JPH07126699A - Toilet stool-cleaning agent - Google Patents

Abstract

PURPOSE:To obtain a cleaning agent capable of dissolving in cleaning water and cleaning the toilet stool surface and the trap part and the drain pipe part of the stool and preventing adhesion of stain and scale by forming a mixture of surfactant particles which are solid at ordinary temperature with a solid acid. CONSTITUTION:This cleaning agent consists of a pressure formed article of a mixture of (A) a solid acid such as fumaric acid, adipic acid, orthophthalic acid, succinic acid, maleic acid, methylenesuccinic acid or boric acid with (B) surfactant particles (e.g. particles of ethylene oxide-propylene oxide block polymer) which are solid at ordinary temperature. The cleaning agent does not soften or swell in a cleaning water tank and it is also capable of readily controlling the dissolving speed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet bowl cleaner, and more particularly, to a toilet bowl, a container suspended on the wall of a toilet bowl, a container installed in a tank of flush water, and an upper portion of the tank of flush water. Installed in a container installed in the hand washing section or in a dissolver installed in the middle of the washing water pipe, or put directly into the washing water tank for use, and wash little by little each time the washing water is poured. Wash the toilet bowl surface, the trap section of the toilet bowl, and the drain pipe section with cleaning water dissolved in water or a drug.
The present invention relates to a chemical for preventing dirt and traps on the toilet bowl surface and dirt and scale on the drain pipe section.

[0002]

2. Description of the Related Art A mixed molded product composed of a surfactant, a fragrance, a pigment, etc. is set in a tank for washing water of a toilet bowl, in an upper hand-washing section or in a container suspended on the toilet bowl surface, or a chemical agent is directly washed. A large number of toilet cleaners have been proposed and put into practical use, which are put into a water tank, the chemicals are dissolved little by little in the wash water to prevent stains on the toilet surface, and the wash water is colored to provide a refreshing feeling. Has been done.

[0003]

A mixed molded product composed of a surfactant, a fragrance, a dye and the like is placed in a tank for washing water of a toilet bowl, a hand-washing section on the upper portion or a container suspended on the toilet bowl surface, and Most of the chemicals that dissolve the water in washing water little by little suppress the dissolution rate of the chemicals that are relatively soluble in water by the action of a special container or dissolver.The chemicals are solid at room temperature but contact with water. Then, it easily softens and loses its shape, so it is difficult to use it without storing it in a container.

[0004] Further, a drug containing a surfactant or a water-soluble polymer, which is relatively insoluble in water as a main component, is less likely to be softened, and has a dissolution adjusting function to some extent, is marketed. However, these drugs have the property of swelling and becoming large in volume when they come into contact with water during use, and it is necessary to secure a large drug storage space in the container. These medicines have a problem in that a dissolver and a container, which are not directly related to the performance of the medicine, are expensive, and the container is disposable, so that resources are wasted and dust is generated.

In addition, these chemicals also have the drawback that the amount of the chemicals dissolved in the wash water greatly varies in terms of performance, depending on the elapsed time after the start of use of the chemicals and the interval of use of the toilet bowl.
Furthermore, when the amount of drug dissolved becomes small and the container is discarded, the drug that remains slightly absorbs water and softens, and then flows out of the container, leaving the toilet bowl, toilet floor, worker's clothes and hands. Trouble such as getting dirty easily occurs.

On the other hand, a mixed molded product composed of a surface active agent, a fragrance, a pigment, etc., is directly put into a tank of flush water of a toilet bowl,
The chemicals that are dissolved little by little in the wash water are mainly composed of surfactants and water-soluble polymers that are relatively insoluble in water. The dyes, the fragrances, and other active ingredients contained therein are dissolved in the wash water as well as being dissolved one by one. Therefore, the cost is relatively low because no dissolver or container is used,
Since there is no need for drug replacement, troubles are less likely to occur during replacement. However, the variation in the amount of the drug dissolved in the wash water due to the elapsed time after the start of use of the drug and the use interval of the toilet bowl is larger than that of the type of drug in which the dissolution rate of the drug is suppressed in the dissolver or the container. Further, since the chemical absorbs water in the washing water tank and swells or softens, troubles such as obstructing the operation of the washing water outflow device are likely to occur.

