JPH05262603A - Antimicrobial composition - Google Patents
Antimicrobial compositionInfo
- Publication number
- JPH05262603A JPH05262603A JP4064576A JP6457692A JPH05262603A JP H05262603 A JPH05262603 A JP H05262603A JP 4064576 A JP4064576 A JP 4064576A JP 6457692 A JP6457692 A JP 6457692A JP H05262603 A JPH05262603 A JP H05262603A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- antibacterial
- composition
- weight
- antimicrobial
- 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.)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
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。FIELD OF THE INVENTION The present invention relates to an antibacterial composition.
【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 have been heavily used, and when they are used in fields in which hygiene needs to be paid attention, such as kitchen appliances, contamination of the surface of the synthetic resin by bacteria is a problem. Is becoming. In addition, fungi and mold build up on the surface of caulking materials used as building materials,
There are problems such as poor hygiene and poor appearance. As a countermeasure against this, a method is used in which an antibacterial composition is mixed in 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。An organic antibacterial and antifungal material such as thiabendazole is used in order to positively elute the antibacterial and antifungal material in the synthetic resin and obtain a bactericidal and fungicidal effect on the surface of the resin and its surroundings.
【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 is hydrophilic, a hydrophilic portion appears on the surface of the resin even when kneaded in the resin. Therefore, there is a problem in that dirt easily attaches 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 antibacterial composition exhibiting a stable antibacterial effect on the surface of a resin, and an antibacterial composition which is less likely to cause environmental pollution even when 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。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 constitution of being 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。The present invention has the above-described structure, and imparts water repellency to at least a part of the surface of the antibacterial agent, thereby making it difficult for dirt to adhere to the resin surface. Further, since an inorganic antibacterial agent is used, an antibacterial composition having a stable antibacterial effect can be obtained, and even if it is eluted from the resin, it is unlikely to 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。EXAMPLES Examples 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 were added to water containing no chlorine and dissolved, and mixed with sufficient stirring to obtain an aqueous silver complex salt solution. It was The weight of sodium thiosulfate is the hydrate Na 2 S 2
It is shown as the weight of O 3 .5H 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 example is "JIS Z
B-type silica gel powder described in "0701 Silica gel desiccant for packaging". This B-type silica gel powder is a silica gel powder having a low moisture absorption rate at low humidity, a high moisture absorption rate at high humidity, and a high total moisture absorption amount at high humidity, and its average particle size is 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 thiosulfato silver complex salt aqueous solution was mixed with 100 parts by weight of the silica gel so that the silver component was 2 parts by weight. Then, the water absorbed in the solvent and the carrier was promptly removed. Then, 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。100 parts by weight of the above silica gel was dispersed in a solution prepared by diluting 100 parts by weight of trifluoropropyltrimethoxysilane as a fluoroallylalkoxysilane in ethyl alcohol, and pure water was added to this to add trifluoropropyltrisilane. The methoxysilane was hydrolyzed and coated on at least part of the surface of the silica gel. Then, 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。The antibacterial composition produced by the above method is uniformly dispersed in 100 parts by weight of the resin when the unsaturated polyester resin is molded, and the resin is molded into a molded product. Got The resin molded body was subjected to the following antibacterial test and a test for measuring the contact angle of the resin surface to evaluate the antifouling property. 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 and antifouling properties.
【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。[0016] antibacterial test, E. coli Escherichia coli, Staphylococcus aureus Stphylococcus aureus, Bacillus subtilis Bacillus
According to the hello test method using subtillis . Evaluation is 7
Went a day later.
【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。Although the thiosulfato silver complex salt is used as the antibacterial material in the above-mentioned examples, an antibacterial material such as a plant extract, a quaternary ammonium salt, and chlorhexidine gluconate can also be used. It is also possible to use a plurality of antibacterial materials.
