JP2012214667A - Detergent composition for hard surface - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detergent composition for a hard surface having excellent cleaning power for stains comprising organic compounds such as sebum stain, and complex stains thereof.SOLUTION: In the detergent composition for hard surface, (a) a nonionic surfactant expressed by general formula (1): R-O-[(PO)/(EO)]-H, (b) a nonionic surfactant expressed by general formula (2): R-O(CHO)-H, (c) an inorganic acid, and water are blended under the specified condition, where in formulae, Rrepresents an 8-22C hydrocarbon group; PO represents a propyleneoxy group; EO represents an ethyleneoxy group; m denotes an average addition mole number of PO or EO of 0.1-20; and n denotes a number of 0.1-40; Rrepresents an 8-22C hydrocarbon group; and p denotes the average addition mole number of 0.1-20.

Description

  The present invention relates to a hard surface cleaning composition.

  Cleaning bathrooms and toilets basically requires a lot of labor, and it is a very labor-intensive task to remove the scents and microbial stains that occur especially in the summer to remove odors. In bathrooms and toilets, it is possible to prevent adhesion of dirt by preventing dirt from sticking or cleaning frequently, but it is difficult to remove strong dirt if this is neglected. To work.

  It has been proposed to use a neutral detergent for cleaning light stains that adhere to normal use, but for stronger stains, use a detergent mainly composed of sodium hypochlorite or hydrochloric acid. A main cleaning agent has been proposed. It is known that a cleaning agent mainly composed of hydrochloric acid is suitable as described in Patent Document 1 for accumulated dirt of metal components (calcium, iron, etc.) contained in tap water. Yes.

  In addition, cleaning agents mainly composed of hydrochloric acid are suitable for removing mold stains, and there are countries where bathroom cleaners containing hydrochloric acid are widely used in Southeast Asia such as the Kingdom of Thailand.

  In addition, as a detergent mainly composed of hydrochloric acid, a combination of two kinds of specific nonionic surfactants, that is, two kinds of polyoxyethylene alkyl ethers having different average added mole numbers, can be used as perfumes and pigments under strongly acidic conditions. Is disclosed in Patent Document 1 and contains a specific nonionic surfactant and a low molecular weight polypropylene glycol, and exhibits a low foaming property and exhibits a specific foaming behavior. A mixed solution is disclosed in Patent Document 2.

JP 63-147000 US Pat. No. 5,104,563

  However, most of the actual stains in bathrooms are not only metal components and molds that are effective by inorganic acids such as hydrochloric acid, but also stains such as sebum stains, or a combination of metal components, mold and sebum stains, etc. It is. For example, soap residue can be given as a representative example. An even better cleaning effect is desired against such dirt. Such an effect needs to be realized by a component having sufficient acid resistance so as not to impair the storage stability.

  An object of the present invention includes a soil containing an organic compound such as sebum stain, mold stain, soap residue, or a composite of these stain and a metal component (such as a hard water component in tap water or a metal component in soap residue). An object of the present invention is to provide a hard surface cleaning composition having excellent cleaning power and storage stability against dirt.

In the present invention, (a) a nonionic surfactant represented by the following general formula (1) [hereinafter referred to as component (a)] 0.01 to 10% by mass, (b) represented by the following general formula (2) Nonionic surfactant [hereinafter referred to as component (b)], (c) 1-30% by mass of inorganic acid, and water, and the mass ratio of (a) and (b) is (a) / ( b) It is related with the cleaning composition for hard surfaces which is 0.06-15.
R ¹ -O - _{[(PO) m / (EO)} n ] -H (1)
[In the formula, R ¹ is a hydrocarbon group having 8 to 22 carbon atoms, PO is a propyleneoxy group, EO is an ethyleneoxy group, m and n represent the average number of moles of PO or EO, m Is a number from 0.1 to 20, and n is a number from 0.1 to 40. The order of addition of PO and EO does not matter. “/” Means that the addition form of PO and EO may be block or random. ]
R ² —O (C ₂ H ₄ O) _p —H (2)
Wherein, R ² is a hydrocarbon group having 8 to 22 carbon atoms, p is represents an average addition mole number is the number of 0.1 to 20. ]