[0007]

Means for Solving the Problems The inventors of the present invention have conducted extensive studies in order to solve the above-mentioned problems, and as a result, a molded product containing surfactant particles and a solid acid which are solid at room temperature was treated with water. The inventors have found that it is possible to easily control the dissolution rate of a drug by selecting a solid acid that does not soften or swell when contacted and has an appropriate dissolution rate, and completed the present invention. The present invention will be described below.

In the toilet bowl cleaner of the present invention, since the molded article itself has a dissolution control function, it is not necessary to use a special dissolver or container, and it is simple to use the dissolver or container. The structure is enough. In addition, since there is no softening or swelling due to contact with water, it is possible to downsize the dissolver and container, and when disposing of the container and medicine, troubles such as soiling the toilet bowl, toilet floor, worker's clothes and hands etc. occur. It has excellent properties that do not occur.

In the present invention, the solid acid is an acidic substance which is solid at room temperature and has a saturated solubility in water of 0.5 g to 5 g.
0 g / 100 g (20 ° C.), preferably 1 g to 10 g
/ 100g (20 ° C) is used. For example, fumaric acid, adipic acid, orthophthalic acid, succinic acid, maleic acid, methylenesuccinic acid, boric acid and the like can be exemplified. These solid acids are used alone or as a mixture of two or more.

In the present invention, the surfactant which is solid at room temperature has a solubility in water of 0.5 g to 20 g / 100 g.
(20 ° C.), preferably 1 g to 10 g / 100 g (2
0 ° C.) and has a melting point of 35 to 100 ° C., preferably 40 to 80 ° C. Although various surfactants can be used in the present invention, a copolymer of ethylene oxide-propylene oxide, which is a species of nonionic surfactant, this copolymer and sorbitan monooleate,
A mixture of this copolymer and sodium dioctylsulfosuccinate is particularly preferably used.

The concentration of the surfactant particles which are solid at room temperature in the molded product is 5 to 40% by weight, preferably 10 to 30% by weight,
The concentration of the solid acid is 40 to 95% by weight, preferably 60 to
90% by weight. The concentration of surfactant particles in the compact is 5
When the content is less than 10% by weight, the concentration of the surfactant becomes low, so that the concentration of the surfactant in the wash water when the agent is dissolved in the wash water is too low to exert a sufficient washing effect, and the concentration of the solid acid is 4%.
When the content is 0% by weight or less, the inclusion of the surfactant particles by the solid acid becomes insufficient, so that the dissolution control of the drug becomes insufficient.

Various active ingredients can be added to the toilet bowl cleaner of the present invention. Various corrosion inhibitors are added for the purpose of preventing corrosion of metal parts such as drainage pipes due to solid acid. As the corrosion inhibitor, alkyl thiourea compounds, triazole compounds and the like are preferably used.

Further, various binders can be added for the purpose of improving moldability of the solid acid, and hydroxypropyl cellulose, polyvinylpyrrolidone, polyvinyl alcohol and the like are preferably used. These binders are used by adding and mixing in a powder state, or by adding an aqueous solution of the binder to a mixture of a solid acid and other additives, kneading the mixture, granulating it with an extruder, and then drying. Are added by various known methods.

In addition, enzymes for the purpose of decomposing organic dirt on the toilet bowl, various chelating agents for the purpose of preventing inorganic dirt, fragrances for the purpose of imparting aroma, and various sterilizers for the purpose of preventing the growth of germs. Antibacterial agents, deodorants and the like can be added for the purpose of removing malodor.

