JP3166277B2 - Antimicrobial composition - Google Patents
Antimicrobial compositionInfo
- Publication number
- JP3166277B2 JP3166277B2 JP06457692A JP6457692A JP3166277B2 JP 3166277 B2 JP3166277 B2 JP 3166277B2 JP 06457692 A JP06457692 A JP 06457692A JP 6457692 A JP6457692 A JP 6457692A JP 3166277 B2 JP3166277 B2 JP 3166277B2
- Authority
- JP
- Japan
- Prior art keywords
- antibacterial
- resin
- weight
- parts
- silica gel
- 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 - Lifetime
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は、抗菌性組成物に関す
る。This invention relates to antimicrobial compositions.
【０００２】[0002]
【従来の技術】近年、合成樹脂製品が多用されるにいた
り、例えば、台所用品等のように衛生面で注意を払う必
要がある分野に用いられる場合に、合成樹脂表面の菌に
よる汚染が問題となってきている。また建築用資材とし
て使用されているコーキング材表面に菌やかびがはえ、
衛生面で、あるいは外観が悪くなる、等の問題が生じて
いる。その対策として合成樹脂中に抗菌性組成物を混入
し、合成樹脂表面にこの組成物を溶出させて樹脂表面の
殺菌を行う方法が用いられている。2. Description of the Related Art In recent years, when synthetic resin products are frequently used, or when used in a field that requires attention to hygiene such as kitchen utensils, contamination of the surface of the synthetic resin by bacteria is a problem. It is becoming. In addition, fungi and mold grow on the surface of caulking materials used as building materials,
There have been problems such as hygiene and poor appearance. As a countermeasure, a method has been used in which an antibacterial composition is mixed into a synthetic resin and the composition is eluted on the surface of the synthetic resin to sterilize the resin surface.
【０００３】合成樹脂中の抗菌抗かび材料を積極的に溶
出させ、この樹脂表面およびその周囲に対して殺菌殺か
び効果を得るためには、チアベンダゾール等の有機抗菌
抗かび材料が用いられる。In order to positively elute the antibacterial and antifungal material in the synthetic resin and obtain a bactericidal and fungicidal effect on the resin surface and its surroundings, an organic antibacterial and antifungal material such as thiabendazole is used.
【０００４】[0004]
【発明が解決しようとする課題】このような従来の無機
系抗菌材料は、その表面が親水性となるため樹脂中に混
練した場合も樹脂表面に親水性部分が出てくる。そのた
め樹脂表面に汚れが付着し易いという問題があった。Since the surface of such a conventional inorganic antibacterial material becomes hydrophilic, a hydrophilic portion appears on the resin surface even when kneaded in the resin. Therefore, there is a problem that dirt easily adheres to the resin surface.
【０００５】本発明は、上記問題点に鑑み、樹脂表面上
で安定した抗菌効果を示す抗菌性組成物を提供するこ
と、また樹脂中より溶出しても環境汚染の原因となりに
くい抗菌性組成物を提供することを目的とする。In view of the above problems, the present invention provides an antimicrobial composition exhibiting a stable antimicrobial effect on the surface of a resin, and an antimicrobial composition which does not easily cause environmental pollution even if it is eluted from the resin. The purpose is to provide.
【０００６】[0006]
【課題を解決するための手段】本発明は上記目的を達成
するために、抗菌剤の表面の少なくとも一部をフロロア
リルアルコキシシランの加水分解物で被覆する構成であ
る。また、抗菌剤は無機酸化物に抗菌性材料を吸着担持
させた構成である。またフロロアリルアルコキシシラン
は、トリフロロプロピルトリメトキシシランである構成
である。Means for Solving the Problems In order to achieve the above object, the present invention has a constitution in which at least a part of the surface of an antibacterial agent is coated with a hydrolyzate of fluoroallylalkoxysilane. The antibacterial agent has a structure in which an antibacterial material is adsorbed and supported on an inorganic oxide. Further, the fluoroallylalkoxysilane has a configuration that is trifluoropropyltrimethoxysilane.
【０００７】[0007]
【作用】本発明は上記した構成により、抗菌剤の表面の
少なくとも一部に撥水性を付与することにより、樹脂表
面に汚れを付着させにくいものである。また、無機系の
抗菌剤を使用するために安定した抗菌効果を示す抗菌性
組成物を得られ、樹脂中より溶出しても環境汚染の原因
となりにくいものである。According to the present invention, by imparting water repellency to at least a part of the surface of the antibacterial agent, dirt is hardly adhered to the resin surface. Further, since an inorganic antibacterial agent is used, an antibacterial composition exhibiting a stable antibacterial effect can be obtained, and even if eluted from the resin, it does not easily cause environmental pollution.
