JP2007161807A - Liquid anti-freezing agent composition - Google Patents

Liquid anti-freezing agent composition Download PDF

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JP2007161807A
JP2007161807A JP2005357579A JP2005357579A JP2007161807A JP 2007161807 A JP2007161807 A JP 2007161807A JP 2005357579 A JP2005357579 A JP 2005357579A JP 2005357579 A JP2005357579 A JP 2005357579A JP 2007161807 A JP2007161807 A JP 2007161807A
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glycerin
surfactants
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surface tension
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Kazuji Tokita
和司 時田
Yuzuru Oka
譲 岡
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HOKKAIDO NIPPON YUSHI KK
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HOKKAIDO NIPPON YUSHI KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid anti-freezing agent composition widely used in cold districts or snow ice road surfaces, air port runways and the like in winter. <P>SOLUTION: The liquid anti-freezing agent composition is enhanced in permeability and diffusibility by using glycerol as a base material and blending one or more species of surface tension adjustment agents selected from nonionic surfactants, cation surfactants, anion surfactants or amphoteric surfactants with an aqueous solution of the same. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、寒冷地、或いは冬期の雪氷道路面などに広く利用される液状凍結防止剤組成物に関する。   The present invention relates to a liquid antifreezing agent composition widely used in cold districts, winter snow and ice road surfaces, and the like.

従来より凍結防止剤としては、種々の物質が用いられてきたが、塩化物は塩害問題が伴うことから、酢酸カリウム、酢酸ナトリウム、酢酸カルシウム等の酢酸塩系の凍結防止剤が主流となった。
また、この凍結防止剤は、粒状のものと液状のものが知られ、粒状では遅効性で、均一な散布も困難となるため、即効性で、散布も容易な液状のものが好適に利用されるようになってきた。
この従来の液状凍結防止剤としては、酢酸カリウム水溶液又は蟻酸カリウム水溶液又は酢酸ナトリウム水溶液等が用いられてきており、一般的には冬期の雪氷道路面などの凍結防止に使用されている。 Conventionally, various substances have been used as antifreeze agents, but since chlorides are associated with salt damage problems, acetate type antifreeze agents such as potassium acetate, sodium acetate and calcium acetate have become mainstream. .
In addition, granular and liquid antifreeze agents are known. Since granular particles are slow acting and uniform spraying is difficult, liquid agents that are immediate and easy to spray are preferably used. It has come to be.
As this conventional liquid antifreezing agent, an aqueous solution of potassium acetate, an aqueous solution of potassium formate, an aqueous solution of sodium acetate or the like has been used, and is generally used for antifreezing on snowy and ice road surfaces in winter.

また、グリセリン等の不凍液を用いることも特許文献１などに開示されている。より詳しくは、グリセリン等の水溶性不凍液と、酢酸カリウム等の酢酸塩と、防錆剤と、水とを特定の割合で混合してなる道路凍結防止剤が開示されている。
さらに、適度な粘調性を付与するために、グリセリンを添加することも特許文献２などに開示されている。
特開平９−４８９６１号公報 特開２００５−２３１６７公報 Also, use of an antifreeze such as glycerin is disclosed in Patent Document 1 and the like. More specifically, there is disclosed a road antifreeze agent obtained by mixing a water-soluble antifreeze solution such as glycerin, an acetate salt such as potassium acetate, a rust inhibitor, and water at a specific ratio.
Furthermore, it is disclosed in Patent Document 2 and the like to add glycerin in order to impart moderate viscosity.
Japanese Patent Laid-Open No. 9-48661 JP-A-2005-23167

しかしながら、前記従来の液状凍結防止剤は、水と同程度の表面張力を有し、凍結路面への浸透性及び拡散性に乏しいため、液状凍結防止剤が凍結路面に充分に広がらず、しかも電気伝導性を有しているため、電気系統が関連する構造物の凍結防止には使用されていなかった。更に、凍結路面に散布された酢酸系凍結防止剤は、幾分酢酸臭がするため、不快に感じる人もいた。この点は、グリセリンと酢酸塩とを組み合わせた特許文献１でも同様である。
また、前記特許文献に開示される方法も含めて、従来の液状凍結防止剤は、凍結路面への広がりが十分でないという点で改良の余地があった。 However, the conventional liquid antifreeze has a surface tension comparable to that of water, and has poor permeability and diffusibility to the frozen road surface. Therefore, the liquid antifreeze agent does not sufficiently spread on the frozen road surface, and electric Due to its conductivity, it has not been used to prevent freezing of structures to which the electrical system is related. Further, the acetic acid antifreeze sprayed on the frozen road surface has some acetic odor, and some people feel uncomfortable. This also applies to Patent Document 1 in which glycerin and acetate are combined.
Moreover, the conventional liquid antifreeze agent including the method disclosed by the said patent document had room for improvement at the point that the spread to a frozen road surface was not enough.

