JP2002080897A - Transparent soliddetergent composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transparent solid detergent composition having an improved use feeling, decrease in dissolving or the like. SOLUTION: The transparent solid detergent composition comprises compounding >=3.5% of at least one fatty acid salt selected from the group consisting of compounds represented by the formula (1): R-COO-H2N+(CH3)-CH2- CH2-SO3-X+, the formula (2): R-COO-H2N+-CH2-CH2-SO3-X+, and the formula (3): R-COO-H2N+-CH2-CH2-SO2-X+, [R is a 7-23C saturated or unsaturated hydrocarbon group; and X is an alkali metal or an organic alkali], a fatty acid sodium salt and/or a fatty acid potassium salt, a humectant and water.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a transparent solid detergent composition, and more particularly to an improvement in the fatty acid counterion composition thereof.

[0002]

2. Description of the Related Art A transparent solid detergent composition has a high quality image due to its transparency, and can exhibit deep color tone and metallic feeling even when an appropriate amount of dye or pigment is added. Widely used for high-grade facial cleansers and the like. Heretofore, as a composition component of a transparent solid detergent composition, a composition in which glycerin, sucrose or the like is added as a clarifying agent to a base material such as a fatty acid soap has been mainly used. As a fatty acid soap as a base material, an alkali metal soap using sodium, potassium or the like as a counter ion of a fatty acid is mainly used.

[0003]

These fatty acid alkali metal soaps have the advantages that they are inexpensive, have good lathering, and that the foam quality is creamy. And the like. In addition, a soap made of a weak base such as triethanolamine or lysine and a fatty acid has been used in consideration of the feeling of tightness after use, but it has not been sufficiently improved.
The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a transparent solid detergent composition having improved usability, dissolution and the like.

[0004]

Means for Solving the Problems In order to achieve the above object, the present inventors have conducted intensive studies and found that N-
By using methyl taurine alkali metal salt, taurine alkali metal salt, hypotaurine alkali metal salt,
It has been found that the composition is an excellent transparent solid detergent composition that is less soluble without impairing the sense of transparency and does not have a firm feeling, and has completed the present invention.

That is, the transparent solid detergent composition of the present invention comprises one or more fatty acid salts selected from the group consisting of compounds represented by the following general formulas (I) to (III): 3.5% or more,

Embedded image ^{_{R-COO - H 2 N +}} (CH 3) -CH 2 -CH 2 -SO 3 - X + ... (I)

Embedded image ^{_{R-COO - H 2 N +}} -CH 2 -CH 2 -SO 3 - X + ... (II)

Embedded image ^{_{R-COO - H 2 N +}} -CH 2 -CH 2 -SO 2 - X + ... (III) ( wherein R is a saturated or unsaturated hydrocarbon group of 7 to 23 carbon atoms, X represents an alkali metal or an organic alkali)
It is characterized by combining a fatty acid sodium salt and / or a fatty acid potassium salt, a humectant, and water.

Further, in the composition according to the present invention, the counter ion of the fatty acid is a counter ion of the general formulas (I) to (III): 5 to 50 sodium: 40 to 95 potassium: 0 to 20 It is preferred that there be.

In the composition according to the present invention, the total amount of the fatty acid salts is 35 to 55% by weight, and the humectant is 15 to 3% by weight.
It is preferred that 5% by weight and 15 to 25% by weight of water be used. In the composition according to the present invention, 3
2 to 100 moles of propylene oxide and 50 moles of ethylene oxide are added to a polyhydric alcohol having at least two hydroxyl groups.
It is preferable to contain a polyether humectant obtained by addition polymerization of not more than 1 mol with respect to the total amount of the humectant in an amount of 5 to 50% by weight.

Further, in the composition of the present invention, it is preferable that the fatty acid salt, the humectant and the water in a molten state are poured into a mold, cooled and solidified to form a solid kneaded solid detergent composition. is there. In the present invention, the term "transparent solid detergent composition" means that the composition is substantially transparent except for coloring agents such as dyes and pigments.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below. In the present invention, the above general formulas (I) to (I)
R in (III) is a saturated or unsaturated hydrocarbon group having 7 to 23 carbon atoms. Specific examples thereof include heptyl, octyl, nonyl, decyl, undecyl, undecyl, dodecyl, and tridecyl. Group, tetradecyl group, pentadecyl group, hexadecyl group, linear saturated hydrocarbon group such as heptadecyl group, octadecyl group, tetraeicosyl group, and branched saturated hydrocarbon group such as 2-methylheptadecyl group and 2-ethylpentyl group Group, 8-heptadecenyl group,
Examples thereof include a linear unsaturated hydrocarbon group such as an oleyl group and a 4,6-octadecadienyl group, and a branched unsaturated hydrocarbon group such as a 2-methyloctadeca-6-enyl group.

