JP3609903B2 - Aqueous gel-like vehicle cleaner - Google Patents

Description

【００４０】
これより、各比較例の試料は低粘度で流動性を示すのに対し、各実施例の試料は、良好な高粘性ゲル状を呈し、温度安定性に優れ、中でもアニオン界面活性剤９〜１９重量％、両性界面活性剤１〜２重量％、ゲル化増粘剤２〜５重量％、塩類０．５〜７重量％の範囲内において特に良好な高粘性ゲル状を呈することが分る。
また、実施例１〜５の洗浄剤試料の温度による粘度変化について測定した結果をそれぞれ◆、■、▲、●及び◇の符号によるグラフとして図１に示す。
これより、実施例の試料は４０℃でも粘度１０，０００ｍＰａ・Ｓ以上を示し、夏季などの高温条件下でもゲル状の外観を維持しうることが分る。
【００４１】
実施例６〜１０
表２に示す処方で水性ゲル状車両用洗浄剤試料を調製した。各試料の粘度を測定し、流動性及び温度安定性を評価した。
【００４２】
【表２】

【００４３】
これより、各実施例の試料は、良好な高粘性ゲル状を呈し、温度安定性に優れることが分る。
【００４４】
実施例１１〜１３
表３に示す処方で水性ゲル状車両用洗浄剤試料を調製した。各試料の粘度を測定し、流動性及び温度安定性を評価した。
【００４５】
【表３】

【００４６】
これより、各実施例の試料は、良好な高粘性ゲル状を呈し、温度安定性に優れることが分る。
【００４７】
実施例１４〜１６
表４に示す処方で水性ゲル状車両用洗浄剤試料を調製した。各試料の粘度を測定し、流動性及び温度安定性を評価した。
【００４８】
【表４】

【００４９】
これより、各実施例の試料は、良好な高粘性ゲル状を呈し、温度安定性に優れることが分る。
【００５０】
実施例１７〜２１
表５に示す処方で水性ゲル状車両用洗浄剤試料を調製した。各試料の粘度を測定し、流動性及び温度安定性を評価した。
【００５１】
【表５】