The toilet bowl cleaner of the present invention comprises three types of surfactant particles which are solid at room temperature, solid acid powder or solid acid granules which are granulated by adding a binder, and various additives optionally added. It is preferably molded by a method in which a mixture is filled in a mold and pressure molding is performed.

The various additives are added by various known methods such as a method of adding them as a powder to a mixture of solid acid and surfactant particles, a method of adding them at the time of granulating the surfactant particles and incorporating them in the surfactant particles. It can be added.

The surfactant particles which are solid at room temperature can be produced by various known methods exemplified below. That is, a method of cooling a heated melt of a surfactant alone or a mixture of a surfactant and various additives and crushing a solidified product, a single melt of the surfactant or a mixture of the surfactant and various additives by heating A method of atomizing a substance in the air and cooling and solidifying in the air to obtain particles, a surfactant alone or a heated melt of a mixture of a surfactant and various additives is dropped onto a cooled metal drum, etc. A method of scraping the solidified particles, a method of extruding the solid obtained by cooling the heated melt through a plate having a kneading hole with a screw, and cutting the obtained columnar product to an appropriate length, A cylindrical product obtained by kneading a heated melt of a surfactant alone or a mixture of a surfactant and various additives in a heated or non-heated state and extruding the obtained clay-like product through a plate having holes, is suitable. Those who cut into various lengths It is prepared by various known methods like.

The toilet bowl cleaner of the present invention can be used by putting the molded product directly into the washing water tank or by installing it in the hand washing section above the washing water tank, and preferably using the toilet bowl washing water. Inside the tank or inside the dissolver installed in the upper hand wash section, inside the container suspended on the toilet surface, install it in the washing water piping halfway and take in a part of the washing water to dissolve the chemicals and return it to the piping When used in a type of dissolver or the like to dissolve the washing water by contacting a part of the washing water with the chemical when the washing water flows, it is possible to dissolve more uniformly over a long period of time.

[0019]

The molded body containing the surfactant particles and the solid acid which are solid at room temperature according to the present invention has a structure in which the surfactant particles are contained in the solid acid, and therefore, even if the molded body comes into contact with water Because the contact between the surfactant particles and water is restricted, softening and swelling of the mixed particles are suppressed, and the elution of the surfactant and various active ingredients added to the surfactant particles is controlled stably for a long period of time. Variation in drug elution concentration due to the length of the use interval is reduced. In addition, since the shape of the molded body does not change due to swelling or softening, it can be used without storing it in a container, and when it is stored in a container or a dissolver and used, dissolution adjustment with a dissolver with a simple structure is possible. Yes, downsizing of the dissolver is possible.

In order to dissolve the solid drug evenly in small amounts over a long period of time, only a part of the drug is brought into contact with water, and as the part is dissolved, the drug is supplied and the amount of the drug in contact with water is always constant. In this method, for example, the drug is stored in a cylindrical container and only a part of the lower part of the drug is brought into contact with water. When the drug is dissolved, the drug on the upper part comes down and comes into contact with water again. The method is suitable and has been proposed and put to practical use in the past. Since the drug of the present invention does not undergo deformation such as swelling or softening due to contact with water, it can be used in a dissolver of this type, and when such a dissolver is used, it has a function of controlling dissolution of the drug. It exerts more stable drug solubility by synergistic action.

The toilet bowl cleaner of the present invention keeps the toilet bowl clean by stably dissolving the surfactant and various active ingredients in the wash water for a long period of time. When the pH of the wash water is lowered by the action of the solid acid that dissolves at the same time, the urea in the urine is decomposed into ammonia and carbon dioxide by the action of microorganisms and the pH rises, and the water-soluble calcium in the urine becomes insoluble and the toilet bowl Prevents the occurrence of urine stones adhering to the trap part and drain pipe of the and the yellowing of the toilet wall surface.

[0022]

EXAMPLES The present invention will be described more specifically by way of examples. However, the scope of the present invention is not limited to the following examples.