Further, the above-mentioned general formulas (I), (II) and (III)
In the formula, X is an alkali metal such as sodium, potassium or lithium, or an organic alkali such as triethanolamine, diethanolamine or lysine. In addition, fatty acids fatty sodium or potassium fatty acid salts in the present invention R-COO ^- for R, the general formula (I) ~ (III)
In common with the definition of R of the fatty acid.

It is preferable to use the same fatty acids as those of the general formulas (I) to (III) and the fatty acids sodium and potassium. Further, in the present invention,
It is particularly preferable to add an alkali agent containing a taurine-based counter ion, a sodium ion, and a potassium ion as a counter ion substantially equivalent to the fatty acid to the heated and melted fatty acid to neutralize the fatty acid.

Further, humectants preferably used in the present invention include sucrose, sorbitol, glycerin,
1,3-butylene glycol, propylene glycol,
Saccharoids such as dipropylene glycol or polyols are exemplified. In particular, as a humectant suitable in the present invention, a polyether compound obtained by addition-polymerizing 2 to 100 mol of propylene oxide and 50 mol or less of ethylene oxide to a polyhydric alcohol nucleus having three or more hydroxyl groups in a molecule is preferable. It is preferably used. The polyether humectant is preferably used in an amount of 5 to 50 with respect to the total humectant amount.
% By weight. Examples of the polyhydric alcohol nucleus at this time include glycerin, diglycerin, pentaerythritol, dipentaerythritol, and various monosaccharides, disaccharides, and oligosaccharides as exemplified below.

Examples of the disaccharide include trehalose, saccharose, maltose, lactose and the like. Examples of polysaccharides include gentianose, raffinose, meletitose, stachyose, cellulose, hemicellulose, starch, chitin glycogen, and the like. Examples of the sugar alcohol include D-sorbit, D-mannose, D-mannitol and the like. Examples of the sugar carboxylic acid include D-mannonic acid, D-gluconic acid, aldonic acid, uronic acid and the like. As carbohydrate derivatives, inosit, α-acrose, glucosone,
Methyl fructopyranoside, sorbitan, ethyl glucofuranoside, gluconolactone, arbutin, monoacetylsorbitol, diacetylsorbitan, sorbitan laurate, sorbitan oleate,
Glucose phosphate and the like are exemplified.

The transparent solid detergent composition according to the present invention may further comprise, in addition to the above essential components, soaps, alkyl sulfates (salts), polyoxyethylene alkyl ethers usually contained in the detergent composition, if necessary. Sulfuric acid (salt), hydroxyalkyl ether carboxylic acid (salt)
Such as anionic surfactants, imidazoline amphoteric surfactants, amphoteric surfactants such as betaine amphoteric surfactants,
Nonionic surfactants such as polyoxyethylene alkyl ethers, polyoxyethylene fatty acid esters, sucrose fatty acid esters, alkyl glycosides, maltitol hydroxy aliphatic ethers, cationic surfactants such as trimethylalkylammonium chloride, assemblies, peonies, irises , Plant extract components such as horsetail, drugs such as tranexamic acid and arbutin, ingredients such as fragrances and preservatives can be appropriately compounded.

The transparent solid detergent composition according to the present invention is preferably produced as shown in FIG. That is, various fatty acids and lower alcohols such as ethyl alcohol are heated and melted at 40 to 60 ° C., and alkalis serving as counter ions are added thereto to neutralize. A humectant such as saccharides and polyols, other additives and chemicals are added to the mixture, and the mixture is uniformly dissolved, and if necessary, a fragrance and a dye are added. The liquid is poured into a frame, and cooled and solidified.
After that, remove the frame, cut if necessary, 40 days ~
Let dry ripen for 60 days. This is polished, surface dried, shaped, wiped on top and packaged as needed.

Hereinafter, preferred embodiments of the present invention will be described.
I will tell.Evaluation method  In the following test examples, evaluation was performed as follows.
Was. Solidification properties ：: When solidified as a whole △: When solidified as a whole but soft x: When solidified as a whole cannot be obtained

Transparency Each sample was cut evenly to a thickness of 20 mm, placed on a 26-point typeface, and judged whether it was legible or not. ：: Clearly legible. ：: readable. Δ: Somehow readable. ×: Not legible.

