JPH07173496A - Detergent composition for bath heater and drainpipe - Google Patents

Abstract

PURPOSE:To obtain a detergent compsn. capable of generating heat and vigorously foaming during use thereof to thereby effectively remove stains from a stained object without application of a physical force to the stained object. CONSTITUTION:This compsn. comprises sodium percarbonate, a powdery hydrazide, a surfactant, and a reaction initiator.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to an exothermic foaming detergent composition. More specifically, the present invention relates to a cleaning composition for bathtubs and drainage pipes, which simultaneously induces an exothermic action and a foaming action, and utilizes a strong expansion phenomenon associated therewith.

[0002]

2. Description of the Related Art Conventional cleaning agents are classified according to the type of dirt.
In addition, depending on the type of object to be washed, water / solvent with excellent solubility and dispersibility is used as a base, and a surfactant with surface activity, acids / alkalis / oxidants with chemical reactivity /
Reducing agent, adsorbent / abrasive having adsorption power / polishing power
It has been developed and commercialized for various purposes using enzymes that have biological degrading power.

[0003]

However, in any of these cleaning agents, in any case, rubbing (rubbing), rubbing (rubbing), wiping (wiping), or washing with a tool is performed. It requires physical force such as by machine, and ultimately depends on human power. Furthermore, in reality, the temperature is added to increase the cleaning effect, and the treatment takes a long time.

By the way, bathtubs, drain pipes and the like are among those requiring cleaning. Bathtubs are used every day, and in Japan and the like where cleanliness is preferred, particularly effective cleaning is desired. However, cleaning the bathtub requires a great deal of labor and is one of the most burdensome tasks in domestic work. Further, if the drainage pipe is clogged, it will cause a great hindrance to daily life, but since it is a place out of reach of people, it is not uncommon for its treatment to be difficult. Therefore, there has been a long-felt demand for the development of a cleaning agent that does not require human power to wash such places and objects and that exhibits effective cleaning power.

In order to meet such demands, many bath bath cleaners have been developed. For example, Japanese Examined Patent Publication (Kokoku) No. 3-52791 by a combination of an acid and a percarbonate, and JP-A-58-58 by a combination of a gas generating agent and a cleaning agent.
196297, JP-A-58-196298, JP-A-56-163199, and the like.
Further, as a cleaning agent for drainage pipes, Japanese Patent Publication No. 60-26440, which is a combination of an alkali and an inorganic peroxide, and Japanese Patent Publication No. 57-61078, which is a combination of an inorganic peroxide and a surfactant, is disclosed. 61-166899
JP-A-61-258900, Japanese Patent Publication No. 2-291 based on a combination of an inorganic peroxide and hypochlorite.
No. 18, Japanese Patent Application Laid-Open No. 56-78695 using a combination of percarbonate and sulfite, Japanese Patent Publication No. 58-3000 containing aluminum powder as a main component, Japanese Patent Publication No. 62-2.
No. 4040, and Japanese Examined Patent Publication No. 1-51520 in which a solid caustic and a solid hydrogen peroxide adduct are combined. Of these detergents, the usual detergents are not effective for cleaning bathtubs and drainage pipes, so they generate heat during use (for example, those containing the above-mentioned aluminum powder as the main component) or gas. Although various devices such as those (for example, Japanese Patent Laid-Open No. 58-196297) have been elaborated, they have not yet achieved a sufficient cleaning effect.

[0006]

As a result of intensive studies, the inventors of the present invention conducted heat generation and foaming action at the same time, heating the soiled portion and peeling off the contaminants by the pressure of the bubbles during expansion. By doing so, we succeeded in developing a cleaning composition for bath kettles / drain pipes that can effectively wash bath kettles and drain pipes without using physical forces such as rubbing, rubbing, and wiping. The invention was completed.

That is, the gist of the present invention is (1) an exothermic foaming bath kettle / drainage pipe cleaning composition comprising sodium percarbonate, powdered hydrazide, a surfactant and a reaction initiator, and (2) the powder. The hydrazide is adipic acid dihydrazide or carbodihydrazide, (1) the bath kettle / drain pipe cleaning composition, (3) the surfactant is a nonionic surfactant, an anionic surfactant, a cation (1) one or more selected from the group consisting of a system surfactant and an amphoteric surfactant, (4) a bath kettle / drainage pipe detergent composition, (4) the reaction initiator is a copper-containing ion sequestration (1) A bath kettle / drainage pipe cleaning composition according to (1), which is an alkali metal salt of an agent, (5) The bath pot according to (1), wherein the concentration of the sodium percarbonate is 50 to 94% by weight. Drain pipe cleaner Things, (6) the concentration of powdery hydrazide, is from 1.0 to 45% by weight (1) or bathtub and drain pipe cleaning composition according to (2), (7)
The concentration of the surfactant is 0.3 to 20% by weight, (1) or the cleaning composition for a drain pipe according to (3), and (8) the concentration of the reaction initiator is 0. 1 ~
The cleaning composition for bathtub / drain pipe according to (1) or (4), which is 6.0% by weight.