そこで、本発明は、臭いがなく、表面張力を水以下に低下させ、凍結路面への浸透性及び拡散性を高めた液状凍結防止剤組成物を提供することを目的とする。   Therefore, an object of the present invention is to provide a liquid antifreezing agent composition that has no odor, has a surface tension reduced below water, and has improved permeability and diffusibility to a frozen road surface.

本発明は上記に鑑み提案されたもので、グリセリンを基剤とし、その水溶液に、非イオン界面活性剤又は陽イオン界面活性剤又は陰イオン界面活性剤又は両性界面活性剤から選ばれる１種或いは２種以上の表面張力調整剤を配合し、浸透性及び拡散性を高めたことを特徴とする液状凍結防止剤組成物に関するものである。   The present invention has been proposed in view of the above, and based on glycerin, the aqueous solution thereof is selected from a nonionic surfactant, a cationic surfactant, an anionic surfactant, or an amphoteric surfactant. The present invention relates to a liquid antifreeze composition characterized by blending two or more kinds of surface tension adjusting agents to improve permeability and diffusibility.

また、本発明は、グリセリン２０〜８８重量％、水８０〜１２重量％からなる水溶液に、表面張力調整剤を０．０１〜１．０重量％添加してなる前記液状凍結防止剤組成物をも提案するものである。
さらに、本発明の液状凍結防止剤組成物には、防腐効果が必要な場合には、防腐剤を１種或いは２種以上を含有することができる。 The present invention also provides the liquid antifreeze composition obtained by adding 0.01 to 1.0% by weight of a surface tension adjuster to an aqueous solution comprising 20 to 88% by weight of glycerin and 80 to 12% by weight of water. Is also proposed.
Further, the liquid antifreeze composition of the present invention may contain one or more preservatives when antiseptic effects are required.

本発明の液状凍結防止剤組成物は、従来の液状凍結防止剤組成物に比べ、凍結路面への浸透性及び拡散性が高いため、凍結防止の効果を効率よく、広い面積範囲にて発揮することができ、使用する量も少量でよいため、経済的効果も高い。そして、寒冷地、或いは冬期の雪氷道路面などの凍結防止に広く利用することができる。
また、電気伝導性を嫌う構造物への使用も、水道水と同等レベルの低電気伝導性を有するため有効である。
更に、本発明において基剤として用いるグリセリンは、従来の酢酸系凍結防止剤のように臭いも無く、医薬品、化粧品、食品等に使用される安全性の高い物質であるため、例えばゴルフ場のグリーン、フェアウエー及びカート道路等の凍結防止など、幅広い用途にも有効に使用することができ、或いは凍結路面のみならず農薬等の凍結防止を必要とする用途にも利用できる。 Since the liquid antifreeze composition of the present invention has higher permeability and diffusibility to the frozen road surface than conventional liquid antifreeze compositions, the antifreeze effect is efficiently exhibited over a wide area range. Since the amount used can be small, the economic effect is high. And it can utilize widely for freezing prevention, such as a cold district or the snow-ice road surface of winter.
Moreover, the use for structures that dislike electric conductivity is effective because it has low electric conductivity equivalent to tap water.
Furthermore, glycerin used as a base in the present invention has no odor like conventional acetic acid-type antifreezing agents and is a highly safe substance used in pharmaceuticals, cosmetics, foods, etc. In addition, it can be used effectively for a wide range of applications such as prevention of freezing on fairways and cart roads, or can be used not only for frozen road surfaces but also for applications requiring anti-freezing of agricultural chemicals.