The present invention also relates to (a) 0.01 to 10% by mass of a nonionic surfactant represented by the following general formula (1 ′), (c) an inorganic acid (hereinafter referred to as component (c)) 1 to 30 The present invention relates to a hard surface cleaning composition containing mass% and water.
R ¹ —O— (EO) _n1 (PO) _m (EO) _n2 —H (1 ′)
[In the formula, R ¹ is a hydrocarbon group having 8 to 22 carbon atoms, m, n1 and n2 represent the average added mole number of PO or EO, and are each independently a number of 0.1 to 20; And the sum total of n1 and n2 is 0.2-40. ]

  Moreover, this invention is a manufacturing method of the cleaning composition for hard surfaces which mix | blends said (a) component, (b) component, (c) component, and water, and manufactures the said composition of this invention, In the total of the blending components, (a) component is 0.01 to 10% by mass, (c) component is 1 to 30% by mass, and (a) component and (b) component are (B) It is related with the manufacturing method used by the mass ratio of 0.06-15. However, when the component (a) is a nonionic surfactant represented by the general formula (1 '), the component (b) may not be blended.

  According to the present invention, dirt containing organic compounds such as sebum dirt, mold dirt, soap scum or the like (hereinafter sometimes referred to as organic dirt), or these organic dirt and metal components (in hard water components or soap scum in tap water) Thus, a hard surface cleaning composition having excellent detergency and storage stability against soil containing a composite with a metal component, etc. (hereinafter sometimes referred to as composite soil) is obtained.

<(A) component>
The component (a) of the present invention is a nonionic surfactant represented by the following general formula (1). Such nonionic surfactants are effective in improving detergency and storage stability.
R ¹ -O - _{[(PO) m / (EO)} n ] -H (1)
[In the formula, R ¹ is a hydrocarbon group having 8 to 22 carbon atoms, PO is a propyleneoxy group, EO is an ethyleneoxy group, m and n represent the average number of moles of PO or EO, m Is a number from 0.1 to 20, and n is a number from 0.1 to 40. The order of addition of PO and EO does not matter. “/” Means that the addition form of PO and EO may be block or random. ]

In general formula (1), R ¹ is a hydrocarbon group having 8 to 22 carbon atoms, preferably 10 to 18 carbon atoms, and more preferably 12 to 14 carbon atoms from the viewpoints of improving detergency and improving storage stability. Examples of the hydrocarbon group include an alkyl group and an alkenyl group, and an alkyl group is preferable.

  In general formula (1), m is a number of 0.1 to 20, preferably 0.5 to 10, more preferably 1 to 5, and still more preferably 1 to 2, from the viewpoint of detergency.

  In general formula (1), n is a number of 0.1 to 40, preferably 2 to 30, more preferably 5 to 20, and still more preferably 11 to 16, from the viewpoint of detergency.

  From the viewpoint of detergency, the combination of m and n in general formula (1) is preferably 0.5 to 10 and 2 to 30, more preferably 1 to 5 and 5 to 20 for m. Particularly preferably, m is 1-2 and n is 11-16.

The component (a) of the present invention is preferably a nonionic surfactant represented by the following general formula (1 ′) from the viewpoint of detergency. This nonionic surfactant is obtained by adding blocks to R ¹ -O in the order of (EO) _n1 , (PO) _m , and (EO) _n2 .
R ¹ —O— (EO) _n1 (PO) _m (EO) _n2 —H (1 ′)
[In the formula, R ¹ is a hydrocarbon group having 8 to 22 carbon atoms, m, n1, and n2 represent the average added mole number of PO or EO, the average added mole number of PO or EO, and each independently. And the total of n1 and n2 is 0.2-40. ]

In general formula (1 ′), R ¹ is preferably a hydrocarbon group having 8 to 22 carbon atoms, more preferably 10 to 18 carbon atoms, and still more preferably 12 to 14 carbon atoms from the viewpoint of detergency. Examples of the hydrocarbon group include an alkyl group and an alkenyl group, and an alkyl group is preferable.