Uniformity ：: Transparent and uniform as a whole Δ: Transparent but partially non-uniform as a whole ×: Crystals precipitated as a whole Bubbling Female panelists (20, 20 to 40 years old) ), The solid soap to be tested was picked up by hand and foamed with tap water in a normal face washing mode, and evaluated. ◎: extremely good ○: good foaming △: normal foaming ×: poor foaming

Tightness after washing the face A female panelist (20 persons, 20 to 40 years old) took the test solid soap in her hands in the usual manner of washing her face, lathered it with tap water and washed her face. ◎: No feeling of tightness, very good ○: No feeling of tightness, good △: Normal ×: Good feeling of tightness

Dissolution loss Friction solubility according to JIS K-3304 was evaluated as dissolution loss. That is, a sample piece having a constant weight (15 mm cross section) was placed on a film surface wet with tap water prepared at 40 ° C.
× 20 mm), and the film is rotated and frictionally melted for 10 minutes. Then, the friction solubility per a fixed area was determined from the weight before and after the friction melting. ◎: 20 or less ○: 20 to 35 Δ: 35 to 50 ×: 50 or more

[0021]Examination of counter ion of fatty acid  First, the present inventors considered that as a counter ion of mixed fatty acids,
Lium, sodium N-methyltaurate, N-tauri
Using sodium phosphate and sodium hypotaurate
A clear solid detergent composition was prepared and subjected to various evaluations. So
Table 1 shows the results. Specifically, mixed fatty acids (cow
Fat fatty acid / coconut oil fatty acid = 8/2)
It was blended to obtain a fatty acid salt.

This fatty acid salt 40% by weight, sorbitol 10
A detergent composition was obtained by a framing method using a mixed component of 5% by weight, 5% by weight of glycerin, 10% by weight of sugar, 15% by weight of ethanol and 20% by weight of ion-exchanged water as raw materials. That is, the above-mentioned raw material is heated to 70 to 80 ° C. to be uniformly dissolved, and then is poured into a mold. Thereafter, this was cooled and the solidified product was dried and aged to obtain a solid detergent composition. In addition, the counter ion was shown by the molar ratio in the equivalent of a fatty acid and an alkali, unless otherwise specified.

[0023]

[Table 1]Test Example 1 Test Example 2 Test Example 3 Test Example 4  Sodium 100 80 80 80 N-methyltaurine Na-20--N-taurineNa--20-Hyphotaurine Na − − − 20  Solidification ○ ○ ○ ○ Transparency ◎ ◎ ◎ ◎ Uniformity ○ ○ ○ ○ Foaming △ ○ ○ ○ Tightness after face washing × ◎ ◎ ◎Melts less ○ ◎ ◎ ◎ 

According to Table 1, the same fatty acid
Compared to the case where only thorium was used as the counter ion, N-methyl
Rutaurine sodium, N-taurine sodium, N-
Added taurine counterion of hypotaurine sodium
In such cases, foaming, a feeling of tightness after washing the face, dissolution, etc.
Significant improvement in terms was observed.Taurine counterion molar ratio  The present inventors have further suggested that sodium N-methyltaurine is preferred.
An appropriate counterion ratio (molar ratio) was examined. What
The test method is in accordance with the examples in Table 1 above.

[0025]

[Table 2]Test Example 5 6 7 8 9 10 11 12  Sodium 99 95 90 80 70 60 50 40 N-methyltaurine Na 1 5 10 20 30 40 50 60 Solidification ○ ○ ○ ○ ○ ○ ○ ○ Transparency ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ △ Uniformity ○ ○ ○ ○ ○ ○ ○ × Foaming ○ ○ ○ ○ ○ ○ ○ − Tightness after face wash × ○ ○ ◎ ◎ ◎ ◎ −○ ○ ○ ◎ ◎ ◎ ◎ −

According to Table 2, the effect is recognized when the molar ratio of N-methyltaurine as a counter ion is 5 or more. The present inventors have further studied as N-methyltaurine sodium fatty acid, and it has been clarified that the addition effect is recognized by the presence of 3.5% by weight or more in the composition.

[0027]Effect of adding potassium ion  Generally, the addition of potassium ion improves the detergency and foaming
While tending to promote softening. Therefore,
As for the bright person, various amounts of N-methyltaurine sodium
The effect of adding potassium ions under
Was. The test method is as described above, and the counter ion is a molar ratio.
Indicated.

