JP3347250B2 - Antifouling detergent composition for toilet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet antifouling detergent composition having an effect of preventing the adhesion of dirt and having a high detergency.

[0002]

2. Description of the Related Art Toilet stains include yellowing, darkening, stool adhesion, and scale stains. Various cleaning compositions have been conventionally proposed to remove these stains.

[0003] They are aimed at improving the detergency so that dirt can be removed more easily and without spending time. However, although the time spent for cleaning has been reduced, the frequency, ie, the number of cleanings, has not been reduced.

Therefore, a method has been proposed in which the surface of the toilet is coated with a covering material to further reduce the labor of cleaning, so that dirt does not easily adhere to the surface of the toilet, and the labor of cleaning is reduced. However, in such a method, even when used for a toilet bowl on which dirt is already adhered, the adhered dirt cannot be removed. As a result, when adopting the method, the pre-processing is very troublesome. In addition, the effect of making it difficult to adhere dirt cannot be obtained until the coating material is sufficiently dried on the toilet surface. That is, such a method does not substantially reduce the cleaning labor.

[0005]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an antifouling detergent composition for toilets which is easy to use, has a sufficient effect of preventing adhesion of dirt, and has a high detergency. .

[0006]

Means for Solving the Problems In view of such circumstances, the present inventors have conducted intensive studies, and as a result, the surface of the toilet bowl has been made hydrophilic,
The present inventors have found that if the contact angle of water on the toilet surface is 30 ° or less, it is difficult for dirt to adhere, and the dirt on the adhered surface can be easily removed, and the present invention has been completed.

That is, the present invention is an aqueous solution containing one or more antifouling bases selected from a surfactant and a water-soluble polymer, and 5 ml of the aqueous solution is applied to the surface of a ceramic tile and dried. An antifouling detergent composition for toilets, wherein the contact angle after performing an operation of flowing 200 ml of water at a flow rate of 25 ml / sec at an angle of 45 ° and then drying 10 times is 30 ° or less. It is.

The antifouling base used in the present invention is one or more selected from surfactants and water-soluble polymers. Examples of such an antifouling base include anionic surfactants, and more specifically, polyoxyethylene alkyl ether sulfate (alkyl having 8 to 20, preferably 8 to 16, and particularly preferably 8 to 16 carbon atoms) Is 10
-14, the average number of moles of ethylene oxide added is 1-5
0, preferably 1 to 15, particularly preferably 1 to 10),
Alkyl benzene sulfonate (alkyl having 8 carbon atoms)
-20, preferably 8-16, particularly preferably 10-1
4) alkyl sulfate (alkyl having 8 to 8 carbon atoms)
20, preferably 8 to 16, particularly preferably 10 to 1
4) one or more dialkyl sulfosuccinates (each having 4 to 20, preferably 4 to 15, particularly preferably 4 to 10 carbon atoms of alkyl);
Or an alkali metal salt thereof. Among them, polyoxyethylene alkyl ether sulfate or dialkyl sulfosuccinate is preferable from the viewpoint of the durability of the antifouling effect, and polyoxyethylene alkyl ether sulfate is particularly preferable.

[0009] The amount of the antifouling base is determined by adjusting the contact angle of the antifouling detergent composition of the present invention after a specific operation to 30.
° or less, it is necessary to be incorporated in a sufficient amount. Specifically, when polyoxyethylene alkyl ether sulfate, alkylbenzene sulfonate or alkyl sulfate is used, 0.1% by weight or more in the whole composition, and when dialkyl sulfosuccinate is used, 10 ppm is used. It is preferable to mix the above.

[0010] Further, by combining an anionic surfactant with a surfactant having a quaternary ammonium group in the molecule or a water-soluble polymer to form an antifouling base, the surface of the toilet can be hydrophilized. Sustainability can also be improved. The surfactant or water-soluble polymer having a quaternary ammonium group in the molecule may have any structure as long as it has a quaternary ammonium group in the molecule. Examples include a polymer, an amphoteric surfactant or a cationic surfactant.