  In the general formula (1 ′), m is preferably a number of 0.1 to 20, more preferably 0.5 to 10, still more preferably 1 to 5, particularly preferably 1 to 2, from the viewpoint of detergency. Is a number.

  In the general formula (1 ′), n1 is preferably a number of 0.1 to 20, more preferably 2 to 15, still more preferably 5 to 10, particularly preferably 6 to 8, from the viewpoint of detergency. is there.

  In the general formula (1 ′), n2 is preferably a number of 0.1 to 20, more preferably 2 to 15, further preferably 5 to 10, particularly preferably 6 to 8, from the viewpoint of detergency. is there.

  The total of n1 and n2 is 0.2-40 from a viewpoint of a detergency, Preferably it is 2-30, More preferably, it is 5-20, More preferably, it is 6-16, Most preferably, it is 12-14.

<(B) component>
The component (b) of the present invention is a nonionic surfactant represented by the following general formula (2). The component (b) is effective for improving detergency.
R ² —O (C ₂ H ₄ O) _p —H (2)
Wherein, R ² is a hydrocarbon group having 8 to 22 carbon atoms, p is represents an average addition mole number is the number of 0.1 to 20. ]

In the general formula (2), R ² is a hydrocarbon group having 8 to 22, preferably 10 to 18, more preferably 12 to 14 carbon atoms from the viewpoint of detergency. Examples of the hydrocarbon group include an alkyl group and an alkenyl group, and an alkyl group is preferable.

  In general formula (2), p is a number from 0.1 to 20, preferably from 2 to 15, more preferably from 3 to 10, still more preferably from 4 to 10, particularly preferably from 5 to 7, from the viewpoint of detergency. Is the number of

The method for preparing the compound of component (a) and component (b) is not particularly limited. For example, ethylene oxide and / or fatty alcohol represented by R ¹ —OH or R ² —OH depending on the purpose. Produced by adding a predetermined amount of propylene oxide. The addition reaction of ethylene oxide and / or propylene oxide requires a catalyst, and an alkali hydroxide such as NaOH or KOH can be used. Moreover, the catalyst which has a magnesium oxide as a main component as described in Unexamined-Japanese-Patent No. 8-323200 can be used, The former can obtain polyoxyethylene alkyl ether with comparatively wide addition mole number distribution, The latter is comparison. A compound having a narrow addition mole number distribution can be obtained. Further, as disclosed in JP-A-10-158384, it is also possible to control the added mole number distribution by using an alkali catalyst and a metal oxide catalyst in combination.

<(C) component>
The component (c) of the present invention is an inorganic acid. Examples of the inorganic acid include hydrochloric acid, sulfuric acid, nitric acid and the like. From the viewpoint of improving detergency, hydrochloric acid or sulfuric acid is preferable, and hydrochloric acid is particularly preferable.

<Cleaning composition for hard surface>
The hard surface cleaning composition of the present invention has a high emulsifying power for soils that are organic compounds such as sebum soil, and component (b) that promotes penetration of the cleaning composition into soil. And (c) component having a high detergency against metal components and molds are used in combination under specific conditions to achieve even better detergency against organic and complex stains.

  The reason for this is not necessarily clear, but component (b) promotes penetration of the detergent composition into the composite soil, and (a) component emulsifies organic soil-derived components in the composite soil, while (c) When the component dissolves the metal component and the mold-derived component in the composite soil, the content of the component (a), component (c) and the mass ratio (a) / (b) of the present invention, the component (a), This is because not only the component (b) but also the component (c) functions more effectively.

  In addition, since the component (a) emulsifies the component (b) in the detergent composition for hard surfaces as well as dirt, by using a certain amount of the component (a) with respect to the component (b) It is considered that the storage stability of the hard surface cleaning composition is improved.

