JPH1161199A - Cleansing composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a liquid cleansing composition capable of readily removing stain of machinery and tools in houses and controlling the proliferation of bacteria, excellent in storage stability, by including each a specific surfactant, a solvent, a compound and a disinfectant. SOLUTION: This composition comprises (A) preferably 0.1-2.0 wt.% of one or more surfactants selected from nonionic surfactants/containing no polyoxyalkylene chain such as a saccharide fatty acid ester, (B) preferably >=20 wt.% of one or more solvents having >=2 mmHg vapor pressure at 20 deg.C, selected from monohydric alcohols such as ethyl alcohol and polyhydric alcohols such as ethylene glycol, (C) preferably 0.0001-5.0 wt.% of one or more compounds selected from acids such as phosphoric acid and its salt and (D) preferably 0.0001-5.0 wt.% of a disinfectant such as benzalkonium chloride.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning composition which removes stains from household appliances and equipment, suppresses the growth of bacteria, and has good storage stability.

[0002]

2. Description of the Related Art In recent homes, various facilities and equipment are used. Facilities and equipment include living facilities such as floors, walls, partitions, windows, doors, beds, rugs, kitchen facilities, bathtubs, toilets, sanitary facilities such as washing and cleaning, storage facilities, lighting facilities, air conditioning facilities, telephones, facsimile,
Information and sound related equipment such as TVs, personal computers, word processors, tape recorders, pianos, etc., equipment for education such as desks and bookshelves, equipment and facilities for transporting cars and bicycles,
There are many equipments and facilities for exercise, health and recreation, and gardening facilities.

[0003] These devices and equipment are familiar and often have direct contact with the skin such as hands. By the way, many cleaning agents generally used for cleaning these equipments and facilities require preparation before use and subsequent operations such as final wiping. In addition, when a stain is removed from a toilet paper or a tissue paper that is close to the toilet paper and a detergent is used, the paper may be broken and ragged, and it may take much time to clean the paper. Further, it is preferable that the hard surface after the cleaning is kept as long as possible. However, for example, there is nothing that can suppress the growth of bacteria attached to the hard surface. Conventionally, cloth containing silicon oil, liquid paraffin, etc.,
Dust removal tools and the like are also commercially available, but these are simple and excellent when intended for the purpose of dust removal, but are not effective in removing dirt such as grease and sebum on the surface of the device, As a result of using these tools, a feeling of remaining components (stickiness) and strange luster remain.

Under these circumstances, as a detergent composition containing a nonionic surfactant and a bactericide, a combination of two specific antibacterial agents such as benzalunium chloride (JP-A-57-109899). No.) and those using two kinds of specific nonionic surfactants in combination (Japanese Patent Application Laid-Open No. 7-109484).

Further, as a detergent composition containing an amphoteric surfactant and a bactericide, a composition using a specific bactericide (JP-A-8-60190) and a specific cationic surfactant having a bactericidal action are used. Combination of two types (JP-A-63-95)
298) has been proposed.

However, these detergent compositions have problems such as poor pH stability of the solution, poor antibacterial properties, poor cleaning properties, and generation of paper waste.

[0007]

SUMMARY OF THE INVENTION An object of the present invention is to remove dirt by spraying a hard surface for the purpose of cleaning the hard surface and easily wiping it off with tissue paper, toilet paper or the like. In addition, the paper does not break and tears, and after use, has the effect of suppressing the growth of bacteria that have fallen to the hard surface or the growth of bacteria that have adhered to the skin by touching it. It is to provide a composition.

[0008]

Means for Solving the Problems The present inventors have made intensive studies to solve the above-mentioned problems, and as a result, have found that the above-mentioned problems can be solved by using specific components in combination. Was completed. That is, according to the present invention, (A) one or more surfactants selected from nonionic surfactants having no polyoxyalkylene chain and amphoteric surfactants, and (B) at 20 ° C. One or more solvents selected from monohydric alcohols and polyhydric alcohols having a vapor pressure of 2 mmHg or more, (C) one or more compounds selected from acids and salts thereof,
(D) A liquid detergent composition characterized by containing a bactericide.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As a component of the liquid detergent composition of the present invention, a nonionic surfactant and / or an amphoteric surfactant (A component) is used.