[0011] The cationic polymers, cationic starch, cationized cellulose, dimethyldiallylammonium chloride homopolymer (molecular weight ¹⁰⁵ to ^106), copolymers of dimethyldiallylammonium chloride and acrylamide (molecular weight 10 ⁶ to 10 ^7, weight Ratio 1: 1),
Copolymers of dimethyldiallylammonium chloride and acrylic acid (molecular weight 1.7 million, weight ratio of dimethyldiallylammonium chloride: acrylic acid = 8: 2) and the like, among which dimethyldiallylammonium chloride homopolymer, dimethyldiallylammonium chloride and acrylamide Copolymers, copolymers of dimethyldiallylammonium chloride and acrylic acid are preferred, with dimethyldiallylammonium chloride homopolymer being particularly preferred.

Examples of the amphoteric surfactant include alkylcarbobetaine, alkylsulfobetaine, alkylhydroxysulfobetaine, alkylamidocarbobetaine, alkylamidosulfobetaine, alkylamidohydroxysulfobetaine, alkylamidoamine betaine, alkylimidazoline betaine and the like. Is mentioned. Among them, alkylamide carbobetaine, alkylsulfobetaine, alkylhydroxysulfobetaine, alkylamidecarbobetaine, and alkylamidohydroxysulfobetaine are preferable, and alkylamidocarbobetaine is particularly preferable (the alkyl has 8 to 9 carbon atoms).
20, preferably 10-16. ).

The amphoteric surfactant is more specifically an alkylamidopropyl-N, N-dimethyl acetate betaine,
Alkylamidopropyl-N, N-dimethylhydroxypropylsulfobetaine, alkylamidopropyl-N, N
-Dimethyl-propylsulfobetaine, dodecyl-N, N
-Betaine dimethyl acetate, dodecyl-N, N-dimethyl-
Propyl sulfobetaine, dodecyl-N, N-dimethyl-
2-hydroxypropylsulfobetaine, myristyl-
N, N-dimethyl-2-hydroxypropylsulfobetaine, palmityl-N, N-dimethyl-2-hydroxypropylsulfobetaine, amide ethyl dodecanoate-N-hydroxyethyl-propionic acid and salts thereof, amide ethyl tetradecanoate-N-hydroxy Ethyl-propionic acid and its salts, 1-cocoalkyl-2-hydroxyethyl-2-carboxymethylimidazolinium betaine,
1-dodecyl-2-hydroxyethyl-2-carboxymethylimidazolinium betaine, lauryl-N, N-dimethylacetate betaine, octylamidopropyl-N, N-
Betaine dimethyl acetate, palmityl-N, N-dimethyl-
2-hydroxypropylsulfobetaine, stearyl-
N, N-dimethylsulfobetaine and the like, among others, betaine-type amphoteric surfactants in terms of detergency, such as lauryl-N, N-dimethylacetate betaine, octylamidopropyl-N, N-dimethylacetate betaine, Palmityl
N, N-dimethyl-2-hydroxypropylsulfobetaine, stearyl-N, N-dimethylsulfobetaine and the like are preferred.

Examples of the cationic surfactant include an alkyltrimethylammonium salt-type cationic surfactant, a dialkyldimethylammonium salt-type cationic surfactant, and an alkyldimethylbenzylammonium salt-type cationic surfactant (eg, Sanisol C). Among them, an alkyldimethylbenzylammonium salt type cationic surfactant is preferred. More specifically, the cationic surfactant is trimethylpalmitylammonium chloride,
Dimethylammonium distearyl chloride, lauryldimethylbenzylammonium chloride and the like are preferred.

