JPH05331002A - Controlling agent for microorganism and method for controlling microorganism - Google Patents
Controlling agent for microorganism and method for controlling microorganismInfo
- Publication number
- JPH05331002A JPH05331002A JP14036492A JP14036492A JPH05331002A JP H05331002 A JPH05331002 A JP H05331002A JP 14036492 A JP14036492 A JP 14036492A JP 14036492 A JP14036492 A JP 14036492A JP H05331002 A JPH05331002 A JP H05331002A
- Authority
- JP
- Japan
- Prior art keywords
- controlling
- microorganisms
- microorganism
- dimethylamine
- epichlorohydrin
- 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.)
- Granted
Links
- 244000005700 microbiome Species 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 9
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims abstract description 26
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- 239000004480 active ingredient Substances 0.000 claims abstract description 6
- 230000000813 microbial effect Effects 0.000 claims description 14
- 150000002009 diols Chemical class 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 241000195493 Cryptophyta Species 0.000 abstract description 8
- 241000894006 Bacteria Species 0.000 abstract description 5
- BSSVGSNJRDOYQS-UHFFFAOYSA-N 2-bromo-2-nitropropanedial Chemical compound [O-][N+](=O)C(Br)(C=O)C=O BSSVGSNJRDOYQS-UHFFFAOYSA-N 0.000 abstract 1
- LVDKZNITIUWNER-UHFFFAOYSA-N Bronopol Chemical compound OCC(Br)(CO)[N+]([O-])=O LVDKZNITIUWNER-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 231100000053 low toxicity Toxicity 0.000 description 4
- 241000195651 Chlorella sp. Species 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 241000195649 Chlorella <Chlorellales> Species 0.000 description 2
- 230000002353 algacidal effect Effects 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002147 killing effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 231100000017 mucous membrane irritation Toxicity 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- JLHMJWHSBYZWJJ-UHFFFAOYSA-N 1,2-thiazole 1-oxide Chemical compound O=S1C=CC=N1 JLHMJWHSBYZWJJ-UHFFFAOYSA-N 0.000 description 1
- NIFDAHUNJVFZAY-UHFFFAOYSA-N 1-nitropropane-1,3-diol Chemical compound OCCC(O)[N+]([O-])=O NIFDAHUNJVFZAY-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 206010040880 Skin irritation Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000003619 algicide Substances 0.000 description 1
- 230000001098 anti-algal effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 231100000475 skin irritation Toxicity 0.000 description 1
- 230000036556 skin irritation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、産業用製品生産工程や
ビル等の温度調節設備における、熱交換水系等の循環水
系内に藻類や細菌類などの微生物が発生することを防止
し、スライムの形成を抑制するための低毒性で安全な微
生物防除剤及び微生物防除方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention prevents generation of microorganisms such as algae and bacteria in a circulating water system such as a heat exchange water system in a temperature control facility such as an industrial product manufacturing process or a building, and slime. TECHNICAL FIELD The present invention relates to a low toxic and safe microbial control agent and a microbial control method for inhibiting the formation of microbial formation.
【０００２】[0002]
【従来の技術】従来、製紙パルプ工場の抄紙工程、金属
加工油循環工程、工業用冷却水循環工程、並びに水性塗
料、紙用塗工液、捺染糊等の工業用含水製品において、
藻類、細菌類その他の微生物が繁殖しやすく、種々の障
害を引き起こすことが知られている。特に循環使用され
ている用水系では粘泥物、即ちスライムが発生すると配
管内の流れを阻害し、冷却効率を低下させるなどの経済
的な損失につながることが知られている。2. Description of the Related Art Conventionally, in a papermaking process in a paper pulp mill, a metal working oil circulation process, an industrial cooling water circulation process, and an industrial water-containing product such as an aqueous paint, a paper coating liquid, and a printing paste,
It is known that algae, bacteria and other microorganisms easily propagate and cause various disorders. In particular, it is known that in a water system that is circulated and used, if mud, that is, slime is generated, the flow in the pipe is hindered, which leads to economical loss such as reduction in cooling efficiency.
