JPS62146997A - Solid detergent - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a solid detergent having a blended oil component with good stability and a non-sticky surface.

[Prior art]

Generally, in solid detergents such as solid face soaps, fragrance oil is added to give fragrance, and various oils such as olive oil, wheat germ oil, and vitamin oil are added to protect the skin during the kneading process. added to the agent. However, these types of oils emulsify during the mixing process and become unstable due to the influence of free alkalis in the soap base, so solid detergents containing these oils cannot be stored for long periods of time. The disadvantage was that it lacked stability later on. In addition, these various oils are inherently incompatible with the soap base, so the oils leach onto the surface of the soap over time, making it impossible to release the oils sustainably and effectively during use. Moreover, when the user touches the soap, the user feels uncomfortable when using the soap.

〔the purpose〕

The present invention differs from the conventional solid detergents described above in that it has excellent ability to retain oil stably, does not seep out of oil onto the surface of the solid detergent, has an excellent feeling of use, and is capable of retaining oil sustainably and effectively during use. The object of the present invention is to provide a solid cleaning agent that can be released into the environment.

〔composition〕

According to the present invention, the oil absorption amount is 100 to 500IIIQ/1
An oil-containing solid detergent is provided, characterized in that 00 g of sepiolite is impregnated with oil.

In the present invention, the oil content is 100 to 50 axis Q'/
Since it is contained in the solid detergent in the form of 100g of sepiolite impregnated with it, it is possible to stably contain a large amount of oil, making it possible to obtain a product with excellent usability. When it comes into contact with water or hot water, the oil impregnated in sepiolite is released uniformly, and various effects based on the oil are sustained and efficiently exerted.

The sepiolite used in the present invention is formite of magnesium silicate clay, and is a porous material having a fibrous brick structure and many tunnel-like pores inside, and has an oil absorption of 100 to 500 III fl/10.
0 g, preferably 200-500 m 11 /100
g.

If the oil absorption amount of sepiolite is less than Loom Q /100 g, a large amount of sepiolite must be added to the solid detergent, resulting in poor moldability, reduced foaming properties, etc., and the performance originally required for face wash. be lost. Also 5
No samples exceeding 0 Q/100 g were obtained.

Further, the average particle size of sepiolite used in the present invention is usually 0.1 to 50 μm, preferably 0.1 to 10 μm.
It is better to make it less than m. The average particle size of sepiolite is 50
If it exceeds .mu.m, the resulting solid detergent will not feel good on the skin, and the crosstalk device will be abraded, and metal powder produced by this abrasion will be mixed into the solid detergent, which is not preferable.

The amount of sepiolite used is usually 0.01 to 20% by weight, preferably 0.1 to 15% by weight based on the total amount of the solid detergent.
It is. If the amount used is less than 0.01% by weight, the oil cannot be effectively contained, and if it exceeds 20% by weight, the feeling of use becomes poor, which is not preferable.

Specific examples of sepiolite used in the present invention include a powder itself obtained by refining and pulverizing sepiolite raw ore, a solid product obtained by kneading the powder with water or a binder and drying it, or a pulverized solid product thereof, or a sepiolite powder thereof. 1
Examples include powders heated and calcined at 00 to 800°C or solids of the powders.

In the present invention, in particular, sepiolite is 300 to 80%
It is preferable to use calcined sepiolite heated and calcined at 0°C. Such calcined sepiolite appropriately releases the impregnated oil content and exerts the effect based on the oil content sustainably and efficiently.

In the present invention, solid sepiolite powder is obtained by kneading sepiolite powder with water, molding, and drying.
Alternatively, it can be obtained by heating and baking the kneaded molded product, but in this case, water-soluble or hydrophobic polymers and waxes are used as a binder to increase strength.
Paraffin, surfactant, etc. can be used in combination. Specific examples of polymers that can be used in combination in this case include corn starch, sodium alginate, gum arabic,
Synthesis of natural polymers such as gelatin, cellulose derivatives such as methylcellulose, hydroxyethylcellulose, carboxymethylcellulose, and ethylcellulose, as well as polyvinyl alcohol, sodium polyacrylate, polyethylene oxide, polyacrylamide, polyvinylpyrrolidone, acrylic esters, methacrylic esters, etc. Examples include polymers.

The oil to be impregnated into the sepiolite in the present invention includes:
Examples include liquid or solid natural animal and vegetable oils and various synthetic oils, and the type thereof is not particularly limited, but from the viewpoint of appropriate release of oil content during use, 2000c is preferable.
p (25°C) or less, particularly preferably 1000 cp (25
℃) or less is used.

In the case of solid waves 1. It is advantageous to incorporate a low viscosity oil, such as turpentine, to reduce the viscosity to below 2000 cp (25° C.).

Specific examples of oil content are shown below.

(1) Animal and vegetable oils Wheat germ oil, olive oil, egg yolk oil, lanolin oil.

Castor oil, almond oil, cocoa butter, vitamins, avocado oil, turdle oil, soybean oil, cottonseed oil, peanut oil, etc.

(2) Waxes lanolin, jojoba oil, etc.

(3) Hydrocarbons squalane, vaseline, ceresin, liquid paraffin, etc. (4) Synthetic esters Various aliphatic, alicyclic and aromatic esters obtained from carboxylic acids and alcohols.

(5) Silicone derivatives such as silicone oil and modified silicone oil (6) Lemon oil, orange oil, jasmine oil, rose oil, patchyori oil, sandalwood oil, lavender oil, geranium oil, ylang-ylang oil, peppermint oil, etc. Natural essential oils, hydrocarbon-based, alcohol-based, aldehyde-based, or ester-based synthetic fragrance oils.