1) Preparation of drug (Example 1) A heated melt of an ethylene oxide-propylene oxide block polymer which is solid at room temperature was jetted from a nozzle at a height of 15 m into the atmosphere at 10 ° C. to form a spherical particle having a particle diameter of 1 to 3 mm. The particles were obtained. 10 of these surfactant particles
Wt%, 80 wt% orthophthalic acid, and 10 wt% hydroxypropyl cellulose are pressure molded,
A tablet having a diameter of 30 mm and a height of 20 mm was obtained.

(Example 2) An ethylene oxide-propylene oxide block polymer, which was solid at room temperature, was heated and melted to form a plate having a thickness of 2 mm, cooled and solidified, and then crushed to obtain a surface active agent having a particle diameter of 0.5 to 3 mm. A drug granule was obtained. A mixture of 15% by weight of the surfactant particles, 70% by weight of succinic acid and 15% by weight of maleic acid was pressure-molded to give a diameter of 30.
A tablet having a size of 30 mm and a height of 30 mm was obtained.

Example 3 A mixture consisting of 3 parts by weight of an ethylene oxide-propylene oxide block polymer solid at room temperature and 1 part by weight of sorbitan monooleate was kneaded by a double screw type extruder and then extruded from a punching plate having a diameter of 2 mm. The product was cut to a length of 5 mm to obtain cylindrical surfactant particles. This surfactant grain 1
A mixture of 5% by weight, 58% by weight of adipic acid, 15% by weight of succinic acid, 10% by weight of hydroxypropyl cellulose and 2% by weight of a triazole-based corrosion inhibitor was pressure-molded to obtain a tablet having a diameter of 30 mm and a height of 20 mm. It was

Example 4 A mixture of 2 parts by weight of a solid ethylene oxide-propylene oxide block polymer at room temperature and 1 part by weight of sodium dioctylsulfosuccinate was kneaded with a double screw type extruder and punched with a diameter of 2 mm. The product extruded from the plate was cut into a length of 5 mm to obtain cylindrical surfactant particles. A mixture of 20% by weight of the surfactant particles, 75% by weight of succinic acid, 5% by weight of hydroxypropyl cellulose and 2% by weight of a triazole-based corrosion inhibitor was pressure-molded to give a diameter of 30
A tablet having a size of 25 mm and a height of 25 mm was obtained.

(Example 5) A mixture of 15% by weight of the surfactant particles prepared in Example 1, 75% by weight of fumar and 10% by weight of hydroxypropyl cellulose was press-molded to give a tablet having a diameter of 47 mm and a height of 25 mm. Got

Example 6 A mixture having the same composition as in Example 3 was pressure-molded to obtain tablets having a diameter of 47 mm and a height of 25 mm.

Example 7 A mixture of 15% by weight of the surfactant particles prepared in Example 1, 78% by weight of succinic acid, 5% by weight of hydroxypropylcellulose and 2% by weight of a triazole type corrosion inhibitor was pressure-molded. Then, a tablet having a diameter of 47 mm and a height of 25 mm was obtained.

Comparative Example 1 As Comparative Example 1, a container was filled with a mixture of a commercially available surfactant, a dye and a fragrance,
A fragrance cleaner for toilets was used, in which the chemical agent whose surface was covered with a sheet for limiting contact with water was housed in a dissolver and installed in the hand washing water drop section at the top of the wash water tank for use.

(Comparative Example 2) As Comparative Example 2, a toilet fragrance cleansing agent of the type used by being put into a cleaning water tank with a molded product of a commercially available sparingly soluble surfactant, a blue dye and a fragrance is used. I was there.

Comparative Example 3 The chemical of Comparative Example 2 was heated and melted and poured into a mold to obtain a cylindrical molded body having a diameter of 30 mm and a height of 20 mm.