【００５２】
これより、各実施例の試料は、良好な高粘性ゲル状を呈し、温度安定性に優れることが分る。
【００５３】
【発明の効果】
本発明の水性ゲル状車両用洗浄剤は、次のような種々の優れた効果を奏する。
▲１▼界面活性剤の濃度が２０重量％程度以上であっても、安定な水性ゲルの外観を呈し、しかも保存安定性に優れ、保管時に白濁、層分離等の弊害を生じることがない。
▲２▼界面活性剤の濃度が２０重量％程度以上と従来品に比べ高濃度であっても、各成分が水に均一に溶解した安定な高粘性水性ゲル状とすることが可能で、しかも使用時に速やかに水に溶解し発泡することで、車両の塗装面の汚れを素早く洗浄・除去することができる。
▲３▼ハンディータイプのコンパクトカーシャンプーとして用いることができ、この洗浄剤を水で濡らしたスポンジ等の洗車具に直接取り、手で少し揉むことで発泡でき、簡単かつ容易に使用でき、作業性に優れる。
▲４▼従来より界面活性剤を高濃度とすることができ、容器をボトル形状からより小型化された容器、たとえばチューブ形状やワンプッシュディスペンサー形状の容器に変えることができ、それにより、運送、保管等に要するコストを大きく低減することができる上に、使用時の取り扱い性も向上する。
【図面の簡単な説明】
【図１】実施例１〜５の洗浄剤試料の温度による粘度変化を示すグラフ。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an aqueous gel-type vehicle cleaning agent, more specifically, a uniform, stable, highly viscous gel-like shape even if the amount of the surfactant is large, good stability during storage, and water during use. It is related with the water-based gel-type vehicle cleaning agent which mixes well and is good in foamability and cleanability.
[0002]
[Prior art]
When washing a vehicle such as an automobile, a liquid detergent is usually used by diluting it with water in advance or by directly applying it to a cleaning tool such as a sponge. When diluting with water, if the cleaning agent is sufficiently foamed and not used, small particles such as dust present on the painted surface of the vehicle are attracted by the cleaning tool and countless scratches are formed on the painted surface. There is also a risk, and in the case of application to the cleaning tool, the liquid cleaning agent penetrates into the cleaning tool, so that only a part of the cleaning agent remains in the contact area with the vehicle paint surface, The foamability is unavoidable.
[0003]
For this reason, a vehicular cleaning agent is required to have a gel-like high viscosity so that almost the entire amount applied to the surface of the cleaning tool penetrates and is not absorbed and can be held on the cleaning surface.
Such high viscosity required characteristics can be obtained by increasing the concentration of the surfactant in the cleaning agent, but the amount of the surfactant is excessively increased and miscibility with water is impaired. This is not preferable because it erodes the painted surface and increases the cost.
[0004]
Thus, to increase the viscosity, acrylic thickeners such as polyacrylic acid, polymethacrylic acid and polyacrylamide and mineral thickeners such as synthetic silicates have been used.
These thickeners are difficult to thicken in the presence of charged substances such as anionic surfactants and cationic surfactants, and vehicular cleaning agents containing such charged surfactants are highly gelled. In order to achieve a viscosity, it is necessary to use a large amount of thickener. Further, when these thickeners are used, the thickener adheres to the coating surface in a large amount and adsorbs dirt, so that the cleaning performance is remarkably lowered.
Also, considering the storage location and the cost of transportation, it is preferable that the surfactant component concentration is as high as possible, that is, the product is downsized, but in the vehicle cleaner that can be gelled with a conventional thickener. The surfactant content is at most about 5% by weight.
[0005]
Thickeners that are not affected by the chargeable salts include cellulose derivatives such as hydroxypropylmethylcellulose and hydroxyethylcellulose, and oligosaccharide thickeners such as xanthan gum, but the maximum reached viscosity is 10,000 mPa · S. It is as follows and does not lead to gelation. In addition, edible gelling agents such as gelatin, agar, and alginic acid are easily affected by pH, are extremely poor in affinity with water during use, and are difficult to handle. It is easy to receive and long-term storage stability is not good.
[0006]
[Problems to be solved by the invention]
The present invention overcomes these conventional drawbacks, and even with a large amount of surfactant, it exhibits a uniform, stable, highly viscous gel, has good stability during storage, and is well used with water during use. The object of the invention is to provide an aqueous gel-type vehicle cleaning agent that is mixed and has good foamability and cleanability.
[0007]
[Means for Solving the Problems]
The inventors of the present invention have conducted various studies in order to develop a water-based gel-type vehicle cleaning agent having the above-described good properties. As a result, the gelatinized thickener contains vegetable fatty acids or vegetable oils and alkanolamines. Based on this finding, it was found that the objective can be achieved by combining an anionic surfactant with an amphoteric surfactant or a semipolar surfactant, and adding salts. The present invention has been completed.
[0008]
That is, the present invention comprises (A) 7 to 23% by weight of an anionic surfactant, (B) 0.5 to 3% by weight of at least one selected from amphoteric surfactants and semipolar surfactants, C) 1 to 6% by weight of a gelling thickener comprising a reaction product of one or both of vegetable fatty acid and vegetable oil and alkanolamine, and (D) 0.1 to 8% by weight of salts, The present invention also provides an aqueous gel-like vehicle cleaning agent characterized by being an aqueous gel having a viscosity at 20 ° C. of 10,000 mPa · S or more.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