Examples of the nonionic surfactant include alkyl glucosides and sugar fatty acid esters, which are sugar-based nonionic surfactants. The alkyl glucoside has the general formula (I)

## STR1 ## R--O-(Z) x (I) (wherein, R represents a linear or branched alkyl or alkenyl group having 8 to 18 carbon atoms. The bond may be one or more than one.Z is a sugar residue, and in the case of monosaccharides such as glucose, fructose, galactose, xylose, mannose, lyxose, arabinose and the like, and mixtures thereof. In the sugars of two or more saccharides, maltose, xibiose, isomaltose, cellobiose, gentibiose, lactose, sucrose, nigerose,
And solanose, raffinose, gentianose, melezitose and the like, and mixtures thereof. X is 1 to 1
Number of 0. ). R of the alkylglucoside represented by the general formula (I) is a linear or branched alkyl or alkenyl group having 10 to 14 carbon atoms;
Represents a number of from 1.2 to 3, particularly preferred results are obtained. In addition, glucose, fructose, and disaccharides are preferably monosaccharides such as maltose and sucrose in terms of availability, cost and the like. The alkyl glucoside represented by the general formula (I) is produced by dehydrating and condensing a monosaccharide, polysaccharide or complex saccharide having a polymerization degree of 1 to 10 and an alcohol having 8 to 10 carbon atoms. As for alkylglucoside, an alkylene oxide addition type surfactant is known, but the alkylene oxide addition type surfactant damages the plastic surface. Therefore, the alkyl glucoside used in the present invention is limited to those having no polyoxyalkylene group.

The sugar fatty acid ester has the general formula (II)

Embedded image (Wherein, R is a linear or branched alkyl or alkenyl group having 7 to 17 carbon atoms. Z is a sugar residue;
Examples of the saccharide include monosaccharides such as glucose, fructose, galactose, xylose, mannose, lyxose, and arabinose, and mixtures thereof. , Solanose, raffinose, gentianose, melezitose and the like, and mixtures thereof. n is a number of 1-2. ). Particularly preferable results are obtained when R of the sugar fatty acid ester represented by the general formula (II) is a linear or branched alkyl group or alkenyl group having 9 to 13 carbon atoms. In addition, glucose, fructose, and disaccharides are preferably monosaccharides such as maltose and sucrose in terms of availability, cost and the like. The fatty acid ester represented by the general formula (II) is composed of a monosaccharide, a polysaccharide or a complex saccharide having a degree of polymerization of 1 to 10 and 7 carbon atoms.
To 17 alcohols.

Examples of the amphoteric surfactant include alkyl betaine type, amino acid type, amide amino acid type, carbobetaine type, sulfobetaine type and the like. Carbobetaine-type amphoteric surfactants have the general formula (II
I)

Embedded image (Wherein, R ₁ is a linear or branched alkyl or alkenyl group having 8 to 18 carbon atoms, R ₂ is a linear or branched alkyl or alkenyl group having 1 to 4 carbon atoms, R ₃
Represents a linear or branched alkylene group or hydroxyalkylene group having 1 to 6 carbon atoms. ). In the carbobetaine type amphoteric surfactant represented by the general formula (III), R _{1 is} a linear or branched alkyl group having 10 to 14 carbon atoms, and R ₂ is an alkyl group having 1 to ₂ carbon atoms. When expressed, particularly favorable results are obtained.

The sulfobetaine type amphoteric surfactant has the general formula (IV)

Embedded image (Wherein, R ₁ is a linear or branched alkyl or alkenyl group having 8 to 18 carbon atoms, R ₂ is a linear or branched alkyl or alkenyl group having 1 to 4 carbon atoms, R ₃
Represents a linear or branched alkylene group or hydroxyalkylene group having 1 to 6 carbon atoms. ). In the sulfobetaine type amphoteric surfactant represented by the general formula (IV), R _{1 is} a linear or branched alkyl group having 10 to 14 carbon atoms, and R ₂ is an alkyl group having 1 to ₂ carbon atoms. When expressed, particularly favorable results are obtained.

Various alkyl betaines can be used. Specific examples include coconut oil alkyldimethylaminoacetate betaine and lauryldimethylaminoacetate betaine. As the amphoteric surfactant, a surfactant represented by the general formula (III) or (IV) is particularly preferable from the viewpoint of liquid stability.