2) Evaluation test-1 When flush water is flushed into the flush water pipe, a part of the flush water is taken into a dissolution tank containing a toilet bowl detergent, and the liquid in which the detergent is dissolved is returned to the pipe. A dissolver having a structure in which the flush water is combined with the flush water and flowed to the toilet surface was installed in the middle of the flush water pipe for flushing the flush water from the flush water tank to the Japanese style toilet bowl. In this dissolver, two medicines of Examples 1 to 4 and Comparative Example 3 were placed in a stacked state and used for one month at home with a married couple and two children. , Consumption of chemicals, degree of dirt on toilet bowl (cleaning is chemical-free, only wiping with water 1
(Once a day) was visually evaluated.

It should be noted that in the dissolver, the drug is in the lower 10
Only mm is in contact with water, and when the chemicals in contact with water dissolve and decrease, the chemicals in the upper part drop down, and the chemicals come into contact with water only when the wash water flows through the pipe. The structure is such that when the flush water has finished flowing, all the drug-dissolved water in the dissolver flows out into the flush water pipe.

3) Evaluation test-2: Examples 6 and 7 were provided at the hand wash water outlet at the upper part of the wash water tank of the toilet bowl of the type in which flush water flows from the wash water tank to the Japanese style toilet bowl.
The drug of Example 1 was wrapped in a film and two pores each having a diameter of 1 mm were opened in the upper part and the lower part, and the drug of Comparative Example 1 was installed and evaluated in the same manner as in Evaluation Test-1.

4) Evaluation test-3 The medicine of Example 5 was stored in a plastic basket-like container in a flush water tank of a toilet bowl in which flush water was made to flow from the flush water tank to the Japanese style toilet bowl. It was placed in a state where 1/4 of the molded body was dipped and the chemical of Comparative Example 2 was dipped in the bottom of the wash water tank, and evaluated in the same manner as in Evaluation Test-1.

The test results are shown in Table 1. The symbols and numerical values in the table mean the following items.・ Contamination of filth on the toilet: Observed during daily toilet cleaning ◎: No adhesion ○: Adhesion is clearly decreased △: Slightly effective ×: No effect ・ Yellow of toilet: Observation result after 1 month ◎ : No yellowing ○: Slight yellowing occurs Δ: Yellowing occurs ×: Large yellowing ・ Amount of drug dissolved: Calculates the amount of drug dissolved by measuring the remaining weight after one month ・ Drug state: Changes in drug shape during dissolution It was visually observed.

[0038]

[Table 1]

[0039]

As shown in Table 1, the toilet cleaning agent of the present invention can stably dissolve the surfactant and the solid acid in the wash water. Therefore, the synergistic effect of both of them can make the toilet bowl dirty. Prevents the attachment of dirt such as yellowing caused by decomposition of urine or urine for a long time. In addition, the drug does not deform due to swelling or softening during use and can be stored in a small dissolver, and it is also possible to add drugs by stacking them on top of the drug in use for a long period of time. It can be used without replenishing the medicine.

The present invention relates to improved toilet bowl cleaners. By using the toilet bowl cleaning agent of the present invention, the daily cleaning work of the toilet bowl can be greatly reduced and the toilet user can feel refreshed, and its public health and industrial significance is extremely great.

Front Page Continuation (72) Eiji Takemura Eiji Takemura 12-54 Goi Minami Kaigan, Ichihara, Chiba Pref.

Claims (3)

[Claims] 1. A toilet bowl cleaner, which is a molded product containing solid surfactant particles and a solid acid at room temperature. 2. The concentration of the surfactant particles in the molded product is 5 to 4.
The toilet cleaning agent according to claim 1, wherein 0% by weight and the concentration of the solid acid in the molded body are 40 to 95% by weight. 3. A surfactant containing ethylene oxide-propylene oxide copolymer, ethylene oxide-propylene oxide copolymer and sorbitan monooleate, and ethylene oxide-propylene oxide copolymer and sodium dioctyl sulfosuccinate. The toilet cleaning agent according to claim 1 or 2, wherein the toilet cleaning agent is at least one selected from the group consisting of a mixture.