The anionic surfactant of the component (A) used in the present invention is the main component of the cleaning component, is excellent in cleaning performance of dirt on the painted surface of the vehicle, has high foaming properties, and thereby adheres particles such as dust on the painted surface. It has the effect of enveloping and preventing the formation of scratches during work.
[0010]
Although there is no restriction | limiting in particular about this anionic surfactant, The following are mentioned typically.
Alkyl phenyl sulfonates having an alkyl group having about 12 to 18 carbon atoms, such as lauryl benzene sulfonate and stearyl benzene sulfonate.
Α-olefin sulfonate having an alkenyl group having about 12 to 18 carbon atoms, such as a mixture of 2-alkene sulfonate and 3-hydroxyalkane sulfonate.
Dialkyl sulfosuccinic acid ester salts having an alkyl group having about 8 to 12 carbon atoms, such as di- (2-ethylhexyl) sulfosuccinic acid ester salts, dilauryl polyoxyethylene sulfosuccinic acid ester salts, dioctyl sulfosuccinic acid ester salts, sulfosuccinic acid polysulphates Oxyethylene lauroyl ethanolamide ester salt etc.
Higher alcohol sulfates having an alkyl group or alkenyl group having about 12 to 18 carbon atoms, such as lauryl sulfate, stearyl sulfate, Euler sulfate, and the like.
Polyoxyethylene higher alkyl ether sulfates having an alkyl group of about 12 to 18 carbon atoms (average EO addition mole number of 2 to 4), such as polyoxyethylene lauryl ether sulfates, polyoxyethylene stearyl ether sulfates , Polyoxyethylene coconut oil alkyl ether sulfate, etc.
Polyoxyethylene higher alkyl ether carboxylate having an alkyl group having about 12 to 18 carbon atoms (average EO addition mole number: 2 to 4.5), for example, polyoxyethylene lauryl ether acetate, polyoxyethylene tridecyl ether acetic acid Salt etc.
Methyl taurate surfactants having an alkyl group or alkenyl group having about 12 to 18 carbon atoms, such as lauryl methyl taurate, oleyl taurate, and the like.
An alanine surfactant having an alkyl group having about 12 to 18 carbon atoms, such as a lauryl alanine salt system.
[0011]
In these anionic surfactants, those that generate counterion cations include alkali metals such as sodium and potassium, alkaline earth metals such as calcium, alkanolamines such as triethanolamine, and ammonia. .
[0012]
Of these anionic surfactants, α-olefin sulfonates, higher alcohol sulfates, polyoxyethylene higher alkyl ether sulfates, and polyoxyethylene higher alkyl ether carboxylic acid esters are preferred, Higher alcohol sulfate ester salt, polyoxyethylene higher alkyl ether sulfate ester salt, polyoxyethylene higher alkyl ether carboxylic acid ester salt are used. As a result, the target detergent has a viscosity of 30,000 mPa · s or higher at 20 ° C. Can impart foamability.
[0013]
The compounding amount of the anionic surfactant in the aqueous gel-like vehicle cleaning agent of the present invention is selected in the range of 7 to 23% by weight, preferably 9 to 19% by weight.
If this amount is less than 7% by weight, the increase in viscosity is insufficient, and it does not lead to complete gelation, especially when the outside air temperature exceeds 40 ° C., the viscosity is extremely reduced, and the cleaning agent becomes liquid and begins to flow, On the other hand, when the content exceeds 23% by weight, the increase in viscosity is insufficient, and complete gelation is not achieved, and the miscibility with water is not good during use.
[0014]
In the aqueous gel-type vehicle cleaning agent of the present invention, at least one selected from amphoteric surfactants and semipolar surfactants is used as component (B).
[0015]
This amphoteric surfactant is a subcomponent of the cleaning component, has excellent cleaning performance for dirt on the painted surface of the vehicle, and exhibits an effect of improving miscibility with water during use.
[0016]
Although there is no restriction | limiting in particular about this amphoteric surfactant, The following are mentioned typically.
An alkylaminocarboxylate having an alkyl group having about 12 to 18 carbon atoms, such as laurylaminopropionate.
Alkylcarboxybetaines having an alkyl group having about 12 to 18 carbon atoms, such as lauryldimethylaminocarboxybetaine, stearyldimethylaminocarboxybetaine, coconut oil alkyldimethylaminocarboxybetaine, and coconut oil alkylamidopropyldimethylaminocarboxybetaine.
Alkyl imidazoline type compounds having an alkyl group having about 12 to 18 carbon atoms, such as 2-lauryl-N-carboxyethyl-N-hydroxyethyl imidazolinium betaine.
[0017]
Moreover, a semipolar surfactant is a subcomponent of a washing | cleaning component, is excellent in foaming power, and has the effect | action which gives a thickening effect by using together with the amide in a component.
[0018]
The semipolar surfactant is not particularly limited. For example, amine oxides having an alkyl group having about 12 to 18 carbon atoms such as lauryl dimethylamine oxide, stearyl dimethylamine oxide, coconut oil alkyldimethylamine. And oxides.
[0019]
Among these components (B), alkyl carboxybetaines and amine oxides are preferably used, and among them, alkyl carboxybetaines are used in particular, so that the target cleaning agent has enhanced detergency and foaming power and Good viscosity increasing effect can be imparted.
[0020]
The blending amount of the component (B) in the aqueous gel-like vehicle cleaner of the present invention is selected in the range of 0.5 to 3% by weight, preferably 1 to 2% by weight.
