JPH06108099A - Tablet detergent composition - Google Patents

Abstract

PURPOSE:To obtain a tablet detergent composition which can be tabletted without sticking to mold, dissolves quickly in water even in the absence of a particular disintegrating or blowing agent, and is excellent in the stability of fragrance. CONSTITUTION:This composition is of a tablet type formed by tabletting 5-50% surfactant, 10-70% potassium carbonate and 0.5-5% powdery perfume formed by impregnating a powder of gum arabic, dextrin, zeolite, silica or sepiolite with a liquid perfume.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tablet-type detergent composition which is excellent in solubility, non-adhesion to a mold during molding and stability of aroma.

[0002]

2. Description of the Related Art Conventional laundry detergents contain a bulking agent having a bulk density of 0.3 g / min. It was manufactured as a bead-shaped hollow particle of about cc.

However, since such a detergent has a low specific gravity and a low concentration of an activator, the transportation cost is high and a considerable space is required for storage and display. Further, even in a general household, there are inconveniences such as a place to put it in place and difficulty in weighing. Therefore, recently, a high bulk density granular detergent that can be washed with a small amount of detergent has been put on the market.

[0004] In order to further improve the convenience, the development of tablet detergents has been attempted recently. However, while the tablet detergent is simple and easy to use, it has a drawback in that it cannot be readily dissolved in water.

Such disintegration in water is also required for tablets used in other fields such as pharmaceuticals and foods. Therefore, in tablets in these fields, in general, in addition to the main components, succinic acid and sodium carbonate or sodium hydrogen carbonate are mixed in a dry state to form tablets, and when contacted with water, acid and carbonate A method is adopted in which the disintegration property is improved and the dissolution of the main component is promoted by reacting with the above to generate carbon dioxide.

However, in the tablet detergent, when a surfactant is used as a main active component in addition to the foaming component as described above, and a liquid component such as a normal fragrance is further added, the mold adheres to the product during the production and the manufacturability is improved. Is significantly deteriorated,
There is also a problem that the disintegration property of the tablet itself is insufficient. Furthermore, during storage of the tablet detergent, the water contained in it and the moisture in the air are absorbed, and the acid-alkali reaction gradually occurs to generate carbon dioxide, so put the tablet detergent in water after storage. Then, there is a problem that the disintegration property is significantly deteriorated and the aroma is greatly deteriorated.

[0007] Further, the present applicant has previously proposed to improve the disintegration property of a tablet detergent in water and the mold releasability at the time of production by adding a poorly water-soluble carboxymethylcellulose powder as a disintegrating agent (special feature: Kaihei 2-3116
No. 00).

[0008]

SUMMARY OF THE INVENTION The present invention overcomes the above drawbacks of the prior art and allows the use of a foaming agent or a disintegrating agent.
It is intended to provide a tablet detergent which is quickly dissolved in water, does not adhere to a mold at the time of production, and is excellent in aroma stability over time.

[0009]

The tablet detergent composition of the present invention is characterized by containing the following components (A) to (C). Composition: (A) Surfactant: 5 to 50% by weight. (B) Potassium carbonate: 10 to 70% by weight. (C) Powder fragrance: 0.5 to 5% by weight.

[0010]

Embodiment

As the surfactant as the component (A), an anionic surfactant, a nonionic surfactant and the like are used, and examples of the anionic surfactant include the following. 1) A straight-chain alkylbenzene sulfonate having an alkyl group having an average carbon number of 8 to 16; 2) an α-olefin sulfonate having an average carbon number of 10 to 20; 3) a lower fatty acid having 8 to 22 carbon atoms in a fatty acid residue Alkyl ester sulfonate,

4) Alkyl sulphate having an average of 10 to 20 carbon atoms, 5) Ethylene oxide having an average of 10 to 20 linear or branched alkyl or alkenyl groups and an average of 0.5 to 8 mol. Alkyl ether sulfate or alkenyl ether sulfate added with 6) Saturated or unsaturated fatty acid salt having an average carbon number of 10 to 22. Alkali metal salts such as sodium and potassium are usually suitable as counterions in these anionic surfactants.