[0028]

[Table 3]Test Example 13 14 15 16 17 18 18 19 20  Sodium 90 85 80 70 60 50 40 30 Potassium 10 10 10 10 10 10 10 10N-methyltaurine Na 0 5 10 20 30 40 50 60  Solidification ○ ○ ○ ○ ○ ○ ○ × Transparency ◎ ◎ ◎ ◎ ◎ ◎ ○-Uniformity ○ ○ ○ ○ ○ ○ ○-Foaming ○ ○ ○ ○ ○ ○ ○-Tightness after face wash × ○ ○ ◎ ◎ ◎ ◎ ◎ −Melting decreases △ ○ ○ ◎ ◎ ◎ ◎ −

[0029]

[Table 4]Test Example 21 22 23 24 25 26 27  Sodium 80 75 70 60 50 40 30 Potassium 20 20 20 20 20 20 20N-methyltaurine Na 0 5 10 20 30 40 50  Solidification ○ ○ ○ ○ ○ ○ × Transparency ◎ ◎ ◎ ◎ ◎ ◎ − Uniformity ○ ○ ○ ○ ○ ○ − Foaming ◎ ◎ ◎ ◎ ◎ ◎ −Melting decreases △ ○ ○ ◎ ◎ ○ −

[0030]

[Table 5]Test Example 28 29 30 31 32 33 34  Sodium 70 60 50 40 60 50 40 Potassium 30 30 30 30 40 40 40 N-methyltaurine Na 0 10 20 30 0 10 20 Solidification ○ ○ ○ × ○ × × Transparency ◎ × × × × × × Uniformity ○ × × × × × × Foaming ◎ − − − − − − Tightness after face wash × − − − − − − −× − − − − − −

From Tables 3 to 5, it can be seen that when the molar ratio of potassium to counter ion is 20 or less, foaming can be improved, but when it exceeds 20, it becomes difficult to solidify and the uniformity is adversely affected. It is understood that this will occur.

[0032]Fatty acid salt content  Next, the inventors have determined the amount of the fatty acid salt in the composition.
Was examined. That is, as shown below,
Prepare the salt part and the remainder, mix them in an appropriate ratio,
A product was obtained. Fatty acid salt portion Mixed fatty acid (C14 / C16 / C18 / isoC18 =
60/20/10/10) is converted to sodium fatty acid /
Fatty acid potassium / fatty acid N-methyltaurine sodium
= 70/10/20.

Residual The remaining part was composed of 10 parts of sorbitol, 5 parts of glycerin, 10 parts of sugar, 15 parts of ethanol and 20 parts of ion-exchanged water. The above fatty acid salt portion and the remaining portion were 4 at the ratio shown in Table 6.
The mixture is heated to 0 to 60 ° C. to be uniformly dissolved, and then poured into a mold and cooled. The solidified product was dried and aged to obtain a solid detergent composition.

[0034]

[Table 6]Test example 35 36 37 38 39 40 41  Fatty acid salt part 30 35 40 45 50 55 60 Solidification × × ○ ○ ○ ○ ○Uniformity − ○ ○ ○ ○ ○ ×  From the results in Table 6, the amount of the fatty acid salt in the composition was 3
5-55% by weight is preferred.

[0035]Examining the amount of humectant  Next, the present inventors studied the amount of humectant in the composition.
Was. The test was performed as follows. That is, mixed
Synthetic fatty acids (C14 / C16 / C18 / isoC18 = 6
0/20/10/10) and ethanol was added.
Heat to about 60 ° C in the reaction vessel and add sodium hydroxide / N-
Neutralize by adding sodium tiltaurine in the ratios in the table below,
A fatty acid soap was obtained. The following table shows the fatty acid soap and humectant.
10% by weight of ethanol, ion-exchanged water
20% by weight, and heat-dissolved at 70-80 ° C.
A cleaning composition was obtained by the method. The results are shown in Tables 7 to 10 below.
Shown in

[0036]

[Table 7]Test Example 42 43 44 45 46  Na / N-methyltaurine Na 95/5 Soap content 25 35 45 55 60Total amount of moisturizer 45 35 25 15 10  Solidification △ ○ ○ ○ Not manufactured Transparency ◎ ◎ ◎ ◎ − Uniformity ○ ○ ○ ○ − Foaming ○ ○ ○ ○ − Tightness after face wash ○ ○ ○ ○ −Melting decreases △ ○ ○ ○ −

[0037]