If this amount is less than 0.5% by weight, the increase in viscosity is insufficient and does not lead to complete gelation, especially when the outside air temperature exceeds 40 ° C., the viscosity is extremely reduced, and the cleaning agent becomes liquid and begins to flow. However, even if it exceeds 3% by weight, it adversely affects the painted surface of the vehicle, such as penetration and swelling, and the miscibility with water becomes poor during use.
[0021]
The gel thickener of component (C) used in the present invention has an effect of increasing the viscosity. This gelling thickener is a reaction product of vegetable fatty acids or vegetable oils or both and alkanolamine.
[0022]
Examples of vegetable fatty acids include linoleic acid, oleic acid, lauric acid, palmitic acid, stearic acid, etc., and examples of vegetable oils and fats are corn oil, cottonseed oil, olive oil, soybean oil, sunflower oil, coconut oil oil (coconut oil, Palm oil, palm kernel oil, etc.), and the like. These may be used alone or in combination of two or more.
[0023]
Examples of the alkanolamine include monoethanolamine, diethanolamine, monoisopropanolamine, diisopropanolamine and the like, and these may be used alone or in combination of two or more.
[0024]
As the gelling thickener, a mixture in which an amide compound, an ester compound, or an ether compound as a main component is added as a main component, and a condensate of fatty acids, an unreacted fatty acid, an alkanolamine, or the like is added thereto is preferable. The reaction product mixture of lauric acid-diethanolamine, the reaction product mixture of coconut oil-monoethanolamine, the reaction product mixture of coconut oil-diethanolamine, the reaction product mixture of modified oleic acid-diethanolamine, etc. Other preferable examples include a reaction product mixture of oleic acid-diethanolamine, a reaction product mixture of oleic acid-monoisopropanolamine, and the like. As such, for example, Calamide F, Calamide C, Calamide O, Calamide LL, Calamide MC , Calamide LM, Calamide CWT, Calamide CW-100 (all of which are trade names made by Pilot Chemical Company) are commercially available. Yes.
[0025]
The blending amount of the component (C) in the aqueous gel-like vehicle cleaning agent of the present invention is selected in the range of 1 to 6% by weight, preferably 2 to 5% by weight from the viewpoint of handling in actual use.
If this amount is less than 1% by weight, the viscosity is insufficient and does not lead to complete gelation. When the outside air temperature exceeds 40 ° C., it starts to flow. Is not adequately obtained in terms of cost. Further, it is not preferable because it may adversely affect the painted surface of the vehicle, such as penetration and swelling.
[0026]
In the aqueous gel-type vehicle cleaning agent of the present invention, salts are used as the component (D).
These salts exhibit a viscosity adjusting action and, depending on the type, secondary effects such as a pH adjusting action, a builder action, an antirust action, and a chelating action.
[0027]
Various water-soluble salts are exemplified as those exhibiting a viscosity adjusting action. Among them, an alkali metal or alkaline earth metal water-soluble salts of preferably, for example, lithium chloride, sodium nitrite, sodium silicate, sodium metasilicate, sodium chloride, sodium carbonate, sodium bicarbonate, sodium sulfate, sodium hydrogen sulfate, Sodium thiosulfate, sodium sulfite, sodium bromide, sodium dihydrogen phosphate, disodium hydrogen phosphate, trisodium phosphate, sodium hypophosphite, sodium pyrophosphate, sodium metaphosphate, sodium tripolyphosphate, sodium hexametaphosphate , sodium boric acid, sodium click enoic acid, sodium phthalate, sodium benzoate, sodium succinate, sodium maleate, sodium malate, sodium oxalate, sodium acetate, potassium nitrite, silicate Potassium, potassium metasilicate, potassium chloride, potassium carbonate, potassium bicarbonate, potassium sulfate, potassium bisulfate, potassium thiosulfate, potassium sulfite, potassium bromide, potassium dihydrogen phosphate, dipotassium hydrogen phosphate, trisodium phosphate potassium, potassium hypophosphite, potassium pyrophosphate, potassium metaphosphate, potassium tripolyphosphate, potassium hexametaphosphate, potassium boric acid, potassium click enoic acid, potassium phthalate, potassium benzoate, potassium succinate, potassium maleate, Examples include potassium malate, potassium oxalate, potassium acetate, magnesium chloride, magnesium sulfate, calcium sulfate, calcium dihydrogen phosphate, calcium chloride, and calcium hypophosphite. Other water-soluble salts include ammonium sulfate, zinc chloride, aluminum chloride, aluminum sulfate, nickel sulfate, ferrous sulfate, ferric sulfate, ferric chloride, ammonium borate, manganese chloride, manganese sulfate, triammonium phosphate And ammonium dihydrogen phosphate. These may be used alone or in combination of two or more.
[0028]
In addition to the viscosity adjusting action, the pH adjusting action is shown, for example, when raising pH, such as sodium carbonate, potassium carbonate, sodium metasilicate, potassium metasilicate, etc., and when lowering pH, dihydrogen phosphate. Examples thereof include sodium, potassium dihydrogen phosphate, aluminum chloride, sodium hydrogen sulfate, potassium hydrogen sulfate and the like.
[0029]