【０００８】[0008]
【実施例】以下、本発明の実施例について説明する。Embodiments of the present invention will be described below.
【０００９】（実施例１）酢酸銀などの水溶性銀塩１０
０重量部、亜硫酸ナトリウムおよび亜硫酸水素ナトリウ
ムの混合物４５０重量部、およびチオ硫酸ナトリウムの
水溶性塩３００重量部を塩素を含まない水に加えて溶解
させ、充分撹拌しながら混合し銀錯塩水溶液を得た。な
お、チオ硫酸ナトリウムの重量は、その水和物Ｎａ2Ｓ2
Ｏ3・５Ｈ2Ｏの重量として示される。(Example 1) Water-soluble silver salt 10 such as silver acetate
0 parts by weight, 450 parts by weight of a mixture of sodium sulfite and sodium bisulfite, and 300 parts by weight of a water-soluble salt of sodium thiosulfate are added to chlorine-free water and dissolved, and mixed with sufficient stirring to obtain an aqueous silver complex salt solution. Was. The weight of sodium thiosulfate is based on its hydrate Na 2 S 2
O 3 · 5H indicated as weight of 2 O.
【００１０】本実施例に用いる担体は、「ＪＩＳ Ｚ
０７０１包装用シリカゲル乾燥剤」に記載のＢ型のシリ
カゲル粉末である。このＢ型シリカゲル粉末は、低湿度
では吸湿率が低く、高湿度では吸湿率が高く、かつ高湿
度における総吸湿量の高いシリカゲル粉末であり、その
平均粒径は８μｍ程度である。The carrier used in this embodiment is "JIS Z".
0701 silica gel desiccant for packaging ". The B-type silica gel powder has a low moisture absorption rate at low humidity, a high moisture absorption rate at high humidity, and a high total moisture absorption at high humidity, and has an average particle size of about 8 μm.
【００１１】このシリカゲル粉末を１８０℃で２時間以
上乾燥させた。上記シリカゲル１００重量部に対し、銀
成分として２重量部になるように前記チオスルファト銀
錯塩水溶液を混合した。次いで、速やかに溶媒および担
体中に吸収された水分を除去した。次いで、これを所定
の粒径に粉砕して、抗菌性材料が担持したシリカゲルを
得た。The silica gel powder was dried at 180 ° C. for 2 hours or more. The silver thiosulfato solution was mixed with 100 parts by weight of the above silica gel so that the silver component was 2 parts by weight. Next, the water absorbed in the solvent and the carrier was promptly removed. Next, this was pulverized to a predetermined particle size to obtain silica gel carrying an antibacterial material.
【００１２】フロロアリルアルコキシシランとしてトリ
フロロプロピルトリメトキシシラン１００重量部をエチ
ルアルコールに希釈混合させた溶液に、上記シリカゲル
１００重量部を分散させた後、これに純水を加えてトリ
フロロプロピルトリメトキシシランを加水分解させ、上
記シリカゲルの表面の少なくとも１部をコーティングし
た。次いでこれを乾燥させて抗菌性組成物を得た。[0012] 100 parts by weight of the above silica gel is dispersed in a solution obtained by diluting and mixing 100 parts by weight of trifluoropropyltrimethoxysilane as fluoroallylalkoxysilane with ethyl alcohol, and then pure water is added thereto to add trifluoropropyltrichlorosilane. The methoxysilane was hydrolyzed to coat at least a portion of the surface of the silica gel. Next, this was dried to obtain an antibacterial composition.
【００１３】上記の方法で製造した抗菌性組成物を、不
飽和ポリエステル樹脂の成型時に、樹脂１００重量部
に、前記抗菌性組成物５重量物を均一に分散させ、樹脂
を成形し、成型体を得た。この樹脂成型体について下記
に示すような抗菌試験、防汚性を評価する樹脂表面の接
触角を測定する試験を行った。その結果を（表１）に示
す。When the antibacterial composition produced by the above method is molded into an unsaturated polyester resin, 5 parts by weight of the antibacterial composition is uniformly dispersed in 100 parts by weight of the resin, and the resin is molded. I got An antibacterial test and a test for measuring a contact angle of a resin surface for evaluating antifouling property were performed on the resin molded body as described below. The results are shown in (Table 1).
【００１４】[0014]
【表１】 [Table 1]
【００１５】（表１）より、本実施例の抗菌性組成物は
実用的な抗菌性能、防汚性能を有することがわかる。From Table 1, it can be seen that the antibacterial composition of this example has practical antibacterial performance and antifouling performance.