  In addition, when using the nonionic surfactant represented by General formula (1 ') as (a) component, even if it does not mix | blend (b) component, other (a) component and (b) component The same effect as when combined with is obtained. Therefore, the present invention includes a hard surface cleaning composition in which the nonionic surfactant represented by the general formula (1 ') and the component (c) are combined.

  The hard surface cleaning composition of the present invention is 0.01 to 10% by mass of the component (a) from the viewpoint of improving the detergency against composite soil by emulsification of soil and improving the storage stability of the hard surface cleaning composition. , Preferably 0.5 to 6% by mass, more preferably 1 to 2% by mass. In addition, the component (b) is preferably 0.01 to 10% by mass, more preferably 0.5 to 6% by mass, from the viewpoint of improving the detergency against the composite soil by promoting penetration of the cleaning composition into the soil. More preferably, it contains 3 to 5% by mass. In addition, from the viewpoint of detergency against composite stains, especially metal components in composite stains, organic stains, especially mold stains, component (c) is 1 to 30% by mass, preferably 3 to 15% by mass, more preferably 5-13 mass%, More preferably, it contains 7-11 mass%. Here, although the component (c) can be obtained and used in an aqueous solution, in the present invention, the amount of the component (c) is an amount based on the effective component. For example, since hydrochloric acid is an aqueous solution of hydrogen chloride (for example, an aqueous solution having a hydrogen chloride concentration of about 35% by mass), the amount as hydrogen chloride is used as the amount of component (c). In addition, content of each component used by this invention, ie, (a)-(c) component, and the below-mentioned arbitrary component may be based on the preparation amount at the time of a mixing | blending.

  When the hard surface cleaning composition of the present invention contains the component (a) and the component (b), the mass ratio of the component (a) to the component (b) is (a) / (b) = 0.06-15. It is. From the viewpoint of improving the detergency by emulsification of storage stability and composite soil, the mass ratio of (a) and (b) is 0.06 or more in (a) / (b), preferably 0.09 or more, more preferably Is 0.1 or more, more preferably 0.3 or more. In addition, the mass ratio of (a) and (b) is 15 or less in terms of (a) / (b), preferably 12 or less, more preferably, from the viewpoint of improving the detergency by promoting penetration of the detergent composition into the composite soil. Is 10 or less, more preferably 5 or less, still more preferably 1 or less, and particularly preferably 0.5 or less.

  Further, in the hard surface cleaning composition of the present invention, from the viewpoint of improving storage stability and cleaning power against composite dirt, (a) a nonionic surfactant represented by the above general formula (1), (b) component And the total content of (c) component or (a) the total content of the nonionic surfactant represented by the general formula (1 ′) and (c) component is preferably 2 to 25% by mass. Yes, more preferably 3 to 25% by mass, still more preferably 10 to 20% by mass, and particularly preferably 12 to 18% by mass.

  The hard surface cleaning composition of the present invention is a surfactant other than the component (a) and the component (b) for the purpose of imparting a foam increasing effect at the time of cleaning and improving the cleaning power. , (Referred to as component (d)).

  As specific examples of the component (d), from the viewpoint of a foam increasing effect at the time of washing, an alkylbenzene sulfonic acid having an alkyl group having 8 to 16 carbon atoms, an α-olefin sulfonic acid having 16 to 20 carbon atoms, and 8 to 22 carbon atoms. And an anionic surfactant selected from these salts, alkyl glyceryl ethers having an alkyl group having 5 to 18 carbon atoms, and alkyl glycosides having an alkyl group having 8 to 18 carbon atoms.

  Among these, the anionic surfactant has a high ratio of the acid form in the hard surface cleaning composition of the present invention, but is generally handled in a salt form at the time of blending. As the salt, an inorganic salt selected from sodium salts, potassium salts, lithium salts, magnesium salts, and ammonium salts, and organic amine salts selected from monoethanolamine salts, diethanolamine salts, and triethanolamine salts are preferable.

  As the component (d), from the viewpoint of improving the detergency effect, an alkylbenzenesulfonic acid having an alkyl group having 8 to 16, preferably 10 to 14, more preferably 12 to 14 carbon atoms or a salt thereof is preferable.

