JP4132807B2 - Iodine-based concentrated fungicidal composition - Google Patents
Iodine-based concentrated fungicidal composition Download PDFInfo
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- JP4132807B2 JP4132807B2 JP2001385920A JP2001385920A JP4132807B2 JP 4132807 B2 JP4132807 B2 JP 4132807B2 JP 2001385920 A JP2001385920 A JP 2001385920A JP 2001385920 A JP2001385920 A JP 2001385920A JP 4132807 B2 JP4132807 B2 JP 4132807B2
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Description
【０００１】
【発明の属する技術分野】
本発明は、ヨウ素系濃縮防殺菌剤組成物に関する。
【０００２】
【従来の技術】
従来、ヨウ素が防殺菌剤として効果があることが知られている。また、ヨウ素が水に難溶であることから、ヨウ化アルカリを添加して可溶化を行うという方法も知られている。しかしながら、このようにして調製したヨウ素系防殺菌剤は、溶液中のヨウ素が蒸発し易く、取り扱い時に毒性が生じるおそれがあるという問題を有している。
【０００３】
そこで、ヨウ素の蒸発を抑えるために、水溶性ポリマーあるいは界面活性剤を添加する方法が知られているが、これらの方法で調製される溶液中の有効ヨウ素濃度は、いずれも６質量％以下と低濃度であり、通常、ヨウ素を防殺菌剤として使用する場合のヨウ素濃度は０〜２００ppmであることから、使用時の希釈率が低く、このため、広い範囲の防殺菌を行うには大量の調製液が必要である。
【０００４】
一方、高濃度の調製液組成物を得る方法としては、例えば特開昭５６−７７２０９号公報に記載された構成が知られており、この特開昭５６−７７２０９号公報では、可溶化剤としてアミノ酸および水溶性ヨウ化物を用いてヨウ素を水に溶解させて有効ヨウ素濃度１〜２０質量％の調製液組成物を得ている。
【０００５】
【発明が解決しようとする課題】
しかしながら、上述の特開昭５６−７７２０９号公報に記載の調製液組成物を得る方法では、アミノ酸添加により、不添加と比較してヨウ素の蒸発による臭気の減少が認められるものの、大量を取り扱う際の臭気が依然大きく、また、高価なアミノ酸を添加ということから経済的に満足できるものではないという問題を有している。
【０００６】
本発明の目的は、経済的に安価で、かつ低臭気の高濃度に濃縮されたヨウ素系防殺菌剤組成物を提供することである。
【０００７】
【課題を解決するための手段】
本発明のヨウ素系濃縮防殺菌剤組成物は、ヨウ素およびヨウ化アルカリの可溶化物が、アルコール類および多価アルコール類の少なくともいずれか一方の水溶液中でさらに安定化し、ヨウ素の蒸発による臭気が著しく減少するとともに、ヨウ素のアルコール類および多価アルコール類の少なくともいずれか一方の水溶液中への溶解性が、低濃度よりも高濃度のほうが良いことから、１５質量％〜３０質量％のヨウ素と、このヨウ素に対してモル比が０．５〜２であるヨウ化アルカリと、前記ヨウ素およびヨウ化アルカリを溶解するアルコール類および多価アルコール類の少なくともいずれか一方の濃度が２５質量％〜９０質量％の水溶液とを有したものである。
【０００８】
【発明の実施の形態】
以下、本発明のヨウ素系濃縮防殺菌剤組成物の構成を説明する。
【０００９】
まず、使用するヨウ化アルカリは、ヨウ化リチウム、ヨウ化ナトリウム、あるいはヨウ化カリウムであり、この中、ブローイングアウト法により製造したヨウ素の吸収液あるいは有機ヨウ素化合物を酸あるいはアルカリで加水分解して得たヨウ素含有液より、電気透析で分離したヨウ化ナトリウム水溶液をそのままあるいは濃縮して用いることがより経済的に好ましい。ヨウ化アルカリの量は、少ないとヨウ素の溶解性が悪く、多いと経済的ではないことから、ヨウ素に対するモル比が０．５〜２の範囲、通常は０．８〜１．５である。
【００１０】