【００１６】抗菌試験は、大腸菌Escherichia coli、黄
色ブドウ状球菌Stphylococcus aureus、枯草菌Bacillus
subtillisを用い、ハローテスト法に準じた。評価は７
日後に行った。Antibacterial tests were carried out on Escherichia coli, Staphylococcus aureus, and Bacillus Bacillus.
Using the subtillis , the halo test method was followed . Rating is 7
Days later went.
【００１７】上記実施例においては抗菌性材料としてチ
オスルファト銀錯塩を用いたが、植物抽出物、第４級ア
ンモニウム塩、グルコン酸クロルヘキシジンなどの抗菌
性材料を用いることもできる。また複数の抗菌性材料を
用いることもできる。In the above embodiment, silver thiosulfato complex was used as the antibacterial material. However, antibacterial materials such as plant extracts, quaternary ammonium salts, and chlorhexidine gluconate can also be used. Also, a plurality of antibacterial materials can be used.
【００１８】上記銀錯塩を調製するため水溶性銀塩とし
て硝酸銀を用いることも可能である。亜硫酸塩として亜
硫酸カリウム、亜硫酸アンモニウム等を、亜硫酸水素塩
として、亜硫酸水素カリウム、メタ亜硫酸カリウム、亜
硫酸水素アンモニウム等を用いることも可能である。亜
硫酸塩と亜硫酸水素塩は各々単独あるいは混合物として
用いることもでき、その量は上記水溶性銀塩１００重量
部に対して４００〜２０００重量部が適当である。チオ
硫酸塩としてはチオ硫酸アンモニウムを用いることも可
能であり、その量は１００〜１０００重量部が適当であ
る。Ｂ型シリカゲル紛末の平均粒径は１〜１０μｍが適
当である。シリカゲル１００重量部に対する銀の量は２
〜１０重量部が適当である。フロロアリルアルコキシシ
ランの量としては１０〜２００重量部が適当である。In order to prepare the silver complex salt, silver nitrate can be used as a water-soluble silver salt. It is also possible to use potassium sulfite, ammonium sulfite, and the like as the sulfite, and potassium hydrogen sulfite, potassium meta sulfite, ammonium bisulfite, and the like as the hydrogen sulfite. The sulfite and the hydrogen sulfite can be used alone or as a mixture, and the amount is suitably 400 to 2,000 parts by weight based on 100 parts by weight of the water-soluble silver salt. Ammonium thiosulfate can be used as the thiosulfate, and its amount is suitably from 100 to 1000 parts by weight. The average particle size of the B-type silica gel powder is suitably from 1 to 10 μm. The amount of silver per 100 parts by weight of silica gel is 2
10 to 10 parts by weight is suitable. The amount of the fluoroallylalkoxysilane is suitably from 10 to 200 parts by weight.
【００１９】（実施例２）実施例１と同様の方法で、抗
菌性材料が担持したシリカゲルを得た。(Example 2) In the same manner as in Example 1, silica gel carrying an antibacterial material was obtained.
【００２０】フロロアリルアルコキシシランとしてトリ
フロロプロピルトリメトキシシラン５０重量部、テトラ
エトキシシラン等のテトラアルコキシシランを５０重量
部それぞれを１００重量部のエチルアルコールに希釈混
合させた溶液に、上記シリカゲル１００重量部を分散さ
せた後、これに純水を加えてトリフロロプロピルトリメ
トキシシラン、テトラエトキシシランを加水分解させ、
上記シリカゲルの表面の少なくとも１部をコーティング
した。次いでこれを乾燥させて抗菌性組成物を得た。100 parts by weight of a solution obtained by diluting 50 parts by weight of trifluoropropyltrimethoxysilane as a fluoroallylalkoxysilane and 50 parts by weight of a tetraalkoxysilane such as tetraethoxysilane in 100 parts by weight of ethyl alcohol was mixed with 100 parts by weight of the above silica gel. After dispersing the part, trifluoropropyltrimethoxysilane, tetraethoxysilane is hydrolyzed by adding pure water to this,
At least a part of the surface of the silica gel was coated. Next, this was dried to obtain an antibacterial composition.
【００２１】上記の方法で製造した抗菌性組成物を、ポ
リプロピレン樹脂の成型時に、樹脂１００重量部に、１
重量部を均一に分散させ、樹脂を成形し、成型体を得
た。この樹脂成型体について実施例１と同様な抗菌試
験、防汚性を評価する樹脂表面の接触角を測定する試験
を行った。その結果実施例１と同様な結果を得、本実施
例の抗菌組成物は実用的な抗菌性能、防汚性能を有する
ことがわかる。The antibacterial composition produced by the above method is mixed with 100 parts by weight of a resin at the time of molding a polypropylene resin.