The bath cleaner / drainage pipe cleaning composition of the present invention will be described below. INDUSTRIAL APPLICABILITY The present invention eliminates physical force such as rubbing, rubbing, wiping, etc. on a dirty portion by the reaction heat generated by the reaction of powdered hydrazide and sodium percarbonate and the generated gas, and by utilizing the expansive force accompanied therewith. It is an object of the present invention to provide a detergent composition capable of enhancing the cleaning effect.

Therefore, the hydrazide contained in the bathtub / drainage cleaning composition of the present invention includes adipic acid dihydrazide, carbodihydrazide, stearic acid hydrazide, malonic acid dihydrazide, succinic acid dihydrazide, sebacic acid dihydrazide and dodecane. One or more selected from the group consisting of diacid dihydrazide, isophthalic acid hydrazide and p-toluenesulfonyl hydrazide. Of these, adipic acid dihydrazide and carbodihydrazide are preferable.

The concentration of hydrazides is 1.0 to 45% by weight, preferably 2 to 45% by weight. When the amount of hydrazide is small, the reaction power is low and the gas generated is small, so the foaming effect does not decrease, and if it is too large,
It is not preferable because it may impair the solubility and storage stability in the preparation and may be dangerous in handling at home.

The concentration of sodium percarbonate contained in the bath kettle / drainage pipe cleaning composition of the present invention is usually 50-9.
It is 4% by weight, preferably 70 to 94% by weight.
If the concentration of sodium percarbonate is less than this range, the amount of effective oxygen will be low, and the reaction will be weakened, and the foaming effect will not be exhibited. It is also dangerous in handling and is not preferable.

The bath kettle / drainage pipe cleaning composition of the present invention preferably requires a surfactant. As the surfactant used in the present invention, nonionic, anionic,
It can be used regardless of cationic type. Amphoteric surfactants can also be used. For example, polyoxyethylene lauryl ether, polyoxyethylene alkyl ether,
Sodium polyoxyethylene lauryl ether sulfate,
Polyoxyethylene alkylphenyl ether alkanolamide, polyoxyethylene nonylphenyl ether, sodium dodecylbenzene sulfonate, higher alkyl sulfate ester salt, sodium alkyldi (aminoethyl) glycine, lauryltrimethylammonium chloride, 2-alkyl-N-carboxymethyl chloride -N-hydroxyethyl imidazolinium betaine etc. are mentioned.
The role of the surfactant in the present invention is mainly the swelling effect associated with foaming, and in addition to this, it is considered to contribute to the cleaning effect such as removal of stains on the object, and the like. All surfactants can be used.

The concentration of the surfactant used in the bath kettle / drainage pipe cleaning composition of the present invention is 0.3 to 20% by weight, preferably 0.5 to 15% by weight. It is a feature of the present invention that the concentration of the surfactant used in the present invention is higher than the concentration usually used as a detergent. This is directly related to the fact that the cleaning composition of the present invention is characterized by enhancing the cleaning effect by utilizing intense heat generation and foaming during use. That is, in order for the foam generated by mixing the detergent composition of the present invention with water to exert a strong pressure on the object, the foam generated must be stabilized, and for that purpose, the surfactant having a certain concentration or more is used. This is because the presence of agents is essential.

A copper-containing ion sequestering agent is preferably used as a reaction initiator in the bath kettle / drainage pipe cleaning composition of the present invention. Specifically, for example, ethylenediaminetetraacetic acid copper, hydroxyethylenediaminetetraacetic acid copper,
Alkali metal salts such as copper diethyltriaminepentaacetate, copper triethylenetetraaminehexaacetate, and copper nitrilotriacetate are used. As the alkali metal, potassium, sodium and the like are preferable.