[0015] The nonionic surfactant and / or amphoteric surfactant (component A) is incorporated in the liquid composition in an amount of 0.01 to 5.0% by weight, preferably 0.1 to 2.0% by weight. . If the amount is less than 0.01%, a sufficient cleaning effect cannot be obtained,
On the other hand, if the content exceeds 5.0% by weight, the wiping operation becomes difficult and problems such as stickiness occur.

The components of the liquid detergent composition of the present invention include 2
A liquid containing an alcohol hydroxyl group having a vapor pressure of 2 mmHg or more at 0 ° C. and a derivative thereof (component B) are used. This liquid includes polyhydric alcohols in addition to monohydric alcohols. These liquids have a useful function in removing oily stains derived from sebum stains and the like attached to the hard surface. Specific examples of the liquid containing an alcoholic hydroxyl group include monohydric alcohols such as ethyl alcohol, isopropyl alcohol, propanol, butanol, secondary butanol, and tertiary butanol, and polyhydric alcohols and derivatives thereof include ethylene. Glycol, propylene glycol, 1,3-butanediol and the like. When ethanol, which is a monohydric alcohol, is used, it is made unsuitable for drinking by adding a denaturing agent, and denatured ethanol supplied at low cost for industrial use can be used.

The monohydric alcohol and polyhydric alcohol (B
Component) is preferably incorporated in the liquid detergent composition at 10.0% by weight or more, more preferably 20.0% by weight or more. If it is less than 10.0% by weight, it does not have a sufficient effect on preventing tearing of toilet paper and the like.

Acids and salts thereof (component C) are used as components of the liquid detergent composition of the present invention. Examples of the acid and its salt include phosphoric acid, carbonic acid, boric acid, citric acid, malic acid, succinic acid, phthalic acid, benzoic acid, acetic acid, and salts thereof. These acids and salts thereof can be used alone or in combination of two or more. These acids and salts thereof are blended to stabilize the pH of the solution. It is important to keep the pH of the solution stable.For example, bactericides are affected by the effect of the pH of the solution, and some dyes change their color depending on the pH. For example, there are cases in which the inherent effects and the like are impaired due to a change in pH, for example, in some cases.

This component is present in the liquid detergent composition at 0.0
001 to 5.0% by weight. 0.000
If it is less than 1%, the effect of stabilizing the pH is not sufficient, and if it is more than 5% by weight, the residue on the cleaning surface increases, causing problems such as stains remaining after wiping and stickiness.

A bactericide (component D) is used as a component of the liquid detergent composition of the present invention. Examples of this disinfectant include cationic surfactant disinfectants such as benzalkonium chloride, benzethonium chloride, and didecyldimethyltrimethylammonium chloride, and beagnide disinfectants such as chlorhexidine gluconate and chlorhexidine, and triclosan.

This component is present in the liquid detergent composition at 0.0
It is blended in an amount of from 0.01 to 5.0% by weight. If the amount is less than 0.001% by weight, the bactericidal effect is not sufficient, and if the amount exceeds 5.0% by weight, the residue on the cleaning surface increases, which causes problems such as stains remaining after wiping and stickiness.

Further, other components may be added to the detergent composition of the present invention, if necessary, as long as the object of the present invention is not impaired. These include thickeners, preservatives,
Examples include coloring agents, ultraviolet absorbers, flavoring agents, plant extracts, plant essential oils, plant essential oil components, and the like. Examples of plant essential oils include avies oil, oak moss oil, cananga oil, citronella oil, orange oil, sweet orange oil, cedarwood oil, geranium oil, turpentine oil, pine oil, vetiver oil, peppermint M oil, bergamot oil, and lavandin oil. , Lavender oil, lemon oil, rose oil, cassia oil, cinnamon oil, star ance oil, nutmeg oil, peppermint oil, hinoki oil, pine needle oil, petigrain oil, lime oil and the like. The essential oils of plant include camphene, α, β-pinene, borneol, α, β-tsuyoshi, sesquiterpene, sesquiterpene alcohol, α
-Citronellal, geraniol, citronellol, α
-Limonene, citral, cedrol, cedren, graniol, cupineol, fenquil alcohol, borneol, vetiverol, vetiven, vetiben, 1-
Menthol, menthol, mentfuran, linalool, linalyl acetate, limonene, methyl anthranilate, cineol, 3-octanone, lavandurol, octanal, 1-citronellal nerol, rose oxide,
Cinnamaldehyde, cinnamyl acetate, cinnamic acid, eugenol, anethole, dipentene, myristicin,
Examples include terpenes, terpene alcohols, sesquiterpenes, sesquiterpene alcohols, linalylaldehyde, α-terpineol, dipentene, α-terpineol, and the like. These plant essential oils and plant essential oil components are used as deodorants.

