JPH0251598A - Polishing detergent - Google Patents

Abstract

PURPOSE:To provide a polishing detergent excellent in detergency, the suspension stability of polishing particles, etc., and causing no roughening of the skin of the hand by mixing three kinds of specified surface active agents with an insoluble polishing substance so as to give a pH in a specified range. CONSTITUTION:The title polishing detergent is prepared by mixing an anionic surface active agent (A) selected from among the salts of a straight-chain alkylbenzenesulfonic acid, a polyoxyethylene alkyl ether sulfate, an alkanesulfonic acid, an alpha-olefinsulfonic acid, and an alkyl sulfate, a betaine type ampholytic surface active agent (B) of the formula (wherein R is 12-14C straight-chain or branched alkyl or alkoxy) (e.g., cocoyldimethylbetaine of acetic acid), a water-soluble nonionic surface active agent (C) (e.g., coconut oil fatty acid diethanolamide), and a water-insoluble polishing material (D) (e.g., silica sand) so as to provide a pH of 3 to 8.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention is a cream-type abrasive cleaning product that contains an abrasive, has excellent cleaning power, does not cause roughness on the skin of hands, and has stable dispersibility. The purpose is to provide an agent for

(Prior Art) Liquid cleansers are widely used as cleaning agents containing abrasives, that is, water-insoluble mineral substances. However, this type of cleaning agent mainly uses an abrasive for the purpose of polishing, and has problems such as poor dispersibility of strong oil stains and easy damage to the object to be cleaned.

Therefore, currently, as a cleaning agent that eliminates the above-mentioned drawbacks, Japanese Patent Application Laid-open No. 56-145996 and Japanese Patent Application Laid-Open No. 59-2
No. 17797, JP-A-59-12997, JP-A-60
-6795, JP-A-60-6796, JP-A-60-
No. 81298, JP-A-60-91599, JP-A-60
There are cleaning agents disclosed in various publications such as No.-168757 and JP-A-62-116655. This has a specific anionic surfactant and alkyldimethylamide dioxide as its main components, and a nonionic surfactant, swelling clay, and solubilizer (hydrotrope) are blended therewith.

(Problems to be Solved by the Invention) In the above-mentioned cleaning agent, the alkyldimethylamine oxide used in this cleaning agent has a pH close to the acidic side, even though it is nonionic, and It has an ionic character and therefore may form complexes with anionic surfactants and interfere with stability, especially the inclusion of pH 1 effective surfactants, which are sensitive to the formulation.
Workability tends to deteriorate depending on the physical state of the abrasive, and the initial foaming properties are also insufficient, which is why it is necessary to increase the absolute amount of anionic surfactant. This was accompanied by problems such as the failure to do so.

Furthermore, the above-mentioned complex forms a kind of unstable physicochemical liquid crystal region, and is particularly stable at low temperatures (below -5°C) and restores to normal temperature from a high temperature range (above 50°C). There was a tendency for the state to be unstable, and therefore, it was required to use a solubilizer, a swelling clay, and a high molecular weight surfactant or polymer as necessary.

The present invention aims to solve the above-mentioned conventional problems, and has achieved sufficient dispersion stability, excellent detergency, foaming properties, and mildness to the skin of hands, as well as improved workability. The present invention provides a new polishing cleaning agent that is simplified.

(Means for solving the problems) The present invention comprises, as a first component, a linear alkylbenzene sulfonate,
Using an anionic surfactant selected from polyoxyethylene alkyl ether sulfate, alican sulfonate, alpha olefin sulfonate, and alkyl sulfate ester salt, betaine represented by the following general formula is used as the second component. A water-soluble nonionic surfactant is used as the third component, and water is used as the fourth component. The present invention relates to an abrasive cleaning agent characterized in that an insoluble abrasive substance is used and the first to fourth components are mixed at a pH of 3 to 8.

As the second component, lauryl acetate betaine or cocoyl acetate betaine may be used. Furthermore, as the third component, fatty acid alkanolamide, polyoxyethylene alkyl ether, polyoxyethylene alkyl phenol ether, polyoxyethylene fatty acid ester can be used. Any of these may be used as a nonionic surfactant with an HLB of at least 7 or more.