  (D) Content of a component is 0.01-5 mass% in a composition, Furthermore, 0.01-1 mass%, Especially 0.1-0.8 mass% is preferable. Moreover, when mix | blending the alkylbenzenesulfonic acid which has a C8-C16 alkyl group, or its salt as (d) component, content in a composition is 0.1-3 mass%, Furthermore, 0.2-2 0.5% by mass, particularly 0.2 to 2.0% by mass is preferable.

  The hard surface cleaning composition of the present invention can contain a solvent [hereinafter referred to as component (e)] for the purpose of improving storage stability and adjusting viscosity. The solvent is preferably a water-soluble organic solvent. Specific examples thereof include ethanol, isopropyl alcohol, ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, glycerin, isoprene glycol, propylene glycol monomethyl ether, propylene glycol monoethyl ether, 3 -Water-soluble organic solvents selected from methyl-3-methoxybutanol, phenoxyethanol, phenyl glycol, phenoxyisopropanol, butyl diglycol (diethylene glycol monobutyl ether), dibutylene glycol, and benzyl alcohol. Among these, one or more water-soluble organic solvents selected from butyl diglycol, ethanol, and propylene glycol are preferable, and one or more water-soluble organic solvents selected from ethanol and propylene glycol are more preferable. Here, the water-soluble organic solvent refers to a solvent having an octanol / water partition coefficient (LogPow) of 3.5 or less. The content of the component (e) is preferably 0 to 30% by mass, more preferably 5 to 20% by mass, particularly preferably 10 to 15% by mass in the composition from the viewpoint of improving storage stability and adjusting the viscosity. is there.

  The hard surface cleaning composition of the present invention can contain components such as a fragrance, a dye, and a pigment.

  The hard surface cleaning composition of the present invention contains water. It is preferably in the form of a liquid composition obtained by dispersing and dissolving (a) component to (c) component and optionally (d) component, (e) component, perfume and other optional components in water, and further an aqueous solution. Water content is the quantity adjusted so that the sum total of the component of a composition may be 100 mass%.

  From the viewpoint of detergency, the hard surface cleaning composition of the present invention has a pH at 20 ° C. of 1 or less, further −1 to 1, further −0.5 to 0.5, and further −0.5 to 0. It is preferable that

  The hard surface cleaning composition of the present invention comprises (a) component, (b) component, (c) component and water or (a) component [however, a nonionic surfactant represented by the above general formula (1 ′) It is an agent], (c) a component and water. In that case, (a) component and (c) component use 0.01 to 10 mass% of (a) component and 1 to 30 mass% of (c) component in the sum total of a compounding component. Moreover, when mix | blending (b) component, (a) component and (b) component are used by the mass ratio of (a) / (b) = 0.06-15. Specifically, the hard surface cleaning composition of the present invention is not particularly limited, but (a) component to (c) component, and optionally (d) component, and optionally (e). It can manufacture by mixing arbitrary components, such as a component and a fragrance | flavor, with water, and also disperse | distributing and dissolving in water.

  Application of the hard surface cleaning composition of the present invention to a hard surface is applied directly to the hard surface by a squeeze bottle, trigger spray, etc., or after applying to the hard surface by these means, a sponge, a scourer, a dust cloth, Examples thereof include a method of spreading on a hard surface by means of a mop or the like, applying a sponge, dust cloth, mop or the like to a hard surface. The removal of the hard surface cleaning composition applied to the hard surface includes methods such as rinsing with water, wiping with a porous and flexible sheet member such as cloth, paper, nonwoven fabric, etc., preferably with water. It is preferable to wash away.

  After rinsing with water, it is preferable to wipe off with a porous and flexible sheet member such as cloth, paper, nonwoven fabric or the like.