また、グリセリン２０〜８８重量％、水８０〜１２重量％からなる水溶液に、表面張力調整剤を０．０１〜１．０重量％添加してなる液状凍結防止剤組成物は、より安定に表面張力を低下させ、浸透性及び拡散性を向上させることができる。   Moreover, the liquid antifreezing agent composition formed by adding 0.01 to 1.0% by weight of a surface tension adjusting agent to an aqueous solution comprising 20 to 88% by weight of glycerin and 80 to 12% by weight of water has a more stable surface. Tension can be reduced and permeability and diffusivity can be improved.

本発明に使用するグリセリンは、前述の従来の技術にても説明したように既に水溶性不凍液として使用されていたという実績もあり、本発明では基剤として用いられる。このグリセリンは、水を混合しない場合には粘調な液体であるため、好ましくは８８重量％以下を水（１２重量％以上）に混合して水溶液をして用いる。また、水が多すぎる（８０重量％以上）場合には、液状凍結防止剤の凝固点が−５℃と高くなり、不凍効果が弱くなってしまい、所期の凍結防止効果を得ることができなくなる。したがって、グリセリンは２０〜８８重量％、水は８０〜１２重量％で混合することが好ましい。
このグリセリン水溶液は、水に比べて表面張力は低いが、凍結路面への浸透性及び拡散性を向上する効果は十分に高くはない。 The glycerin used in the present invention has a track record that it has already been used as a water-soluble antifreeze as described in the prior art, and is used as a base in the present invention. Since this glycerin is a viscous liquid when water is not mixed, it is preferably used in the form of an aqueous solution by mixing 88% by weight or less with water (12% by weight or more). In addition, when there is too much water (80% by weight or more), the freezing point of the liquid antifreezing agent becomes as high as −5 ° C., the antifreezing effect becomes weak, and the desired antifreezing effect can be obtained. Disappear. Therefore, it is preferable to mix glycerin at 20 to 88% by weight and water at 80 to 12% by weight.
This glycerin aqueous solution has a lower surface tension than water, but the effect of improving the permeability and diffusibility to the frozen road surface is not sufficiently high.

表面張力調整剤は、非イオン界面活性剤又は陽イオン界面活性剤又は陰イオン界面活性剤又は両性界面活性剤から選ばれる１種或いは２種以上であって、前記グリセリン水溶液の表面張力を低下させることができ、凍結路面への浸透性及び拡散性を大きく向上することができる。この表面張力調整剤は、前記グリセリン水溶液に０．０１重量％未満で含有させても表面張力が低下せず、１．０重量％以上を含有させてもそれ以上の表面張力の低下効果は得られず、むしろコスト上昇になるため、経済的には無駄となる。したがって、表面張力調整剤は、前記グリセリン水溶液に０．０１〜１．０重量％添加することが好ましい。
なお、電気伝導性を嫌う場所には、非イオン系界面活性剤を使用することが好ましい。 The surface tension adjusting agent is one or more selected from a nonionic surfactant, a cationic surfactant, an anionic surfactant or an amphoteric surfactant, and reduces the surface tension of the glycerin aqueous solution. It is possible to greatly improve the permeability and diffusibility to the frozen road surface. Even if this surface tension adjusting agent is contained in the glycerin aqueous solution at less than 0.01% by weight, the surface tension does not decrease, and even if 1.0% by weight or more is contained, the effect of further reducing the surface tension is obtained. Rather, it is costly and therefore wasteful economically. Therefore, it is preferable to add the surface tension adjusting agent to the glycerin aqueous solution in an amount of 0.01 to 1.0% by weight.
In addition, it is preferable to use a nonionic surfactant in the place where electric conductivity is disliked.

次に、実施例及び比較例を示す。   Next, examples and comparative examples are shown.

［実施例１］
グリセリン６５部を水３５部に溶解させ、グリセリン水溶液を作製し、非イオン界面活性剤としてポリオキシエチレンポリオキシプロピレンアルキルエーテル０．０１重量％、０．１重量％、１．０重量％添加し、実施例１の液状凍結防止剤組成物とした。 [Example 1]
65 parts of glycerin is dissolved in 35 parts of water to prepare an aqueous glycerin solution, and 0.01% by weight, 0.1% by weight, 1.0% by weight of polyoxyethylene polyoxypropylene alkyl ether is added as a nonionic surfactant. The liquid antifreeze composition of Example 1 was obtained.