(Function) The present invention uses a betaine type expressed by the following general formula as an anionic surfactant and a specific amphoteric surfactant, (R is a linear or branched C1□ to C14 alkyl group or alkoxy group) and a composition containing a water-insoluble abrasive substance in which the pH of the water-soluble nonionic surfactant is adjusted to 4 to 8, particularly 4.5 to 7.5. It is said to be an abrasive cleaning agent that exhibits particularly excellent dispersion stability, is extremely mild to the skin of hands, and has excellent initial foaming properties.

The reason why the polishing cleaning agent according to the present invention exhibits extremely good dispersion stability is that the anionic surfactant and the specific amphoteric surfactant have a positive ion and a negative ion of the amphoteric surfactant at pH 4 to 8. works well and forms a structural viscous state mutually with the anionic surfactant, and the water-soluble nonionic surfactant promotes solubilization and dispersion, thereby maintaining the so-called ionic balance between anions and zwitterions. It is thought that it is physicochemically stabilized.

Here, as the anionic surfactant which is the first component used in the present invention, linear alkylbenzene sulfonate (salt of soda, potash, ethanolamine, ammonium, magnesium, etc.), polyoxyethylene (EO: 2 to 3 mole) Alkyl ether sulfate, alkanesulfonate, alpha olefin sulfonate, alkyl sulfate ester salt, especially polyoxyethylene alkyl ether sulfate, alkyl sulfate ester salt has foaming property, low irritation to human skin Y3, Preferred in terms of stability.

In addition, these may be used in combination of two or more types other than using one type. Also, the blending amount of this is as follows:
A weight increase of 2 to 30% by weight, particularly 5 to 20% by weight, is preferred in terms of stability and rinsability.

Next, the betaine-based amphoteric surfactant used in the present invention as the second component is a monoalkyldimethylacetic acid-based surfactant represented by the following formula.

(R is a linear or branched alkyl group with C1□ to C14, or an alkoxy group) When used in combination with the above-mentioned anionic surfactant, the amphoteric ionic compound has a pH of 4,
It was confirmed that in the range of 5 to 7.5, a crystalline region having an extremely stable structural viscosity is formed, and the detergency and foaming properties of the anionic surfactant are hardly affected. The combined ratio is 100% by weight of the zwitterionic compound and 20 to 20% of the anionic surfactant.
Particularly preferred is a proportion of about 500% by weight.

Next, examples of the water-soluble nonionic surfactant as the third component used in the present invention include the following.

■Polyoxyethylene alkyl ether (EO: 5-4
0 mol, alkyl=C□. ~C2□) ■Polyoxyethylene alkylphenol ether (EO: 1 to 40 mol, alkyl = Cto to C22)
■Polyoxypropylene alkyl ether (EO: 10
~40 mol, alkyl=Cto~C22)■ Ethylene oxide, propylene oxide addition nonionic surfactant (EO+PO=1~50 mol) (Alkyl-CIO~C2□) ■Higher fatty acid alkanolamide or its EO adduct (EO 21 to 15 moles, A! Rekiru = 08 to C2 □)■
Polyoxyethylene higher fatty acid ester (EO near ~1
50 mol, alkyl=08~C2□) and especially polyoxyethylene alkyl ether (alkyl = C1o
~C18, EO is 8 to 20 moles), cocoyl fatty acid alkanolamide, lauryl fatty acid alkanolamide,
Polyoxyethylene sorbitan fatty acid ester, polyoxyethylene hydrogenated castor oil fatty acid ester, and polyoxyethylene noniphenyl ether are preferred in terms of workability, versatility, and detergency.

In addition, the above-mentioned nonionic surfactant should be used in an amount of 0.5 to 20% by weight, especially about 2 to 10% by weight to improve detergency,
Suitable in terms of foamability, stability, and viscosity (fluid state of liquid).