There is no particular limitation on the container used when the antifouling detergent composition for toilets of the present invention is used, but when used in a trigger, a squeeze former or the like, an alkyl as a foam control agent is used. Diphenyl ether disulfonic acid, alkyl diphenyl ether sulfonic acid, alkane sulfonic acid, or an alkali metal salt thereof
It is preferable to mix seeds or two or more kinds. Alkyl diphenyl ether disulfonic acid, especially from the viewpoint of wiping properties,
Or its alkali metal salt is preferable.

The amount of the antifouling base in the antifouling detergent composition for toilets of the present invention is not particularly limited, but is 0.1 to 20% by weight, especially 0.1 to 20% in order to sufficiently exert the effects of the present invention. ~ 1
It is desirable to add 0% by weight.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION The antifouling detergent composition for toilets of the present invention contains, in addition to the above-mentioned essential components, additives contained in ordinary detergent compositions as long as the effects of the present invention are not impaired. For example, other surfactants, chelating agents, solvents, antibacterial agents, fragrances and the like can be blended.

Specifically, for the purpose of improving the detergency, one or more nonionic surfactants can be added in an amount of 0.01 to 5% by weight. Nonionic surfactants include, for example, alkyl glucosides, sucrose fatty acid esters,
One or two selected from fatty acid glycerin monoesters, higher fatty acid alkanolamides, and amine oxides
More than one species are employed. Specifically, these include lauric acid monoglyceride, stearic acid monoglyceride, lauryl dimethylamine oxide, sucrose oleic acid monoester, sucrose stearic acid monoester, lauric acid diethanolamide, lauric acid monoisopropanolamide, carbon dioxide Alkyl glucoxides having a monosaccharide such as glucose and fructose or a polysaccharide such as maltose and sucrose having a hydrophilic group of Formulas 6 to 18 are preferable. Nonionic activators with ethylene oxide added to higher alcohols, etc., will spill or adhere to the toilet seat when washing the toilet seat or when cleaning the inside of the toilet bowl, causing cracks and cracks in the ABS resin used in many toilet seats. It is not preferable because it occurs.

In order to improve the detergency of inorganic soil, oxalic acid, malonic acid, succinic acid, citric acid,
Malic acid, glutaric acid, ethylenediaminetetraacetic acid, nitrilotriacetic acid, tripolyphosphoric acid, hexametaphosphoric acid, aminotri (methylenesulfonic acid), 1-hydroxyethylidene-1,1-diphosphonic acid, ethylenediaminetetra (methylenesulfonic acid), polyacrylic acid And 0.1 to 10% by weight of one or more compounds selected from a polymer of acrylic acid and maleic acid, or an alkali metal salt or alkaline earth metal ethylenediaminetetraacetate thereof.

Further, one or more solvents such as ethanol, isopropyl alcohol and isopropylene glycol may be added in an amount of 0.1 to improve the detergency of organic stains.
To 10% by weight. Diethylene glycol monobutyl ether, phenoxyethanol, etc. are used in many toilet seats if they spill and adhere to the toilet seat when washing the toilet seat or when cleaning the inside of the toilet.
It is not preferable because cracks and cracks occur in BS resin and the like.

[0021]

EXAMPLES Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples. [Examples 1 to 18 and Comparative Examples 1 to 3] Compositions having the compositions shown in Tables 1 and 2 were prepared, and their detergency and antifouling effect were evaluated by the following methods. The results are shown in Tables 1 and 2.

"Washing power test" Tempura oil is uniformly applied to an iron plate as a model of dirt and baked at a temperature of 180 ° C. for 20 minutes to form a film almost in a dry state. To perform a detergency test. The detergency test was carried out on the model contaminated plate fixed horizontally as shown in Tables 1 and 2.
Each of the compositions shown in the following was dropped and allowed to stand for 40 seconds, and then the raised dirt was lightly removed with absorbent cotton, and the degree of cleaning (detergency) was visually measured. The values in Tables 1 and 2 show the degree (%) of stain removal as an average value of five model contamination plates.

