereof |
| DE10308186B4 (en) * | 2003-02-25 | 2007-01-04 | Schott Ag | Antimicrobial phosphate glass and its uses |
| WO2004076371A2 (en) | 2003-02-25 | 2004-09-10 | Schott Ag | Antimicrobial phosphate glass |
| JP5334496B2 (en) * | 2008-08-27 | 2013-11-06 | 住化スタイロンポリカーボネート株式会社 | Antibacterial laminated sheet |
| CN103626399B (en) * | 2012-08-28 | 2016-02-24 | 中国石油化工股份有限公司 | A kind of antibacterial glass composition and method of making the same |
| CN103627197B (en) * | 2012-08-28 | 2016-08-17 | 中国石油化工股份有限公司 | A kind of anti-bacterial thermoplastic composite and preparation method thereof |
| WO2023190895A1 (en) * | 2022-03-31 | 2023-10-05 | 大和紡績株式会社 | Processing agent, processed article, and production method for processed article |
-
1994
- 1994-12-20 JP JP06335001A patent/JP3110963B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08175843A (en) | 1996-07-09 |
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