Next, the water-insoluble abrasive substance to be blended as the fourth component used in the present invention is a non-alkaline one, preferably one that is water-dispersible and has a pH of 9 or less, particularly 8 or less.

This includes diatomaceous earth, kaolin, alumina, perlite,
Zeolite, mica, sericite, amorphous silica, quartz,
Corundum, silica sand, dolomite, polymer particles (
Polystyrene, polyamide, polyester), vegetable shell powder (almond shell, peanut shell), etc., with an average particle size of about 10 to 200μ and a Mohs hardness of 2 to 2.
It is preferable to have physical properties of about 8 and a whiteness of at least 70%.

Further, the amount of the water-insoluble abrasive substance blended is preferably about 0.5 to 30% by weight. It is also possible to use two or more of the above as water-insoluble abrasive substances, and structural clay substances that impart a thixotropic effect, such as smectite, attapulgite, montlorinite,
It is also possible to use hectorite, sepiolite, bentonite, etc. in combination.

In addition to these, various optional components can be added to the present invention.

That is, in addition to the amphoteric active agents mentioned above, for example, imidazolinium betaine, glycine, amidopropyl betaine, or JP-A-60-6795 and JP-A-61-141799, etc. Various surfactants such as tertiary amine oxide, ethoxylated quaternary ammonium cationic surfactant, alkyl phosphoric acid, alkyl sulfuric acid, polyoxyethylene fatty acid condensate, etc., which are essentially used in the invention described in . agent, tripolyphosphate, sodium pyrophosphate, potassium pyrophosphate, sodium sulfate, potassium sulfate, magnesium sulfate, ammonium chloride, magnesium chloride, potassium nitrate, ammonium nitrate, potash light bread, Rochelle's salt, sodium chloride, acidic sodium sulfate, sulfamic acid Inorganic salts such as sodium, sodium polyacrylate, CMC, sodium maleate, sodium phytate, sodium citrate, magnesium citrate, sodium phosphate, sodium ethylhexine sulfate, sodium xylene sulfonate, sodium cumene sulfonate, benzene sulfonate Organic salts such as sodium, sodium glycolate, sodium gluconate, sodium EDTA, sodium NTA, sodium succinate, sodium heptonate, sodium lactate, and sodium pyrrolidone carboxylate are used as solubilizers, viscosity control agents, buffer agents, and rust preventive agents. It may be added in a desired amount for purposes such as agents and preservatives.

Furthermore, ethylene glycol, propylene glycol, 1
．． Polysaccharide polyol compounds such as 3-butylene glycol, dipropylene glycol, ethyl alcohol, propyl alcohol, butyl glycol, cellosolve acetate, carpitol acetate, polyethylene glycol, polypropylene glycol, sorbitol, polypropylene glycol, sorbitol, and mannitol can also be used for the purpose of solubilizing and moistening. It is also possible to use them together.

Furthermore, in order to improve product value, we add preservatives, fragrances, pigments,
One type or two or more types of disinfectants, ultraviolet absorbers, hand roughening preventive agents, antioxidants, deodorants, etc. may be added.

Incidentally, the polishing cleaning agent according to the present invention is completed based on a simple blending method without using any special equipment, and therefore has an advantageous configuration for manufacturing personnel.

In addition, the viscosity of the polishing cleaning agent according to the present invention can be adjusted to 500~
3000cp, preferably 800-2000cp (2
0°C), it is considered to be excellent in filling and discharging into a container, physical stability, dispersion speed in water, and feel on the user's skin.

(Example) Specific examples of the present invention will be described in detail as follows.

Example 1 About abrasive cleaning agents (1) to (2) according to the present invention having the formulations shown in Table 1 below, and comparative examples (2) to (7) which are conventional cleaning agents having the formulations shown in Table 1. , conducted the following tests.

(a) Suspension stability was tested in three cases: 4 months at 40°C, 6 months at -10°C, and 6 months at room temperature. The results were expressed using the following symbols.

◎−・No separation.

○...Separation occurred, although it was very slight.

×...They have separated.