[Table 8]Test Example 47 48 49 50 51  Na / N-methyltaurine Na 75/25 Soap content 25 35 45 55 60Total amount of moisturizer 45 35 25 15 10  Solidification × ○ ○ ○ ○ Transparency-◎ ◎ ◎ △ Uniformity-○ ○ ○ △ Foaming-○ ○ ○ ○ Tightness after face washing-◎ ◎ ○ ○Less melting − ○ ◎ ◎ ○

[0038]

[Table 9]Test example 52 53 54 55 56  Na / N-methyltaurine Na 50/50 Soap content 25 35 45 55 60Total amount of moisturizer 45 35 25 15 10  Solidification × ○ ○ ○ ○ Transparency-◎ ◎ ○ △ Uniformity-○ ○ ○ △ Foaming-○ ◎ ◎ ○ Tightness after face washing-◎ ◎ ◎ ○Less melting − ◎ ◎ ◎ ◎

[0039]

[Table 10]Test Example 57 58 59 60 61  Na / N-methyltaurine Na 40/60 Soap content 25 35 45 55 60Total amount of moisturizer 45 35 25 15 10  Solidification × △ ○ ○ ○ Transparency-△ × × × Uniformity-△ × × × Foaming-△ ○ ○ ○ Tightness after face wash-◎ ◎ ◎ ○Less melting − ○ ◎ ◎ ◎

As is clear from Tables 7 to 10, when the proportion of N-methyltaurine in the counter ion increases, the transparency may be slightly lowered, but the transparency is improved by adding an appropriate amount of a humectant. Can be achieved. In particular, when the blending amount of the humectant is 15 to 35% by weight in the composition, improvement is recognized in terms of transparency, tightness, melting and dissolution, and the like.

[0041]Effect of adding polyether humectant  Mixed fatty acids (C14 / C16 / C18 / isoC18 =
60/20/10/10), and add ethanol.
Heat to about 60 ° C in a reaction kettle and add sodium hydroxide / hydroxy
Potassium iodide / sodium N-methyltaurine = 80/1
Neutralization was performed at a ratio of 0/10 to obtain a fatty acid soap. This fat
A humectant with a fatty acid soap content of 40% by weight and a ratio (weight ratio) shown in the following table
25% by weight, 15% by weight of ethanol, and ion exchange
Mix 20% by weight of water and heat to 40-60 ° C to make it uniform
Dissolve, pour it into the mold and cool. Solidified
Was aged and dried to obtain a solid detergent composition.

[0042]

[Table 11]

As is clear from Table 11, the polyether
Moisturizers are used to improve the tightness,
It has an excellent effect as compared with the humectant component.Types of taurine counterions  Next, the present inventors consider the types of the general formulas (I) to (III) as follows.
It was examined about. That is, mixed fatty acids (C14 /
C16 / C18 / isoC18 = 60/20/10/1
Add ethanol to 0) and bring it to about 60 ° C in the reactor.
Heat to sodium hydroxide / potassium hydroxide /
Urine counter ion = 70/10/20 added at medium
The fatty acid soap was obtained.

A mixture of 40% by weight of fatty acid soap, 10% by weight of sorbitol, 5% by weight of glycerin, 10% by weight of sugar, 15% by weight of ethanol and 20% by weight of ion-exchanged water was used as a raw material. A cleaning composition was obtained by the method.

[0045]

[Table 12]Test Example Counterion Solidification Uniformity Foaming Tightness Melting less  66 N-methyltaurine Na ○ ○ ○ ◎ ◎ 67 N-methyltaurine K ○ ○ ○ ◎ ◎ 68 N-taurine Na ○ ○ ○ ◎ ◎ 69 N-taurine K ○ ○ ○ ◎ ◎ 70 N-hypotaurine Na ○ ○ ○ ◎ ◎ 71 N-methyltaurine K ○ ○ ○ ◎ ◎ 72 N-methyltaurine triethanolamine○ ○ ○ ◎ ◎  From the results shown in Table 12, the alkali of the taurine-based counter ion is shown.
It turns out that a metal is not specifically limited.