The following are examples of nonionic surfactants. 1) An EO-added nonionic surfactant (alkyl ether ethoxylate) obtained by adding ethylene oxide (EO) in an average of 4 to 25 mol to a primary or secondary alcohol having 8 to 18 carbon atoms. 2) EO obtained by adding ethylene oxide (EO) on average to 4 to 25 mol and propylene oxide (PO) to 3 to 10 mol to a primary or secondary alcohol having 8 to 18 carbon atoms.
-PO addition type nonionic surfactant. 3) Fatty acid polyoxyethylene alkyl ether represented by Chemical formula 1

[0013]

[Chemical 1]

This nonionic surfactant is an alkyl ether of an ethylene oxide adduct of a fatty acid, and is obtained by a two-step method in which ethylene oxide is added to a fatty acid by a conventional method and then alkyl etherification is carried out. For example, trivalent alum Reaction of a fatty acid alkyl ester with ethylene oxide in the presence of a catalyst made of magnesium oxide to which one or more metal ions selected from divalent manganese ions, etc., such as nickel ions, gallium ions, indium ions, and thallium ions are added. It can also be produced by a one-step method (see Japanese Patent Application No. 3-63904).

4) A sugar ester nonionic surfactant comprising an ester of a C6-18 fatty acid and a C5-6 monosaccharide or a monoalkyl ether thereof. 5) A sugar alkyl ether-based nonionic surfactant represented by Chemical formula 2.

[0016]

Embedded image R ₁ O (CH ₂ CH ₂ O) n (Z) x (R ₁ : an alkyl group having 8 to 18 carbon atoms n: 0 to 12 Z: a sugar residue having 5 to 6 carbon atoms x: 1 2-10)

6) Alkanolamides of fatty acids having 8 to 18 carbon atoms. 7) Alkyl (C8-18) dimethylamine oxide.

The surfactant (A) may be used alone or in combination of two or more, and it is contained in the tablet detergent composition in an amount of 5 to 50% by weight, preferably 10 to 40% by weight. % Is compounded. If the blending amount is less than 5% by weight, the tablet shape must be increased or the number of tablets must be increased in order to satisfy the detergency, which is a practical problem. On the other hand, if it exceeds 50% by weight, the amount of other components such as builders to be blended is reduced, which is not preferable.

The component (B) potassium carbonate is 10 to 70% by weight, preferably 30 to 6% by weight in the tablet detergent composition.
0% by weight is compounded. If the content is less than 10% by weight, the effect of improving the solubility is insufficient, while if it exceeds 70% by weight, the restrictions on the formulation of other detergent components increase, which is not preferable. The component (B), potassium carbonate, preferably has an average particle size of 300 μm or less, more preferably 150 μm or less. If the average particle size becomes too large, the solubility is adversely affected.

The powdered fragrance as the component (C) can be prepared by impregnating a liquid fragrance with powder of gum arabic, dextrin, zeolite, silica, sepiolite or the like. For example, 80 parts by weight of dextrin is sprayed with 20 parts by weight of a liquid perfume composition containing the components shown in Tables 1 and 2 below in a trommel to obtain a powdered perfume.

[0021]

[Table 1]Table 1: Fragrance composition Compounding amount Component (Part by weight) 3,7-Dimethyl-1,6-octadien-3-ol 80 3,7-Dimethyl-1,6-octadien-3-yl-acetate 60 3,7-Dimethyl-6-octen-1-ol 40 β- Phenylethyl alcohol 50 p-tert-butyl-α-methylhydrocinnamic aldehyde 70 α-methyl-p-isopropylphenylpropionaldehyde 60 α-n-amylcinnamic aldehyde 20 α-n-hexylcinnamic aldehyde 60 7-acetyl -1,1,3,4,4,6-hexamethyl 80 tetrahydronaphthalene 3- (5,5,6-trimethyl-norbornan-2-yl) 20 cyclohexan-1-ol bertfix 30 2-ethyl-4- ( 2,2,3-Trimethyl-3-cyclopentene 10-1-yl) -2-butan-1-ol 10% α, α- Methyl-p-ethylhydrocinnamic aldehyde 40 2,4-dimethyl-3-cyclohexene-1-carboxaldehyde 10 cis-3-hexenol 10 2-trans-3,7-dimethyl-2,6-octadien-1-ol 30 n-decyl aldehyde 5