【０００３】そのために、有害微生物の防除剤として従
来から水銀、錫等の重金属を含む有機金属化合物が使用
されてきたが、これらは毒性が強く環境保全の面からも
好ましくない。また、4 級アンモニウム化合物やイソチ
アゾロンなども同様な目的で用いられている。しかし、
前者では泡立ちが激しく、後者では毒性、皮膚刺激性、
粘膜刺激性が強く、取扱いにくい欠点がある。一方、２
−ブロモ−２−ニトロプロパン−1,3 ジオールは特公昭
58−4682により低毒性の殺菌剤として知られており、ま
たジメチルアミンとエピクロルヒドリンとの縮合ポリマ
ーが特開平３−186391によりスライムコントロール剤と
して公知である。しかし、これらを用水系に対して単独
で使用しても高濃度としないと充分な殺藻効果を得るこ
とができなかった。Therefore, organometallic compounds containing heavy metals such as mercury and tin have been conventionally used as a control agent for harmful microorganisms, but they are not preferable in view of environmental protection because they are highly toxic. In addition, quaternary ammonium compounds and isothiazolone are also used for the same purpose. But,
In the former case, foaming is severe, and in the latter case, toxicity, skin irritation,
Mucous membrane irritation is strong and it is difficult to handle. On the other hand, 2
-Bromo-2-nitropropane-1,3 diol
58-4682 is known as a low-toxicity bactericide, and a condensation polymer of dimethylamine and epichlorohydrin is known as a slime control agent by JP-A-3-186391. However, even if they were used alone in the water system, a sufficient algaecide effect could not be obtained unless the concentration was high.
【０００４】[0004]
【発明が解決しようとする課題】しかし上記技術の防
菌、防藻剤は、毒性や粘膜刺激性があるので高濃度で使
用する必要があるときには衛生上の問題が生ずるほか、
使用に際しても取扱いにくいなどの欠点がある。そこで
本発明は、循環水系内の藻類や細菌類を低濃度で防除す
ることができる低毒性の微生物防除剤及びかかる微生物
防除剤を用いる微生物防除方法を提供することを目的と
した。However, the antibacterial and antialgal agents of the above-mentioned technology have toxicity and mucous membrane irritation, and therefore, when it is necessary to use at a high concentration, a hygiene problem occurs.
There are drawbacks such as difficulty in handling during use. Therefore, an object of the present invention is to provide a low-toxicity microbial control agent capable of controlling algae and bacteria in a circulating water system at a low concentration, and a microbial control method using such a microbial control agent.
【０００５】[0005]
【課題を解決するための手段】本発明は上述の目的を達
成するために鋭意研究を進めた結果、２−ブロモ−２−
ニトロプロパン−1,3 ジオール（Ａ）と、ジメチルアミ
ンとエピクロルヒドリンとの縮合ポリマー（Ｂ）を適宜
配合して使用することにより，低毒性で取扱い易く，低
濃度で充分微生物防除効果を有することを発見し、本発
明を完成した。すなわち、本発明の微生物防除剤は２−
ブロモ−２−ニトロプロパン−1,3 ジオール（Ａ）と、
ジメチルアミンとエピクロルヒドリンとの縮合ポリマー
（Ｂ）とを少なくも有効成分として含有するものであっ
て、これらの有効成分を配合することにより相乗効果を
高め、微生物防除対象水系に添加する微生物防除方法を
提供するものである。DISCLOSURE OF THE INVENTION As a result of earnest research to achieve the above-mentioned object, the present invention has revealed that 2-bromo-2-
By appropriately blending and using nitropropane-1,3 diol (A) and a condensation polymer (B) of dimethylamine and epichlorohydrin, it is possible to have low toxicity, easy handling, and sufficient microbial control effect at low concentration. Discovered and completed the present invention. That is, the microbial control agent of the present invention is 2-
Bromo-2-nitropropane-1,3 diol (A),
A method for controlling microorganisms, which comprises a condensation polymer (B) of dimethylamine and epichlorohydrin as at least an active ingredient, and enhances the synergistic effect by blending these active ingredients to add to the water system to be controlled by microorganisms. It is provided.