The concentration of the reaction initiator in the bath kettle / drainage pipe cleaning composition of the present invention is usually 0.1 to 6% by weight, preferably 0.2 to 3% by weight. This is because if it is less than this range, a sufficient heat-generating / foaming effect cannot be obtained, and even if it is used beyond this range, the corresponding increase in effect cannot be obtained.

The detergent composition for bath tub / drainage pipe of the present invention contains powdered hydrazide, sodium percarbonate, a surfactant and a reaction initiator as described above, but more preferably, other carbonates are appropriately used. Bulking agents such as soda and glauber, chelating agents such as imide sulfates, amino acids and polybasic carboxylic acids, stabilizers, thickeners, bactericides, deodorants, colorants, fragrances, alkaline agents, and other cleaning aids. The agent or the like may be added in powder form. The object of the cleaning composition of the present invention is a bathtub, a drainage pipe, etc., and depending on the size and complexity of the use scene, a stronger heat generating action, a foaming action, and a foaming rate associated therewith are required. Therefore, it is possible to increase the power by adding a metal salt such as a cobalt salt of sulfuric acid, nitric acid, hydrochloric acid, carbonic acid, a copper salt or a metal sequestering agent of cobalt as an auxiliary agent of the reaction initiator. Further, the amount of the reaction initiator used can be reduced by blending these auxiliary agents. At this time, the amount of the auxiliary agent used is 1/5 to 5 times the amount of the reaction initiator. When used, the bath kettle / drainage pipe cleaning composition of the present invention generates heat and foams in the presence of water. Therefore, it is necessary to supply water according to the usage situation, but there is no particular limitation on the usage method.

[0017]

Examples The cleaning effect of the bath kettle / drainage pipe cleaning composition of the present invention is based on the exothermic effect and the foaming effect. Therefore, first, the hydrazides in the cleaning composition that affect the exothermic effect and the foaming effect, Experimental examples of the effects of sodium percarbonate, a surfactant or a reaction initiator are shown below.

Experimental Example 1 Sodium percarbonate (effective oxygen, 12% or more), adipic acid dihydrazide (95% or more) shown in Table 1, and sodium alkylbenzenesulfonate 4% as a surfactant.
The liquid temperature, foaming amount, and foaming rate of the detergent composition containing 1% of disodium ethylenediaminetetraacetate as a reaction initiator were examined. That is, 5 g of the detergent composition was put into a 500 ml graduated cylinder,
30 ml of water at 0 ° C. was added, and the liquid temperature, foaming amount and foaming rate at that time were measured. The measurement time was 20 minutes. Here, the liquid temperature represents the maximum temperature of the water temperature in the measured 20 minutes, the foaming amount represents the maximum amount of bubbles in the measured 20 minutes, and the foaming speed is the time when the foaming amount reaches 200 ml. Represents The results are shown in Table 1.

[0019]

[Table 1]

As is clear from Table 1, a sufficient cleaning effect is obtained in the range of 50 to 94% by weight for sodium percarbonate and in the range of 1.0 to 45% by weight for adipic dihydrazide. Expected liquid temperature, foam volume and foam rate were observed.

Experimental Example 2 Sodium percarbonate 83%, adipic acid dihydrazide 6
%, A mixture of polyoxyethylene alkylphenyl ether and sodium alkylbenzene sulfonate 5% as a surfactant, and ethylenediaminetetraacetic acid copper disodium X% as a reaction initiator, for each concentration of the reaction initiator. The liquid temperature, the foaming amount and the foaming speed were examined. That is, 5 g of the detergent composition was put into a 500 ml graduated cylinder, 30 ml of water at 28.5 ° C. was added, and the liquid temperature, the amount of foaming and the foaming rate at that time were measured. The measurement time was 20 minutes. Here, the liquid temperature, the amount of foaming, and the method of measuring the foaming rate are as described in Experimental Example 1. The results are shown in Table 2.

[0022]

[Table 2]

As is clear from Table 2, ethylenediaminetetraacetate copper disodium as a reaction initiator is
A sufficient effect was exhibited in the range of 0.1 to 5.0% by weight. It should be noted that use of an amount exceeding 5% by weight is economically unfavorable because the effect commensurate with the amount used is not increased.

Experimental Example 3 Sodium percarbonate 83%, adipic acid dihydrazide 6
%, Ethylenediaminetetraacetate copper disodium 1% as a reaction initiator, and X% of sodium alkylbenzenesulfonate as a surfactant, the liquid temperature, foaming amount, and foaming at each concentration of the surfactant. I checked the speed. That is, 5 g of the detergent composition was put into a 500 ml graduated cylinder, and water at 29 ° C.
ml was added, and the liquid temperature, foaming amount and foaming rate at that time were measured. The measurement time was 20 minutes. Where the liquid temperature,
The method for measuring the foaming amount and the foaming rate is as described in Experimental Example 1. The results are shown in Table 3.