[0022]

[Table 2]Table 2: Fragrance composition (continued from Table 2) Compounding amount Component (Part by weight) 10-Undecen-1-al 5 Methylnonylacetaldehyde 5 4- (4-Hydroxy-4-methylpentyl) -3-cyclohexene 30-1-Carboxaldehyde Naphthalene-2-acetyl-1,2,3,4,6,6 7,8 30-Octahydro-2,3,8,8-tetramethyl 5- (2-methylene-6,6-dimethyl-cyclohexyl) 50-4-penten-3-one 2-methoxy-4-propenylphenol 20 Allylcyclohexanepropionate 10 6,7-Dihydro-1,1,2,3,3-pentamethyl 5-4 (5H) -indanone p-propenylphenylmethyl ether 5 Methyl-2-aminobenzoate 5 Lemon oil 30 Orange oil 20 Lavandin oil 20 Patchouli oil 10 3,7-Dimethyl-2,6-octadienal 30Methyl dihydrojasmonate 50

The powdery flavoring agent (C) preferably has a carrier / liquid flavoring agent in a weight ratio range of 90/10 to 50/50.
Further, (C) powder fragrance is added to the tablet detergent composition in an amount of 0.
It is compounded in the range of 5 to 5% by weight.

In the tablet detergent composition of the present invention, in addition to the above components (A), (B) and (C), an inorganic builder such as sodium tripolyphosphate or sodium pyrophosphate; an aluminosilicate (zeolite). , Sodium citrate, sodium ethylenediaminetetraacetate, nitrilotriacetic acid salt, sodium polyacrylate, sodium acrylate-sodium maleic anhydride copolymer, calcium ion-trapping builder such as polyacetal carboxylate; alkali such as sodium carbonate and silicate Builders; sulfites, sulfates; recontamination inhibitors such as polyethylene glycol; viscosity modifiers such as paratoluenesulfonate, toluenesulfonate, xylenesulfonate, urea; enzymes such as protease, lipase, cellulase and amylase. ; Fourth Ammonium salts, softening imparting agent such as bentonite; bleaches, can be used fluorescent agents, dyes and the like.

The tablet detergent composition of the present invention can be easily molded by tableting according to a conventional tablet molding method. For example, a powdery granule containing a surfactant and a potassium carbonate powdery granule, a powdered fragrance or further Powder mixing other optional components, diameter is about 20-60mm, thickness is about 5-20
A tablet having a shape of mm and a weight of about 5 to 60 g is formed.

The water content of the powder mixture used for tableting is 1
0 wt% or less is suitable, and 1 to 10 wt% is suitable. If the water content is too low, a large amount of energy is required for production, which is economically disadvantageous. On the other hand, if the water content is too high, tablets tend to adhere to the mold during manufacturing, which makes it difficult to release the mold.

[0027]

EFFECTS OF THE INVENTION According to the present invention, a surfactant, potassium carbonate and powdered fragrance are blended in a predetermined amount ratio to enable tableting without sticking to a mold, and a disintegrant or a foaming agent. Even without using, a tablet detergent which is rapidly dissolved when added to water and has improved aroma stability can be obtained.

[0028]

EXAMPLES The effects of the present invention will be described more specifically below with reference to examples. Prior to this, the evaluation method used in the examples will be described.

(1) Solubility Evaluation Method (Dissolution Time) The tablet detergent prepared in the example is placed in a beaker filled with tap water at 15 ° C. and 2 liters and stirred at a speed of 250 rpm using a constant speed stirrer. . A conductivity meter is placed in the beaker, the change in the conductivity is read while stirring, and the time at which the conductivity is 90% of the conductivity at the time of complete dissolution is defined as the dissolution time (T ₉₀ ).

(2) Adhesion of mold After tableting, it was visually judged whether or not the detergent was adhered to the mold by the following criteria. ◯: There is no detergent attached to the mold. Δ: Detergent is slightly attached to the mold. ×: Detergent is attached to the mold.