次いで、使用するアルコール類は、メタノール、エタノール、ｎ−プロパノールおよびiso−プロパノールである。また、使用する多価アルコール類は、エチレングリコール、プロピレングリコール、1.3−プロパンジオール、1.3−ブタンジオール、1.4−ブタンジオールおよびグリセリンである。ここで、アルコール類および多価アルコール類の少なくともいずれか一方の水溶液中のアルコール類および多価アルコール類の少なくともいずれか一方の濃度は、薄いとヨウ素の蒸発による臭気が大きく、濃いとヨウ素が溶解しないことから２５〜９０質量％の範囲、通常は４０〜８０質量％である。
【００１１】
さらに、組成物には、使用時に水に希釈された際に有効ヨウ素を安定化させる目的から、予め酸を添加することもできる。この際に添加される酸としては通常、リン酸、シュウ酸、クエン酸等が用いられる。また、添加量は０．１〜５質量％の範囲である。
【００１２】
なお、通常ヨードホールに使用される各種添加剤をさらに添加することが可能である。
【００１３】
また、生成された濃縮防殺菌剤組成物は、使用時に希釈され各種分野において防殺菌剤として使用される。また、この濃縮防殺菌剤組成物は、極めて安定であり遊離ヨウ素による臭気はほとんどないが、使用時に希釈することにより、液中にヨウ素を遊離し、通常使用されているヨウ素系防殺菌剤と同等の殺菌効果がある。
【００１４】
【実施例】
次に、本発明の実施例をより具体的に説明する。ただし、以下の実施例により限定されるものではない。
【００１５】
(実施例１)
有効ヨウ素濃度が２５質量％の濃縮防殺菌剤組成物
ヨウ素 ２５．０質量％
ヨウ化ナトリウム １４．８質量％
リン酸 １．０質量％
エチレングリコール ４１．４質量％
水 残部
臭気 殆ど無臭
【００１６】
(実施例２)
有効ヨウ素濃度が１５質量％の濃縮防殺菌剤組成物
ヨウ素 １５．０質量％
ヨウ化ナトリウム １１．１質量％
リン酸 １．０質量％
エタノール ５１．０質量％
水 残部
臭気 わずかにエタノール臭
【００１７】
(実施例３)
有効ヨウ素濃度が２５質量％の濃縮防殺菌剤組成物
ヨウ素 ２５．０質量％
ヨウ化カリウム ２０．４質量％
リン酸 １．０質量％
プロピレングリコール ３７．５質量％
水 残部
臭気 ほとんど無臭
【００１８】
(実施例４)
有効ヨウ素濃度が２５質量％の濃縮防殺菌剤組成物
ヨウ素 ２５．０質量％
ヨウ化リチウム １３．２質量％
リン酸 １．０質量％
イソプロピルアルコール ４２．６質量％
水 残部
臭気 わずかにイソプロピルアルコール臭
【００１９】
(実施例５)
有効ヨウ素濃度が１５質量％の濃縮防殺菌剤組成物
ヨウ素 １５．０質量％
ヨウ化リチウム ４．８質量％
リン酸 ０．５質量％
エチレングリコール ５５．７質量％
水 残部
臭気 わずかにヨウ素臭
【００２０】
(比較例１)
有効ヨウ素濃度が１６質量％の濃縮防殺菌剤組成物
ヨウ素 １６．０質量％
ヨウ化ナトリウム １３．５質量％
リン酸 １．０質量％
水 残部
臭気 ヨウ素臭大
【００２１】
(比較例２)
有効ヨウ素濃度が１６質量％の濃縮防殺菌剤組成物
ヨウ素 １６．０質量％
ヨウ化カリウム １４．０質量％
リン酸 ８．０質量％
グリシン ７．６質量％
水 残部
臭気 ヨウ素臭中
【００２２】
【発明の効果】
本発明のヨウ素系濃縮防殺菌剤組成物によれば、１５質量％〜３０質量％のヨウ素と、このヨウ素に対してモル比が０．５〜２であるヨウ化アルカリと、これらヨウ素およびヨウ化アルカリを溶解するアルコール類および多価アルコール類の少なくともいずれか一方の濃度が２５質量％〜９０質量％の水溶液とを有することにより、経済的に安価で、かつ低臭気で高濃度に濃縮できる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an iodine-based concentrated antiseptic composition.
[0002]
[Prior art]
Conventionally, it is known that iodine is effective as an antibacterial agent. In addition, since iodine is hardly soluble in water, a method of solubilizing by adding an alkali iodide is also known. However, the iodine antibacterial agent thus prepared has a problem that iodine in the solution is likely to evaporate, and toxicity may occur during handling.