In addition to viscosity modifiers act, as indicating the builder effect, and Glauber's salt For example, a common alkaline builders, sodium carbonate, sodium bicarbonate, sodium sesquicarbonate, sodium metasilicate, sodium Sesukikei, sodium pyrophosphate And sodium orthophosphate.
[0030]
Moreover, in addition to the viscosity adjusting action, as an action to prevent rust generated in unpainted parts of the vehicle due to residual water at the time of washing, preferably an inorganic rust preventive agent such as sodium dichromate Examples include chromates, silicates such as sodium metasilicate, nitrites such as sodium nitrite and potassium nitrite, polyphosphates such as sodium hexametaphosphate, and mixtures of these with sodium benzoate.
[0031]
In addition to the viscosity adjusting action, those showing the action of preventing the detergency from being reduced when using hard water are preferably chelate compound salts such as ethylenediaminetetraacetate, nitrilotriacetate, uramil diacetate and the like.
Such salts used for the purpose of imparting other secondary effects to the viscosity adjustment or together with it may be used singly or in combination of two or more.
[0032]
The blending amount of component (D) in the aqueous gel-like vehicle cleaning agent of the present invention is selected in the range of 0.1 to 8% by weight, preferably 0.5 to 7% by weight. Within this range, the viscosity can be adjusted by changing the blending amount of the gel thickener and the salt.
If this amount is less than 0.1% by weight, it is necessary to increase the weight ratio of other components in the cleaning agent (for example, surfactant, gelling thickener) for gelation, resulting in high cost. On the other hand, if it exceeds 8% by weight, the viscosity of the cleaning agent is lowered.
[0033]
The anionic surfactant is preferably an α-olefin sulfonate, a higher alcohol sulfate, a polyoxyethylene higher alkyl ether sulfate, or a polyoxyethylene higher alkyl ether carboxylic acid. Salt, amphoteric surfactant is alkylcarboxybetaines or amine oxides, gelling thickener is reaction product mixture of lauric acid and diethanolamine, reaction product mixture of coconut oil and monoethanolamine, coconut oil and diethanolamine Reaction product mixture or modified oleic acid and diethanolamine reaction product mixture wherein the salt is a water-soluble salt of an alkali metal or alkaline earth metal, particularly preferred are higher alcohol sulfates, polyoxyethylene higher salts Alkyl ether sulfur Ester salt or polyoxyethylene higher alkyl ether carboxylate 9 to 19% by weight, alkylcarboxybetaines 1 to 2% by weight, reaction product mixture of modified oleic acid and diethanolamine 2 to 5% by weight, water solubility of alkali metal It consists of an aqueous gel containing 0.5-7% by weight of salt.
[0034]
The aqueous gel-type vehicle cleaning agent of the present invention is obtained by mixing and dissolving the above-mentioned anionic surfactant with water, adding a gelling thickener, stirring and dissolving, and then adding an amphoteric surfactant and salts to increase the viscosity of the gel. Can be prepared.
[0035]
【Example】
EXAMPLES Next, although an Example demonstrates this invention further in detail, this invention is not limited at all by these examples.
[0036]
In addition, the composition in each Example was shown by weight%, and the physical property of the sample was calculated | required with the following measuring methods or evaluation methods.
(1) Viscosity:
Measurement was made at a sample temperature of 20 ° C. using a B-type viscometer.
(2) Fluidity:
The sample was placed in a container and the flow state when tilted was visually judged at room temperature.
○: Gelled and does not flow or is difficult to flow.
Δ: Slightly fluid.
X: It flows clearly.
(3) Temperature stability:
The sample was allowed to stand between −15 ° C. and 50 ° C. every 4 hours for 2 weeks in a cycling tester that was heated and lowered, and the presence or absence of changes in the form such as hue, separation, and solidification was observed.
A: Almost no change in hue or form is observed.
Δ: Some change in hue or form is observed.
X: Significant change in hue or form is observed.
[0037]
Moreover, the composition component shown with the following symbols or abbreviations in each cleaning agent sample is as follows.
POELES: sodium polyoxyethylene lauryl ether sulfate CNOAB: palm oil alkylbetaine MO-DEA: modified oleic acid-diethanolamine reaction product LBS: sodium laurylbenzenesulfonate α-OS: sodium α-olefin sulfonate LSE: lauryl sulfate ester Sodium POELEA: Sodium polyoxyethylene lauryl ether acetate DLPESS: Dilauryl polyoxyethylene sulfosuccinate sodium salt COADCB: Coconut oil alkyldimethylaminocarboxybetaine CNPDCCB: Coconut oil alkylamidopropyldimethylaminocarboxybetaine SDCB: Stearyldimethylaminocarboxybetaine LDO: Lauryldimethylamine oxide CO-DEA: coconut oil-dieta Noramine reaction product LA-DEA: Lauric acid-diethanolamine reaction product CO-MEA: Coconut oil-monoethanolamine reaction product EDTA salt: EDTA disodium
Examples 1-5, Comparative Examples 1-3
Table 1 shows sodium anionic surfactant polyoxyethylene lauryl ether sulfate, betaine amphoteric surfactant coconut oil alkylbetaine, gelled thickener modified oleic acid-diethanolamine reaction product mixture, sodium chloride and purified water Were mixed and dissolved at a prescription ratio shown in FIG. 1 to prepare aqueous gel vehicle detergent samples, and the viscosity of each sample was measured to evaluate fluidity and temperature stability.
[0039]
[Table 1]