(3) Sensory evaluation method of aroma The sample was sensory evaluated by 5 specific panelists. The sample was stored at 40 ° C. for 2 weeks and compared with the same sample stored at 5 ° C. ◯: Almost the same as the product stored at 5 ° C Δ: Slightly changed compared to the product stored at 5 ° C ×: Clearly changed compared to the product stored at 5 ° C, and the aroma was deteriorated

Example 1 A detergent slurry having a solid content of 45% was prepared by using the anionic surfactant and optional components of the component (A) shown in Table 3 below. The detergent slurry was dried at a hot air temperature of 380 ° C. so that the water content was 5% using a countercurrent spray drying tower to obtain a surfactant-containing spray-dried product.

Next, various non-ionic surfactants in the components (B) and (C) and the component (A) shown in Table 3 were added to the above dried product, and the mixture was uniformly mixed and then compressed into a sample. No. 1-9 tablet detergent composition obtained, solubility,
The mold adhesion and aroma were evaluated.

The tablet detergent composition can also be obtained in the same manner by adding various components (B) and (C) to a tablet obtained by spray-drying an anionic surfactant and a nonionic surfactant in combination and compressing the mixture. The thing is obtained. Here, tableting was carried out by mixing 15 g of the powder composition after uniform mixing with an inner diameter of 40 mm.
100-300 kg / c in the cylinder (mold) of
40m diameter by pressurizing with m ² for 1 minute
A tablet detergent with m and a weight of 15 g was obtained.

[0035]

[Table 3] Sample No. 1 2 3 4 5 6 7 8 9 Composition (A) Component: AOS-K 10 10 10 10 10 10 10 10 10 (wt%) LAS-K 10 10 10 − 10 − − 10 10 α-SF- Na − − − − 10 − 5 10 − − Nonion − 3 − 1 − 5 − 1 1 (B) Component: Carbonic acid-K (150 μm) 40 40 40 40 40 40 40 40 − Carbonic acid-Na (150 μm) − − − − − − − − 40 (C) Component: Powder fragrance −1 − 1.5 − − − 2.0 0.05 6.0 2.0 Powder fragrance −2 − − 3.0 − − − − − − Powder fragrance -3- − − − 2.0 2.0 − − − − Liquid flavor 0.3 − − − − − − − − Optional component: A-type zeolite 10 10 10 10 10 10 10 10 10 Carbonic acid-Na 10 10 10 10 10 10 10 10 10 Silicic acid-Na 5 5 5 5 5 5 5 5 2 Sulfurous acid-Na 2 2 2 2 2 2 2 2 2 2 Glauber's salt balance dissolution time T ₉₀ (min) 3 3 3 4 3 3 3 4 15 Mold adhesion △ ○ ○ ○ ○ ○ △ △ × Fragrance × ○ ○ ○ ○ ○ △ ○ ○ (1) Sample No. 2 to 6 are Examples, Sample No. 1,
7, 8 and 9 are comparative examples (2) Component (A): AOS-K: C ₁₄ -C ₁₈ potassium α-olefin sulfonate LAS-K: linear C ₁₀ -C ₁₄ potassium alkylbenzene sulfonate α-SF- Na: sodium sulfonate of methyl ester of C _{12 to} C ₁₆ saturated fatty acid Nonion: C _{12 to} C ₁₃ EO-added nonionic surfactant obtained by adding 20 mol of ethylene oxide (EO) to primary alcohol on average (3) (B) Ingredients: The average particle size is shown in parentheses. (4) Component (C): The powdered fragrances are all listed in Table 1 above.
And a liquid perfume composition having the composition shown in Table 3 was impregnated into a carrier. "Parts" indicate parts by weight. Powder fragrance-1: 80 parts gum arabic + liquid fragrance composition 2
0 part Powder perfume-2: Dextrin 90 parts + liquid perfume composition 1
0 parts Powder perfume-3: 50 parts zeolite + 30 parts silica + 20 parts liquid perfume composition Liquid perfume: use liquid perfume composition as it is

Claims (1)

[Claims] 1. A surfactant is contained in an amount of 5 to 50% by weight, a potassium carbonate is contained in an amount of 10 to 70% by weight, and a powdered fragrance is contained in an amount of 0.5 to 5% by weight. Tablet detergent composition.