【０００６】本発明の微生物防除剤における２−ブロモ
−２−ニトロプロパン1,3 ジオール（Ａ）と、ジメチル
アミンとエピクロルヒドリンとの縮合ポリマー（Ｂ）の
配合重量比は100 ：１〜１：５、望ましくは20：１〜
１：１の範囲内であることが微生物防除効果の点から好
ましく、またジメチルアミンとエピクロルヒドリンとの
縮合ポリマー（Ｂ）の平均分子量は1000〜100000の範囲
内であることが望ましい。またかかる微生物防除剤を使
用して微生物を防除するに当たっては、微生物防除対象
水系への有効成分添加量が１ mg/l 〜200 mg/lの範囲内
であることが好ましい。In the microbial control agent of the present invention, the compounding weight ratio of 2-bromo-2-nitropropane 1,3 diol (A) and the condensation polymer (B) of dimethylamine and epichlorohydrin is 100: 1 to 1: 5. , Preferably 20: 1
It is preferably within the range of 1: 1 from the viewpoint of the effect of controlling microorganisms, and the average molecular weight of the condensation polymer (B) of dimethylamine and epichlorohydrin is preferably within the range of 1,000 to 100,000. In controlling microorganisms using such a microbial control agent, the amount of active ingredient added to the microbial control target water system is preferably in the range of 1 mg / l to 200 mg / l.
【０００７】[0007]
【作用】本発明の微生物防除剤は長期の安定性に優れ、
毒性の問題もなく安全で取扱い易く、用水に対して低い
添加量でも充分藻類や細菌類の防除作用を有する。[Function] The microbial control agent of the present invention has excellent long-term stability,
It is safe and easy to handle with no toxicity problems, and has a sufficient algae and bacteria control action even with a small amount added to water.
【０００８】[0008]
（試験例１）２倍に希釈したデトマー（Ｄetomer）培地
中に、前培養したクロレラsp. を１ ml 当たりの乾燥重
量が 0.2 mg となるように懸濁し、Ｌ型試験管に 15 ml
ずつ分注した。２−ブロモ−２−ニトロプロパン−1,3
ジオールを50〜100 mg/lとなるように10 mg/l きざみで
添加し、またジメチルアミンとエピクロルヒドリンとの
縮合ポリマー（平均分子量 10000）を５〜10 mg/l とな
るように１ mg/l きざみで添加した後、これらを10000
lxの光を照射して30 rpmで振とうしながら、30℃で７日
間培養を行った。７日後のクロレラsp. の色調を観察し
て緑色が消失して微黄白となる最低の濃度を求めて殺藻
力とした。こうして得た各薬剤の殺藻力（最低殺藻濃
度）は、２−ブロモ−２−ニトロプロパン−1,3 ジオー
ルが 80 mg/l、ジメチルアミンとエピクロルヒドリンと
の縮合ポリマーが９ mg/l であった。(Test Example 1) Precultured Chlorella sp. Was suspended in a 2 times diluted Detomer medium so that the dry weight was 0.2 mg per ml, and 15 ml was placed in an L-shaped test tube.
We dispensed each. 2-Bromo-2-nitropropane-1,3
Add diol in increments of 10 mg / l to give 50-100 mg / l, and add 1 mg / l of condensation polymer of dimethylamine and epichlorohydrin (average molecular weight 10000) to 5-10 mg / l. After adding them in steps,
The cells were cultured at 30 ° C for 7 days while irradiating with lx light and shaking at 30 rpm. After 7 days, the color tone of Chlorella sp. The algicidal activity (minimum algicidal concentration) of each drug thus obtained was 80 mg / l for 2-bromo-2-nitropropane-1,3 diol and 9 mg / l for the condensation polymer of dimethylamine and epichlorohydrin. there were.