As the cleaning composition of the present invention, a commonly used container can be used. For example, the liquid is poured directly from the bottle and the liquid is applied to the dirty part.
Alternatively, after filling into a dispenser container, a trigger-equipped container, or a squeeze former container that becomes mist or foam, and spraying the object to be cleaned, apply it with a tissue paper, toilet paper or cloth, etc. Things. In addition, when it is difficult to spray the product of the present invention or when it is not desired to spray the peripheral portion, the product can be sprayed on a dry cloth, tissue paper, or toilet paper, and can be used by wiping an object to be cleaned while being wet with a liquid. .

[0024]

EXAMPLES Specific examples of the liquid detergent composition are described below. The following evaluation was performed to confirm the effects of the liquid detergent composition of the present invention. The evaluation test was carried out on five items of (1) detergency test, (2) stickiness test, (3) paper dust generation test, (4) antibacterial test, and (5) solution pH stability test. The specific contents of these are as follows.

(1) Detergency test There are the following two methods for the detergency test. Using a toilet seat made of plastic which has been used for a certain period of time, a washing solution is applied to the toilet seat at a rate of 5 ml / 30 cm ² , wiped off with toilet paper (manufactured by Daio Paper Co., Ltd .; Erière W), and sensually stained ( (Visual observation). The plastic surface of the mini component to which dirt was adhered was wiped off with a tissue paper containing a cleaning solution, and the dirt removal was evaluated in the same manner as by sensory (visual) observation. (Evaluation criteria) ：: Dirt is cleanly removed. Δ: A little stain remains. X: Dirt cannot be removed at all.

(2) Test of stickiness The cleaning solution was applied to a plastic toilet seat at 5 ml / 30 cm ^2.
After wiping it off once with toilet paper, the sensory evaluation is performed. (Evaluation criteria) ○: Not sticky. Δ: Somewhat sticky. ×: Sticky.

(3) Paper waste generation test A cleaning liquid is applied under the same conditions as in the evaluation of (2) above, and the cleaning liquid is spread evenly with toilet paper (manufactured by Daio Paper Co., Ltd .; Eliel W) to remove dirt. After rubbing, the occurrence of paper waste is visually determined. (Evaluation criteria) ：: No debris is observed. Δ: Scrap is slightly observed. ×: Scrap is observed.

(4) Antibacterial properties Antibacterial properties were evaluated under the following conditions. Test strain Escherichia Coli IFO 3301
(Escherichia coli) Medium SCDLPA medium: SCDLP agar medium (Nippon Constraint Co., Ltd.) Preparation of bacterial solution A test bacterium cultured at 35 ° C. for 24 hours in SCDLPA medium is again inoculated into SCDLPA medium, and cultured at 35 ° C. for 16 to 24 hours. . The cells of the culture solution are uniformly dispersed in a 1 / 20NB medium, respectively, so that the number of cells per ml is about 10 ⁵ . Preparation of Sample A 5 cm × 5 cm ABS resin plate is coated with 0.5 ml each of a washing solution and sterilized purified water, and one sheet is wiped twice with three-folded toilet paper. Further, the back surface is similarly wiped, and these are used as samples. Test operation 0.3 ml of the bacterial solution was dropped on each of three samples, and a polyethylene film was placed on the solution and adhered thereto. These are stored under conditions of room temperature and 90% or more of relative humidity. Measurement of viable cell count 24 hours after storage, the bacterial solution is collected, and the viable cell count is measured by a pour plate method (cultured at 35 ° C for 48 hours) using an SCDLPA medium. (Evaluation criteria) ○: 90% or more of the bacteria were killed △: 50 to less than 90% of the bacteria were killed ×: The bacteria were killed of less than 50%

(5) pH stability The washing solution is stored in a constant temperature bath at 50 ° C. for one month,
The difference from H was evaluated according to the following criteria. (Evaluation criteria) ○: Difference is less than 0.3 △: Difference is 0.3 or more and less than 0.6 ×: Difference is 0.6 or more