［実施例２］
グリセリン６５部を水３５部に溶解させ、グリセリン水溶液を作製し、陰イオン界面活性剤としてジ（２−エチルヘキシル）スルホコハク酸ナトリウム０．０１量％、０．１重量％、１．０重量％添加し、実施例２の液状凍結防止剤組成物とした。 [Example 2]
Dissolve 65 parts of glycerin in 35 parts of water to prepare an aqueous glycerin solution, and add 0.01% by weight, 0.1% by weight, and 1.0% by weight of sodium di (2-ethylhexyl) sulfosuccinate as an anionic surfactant. The liquid antifreeze composition of Example 2 was obtained.

［実施例３］
グリセリン６５部を水３５部に溶解させ、グリセリン水溶液を作製し、陽イオン界面活性剤としてオクタデシルトリメチルアンモニウムクロライド０．０１量％、０．１重量％、１．０重量％添加し、実施例３の液状凍結防止剤組成物とした。 [Example 3]
65 parts of glycerin was dissolved in 35 parts of water to prepare an aqueous glycerin solution, and 0.01% by weight, 0.1% by weight, 1.0% by weight of octadecyltrimethylammonium chloride was added as a cationic surfactant, Example 3 A liquid antifreeze composition was prepared.

［実施例４］
グリセリン６５部を水３５部に溶解させ、グリセリン水溶液を作製し、両性界面活性剤としてジメチルアルキルベタイン０．０１量％、０．１重量％、１．０重量％添加し、実施例４の液状凍結防止剤組成物とした。 [Example 4]
65 parts of glycerin is dissolved in 35 parts of water to prepare an aqueous glycerin solution, and 0.01% by weight, 0.1% by weight, and 1.0% by weight of dimethylalkylbetaine are added as amphoteric surfactants. A cryoprotectant composition was obtained.

［実施例５］
グリセリン６５部を水３５部に溶解させ、グリセリン水溶液を作製し、非イオン界面活性剤としてポリオキシエチレンポリオキシプロピレンアルキルエーテルと陰イオン界面活性剤としてジ（２−エチルヘキシル）スルホコハク酸ナトリウムの混合比を１：１として０．０１重量％、０．１重量％、１．０重量％添加し、実施例５の液状凍結防止剤組成物とした。 [Example 5]
A glycerin aqueous solution is prepared by dissolving 65 parts of glycerin in 35 parts of water, and a mixing ratio of polyoxyethylene polyoxypropylene alkyl ether as a nonionic surfactant and sodium di (2-ethylhexyl) sulfosuccinate as an anionic surfactant Was added at 0.01 wt%, 0.1 wt%, and 1.0 wt% to make the liquid antifreeze composition of Example 5.

［比較例１］
グリセリン６５部を水３５部に溶解させ、グリセリン水溶液を作製し、比較例１の液状凍結防止剤組成物とした。 [Comparative Example 1]
A glycerin aqueous solution was prepared by dissolving 65 parts of glycerin in 35 parts of water, and the liquid antifreeze composition of Comparative Example 1 was obtained.

［比較例２］
水のみを、比較例２の液状凍結防止剤組成物とした。 [Comparative Example 2]
Only water was used as the liquid antifreeze composition of Comparative Example 2.

［表面張力試験］
前記実施例１〜５及び比較例１，２の各液状凍結防止剤組成物について、試料温度を２０℃としてウイルヘルミー法（プレート法）で表面張力試験を実施した。
その測定結果を表１に示した。

Figure 2007161807
尚、表中の界面活性剤量は、実施例１では非イオン界面活性剤の、実施例２では陰イオン界面活性剤の、実施例３では陽イオン界面活性剤の、実施例４では両性界面活性剤の、実施例５では非イオン界面活性剤と陰イオン界面活性剤の混合物の量を示す。 [Surface tension test]
With respect to each of the liquid antifreeze compositions of Examples 1 to 5 and Comparative Examples 1 and 2, a surface tension test was performed by the Wilhelmy method (plate method) at a sample temperature of 20 ° C.
The measurement results are shown in Table 1.
Figure 2007161807
 The amounts of the surfactants in the table are the nonionic surfactant in Example 1, the anionic surfactant in Example 2, the cationic surfactant in Example 3, and the amphoteric interface in Example 4. For the active agent, Example 5 shows the amount of the mixture of nonionic surfactant and anionic surfactant.