"Measurement method of contact angle" Ceramic tile of 10 cm ² treated with 5 ml of a toilet antifouling detergent composition (INAX SP-100 /
C) Flow 200 ml of water at a flow rate of 25 ml / sec at an angle of 45 °, and then perform drying 10 times. After drying, 10 ml of ion-exchanged water is dropped on the tile surface. It is a measurement of the contact angle of the surface with water.

"Practical dirt resistance" Using a commercially available toilet (C730B TOTO), the dirt resistance was evaluated. That is, the toilet was washed with the composition, and the degree of soiling when left for one week was visually measured based on the following criteria. (Evaluation criteria) ：: No dirt is attached. ：: Slightly adhered. Δ: Slightly adhered. X: There is considerable dirt.

"Practical difficulty in using stool" Using a commercially available actual toilet (manufactured by C730B TOTO), evaluation of stool difficulty in actual use was performed. That is,
Ten panelists used each of the compositions shown in Tables 1 and 2 for one week, and conducted a questionnaire on the adhesion of stool during stool. The evaluation criteria are as follows. (Evaluation criteria) ：: No stool was attached. Δ: A stool was sometimes attached. ×: Good stool was attached.

[0026]

[Table 1]

[0027]

[Table 2]

[Effects] From the above results, it can be seen that the compositions of Examples 1 to 18 of the present invention are excellent in all of detergency, stain resistance and stool resistance. On the other hand, it is understood that Comparative Examples 1 to 3 are not sufficient in any of these effects. Examples 1 to 5 show the relationship between the amount of the anionic surfactant and the performance. When Examples 9 to 15 combine an anionic surfactant with a substance containing a quaternary ammonium group in the molecule, Examples 16 to 17 use an anionic surfactant, an amphoteric surfactant and a cationic surfactant. Example 18 shows the respective performances when a foam control agent was blended. All exhibited good cleaning and antifouling effects.

[0029]

According to the present invention, an antifouling detergent composition for toilets having both an excellent cleaning effect and a simple and sufficient antifouling effect can be obtained. Therefore, the use of the toilet antifouling detergent composition of the present invention not only makes it difficult to adhere dirt, but also makes it possible to remove and wash dirt that has adhered thereto. The present invention provides an antifouling cleaning composition for toilets that can be used extremely easily and can substantially reduce the trouble of cleaning the toilet because it is not necessary to clean the toilet in advance as in the case of using the cleaning composition. Becomes possible.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-35097 (JP, A) JP-A-7-331284 (JP, A) JP-A-60-60194 (JP, A) JP-A-2- 145697 (JP, A) JP-A-7-278598 (JP, A) JP-A-5-214393 (JP, A) JP-A-4-3458698 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) C11D 1/00-17/08

Claims (3)

(57) [Claims] 1. An anionic surfactant and a water-soluble cation
Consisting of an aqueous solution containing an antifouling base containing a functionalized polymer ,
After 5 ml of this was applied to the surface of the ceramic tile and dried, 200 ml of water was flowed at a flow rate of 25 ml / sec at an angle of 45 °, and the operation of drying was performed 10 times. An antifouling detergent composition for toilets, characterized in that: 2. The cationized polymer is selected from cationized starch, cationized cellulose, dimethyldiallylammonium chloride homopolymer, a copolymer of dimethyldiallylammonium chloride and acrylamide, and a copolymer of dimethyldiallylammonium chloride and acrylic acid. The antifouling detergent composition for toilet according to claim 1 , wherein the composition is at least one species. 3. An anionic surfactant comprising polyoxyethylene alkyl ether sulfuric acid (C8 to C20, ethylene oxide addition mole number of 1 to 50), alkylbenzene sulfonic acid (C8 to C20), alkyl sulfate ( The toilet protection according to claim 1 or 2, which is one or more selected from dialkyl sulfosuccinates (each having 4 to 20 carbon atoms in the alkyl group) or an alkali metal salt thereof. Soil cleaning composition.