[0046]

EXAMPLES Preferred examples of the present invention will be described below. All formulation examples were manufactured by a conventional method. In addition, all had excellent transparency, melting resistance, and a feeling of use. Formulation Example 1 Lauric acid 7.0% by weight Myristic acid 10.0 Palmitic acid 3.0 Stearic acid 6.0 Isostearic acid 1.5 Sorbit 7.5 Alcohol 15.0 Edetate 0.1 Sodium hydroxide 1.1 Sodium N-methyltaurine 9.2 Sodium hydroxyalkyl ether carboxylate 3.0 Salt 0.5 Sugar 10.0 10.0 POP (9) diglyceryl ether 5.0 BHT 0.1 Dye Appropriate amount Ion exchange water Remainder

Formulation Example 2 Lauric acid 5.0% by weight Myristic acid 10.0 Palmitic acid 3.0 Stearic acid 5.0 Isostearic acid 3.0 Glycerin 10.0 Diglycerin 3.5 Sorbit 4.0 Alcohol 10.0 Edetate 0.1 Sodium hydroxide 3.6 Sodium N-methyltaurine 3.5 Sodium hydroxyalkyl ether carboxylate 2.0 POE (60) hydrogenated castor oil 2.0 Lauroylimidazolinium betaine 2.0 Salt 0.0 5 Sugar 10.0 BHT 0.1 Dye Appropriate amount Deionized water balance

Formulation Example 3 Lauric acid 8.0% by weight Myristic acid 12.0 Palmitic acid 4.0 Stearic acid 6.0 Oleic acid 4.0 Sorbit 11.0 Glycerin 5.0 Alcohol 16.5 Edetate 0.0 1 Sodium hydroxide 4.2 N-methyltaurine sodium 5.5 Salt 0.5 Sugar 11.0 BHT 0.1 Titanium oxide 0.1 Dye Appropriate amount Deionized water balance

Formulation Example 4 Lauric acid 7.0% by weight Myristic acid 10.0 Palmitic acid 3.0 Stearic acid 6.0 Isostearic acid 1.5 Sorbitol 7.5 Alcohol 15.0 Edetate 0.1 Sodium hydroxide 6.0 Potassium N-taurine 2.1 Sodium hydroxyalkyl ether carboxylate 3.0 Salt 0.5 Sugar 10.0 10.0 POP (9) diglyceryl ether 0.1 Dye Appropriate amount Deionized water balance

[0050]

As described above, according to the transparent solid detergent composition of the present invention, by using a specific taurine-based alkali agent as a counter ion of a fatty acid, excellent transparency and resistance to melting and reduction are achieved. And a feeling of use after facial cleansing can be obtained.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a preferred production process of a transparent solid detergent composition according to the present invention.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoshinobu Saito 1-5-13 Mishimaoka, Ibaraki City, Osaka Prefecture Inside Shiseido Hone Cake Industry Co., Ltd. (72) Inventor Nobuyuki Kishi 1-5-5 Mishimaoka, Ibaraki City, Osaka Prefecture No. 13 Shiseido Hone Cake Industry Co., Ltd. F term (reference) 4H003 AB03 AB05 AB44 AB46 BA01 DA02 EA19 EA21 EB04 EB05 EB06 EB16 EB22 EB34 EB41 ED02 FA10 FA21

Claims (5)

[Claims] (1) at least 3.5% of one or more fatty acid salts selected from the group consisting of compounds represented by the following general formulas (I) to (III): ^{_{COO - H 2 N + (CH}} 3) -CH 2 -CH 2 -SO 3 - X + ... (I) ## STR2 ## ^{_{R-COO - H 2 N +}} -CH 2 -CH 2 -SO 3 - X + ... (II) ## STR3 ## ^{_{R-COO - H 2 N +}} -CH 2 -CH 2 -SO 2 - X + ... (III) ( in the formula R is a saturated or unsaturated 7 to 23 carbon atoms A hydrocarbon group, X represents an alkali metal or an organic alkali)
A transparent solid detergent composition comprising a fatty acid sodium salt and / or a fatty acid potassium salt, a humectant, and water. 2. The composition of claim 1, wherein the fatty acid R-
A transparent solid detergent composition characterized in that the counter ion of COO ⁻ is, in molar ratio, a counter ion of general formulas (I) to (III): 5 to 50 sodium: 40 to 95 potassium: 0 to 20 object. 3. The composition according to claim 1, wherein
Fatty acid salts total 35-55% by weight, humectant 15-
A transparent solid detergent composition comprising 35% by weight and 15 to 25% by weight of water. 4. The composition according to claim 1, wherein 2 to 100 mol of propylene oxide and 50 mol or less of ethylene oxide are addition-polymerized to a polyhydric alcohol nucleus having three or more hydroxyl groups in a molecule. A transparent solid detergent composition comprising an ether humectant in an amount of 5 to 50% by weight based on the total amount of the humectant. 5. The composition according to claim 1, wherein the fatty acid salt, the humectant and the water in a molten state are poured into a mold, cooled and solidified. A transparent solid detergent composition.