[0040]
From this, the sample of each comparative example showed low viscosity and fluidity, whereas the sample of each example exhibited a good high-viscosity gel, excellent temperature stability, and among them, anionic surfactants 9 to 19 It can be seen that the composition exhibits a particularly good high-viscosity gel within the range of 1% by weight, 1 to 2% by weight of amphoteric surfactant, 2 to 5% by weight of gelling thickener, and 0.5 to 7% by weight of salts.
Moreover, the result measured about the viscosity change by the temperature of the cleaning agent sample of Examples 1-5 is shown in FIG. 1 as a graph by the code | symbol of *, *, *, *, and *, respectively.
From this, it can be seen that the sample of Example shows a viscosity of 10,000 mPa · S or higher even at 40 ° C., and can maintain a gel-like appearance even under high temperature conditions such as summer.
[0041]
Examples 6-10
An aqueous gel-like vehicle cleaner sample was prepared according to the formulation shown in Table 2. The viscosity of each sample was measured to evaluate the fluidity and temperature stability.
[0042]
[Table 2]

[0043]
From this, it can be seen that the sample of each example exhibits a good high-viscosity gel and is excellent in temperature stability.
[0044]
Examples 11-13
An aqueous gel-like vehicle cleaner sample was prepared according to the formulation shown in Table 3. The viscosity of each sample was measured to evaluate the fluidity and temperature stability.
[0045]
[Table 3]