  The cleaning composition of the present invention is preferably applied to a hard surface constituting equipment around water, for example, a hydrophobic hard surface made of a material selected from plastics and ceramics, specifically Is preferably applied to reinforced plastic (FRP), polyvinyl chloride, polypropylene, polyethylene, ABS, nylon, tile and the like. The hard surface cleaning composition of the present invention is suitable as a bathroom cleaning composition and a toilet cleaning composition.

  The cleaning composition for hard surfaces shown in Table 1 was prepared, and the cleaning power and storage stability were evaluated. The results are shown in Table 1.

<Detergency evaluation>
[Preparation of bathroom dirt]
In an actual bathroom, a polypropylene bath chair was used without washing for 3 months. The dirt adhering to the bath chair is considered to contain organic dirt such as sebum dirt, mold dirt and the like, and composite dirt that these organic dirt forms with metal components such as hard water components and soap scum in tap water. . A plurality of 5 cm × 10 cm square pieces were cut from the side of the bath chair.
[Detergency evaluation]
A urethane sponge cut into a cubic shape with a side of 3 cm is impregnated with 5 ml of the hard surface cleaning composition, and the surface of the cut piece is subjected to a Gakushin type friction fastness tester (AB- 301 COLOR FASTNESS RUBBING TESTER), a load of 30 g / cm ² was applied and rubbed 10 times. The rubbed surface was then rinsed with water and dried at room temperature (25 ° C.). The reflectivity of the surface of the cut piece before and after cleaning and the reflectivity of the surface of the cut piece including the completely clean surface collected from the same bath chair are measured with a reflectometer (manufactured by HORIBA, Ltd., Handy Gloss Meter Gross Checker IG- 310), and the washing rate was calculated by the following equation. In the cleaning, the same operation was performed on 10 cut pieces, and the average values of the reflectances before and after the cleaning were adopted.
Cleaning rate (%) = (Average value of reflectance after cleaning−Average value of reflectance before cleaning) / (Reflectance of a surface having no dirt at all−Average value of reflectance before cleaning) × 100

<Storage stability evaluation>
The hard surface cleaning composition is placed in a polypropylene container and stored in a sealed state for 11.5 hours at 20 ° C., then cooled to −20 ° C. in the next 0.5 hour, and remains at −20 ° C. 11 Store for 5 hours and raise to 20 ° C in the next 0.5 hour. This operation was made once and repeated 10 times (10 days). The state of the sample was visually observed and evaluated according to the following criteria.
Even after 5:25 days, no precipitate was formed and no liquid was separated.
4: The occurrence of precipitation and / or separation of liquid was observed within 25 days after exceeding 19 days.
3: Over 14 days and within 19 days, precipitation and / or separation of liquid was observed.
2: Over 9 days and within 14 days, generation of precipitates and / or separation of liquid were observed.
1: Precipitation occurred or liquid separated within 9 days.

The components in the table are as follows. The numbers following EO and PO in the display of the component (a) and the component (b) in the table are average added mole numbers.
Component (a): Polyoxyalkylene lauryl ether (1): 7.0 moles of ethylene oxide (hereinafter referred to as EO) and 1 mole of propylene oxide (hereinafter referred to as PO) per mole of lauryl alcohol. Polyoxyalkylene lauryl ether obtained by block addition of 5 mol and EO in the order of 7.0 mol.
Polyoxyalkylene lauryl ether (2): polyoxyalkylene obtained by block addition of 5.0 mol of EO, 4.5 mol of PO and 5.0 mol of EO in that order with respect to 1 mol of lauryl alcohol Alkylene lauryl ether.
Polyoxyalkylene lauryl ether (3): polyoxyalkylene lauryl ether obtained by block addition of PO in an order of 1.0 mol and EO in an order of 6.0 mol with respect to 1 mol of lauryl alcohol.

Component (b): Polyoxyethylene lauryl ether (1): Polyoxyethylene lauryl ether obtained by adding 6.0 mol of EO to 1 mol of lauryl alcohol.
Polyoxyethylene myristyl ether: polyoxyethylene myristyl ether obtained by adding 6.0 mol of EO to 1 mol of myristyl alcohol.
Polyoxyethylene lauryl ether (2): polyoxyethylene lauryl ether obtained by adding 8.0 mol of EO to 1 mol of lauryl alcohol.