The parts by weight were uniformly dispersed, and the resin was molded to obtain a molded body. This resin molded article was subjected to the same antibacterial test and the test for measuring the contact angle of the resin surface for evaluating the antifouling property as in Example 1. As a result, the same results as in Example 1 were obtained, and it was found that the antibacterial composition of this example had practical antibacterial performance and antifouling performance.
【００２２】本実施例では、フロロアリルアルコキシシ
ランとしてトリフロロプロピルトリメトキシシランを用
いたが、トリフロロプロピルトリエトキシシランなど他
のフロロアリルアルコキシシランを用いても同様の結果
が得られた。In this example, trifluoropropyltrimethoxysilane was used as the fluoroallylalkoxysilane, but similar results were obtained when other fluoroallylalkoxysilanes such as trifluoropropyltriethoxysilane were used.
【００２３】[0023]
【発明の効果】以上の説明から明らかなように、本発明
によれば抗菌性組成物の表面の少なくとも一部をフロロ
アリルアルコキシシランの加水分解物で被覆することに
より、その表面に撥水性を付与し、樹脂中に混練した場
合、樹脂表面に出た抗菌性組成物に撥水性があることに
より汚れが付着しにくい樹脂を提供できる。As is apparent from the above description, according to the present invention, at least a part of the surface of the antibacterial composition is coated with a hydrolyzate of fluoroallylalkoxysilane to impart water repellency to the surface. When applied and kneaded into the resin, the antimicrobial composition exposed on the resin surface has water repellency, so that a resin to which dirt is hardly adhered can be provided.
【００２４】また、無機系の抗菌剤を使用するため、安
定した抗菌効果を示す抗菌性組成物を得られ、樹脂中よ
り溶出しても環境汚染の原因となりにくく抗菌性樹脂を
提供できる。In addition, since an inorganic antibacterial agent is used, an antibacterial composition exhibiting a stable antibacterial effect can be obtained, and even if eluted from the resin, it does not easily cause environmental pollution, and an antibacterial resin can be provided.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−7747（ＪＰ，Ａ) 特開 平３−176423（ＪＰ，Ａ) 特開 平４−5207（ＪＰ，Ａ) 特開 平６−87710（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) A01N 25/26 A01N 25/08 ──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-62-27747 (JP, A) JP-A-3-176423 (JP, A) JP-A-4-5207 (JP, A) JP-A-6-77 87710 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) A01N 25/26 A01N 25/08
Claims (3)
解物で抗菌剤の表面の少なくとも一部を被覆することを
特徴とする抗菌性組成物。1. An antibacterial composition characterized by covering at least a part of the surface of an antibacterial agent with a hydrolyzate of a fluoroalkylalkoxysilane .
持させた構成であることを特徴とする請求項１記載の抗
菌性組成物。2. The antibacterial composition according to claim 1, wherein the antibacterial agent has a constitution in which an antibacterial material is adsorbed and carried on an inorganic oxide.
フロロプロピルトリメトキシシランであることを特徴と
する請求項１記載の抗菌性組成物。3. A fluoroalkyl alkoxysilane antimicrobial composition of claim 1, wherein it is a trifluoropropyl trimethoxy silane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06457692A JP3166277B2 (en) | 1992-03-23 | 1992-03-23 | Antimicrobial composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06457692A JP3166277B2 (en) | 1992-03-23 | 1992-03-23 | Antimicrobial composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05262603A JPH05262603A (en) | 1993-10-12 |
| JP3166277B2 true JP3166277B2 (en) | 2001-05-14 |
Family
ID=13262202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06457692A Expired - Lifetime JP3166277B2 (en) | 1992-03-23 | 1992-03-23 | Antimicrobial composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3166277B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6440568B1 (en) | 1997-05-27 | 2002-08-27 | Nippon Arc Co., Ltd. | Plastic lenses and primer composition used for coating the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5429819A (en) * | 1992-10-14 | 1995-07-04 | Matsushita Electric Industrial Co., Ltd. | Antiviral composition |
-
1992
- 1992-03-23 JP JP06457692A patent/JP3166277B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6440568B1 (en) | 1997-05-27 | 2002-08-27 | Nippon Arc Co., Ltd. | Plastic lenses and primer composition used for coating the same |
| CN100439939C (en) * | 1997-05-27 | 2008-12-03 | Sdc技术－亚洲株式会社 | Plastic lenses and primer composition used for coating the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05262603A (en) | 1993-10-12 |
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