Examples 1 to 12 and Comparative Examples 1 to 5 Specific examples of the liquid detergent composition of the present invention (Examples 1 to 12)
Are shown in Table 1. The above evaluation was performed to confirm these effects. These results are summarized in Table 1. Further, in order to compare the effects of the liquid detergent composition of the present invention, a liquid detergent composition not using the D component (Comparative Example 1), and sodium dodecylbenzenesulfonate not corresponding to the A component were used as a surfactant. Table 1 also summarizes the results of the liquid detergent composition (Comparative Example 2), the liquid detergent composition not using the component C (Comparative Example 3), and the liquid detergent composition not using the component B (Comparative Example 4). Was. Note that (1) to (4) in the table represent the following. Note (1) betaine lauryldimethylaminoacetate (2) lauryldimethylaminosulfobetaine (4) Ethanol containing 0.0013% of denatonium benzoate

[0031]

[Table 1- (1)]

[0032]

[Table 1- (2)]

Example 13 A toilet seat cleaner composition (container with a trigger) comprising the cleaning agent of the present invention having the following composition was prepared.

[Table 2] * Containing 0.0013% of denatonium benzoate in ethanol A cleaning and wiping test was conducted with a toilet seat actually used at home (n = 5). As a result, along with its excellent cleaning effect,
No waste paper was found. In addition, there was no sticky feeling after the coating and drying, and the evaluation result was that even when the toilet seat was used immediately after washing, the feeling of use was comfortable. In another experiment, the degree of increase in bacteria after wiping and cleaning the toilet seat surface was compared with the increase in bacteria on the toilet seat surface treated in the same manner using water. As a result, it was confirmed that the growth of bacteria was considerably less than the surface of the water treatment toilet seat. Further, this toilet seat cleaner had a slight change in pH of 0.1 even when stored at 50 ° C. for one month.

[0034]

Industrial Applicability The cleaning composition of the present invention is effective for removing dirt from utensils and equipment in a house, particularly for cleaning hard surfaces such as toilet seats, and spraying the equipment upon cleaning. The stains can be easily removed by paper such as tissue paper after the paper has been broken, in which case the paper etc. breaks into powder and does not become garbage. And it has good storage stability.

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[Procedure amendment]

[Submission date] October 7, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0028

[Correction method] Change

[Correction contents]

(4) Antibacterial properties Antibacterial properties were evaluated under the following conditions. Test strain Escherichia Coli IFO 3301
(E. coli) Medium SCDLPA medium: SCDLP agar medium (JapanPharmaceutical
Co., Ltd. Preparation of Bacterial Solution Test bacteria cultured at 35 ° C. for 24 hours in SCDLPA medium
Inoculate SCDLPA medium again, 35 ° C, 16-24 hours
Culture for a while. Transfer the cells of the culture into 1 / 20NB medium
And disperse them uniformly, and the number of bacteria per ml is about 10⁵Tona
Prepared as follows. Preparation of sample Wash solution and sterile purification on 5cm x 5cm ABS resin plate
0.5 ml of water was applied to each, and one sheet was folded three times
Wipe twice with toilet paper. In addition, the back
And wipe them as described above. Test operation 0.3 ml of bacterial solution was dropped on each of three samples, and
Cover with a polyethylene film. these
Is stored at room temperature and a relative humidity of 90% or more. Measurement of viable cell count After 24 hours of storage, collect the bacterial solution and use SCDLPA medium.
By pour plate culture (cultured at 35 ° C for 48 hours)
Measure the number of bacteria. (Evaluation criteria) ○: 90% or more of the bacteria were killed △: 50 to less than 90% of the bacteria were killed ×: The bacteria were killed of less than 50%

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI C11D 10/02 C11D 10/02 // (C11D 10/02 1:92 3:48 3:43 3:20)

Claims (1)

[Claims] (1) one or more surfactants selected from (A) a nonionic surfactant having no polyoxyalkylene chain and an amphoteric surfactant, and (B) a vapor pressure at 20 ° C. One or more solvents selected from monohydric alcohols and polyhydric alcohols of 2 mmHg or more, (C)
A liquid detergent composition comprising one or more compounds selected from acids and salts thereof, and (D) a disinfectant.