[0003]
In order to suppress the evaporation of iodine, methods for adding a water-soluble polymer or a surfactant are known. However, the effective iodine concentration in the solution prepared by these methods is 6% by mass or less. It is a low concentration, and since the iodine concentration is usually 0 to 200 ppm when iodine is used as an antibacterial agent, the dilution rate at the time of use is low. A preparation solution is required.
[0004]
On the other hand, as a method for obtaining a high-concentration preparation liquid composition, for example, a configuration described in JP-A-56-77209 is known. In JP-A-56-77209, a solubilizer is used. Iodine is dissolved in water using an amino acid and a water-soluble iodide to obtain a preparation solution composition having an effective iodine concentration of 1 to 20% by mass.
[0005]
[Problems to be solved by the invention]
However, in the method for obtaining the preparation liquid composition described in JP-A-56-77209 described above, although the odor is reduced by evaporation of iodine as compared with the non-addition with the addition of amino acid, The odor still remains large, and the addition of expensive amino acids is not economically satisfactory.
[0006]
An object of the present invention is to provide an iodine antibacterial composition that is economically inexpensive and concentrated to a high concentration with low odor.
[0007]
[Means for Solving the Problems]
In the iodine-based concentrated antibacterial agent composition of the present invention, the solubilized product of iodine and alkali iodide is further stabilized in an aqueous solution of at least one of alcohols and polyhydric alcohols, and odor due to evaporation of iodine is observed. Since it is significantly reduced and the solubility of iodine in an aqueous solution of at least one of alcohols and polyhydric alcohols is better at a higher concentration than at a lower concentration, 15 % by mass to 30% by mass of iodine The concentration of at least one of alkali iodide having a molar ratio of 0.5 to 2 with respect to iodine, alcohols and polyhydric alcohols that dissolve iodine and alkali iodide is 25% by mass to 90%. And having a mass% aqueous solution.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the configuration of the iodine-based concentrated antibacterial composition of the present invention will be described.
[0009]
First, the alkali iodide to be used is lithium iodide, sodium iodide, or potassium iodide. Among these, an iodine absorbing solution or an organic iodine compound produced by a blowing-out method is hydrolyzed with an acid or an alkali. From the obtained iodine-containing liquid, it is more economically preferable to use an aqueous sodium iodide solution separated by electrodialysis as it is or after concentration. If the amount of alkali iodide is small, the solubility of iodine is poor, and if it is large, it is not economical, so the molar ratio to iodine is in the range of 0.5 to 2, usually 0.8 to 1.5.
[0010]
The alcohols used are then methanol, ethanol, n-propanol and iso-propanol. The polyhydric alcohols used are ethylene glycol, propylene glycol, 1.3-propanediol, 1.3-butanediol, 1.4-butanediol and glycerin. Here, if the concentration of at least one of alcohols and polyhydric alcohols in the aqueous solution of at least one of alcohols and polyhydric alcohols is thin, the odor due to evaporation of iodine is large, and if the concentration is high, iodine dissolves Since it does not, it is the range of 25-90 mass%, usually 40-80 mass%.
[0011]
Furthermore, an acid can be added to the composition in advance for the purpose of stabilizing effective iodine when diluted in water at the time of use. As the acid added at this time, phosphoric acid, oxalic acid, citric acid and the like are usually used. The addition amount is in the range of 0.1 to 5% by mass.
[0012]
Various additives that are usually used for iodine holes can be further added.
[0013]
The produced concentrated antiseptic composition is diluted at the time of use and used as an antiseptic in various fields. In addition, this concentrated antiseptic composition is very stable and has almost no odor due to free iodine, but by diluting at the time of use, iodine is released into the liquid, Has the same bactericidal effect.
[0014]
【Example】
Next, examples of the present invention will be described more specifically. However, it is not limited by the following examples.