(C) Component Hydrochloric acid (special grade reagent, manufactured by Wako Pure Chemical Industries, Ltd.) was blended so that the concentration of hydrogen chloride would be the number in the table. In addition, sulfuric acid was blended so that the effective amount was the number in the table.

(D) Component / LAS: Laurylbenzenesulfonic acid (formulated in acid form)

  From the results in Table 1, it was found that the compositions of the examples were excellent in detergency and storage stability. From Comparative Example 1, it was found that if the component (a) was not contained, the detergency and storage stability were inferior.

  The hard surface cleaning composition of the present invention has excellent detergency against organic dirt such as sebum dirt, mold dirt and the like, and composite dirt of these organic dirt and metal components. It is suitable as a cleaning composition for hard surfaces of equipment.

Claims (10)

(A) 0.01-10 mass% of nonionic surfactant represented by the following general formula (1), (b) nonionic surfactant represented by the following general formula (2), (c) inorganic acid A hard surface cleaning composition comprising 1 to 30% by mass and water, wherein the mass ratio of (a) and (b) is (a) / (b) = 0.06 to 15.
R ¹ -O - _{[(PO) m / (EO)} n ] -H (1)
[In the formula, R ¹ is a hydrocarbon group having 8 to 22 carbon atoms, PO is a propyleneoxy group, EO is an ethyleneoxy group, m and n represent the average number of moles of PO or EO, m Is a number from 0.1 to 20, and n is a number from 0.1 to 40. The order of addition of PO and EO does not matter. “/” Means that the addition form of PO and EO may be block or random. ]
R ² —O (C ₂ H ₄ O) _p —H (2)
Wherein, R ² is a hydrocarbon group having 8 to 22 carbon atoms, p is represents an average addition mole number is the number of 0.1 to 20. ] The detergent composition for hard surfaces according to claim 1, wherein (a) is the following general formula (1 ').
R ¹ —O— (EO) _n1 (PO) _m (EO) _n2 —H (1 ′)
[In the formula, R ¹ is a hydrocarbon group having 8 to 22 carbon atoms, m, n1 and n2 represent the average added mole number of PO or EO, and are each independently a number of 0.1 to 20; And the sum total of n1 and n2 is 0.2-40. ]   The hard surface cleaning composition according to claim 1 or 2, wherein the total content of (a), (b) and (c) is 2 to 25% by mass.   The detergent composition for hard surfaces according to any one of claims 1 to 3, which contains 0.01 to 10% by mass of (b). (A) Hard surface cleaning composition containing nonionic surfactant 0.01-10 mass% represented by following general formula (1 '), (c) inorganic acid 1-30 mass%, and water. .
R ¹ —O— (EO) _n1 (PO) _m (EO) _n2 —H (1 ′)
[In the formula, R ¹ is a hydrocarbon group having 8 to 22 carbon atoms, m, n1 and n2 represent the average added mole number of PO or EO, and are each independently a number of 0.1 to 20; And the sum total of n1 and n2 is 0.2-40. ]   The hard surface cleaning composition according to claim 5, wherein the total content of (a) and (c) is 2 to 25% by mass.   The hard surface cleaning composition according to any one of claims 1 to 6, wherein (c) is hydrochloric acid.   Furthermore, the hard surface cleaning composition of any one of Claims 1-7 containing 0.1-3 mass% of alkylbenzenesulfonic acid which has a C8-C16 alkyl group, or its salt.   The hard surface cleaning composition according to any one of claims 1 to 8, wherein the pH at 20 ° C is 1 or less.   It is a manufacturing method of the cleaning composition for hard surfaces which mix | blends said (a), (b), (c) and water, and manufactures the composition of any one of Claims 1-9, Comprising: In the total of the components, (a) is 0.01 to 10% by mass, (c) is 1 to 30% by mass, and (a) and (b) are (a) / (b) = 0. A production method used at a mass ratio of 06-15.