【０００９】( 試験例２）試験例１で使用したと同様の
クロレラ懸濁培地に、２−ブロモ−２−ニトロプロパン
−1,3 ジオールを０、10、20、30、50、80 mg/l 添加し
た試験区を設け、それぞれの試験区に更にジメチルアミ
ンとエピクロルヒドリンとの縮合ポリマーを１ mg/l き
ざみで添加、配合し、クロレラsp. を殺藻するに必要な
最低濃度を求めた。こうして得た２−ブロモ−２−ニト
ロプロパン−1,3 ジオールの各添加濃度に対応するジメ
チルアミンとエピクロルヒドリンとの縮合ポリマーの最
低添加濃度（配合量）の関係を表１に示した。Test Example 2 2-Bromo-2-nitropropane-1,3 diol was added to a chlorella suspension medium similar to that used in Test Example 1 with 0, 10, 20, 30, 50, 80 mg / l added test sections were added, and a condensation polymer of dimethylamine and epichlorohydrin was further added to each test section at 1 mg / l increments and blended to obtain the minimum concentration necessary for algae killing Chlorella sp. Table 1 shows the relationship between the minimum addition concentration (blending amount) of the condensation polymer of dimethylamine and epichlorohydrin corresponding to each addition concentration of the 2-bromo-2-nitropropane-1,3 diol thus obtained.
【００１０】[0010]
【表１】 [Table 1]
【００１１】この結果から、２−ブロモ−２−ニトロプ
ロパン−1,3 ジオ−ルと、ジメチルアミンとエピクロロ
ヒドリンとの縮合ポリマ−を配合して使用することによ
り、それぞれ単独で使用するよりも、はるかに相乗効果
が大きく、低濃度で効率良くクロレラなどの藻類や藻菌
類等の微生物を殺滅できることがわかる。From these results, 2-bromo-2-nitropropane-1,3 diol and a condensation polymer of dimethylamine and epichlorohydrin were blended and used, and they were used individually. It is understood that the synergistic effect is much larger than that of the above, and that algae such as Chlorella and microorganisms such as algae can be killed efficiently at a low concentration.
【００１２】[0012]
【発明の効果】本発明の微生物防除剤は、用水に対して
低濃度の使用で充分な殺滅効果を発揮し、低毒性で安全
なため、使用し易く、長期の使用にも安定で、効果的に
スライムの発生を抑制することができる。EFFECTS OF THE INVENTION The microbial control agent of the present invention exhibits a sufficient killing effect when used at a low concentration in water, has low toxicity and is safe, and therefore easy to use and stable for long-term use. It is possible to effectively suppress the generation of slime.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ａ０１Ｎ 33:04） ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display area A01N 33:04)
Claims (2)
３ジオール（Ａ）と、ジメチルアミンとエピクロルヒド
リンとの縮合ポリマー（Ｂ）とを少なくも有効成分とし
て含有することを特徴とする微生物防除剤。1. 2-Bromo-2-nitropropane-1,
A microbial control agent comprising 3 diol (A) and a condensation polymer (B) of dimethylamine and epichlorohydrin as at least active ingredients.
３ジオール（Ａ）と、ジメチルアミンとエピクロルヒド
リンとの縮合ポリマー（Ｂ）とを、微生物防除対象水系
に添加することを特徴とする微生物防除方法。2. 2-Bromo-2-nitropropane-1,
A method for controlling microorganisms, which comprises adding 3 diol (A) and a condensation polymer (B) of dimethylamine and epichlorohydrin to an aqueous system for controlling microorganisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14036492A JP3131023B2 (en) | 1992-06-01 | 1992-06-01 | Algae controlling agent and algal controlling method using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14036492A JP3131023B2 (en) | 1992-06-01 | 1992-06-01 | Algae controlling agent and algal controlling method using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05331002A true JPH05331002A (en) | 1993-12-14 |
| JP3131023B2 JP3131023B2 (en) | 2001-01-31 |
Family
ID=15267109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14036492A Expired - Lifetime JP3131023B2 (en) | 1992-06-01 | 1992-06-01 | Algae controlling agent and algal controlling method using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3131023B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1002194C2 (en) * | 1995-01-31 | 1999-01-26 | Mitsubishi Chem Corp | Means and method for preserving the freshness of cut flowers. |
| JP2013151566A (en) * | 2013-05-13 | 2013-08-08 | Aquas Corp | Microorganism controlling agent and microorganism controlling method |
-
1992
- 1992-06-01 JP JP14036492A patent/JP3131023B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1002194C2 (en) * | 1995-01-31 | 1999-01-26 | Mitsubishi Chem Corp | Means and method for preserving the freshness of cut flowers. |
| JP2013151566A (en) * | 2013-05-13 | 2013-08-08 | Aquas Corp | Microorganism controlling agent and microorganism controlling method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3131023B2 (en) | 2001-01-31 |
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