［拡散試験］
前記実施例１〜５及び比較例１，２の各液状凍結防止剤組成物について、試料温度を５℃として−５℃で凍結させた氷板にスポイトで３滴（約０．１５ｇ）を５ｃｍの高さから落下させ、１分後に円形に広がった幅を測定した。
その測定結果を表２に示した。

Figure 2007161807
尚、表中の界面活性剤量は、実施例１では非イオン界面活性剤の、実施例２では陰イオン界面活性剤の、実施例３では陽イオン界面活性剤の、実施例４では両性界面活性剤の、実施例５では非イオン界面活性剤と陰イオン界面活性剤の混合物の量を示す。 [Diffusion test]
For each of the liquid antifreeze compositions of Examples 1 to 5 and Comparative Examples 1 and 2, 5 drops of 3 drops (about 0.15 g) was dropped on an ice plate frozen at −5 ° C. with a sample temperature of 5 ° C. After dropping from the height of 1 mm, the width which spreads in a circular shape after 1 minute was measured.
The measurement results are shown in Table 2.
Figure 2007161807
 The amounts of the surfactants in the table are the nonionic surfactant in Example 1, the anionic surfactant in Example 2, the cationic surfactant in Example 3, and the amphoteric interface in Example 4. For the active agent, Example 5 shows the amount of the mixture of nonionic surfactant and anionic surfactant.

以上本発明の実施例を示したが、本発明は前記実施例に限定されるものではなく、特許請求の範囲に記載の構成を変更しない限りどのようにも実施することができる。   As mentioned above, although the Example of this invention was shown, this invention is not limited to the said Example, It can implement in any way, unless the structure as described in a claim is changed.

Claims (2)

グリセリンを基剤とし、その水溶液に、非イオン界面活性剤又は陽イオン界面活性剤又は陰イオン界面活性剤又は両性界面活性剤から選ばれる１種或いは２種以上の表面張力調整剤を配合し、浸透性及び拡散性を高めたことを特徴とする液状凍結防止剤組成物。   Based on glycerin, the aqueous solution is blended with one or more surface tension modifiers selected from nonionic surfactants, cationic surfactants, anionic surfactants or amphoteric surfactants, A liquid antifreeze composition characterized by having improved permeability and diffusibility. グリセリン２０〜８８重量％、水８０〜１２重量％からなる水溶液に、表面張力調整剤を０．０１〜１．０重量％添加してなる請求項１に記載の液状凍結防止剤組成物。   The liquid antifreezing agent composition according to claim 1, wherein a surface tension adjusting agent is added in an amount of 0.01 to 1.0% by weight to an aqueous solution comprising 20 to 88% by weight of glycerin and 80 to 12% by weight of water.
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US10252852B2 (en) 2011-04-22 2019-04-09 Jbt Food & Dairy Systems B.V. Adaptive packaging for food processing systems
US9241510B2 (en) 2011-04-23 2016-01-26 Ics Solutions B.V. Apparatus and method for optimizing and controlling food processing system performance
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US9353510B2 (en) 2011-09-22 2016-05-31 Tetsuya Shibano Vapor pressure lowering agent for seal water in drain trap, method for preventing seal breakage in drain trap by using vapor pressure lowering agent for seal water in drain trap, antifreezing agent for water, and method for preventing seal breakage in drain trap by using antifreezing agent for water
KR101627687B1 (en) * 2011-09-22 2016-06-07 시바노 테츠야 Agent for lowering vapor pressure of sealing water in drain trap, method for preventing seal breakage in drain trap using agent for lowering vapor pressure of sealing water in drain trap, antifreezing agent for water, and method for preventing seal breakage in drain trap using antifreezing agent for water
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WO2013042779A1 (en) * 2011-09-22 2013-03-28 大伍貿易株式会社 Agent for lowering vapor pressure of water, method for preventing seal breakage in drain trap using agent for lowering vapor pressure of water, antifreezing agent for water, method for preventing seal breakage in drain trap using antifreezing agent for water, and antifreezing agent for plant
US9131729B2 (en) 2011-09-28 2015-09-15 Ics Solutions B.V. Safe and efficient thermal transfer media for processing of food and drink products
JP2013255900A (en) * 2012-06-13 2013-12-26 Nof Corp Additive for treating incineration ash and method for treating incineration ash
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