[0025]

[Table 3]

As is clear from Table 3, sodium alkylbenzene sulfonate as the surfactant is 0.3
A sufficient effect was exhibited in the range of 10% by weight. Also, 10
For use in amounts greater than wt%, reduce the amount of sodium percarbonate used in this formulation, increase the amount of surfactant used,
Similarly, its effect was investigated. As a result, when the amount of the surfactant used was increased to 15, 20% by weight, the liquid temperature and the foaming amount tended to decrease, and the foaming rate tended to decrease in particular.

Experimental Example 4 The action and effect of each cleaning composition having the following formulation was investigated. That is, 5.4 g of the cleaning composition (5.4 g in the case of composition 1, 1.4 g of agent A and B in the case of composition 2)
Agent 4 g, in the case of Composition 3, Agent A 5 g and Agent B 0.4
g) was put into a 500 ml measuring cylinder, and water 30
ml was added, and the liquid temperature and the amount of foaming at that time were measured. The results are shown in Table 4. Composition 1 Sodium percarbonate 66%, adipic acid dihydrazide 7
%, 7% of a mixture of polyoxyethylene alkyl ether and alkylphenol ether sulfate ester salt, and 0.5% of copper disodium ethylenediaminetetraacetate to 100% with sodium carbonate.

Composition 2 Agent A: 27% adipic dihydrazide, 20% mixture of polyoxyethylene alkyl ether and alkylphenol ether sulfate ester salt and 2% ethylenediaminetetraacetic acid copper disodium salt with 100% sodium carbonate.
% Powder. Agent B: a dust agent in which sodium percarbonate 90%, a mixture of polyoxyethylene alkyl ether and alkylphenol ether sulfate ester salt 3% is 100% with sodium carbonate. Composition 3 Agent A: a dusting agent containing 7.5% of adipic dihydrazide, 71% of sodium percarbonate, and 7.5% of a mixture of polyoxyethylene alkyl ether and alkylphenol ether sulfate ester salt with sodium carbonate. Agent B: ethylenediaminetetraacetic acid copper disodium 6.
Dust with 7% 100% sodium carbonate.

[0029]

[Table 4]

These compositions differ in that composition 1 is a one-part composition and compositions 2 and 3 are two-part compositions, and composition 2
Also in the case of the composition 3 and the composition 3, the former compounded adipic acid dihydrazide with the agent A and sodium percarbonate with the agent B, and the surfactant in both the agent A and the agent B, while the latter compounded the same. , Adipic acid dihydrazide and sodium percarbonate
It is different in that it is blended with the agent, and disodium ethylenediaminetetraacetate copper disodium, which is a reaction initiator, is blended with the agent B. However, in the usage ratios of this experimental example, the usage amounts of all the components are almost the same in the three cases at the time of use, that is, when the agent A and the agent B are mixed.

As is clear from Table 4, all of the compositions 1 to 3 exhibit excellent effects without any difference as long as the liquid temperature and the foaming amount are compared. Also, the foaming rate was almost the same among the three. This fact indicates that the detergent composition of the present invention has substantially the same content of components when used, regardless of whether the components are one-component type, two-component type, or the compounding ratios of agent A and agent B are changed. If so, it shows that almost the same effect can be expected. Therefore, whether the cleaning composition of the present invention is a one-component type or a two-component type is convenient for handling.
It can be appropriately selected in consideration of the convenience of storage and the convenience of use.

Experimental Example 5 With respect to other specific examples such as various hydrazides, various reaction initiators, etc., 5 g of agent A and 2 g of agent B having the following formulations were 500 m.
It was put into a 1-mesh cylinder, 30 ml of water was added, and the foaming amount and foaming rate at that time were measured. Here, agent A is a powder agent in which hydrazide 10%, sodium percarbonate 80%, sodium alkylbenzene sulfonate 5% is made 100% with sodium carbonate, and agent B is a powder agent having 1% reaction initiator as sodium carbonate 100%. Is. The results are shown in Tables 5 and 6.