These oils can be used alone or in the form of a mixture of two or more, and the amount added is usually 0.01 to 20% by weight, preferably 0.1% by weight, based on the solid detergent. ~
It is 10% by weight.

The ratio of oil added to sepiolite is usually 10 to 500 parts by weight, preferably 50 to 300 parts by weight, per 100 parts by weight of sepiolite.

In general, if the amount of oil added is less than 10 parts by weight, the oil will be strongly adsorbed by sepiolite, making it difficult to release the oil during use, which is undesirable, and if it exceeds 500 parts by weight, free oil will This is undesirable because oil leaching onto the surface of the solid detergent and a decrease in oil stability occur.

In addition, it is acceptable for the amount of oil added to slightly exceed the saturated oil absorption amount of sepiolite, but if it exceeds the saturated oil absorption amount by a large amount,
This is not preferred because it produces the same results as when oil is added directly to the solid detergent.

In the present invention, the sepiolite is impregnated with the oil. Examples of such an impregnation method include dropping or spraying the oil on the sepiolite at room temperature or under heated conditions, or There are methods such as soaking sepiolite.

The cleaning base material of the solid cleaning agent used in the present invention is generally known, and its type is not particularly limited. and other solid detergent components, such as salts of sulfonated alpha olefins, alkylaryl sulfonates, 7-alkyl alcohol sulfuric esters or salts thereof, sodium isethionate, sarcosine, and the like.

In order to produce the solid detergent of the present invention, for example, the oil-containing sepiolite described above may be uniformly kneaded with a cleaning base material. In this case, the cleaning base material is made into chips, and the chips and oil-containing sepiolite are mixed together. Particularly effective is a method in which the mixture is stirred in advance using a mixer to form a homogeneous mixture and then kneaded.

〔effect〕

Since the solid detergent of the present invention is formulated with oil impregnated into a specific sepiolite, it has a non-sticky surface and is comfortable to use, as well as extremely stable after long-term storage. It is of good quality, and when used, when it comes into contact with water or hot water, the oil impregnated in the sepiolite is released uniformly, and various effects based on the oil are exerted sustainably and efficiently. . In addition, in the conventional technology, when the amount of oil added is increased, the miscibility between the oil and the cleaning base material decreases, resulting in slippage of the mixed roll and difficulty in peeling off the solid cleaning agent from the mold during the stamping process. However, there was a problem that productivity deteriorated significantly.
In the case of the present invention, such a problem does not occur, so that productivity can be significantly increased.

〔Example〕

Next, the present invention will be explained in more detail with reference to Examples.

Example 1 2 parts by weight of sepiolite (average particle size 1 μm) was impregnated with 5 parts by weight of the oil shown in Table 1, and the impregnated product was mixed with sodium obtained from fats and oils consisting of beef tallow/coconut oil = 80/20. 90 parts by weight of soap dry chips (moisture 12%)
), mixed using a mixing mixer, repeated mixing three times with a mixing roll, extruded the obtained mixed material into a rod shape using an extruder, cut it into pieces of about 100 g, and cut this cut product into The solid detergent of the present invention was obtained by placing it in a soap mold and stamping it.

Comparative Example 1 Diatom ± (average particle size 10
A solid detergent of Comparative Example 1 was obtained in the same manner as in Example 1 except that .mu.m) was used.

Comparative Example 2 Instead of sepiolite in Example 1, talc (average particle size 8 μm) was used.
A solid detergent of Comparative Example 2 was obtained in the same manner as in Example 1 except that m) was used.

Comparative Example 3 A solid detergent of Comparative Example 3 was obtained in the same manner as in Example 1 except that the sepiolite of Example 1 was removed.

Next, the soap obtained as described above was evaluated for its manufacturability, stability, and feeling of use.

Evaluation item: (1) Manufacturability Visually evaluate the lack of slippage of the roll when soap is mixed.

(2) After storing the packaged soap in a 45°C constant temperature bath for one month, visually evaluate the presence or absence of oil seepage and coloration.

(3) Feeling of use Sensory evaluation of the presence or absence of stickiness when the soap is picked up and the presence or absence of roughness when washing hands with cold or warm water.

The results are shown in Table-■.

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○ d × Bulb 121 Example 2 A solid detergent mainly containing a sodium salt of a sulfonated alpha olefin (C18-22AO5Na) shown below was prepared in the same manner as in Example 1.

This product was superior in terms of manufacturability, stability, and usability compared to products in which oil was directly added to the detergent base material.

C18-22AO3-'Na 50 parts by weight Tallow soap 23 Coconut oil 4 Stearic acid 5 Vitamin E impregnated sepiolite 8 (Vitamin E/sepiolite =
300/100) Titanium dioxide Q, 1
nt! DTA-2Na 0.1
n2.4.4'-trichloro-2'0AI
J-Hydroxydiphenyl ether water Residual Example 3 The following symptom bar type solid detergent was prepared in the same manner as in Example 1. This product was superior in terms of manufacturability, stability, and feel when used compared to products in which oil was directly added to the cleaning base.

Sodium isethionate 60 parts by weight tallow soap
14〃 Wheat germ oil impregnated sepiolite 10〃 (Wheat germ oil/sepiolite, = 300/100) Stearic acid 10〃 Titanium dioxide 0.1! !゛EDTA
-2NaO,1113,4,4
'-Trichloro 0.1〃Carbanilide water Residual Example 4 The procedure was the same as in Example 1 except that the blending ratio of sepiolite impregnated with fragrance as oil and the soap base material was changed as shown in Table -■. A solid detergent was obtained, and its manufacturability, stability, and usability were evaluated in the same manner. The results are shown in Table-■.

Table -■

Claims (1)

[Claims] (1) An oil-containing solid detergent characterized by impregnating sepiolite with an oil absorption amount of 100 to 500 ml/100 g.