【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。It is also possible to use silver nitrate as a water-soluble silver salt for preparing the above silver complex salt. It is also possible to use potassium sulfite, ammonium sulfite or the like as the sulfite, and potassium hydrogen sulfite, potassium meta sulfite, ammonium hydrogen sulfite or the like as the hydrogen sulfite. The sulfite and the hydrogen sulfite may be used alone or as a mixture, and the amount thereof is suitably 400 to 2000 parts by weight with respect to 100 parts by weight of the above water-soluble silver salt. It is also possible to use ammonium thiosulfate as the thiosulfate, and the amount thereof is suitably 100 to 1000 parts by weight. The average particle size of the B-type silica gel powder is appropriately 1 to 10 μm. The amount of silver is 2 with respect to 100 parts by weight of silica gel.
-10 parts by weight is suitable. A suitable amount of the fluoroallylalkoxysilane is 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 By the same method 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。As a fluoroallylalkoxysilane, 50 parts by weight of trifluoropropyltrimethoxysilane and 50 parts by weight of tetraalkoxysilane such as tetraethoxysilane are diluted and mixed with 100 parts by weight of ethyl alcohol, and 100 parts by weight of the above silica gel is added. After dispersing the parts, pure water was added to this to hydrolyze trifluoropropyltrimethoxysilane and tetraethoxysilane,
At least a part of the surface of the silica gel was coated. Then, 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 was added to 100 parts by weight of the resin when molding the polypropylene resin.
Parts by weight were uniformly dispersed and the resin was molded to obtain a molded body. The resin molded body was subjected to the same antibacterial test as in Example 1 and a test for measuring the contact angle of the resin surface to evaluate the stain resistance. As a result, the same results as in Example 1 were obtained, indicating that the antibacterial composition of this example has practical antibacterial and antifouling properties.
【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 using other fluoroallylalkoxysilanes such as trifluoropropyltriethoxysilane.
【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, by coating at least a part of the surface of the antibacterial composition with a hydrolyzate of fluoroallylalkoxysilane, the surface is made water repellent. When applied and kneaded in the resin, the antibacterial composition exposed on the surface of the resin has water repellency, so that it is possible to provide a resin to which dirt is unlikely to adhere.
【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。Further, since an inorganic antibacterial agent is used, an antibacterial composition having a stable antibacterial effect can be obtained, and an antibacterial resin can be provided which hardly causes environmental pollution even if it is eluted from the resin.
Claims (3)
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 coating at least a part of the surface of an antibacterial agent with a hydrolyzate of fluoroallylalkoxysilane.
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 structure in which an antibacterial material is adsorbed and supported on an inorganic oxide.
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. The antibacterial composition according to claim 1, wherein the fluoroallylalkoxysilane is trifluoropropyltrimethoxysilane.
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 true JPH05262603A (en) | 1993-10-12 |
| JP3166277B2 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 |
|---|---|---|---|---|
| EP0593042A1 (en) * | 1992-10-14 | 1994-04-20 | Matsushita Electric Industrial Co., Ltd. | Antiviral composition |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332902A (en) * | 1997-05-27 | 1998-12-18 | Nippon Ee R C Kk | Plastic lens, its production and primer composition |
-
1992
- 1992-03-23 JP JP06457692A patent/JP3166277B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0593042A1 (en) * | 1992-10-14 | 1994-04-20 | Matsushita Electric Industrial Co., Ltd. | Antiviral composition |
| US5429819A (en) * | 1992-10-14 | 1995-07-04 | Matsushita Electric Industrial Co., Ltd. | Antiviral composition |
| US5516519A (en) * | 1992-10-14 | 1996-05-14 | Matsushita Electric Industrial Co., Ltd. | Antiviral composition |
| US5645846A (en) * | 1992-10-14 | 1997-07-08 | Matsushita Electric Industrial Co., Ltd. | Method of disinfecting an object and antiviral disinfection liquid therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3166277B2 (en) | 2001-05-14 |
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