[0033]

[Table 5]

[0034]

[Table 6]

In Tables 5 and 6, the formulation No. 1
Nos. 4 to 4 are examples using carbodihydrazide as the hydrazide, and showed excellent foaming amount and foaming rate equal to or higher than that of adipic acid dihydrazide. Prescription N
o. Nos. 2 and 5 are examples in which the agent B was made into a liquid preparation, and there was not much difference compared with the powdered preparation, and both showed excellent foaming amount and foaming rate.

Prescription No. Nos. 3, 4, 9, 11, 12 and 13 are examples in which copper sulfate, cobalt sulfate or the like is used as an auxiliary agent of the reaction initiator. Compared to the single use of the reaction initiator, the combination of the auxiliary agent and the functional effects Was found to be higher. Also, the prescription number. 10, 14, 15 and 16 show the effect of adding the same or different metal chelate compound as an auxiliary agent of the reaction initiator, but adding the same kind (EDTA metal salt),
Also, when different chelate compounds such as gluconate were added, a larger amount and rate of foaming were exhibited. Prescription No. 6 and 7 are examples using diluents other than sodium carbonate, and it was found that they can be used similarly to sodium carbonate. Prescription No. No. 8 is an example in which a surfactant was used as the B agent, which also showed an excellent effect. Also, the prescription number. No. 17 is an example using a mixture of hydrazides and similarly showed excellent foaming amount and foaming rate.

Test Example 1 Preparation of Samples: Formulations (Nos. 1 to 7) having different foaming amounts, foaming rates, etc. were prepared for the purpose of use in the detergency test. That is, using a 500 ml graduated cylinder, 5 g of each sample shown in Table 7 was added, 20 ml of water was added, and the liquid temperature at this time was
The foaming amount and the foaming speed were measured. Detergency test: U-shaped tubular glass (internal volume 100 ml) with an inner diameter of 25 mm, and a thin cloth piece containing hair in a length of about 3.5.
The g was packed as a lump in a U-shaped pipe in a state where it was not easily discharged with running water, and the drain pipe was filled with water-insoluble matter. Each sample shown in Table 7 was added from the upper inlet of a U-shaped tube (there was about 100 ml of distilled water), and immediately after that, the inlet was sealed. Then, the amount of the sample used for discharging the lump in the tube from the outlet and the time required were examined. The results are shown in Table 7.

[0038]

[Table 7]

As is clear from Table 7, all the formulations were able to discharge the lumps in the U-shaped tube within 30 minutes. However, the formulation No. with a small amount of hydrazide. Prescription No. 2 with a small amount of sodium percarbonate Prescription No. 3 containing few reaction initiators 6
Is the prescription number. Since the foaming speed was slower than that of 1, 5 or 7, the momentary expansion force was weak, and as a result, a large amount was used and a long discharge time was required. Therefore,
Practically, 1% by weight or more of hydrazide and 50
Preference is given to blending by weight of sodium percarbonate in an amount of 0.3% by weight or more, a surfactant of 0.3% by weight or more and an initiator of 0.1% by weight or more.

Test Example 2 Each detergent composition of Experimental Example 4 was examined for its temporal stability. That is, a bag in which a predetermined amount of each of Compositions 1, 2, and 3 was sealed with a poly film was stored at room temperature for 10 months, and this was used as a sample. Each of these samples was tested in the same manner as in Experimental Example 4, and the liquid temperature, foaming amount, and foaming rate were measured. The results are shown in Table 8.

[0041]

[Table 8]

As is clear from Table 8, no influence of the reaction initiator was observed, and the liquid temperature, the foaming amount and the foaming rate were as excellent as those at the beginning of the production. That is, it is clear that the cleaning composition of the present invention is stable over time and can be stored for a long period of time.

Example As a target, (1) a bath kettle, (2) a drainage pipe of a washbasin, and (3) a toilet for men's urine were used normally, but were not cleaned for a certain period of time and dirt was naturally attached.・
The accumulated material was subjected to a test as an article to be cleaned.

(1) Bath Kettle As a cleaning composition, the formulation No. of Table 7 was used. 1, 5, 7 were used. As the number of tests, the cleaning effect at three locations was examined for each prescription. 100 g of the detergent of each prescription was poured into the bath kettle from the lower water passage hole in the drained bath together with 100 ml of water, and the water passage hole was closed. After injection of the cleaning agent, heat and foaming occurred within 1 minute for each prescription, and the liquid rapidly expanded,
It was discharged vigorously as warm bubbles from the upper water passage.
At this time, dirt substances including hair in the bath pot were discharged together with bubbles. Then, after 30 minutes, a water supply hose was put in the lower water passage hole, and water was vigorously flushed to wash the inside of the bath kettle. Also at this time, some of the dirty substances remaining in the bath kettle were discharged.