(b) Regarding foamability, based on the Ross Miles method, various samples were made into a 100 times aqueous solution, and this was prepared with a diameter of 10CI11.
into a circular glass bottle, stir at 80 rpm for 3 minutes,
Immediately after that, the foam height (a■) was measured.

(C) Regarding the feel of the skin on the hands, a sensory test was conducted using 15 monitors.

The scoring was expressed as a total score of 15 people based on the following criteria.

Very good → 5 points Good → 3 points Neutral - 1 point Poor → -3 points The meanings of the abbreviations shown in Table 1 below are as follows.

AES: polyoxyethylene (EO: 3 mol) sodium lauryl sulfate LAS: linear fulkylbenzene (C12) sodium sulfonate A
S: Gogoil KM sodium (Ct□ ~ C1
4) A B: Cocoyl dimethyl acetate betaine A
O: Cocoyl dimethyl 7 misioxide 8 E:
Polyoxyethylene (EO: 9 mol) 1 lkyl (
C12) Ether AA: Coconut oil fatty acid jetanol 7 mido CAP: Cocoyl 7 midoflopyl betaine The pH was adjusted with citric acid or caustic soda, and water was used for balance.

Example 2 Regarding the effects of the anionic surfactant and alkyldithylacetate betaine of the present invention, and the nonionic surfactant,
Abrasive cleaning agent (1) to [phase] according to the present invention having the formulation as shown in Table 2 below, and comparative example [phase] to [phase] of a conventional cleaning agent having the formulation as shown in Table 2. Tests were conducted on suspension stability, foamability, and viscosity.
The results are shown in Figure 2 below.

In addition, the component combination values in Table 2 are shown in weight %, the pH was adjusted with citric acid or caustic soda, and the balance was made with water. Furthermore, the meanings of the abbreviations shown in Table 2 below are as follows.

LAS: Linear furkylbenzene (C12)
Sodium sulfonate AES: Polyoxyethylene (EO: 3 moles) lauryl KFi sodium A B: Cocoyl dimethyl acetate betaine AO
: Gogoyldimethyl 7-misioxide AE-1:
Polyoxyethylene (EO: 9 mol) alkyl (
C12) Ether AA: Coconut oil fatty acid jetanol 7mid AE-2 polyoxyethylene (EO
: 5 mol>Fulki J Reether Table 2 (Effects of the Invention) According to the polishing detergent according to the present invention detailed above, the suspension stability of the polishing particles is improved, and the remarkable structural viscosity compared to the conventional one is improved. Since it has no viscosity, the purpose of adjusting the viscosity can be achieved very easily.

Furthermore, the polishing cleaning agent according to the present invention not only solves the problem of extremely low foaming properties on the acidic side, such as with amine oxide-based cleaners, but also has extremely excellent initial foaming properties. Therefore, the satisfaction of the cleaning agent users will be improved.

In addition, since the polishing cleaning agent according to the present invention contains a betaine compound, it can be expected to have deodorizing, sterilizing, and antistatic effects, and is also effective as a skin conditioner.

Claims (3)

[Claims] (1) (a) The first component is an anionic interface selected from linear alkylbenzene sulfonate, polyoxyethylene alkyl ether sulfate, alican sulfonate, alpha olefin sulfonate, and alkyl sulfate ester salt. (b) As the second component, a betaine-based amphoteric surfactant represented by the general formula below is used. (3) using a water-soluble nonionic surfactant as the third component; (d) using a water-insoluble abrasive substance as the fourth component; (e)
A polishing cleaning agent characterized in that the above-mentioned first to fourth components are mixed at a pH of 3 to 8. (2) The polishing cleaning agent according to claim 1, wherein lauryl acetate betaine or cocoyl acetate betaine is used as the second component. (3) The third component is a nonionic surfactant with an HLB of at least 7 or more, using either fatty acid alkanolamide, polyoxyethylene alkyl ether, polyoxyethylene alkylphenol ether, or polyoxyethylene fatty acid ester. Claim 1 or Claim 2
Abrasive cleaning agent described in .