[0046]
From this, it can be seen that the sample of each example exhibits a good high-viscosity gel and is excellent in temperature stability.
[0047]
Examples 14-16
An aqueous gel-like vehicle cleaner sample was prepared according to the formulation shown in Table 4. The viscosity of each sample was measured to evaluate the fluidity and temperature stability.
[0048]
[Table 4]

[0049]
From this, it can be seen that the sample of each example exhibits a good high-viscosity gel and is excellent in temperature stability.
[0050]
Examples 17-21
An aqueous gel-like vehicle cleaner sample was prepared according to the formulation shown in Table 5. The viscosity of each sample was measured to evaluate the fluidity and temperature stability.
[0051]
[Table 5]

[0052]
From this, it can be seen that the sample of each example exhibits a good high-viscosity gel and is excellent in temperature stability.
[0053]
【The invention's effect】
The aqueous gel-like vehicle cleaning agent of the present invention has the following various excellent effects.
(1) Even when the concentration of the surfactant is about 20% by weight or more, it exhibits a stable aqueous gel appearance and excellent storage stability, and does not cause problems such as white turbidity and layer separation during storage.
(2) Even if the concentration of the surfactant is about 20% by weight or higher, it is possible to form a stable highly viscous aqueous gel in which each component is uniformly dissolved in water. By quickly dissolving in water and foaming when in use, dirt on the painted surface of the vehicle can be quickly cleaned and removed.
(3) Can be used as a handy-type compact car shampoo. This detergent can be taken directly into a car wash such as a sponge wetted with water and foamed by hand-squeezing it a little. Easy and easy to use. Excellent.
(4) The surfactant can be made higher in concentration than before, and the container can be changed from a bottle shape to a smaller size container, for example, a tube shape or a one-push dispenser shape container. The cost required for storage and the like can be greatly reduced, and handling at the time of use is also improved.
[Brief description of the drawings]
FIG. 1 is a graph showing changes in viscosity with temperature of cleaning agent samples of Examples 1 to 5.

Claims (6)

(A) anionic surfactant 7 to 23% by weight, (B) at least one selected from amphoteric surfactants and semipolar surfactants 0.5 to 3% by weight, (C) vegetable fatty acids and It contains 1 to 6% by weight of a gelling thickener comprising a reaction product of one or both of vegetable oils and alkanolamines, and (D) 0.1 to 8% by weight of salts, and has a viscosity at 20 ° C. An aqueous gel-like vehicle cleaning agent characterized by being an aqueous gel of 10,000 mPa · S or more. The aqueous gel-like vehicle cleaning agent according to claim 1, wherein the alkanolamine is diethanolamine. The aqueous gel-like vehicle cleaning agent according to claim 1, wherein a salt exhibiting a pH adjusting action is used. The aqueous gel-like vehicle cleaning agent according to claim 1, 2 or 3, wherein a salt having a builder function for a detergent is used. The aqueous gel-like vehicle cleaning agent according to any one of claims 1 to 4, wherein a salt exhibiting an antirust action is used. The aqueous gel-like vehicle cleaning agent according to any one of claims 1 to 5, wherein a chelate compound salt is used.

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