(2) Drain pipe of wash basin Compositions 1, 2 and 3 shown in Table 4 were used as cleaning agent compositions. As the number of tests, 6 drainage pipes having a bad smell and bad water flow were selected, and 2 places were used for each composition to examine the cleaning effect. 27 g in the case of composition 1, 7 g of agent A in the case of composition 2, and agent 20 of B in the drain of the washbasin
In the case of composition 3, 25 g of agent A and 2 g of agent B were added.
Immediately after charging, heat and foaming occur in each composition, and 3 to 4
After a minute, warm foam spouted from the drain hole and covered the washbasin with foam. At this time, a large amount of dirt substances in the drainage pipe were mixed in the bubbles. Then, when tap water was poured after 30 minutes, the odor disappeared and the flow of water became very good.

(3) Toilet for men's urine The following composition was used as a detergent composition. Composition 1 Agent A: A dust agent prepared by diluting and mixing 12% adipic acid dihydrazide, 18% nonionic surfactant, and 2% ethylenediaminetetraacetic acid copper disodium-copper sulfate mixture with sodium carbonate. Agent B: Sodium percarbonate powder containing 2% terpene aroma deodorant.

Composition 2 Agent A: Dust mixture in which 4% adipic acid dihydrazide, 4% carbodihydrazide, 70% sodium percarbonate, and 7% anionic surfactant are diluted and mixed with sodium carbonate. B agent: ethylenediaminetetraacetic acid copper disodium 7%
Dust mixture prepared by diluting and mixing with sodium carbonate. Composition 3 Agent A: carbodihydrazide 10%, sodium percarbonate 6
Dust prepared by diluting and mixing 8% and 10% anionic surfactant with sodium bicarbonate. B agent: ethylenediaminetetraacetic acid copper disodium 10
% Powder diluted with sodium bicarbonate.

As the number of tests, six toilets that were clogged, the flow of water was bad, and the smell became odor were selected, and each composition was used at two places to examine the cleaning effect. In the drain of the men's toilet, in the case of composition 1, 25 g of agent A and 25 agent B
In the case of compositions 2 and 3, 50 g of agent A and 5 g of agent B
, Respectively. In this case, 1 for each composition
After the cleaning agent was added, the test was conducted with a lid at some points.

In all the compositions, vigorous heat generation and foaming occurred immediately after charging, and in the place where the lid was not covered, the foam vigorously spouted with the dirt substance after 1 minute, and in the case of the composition 1, a faint scent drifted around. Let Then, when the water was made to flow after 1 hour, the flow of the water became very good and it became usable.

[0050]

EFFECTS OF THE INVENTION The cleaning composition for bathtub / drainage pipe of the present invention generates heat and intense foaming during use, and can effectively remove dirt without applying physical force to the dirt target. And Therefore, it can be effectively used for cleaning the bathtub, the drain pipe, the drain port of the toilet, and the like.

Claims (8)

[Claims] 1. Sodium percarbonate, powdered hydrazide,
An exothermic foaming bath bath / drain pipe cleaning composition comprising a surfactant and a reaction initiator. 2. The bath bath / drain pipe cleaning composition according to claim 1, wherein the powdery hydrazide is adipic acid dihydrazide or carbodihydrazide. 3. The surfactant according to claim 1, which is one or more selected from the group consisting of nonionic surfactants, anionic surfactants, cationic surfactants, and amphoteric surfactants. Cleaning composition for bath kettle and drainage pipe. 4. The cleaning composition for bath tub / drain pipe according to claim 1, wherein the reaction initiator is an alkali metal salt of a copper-containing ion sequestering agent. 5. The concentration of sodium percarbonate is 50-9.
The cleaning composition for bathtub / drain pipe according to claim 1, which is 4% by weight. 6. The concentration of the powdery hydrazide is 1.0 to
45% by weight of the bath / drain pipe cleaning composition according to claim 1 or 2. 7. The cleaning composition for bath kettle / drain pipe according to claim 1 or 3, wherein the concentration of the surfactant is 0.3 to 20% by weight. 8. The concentration of the reaction initiator is 0.1 to 6.0.
The bath kettle according to claim 1 or 4, which is the weight%.
Drainage pipe cleaning composition.