[0015]
(Example 1)
Concentrated antiseptic composition with an effective iodine concentration of 25% by mass Iodine 25.0% by mass
Sodium iodide 14.8% by mass
Phosphoric acid 1.0% by mass
Ethylene glycol 41.4% by mass
Water balance Odor almost odorless [0016]
(Example 2)
Concentrated antiseptic composition with an effective iodine concentration of 15% by mass Iodine 15.0% by mass
Sodium iodide 11.1% by mass
Phosphoric acid 1.0% by mass
Ethanol 51.0% by mass
Water remainder Odor Slight ethanol odor [0017]
Example 3
Concentrated antiseptic composition with an effective iodine concentration of 25% by mass Iodine 25.0% by mass
Potassium iodide 20.4% by mass
Phosphoric acid 1.0% by mass
Propylene glycol 37.5% by mass
Water balance Odor almost odorless [0018]
Example 4
Concentrated antiseptic composition with an effective iodine concentration of 25% by mass Iodine 25.0% by mass
Lithium iodide 13.2% by mass
Phosphoric acid 1.0% by mass
Isopropyl alcohol 42.6% by mass
Water remainder Odor Slight isopropyl alcohol odor [0019]
(Example 5 )
Concentrated antiseptic composition with an effective iodine concentration of 15% by mass Iodine 15.0% by mass
Lithium iodide 4.8% by mass
Phosphoric acid 0.5% by mass
Ethylene glycol 55.7% by mass
Slightly iodine odor water balance odor [0020]
(Comparative Example 1)
Concentrated antiseptic composition having an effective iodine concentration of 16% by mass Iodine 16.0% by mass
Sodium iodide 13.5% by mass
Phosphoric acid 1.0% by mass
Water remnant odor Iodine odor large [0021]
(Comparative Example 2)
Concentrated antiseptic composition having an effective iodine concentration of 16% by mass Iodine 16.0% by mass
Potassium iodide 14.0% by mass
Phosphoric acid 8.0% by mass
Glycine 7.6% by mass
Water remainder Odor Iodine odor [0022]
【The invention's effect】
According to the iodine-based concentrated antibacterial agent composition of the present invention, 15 % by mass to 30% by mass of iodine, an alkali iodide having a molar ratio of 0.5 to 2 with respect to the iodine, these iodine and iodine By having an aqueous solution in which the concentration of at least one of alcohols and polyhydric alcohols that dissolve alkali halides is 25% by mass to 90% by mass , it is economically inexpensive and can be concentrated to a high concentration with low odor .
Claims (1)
このヨウ素に対してモル比が０．５〜２であるヨウ化アルカリと、
前記ヨウ素およびヨウ化アルカリを溶解するアルコール類および多価アルコール類の少なくともいずれか一方の濃度が２５質量％〜９０質量％の水溶液と
を有したことを特徴としたヨウ素系濃縮防殺菌剤組成物。 15 % to 30% by weight iodine,
An alkali iodide having a molar ratio of 0.5 to 2 with respect to the iodine;
Alcohols and iodine concentrated anti fungicidal composition at least one of the concentration was characterized by having an aqueous solution of 25 wt% to 90 wt% of the polyhydric alcohol to dissolve the iodine and an alkali iodide .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001385920A JP4132807B2 (en) | 2001-12-19 | 2001-12-19 | Iodine-based concentrated fungicidal composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001385920A JP4132807B2 (en) | 2001-12-19 | 2001-12-19 | Iodine-based concentrated fungicidal composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003183169A JP2003183169A (en) | 2003-07-03 |
| JP4132807B2 true JP4132807B2 (en) | 2008-08-13 |
Family
ID=27595205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001385920A Expired - Lifetime JP4132807B2 (en) | 2001-12-19 | 2001-12-19 | Iodine-based concentrated fungicidal composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4132807B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023119323A1 (en) * | 2021-12-20 | 2023-06-29 | Kejriwal Anil | Molecular iodine, alcohol, and propanediol based formulation and its application in relieving foot odor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4084329B2 (en) * | 2004-03-31 | 2008-04-30 | 小林製薬株式会社 | Liquid composition and method for producing the same |
| JP6704702B2 (en) * | 2015-09-28 | 2020-06-03 | 小林製薬株式会社 | Aqueous external composition containing iodine-based bactericidal component |
-
2001
- 2001-12-19 JP JP2001385920A patent/JP4132807B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023119323A1 (en) * | 2021-12-20 | 2023-06-29 | Kejriwal Anil | Molecular iodine, alcohol, and propanediol based formulation and its application in relieving foot odor |
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| Publication number | Publication date |
|---|---|
| JP2003183169A (en) | 2003-07-03 |
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