JP2016124978A - Liquid detergent for fiber product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid detergent for fiber product having enhanced detergency and excellent in antibacterial effects.SOLUTION: There is provided a liquid detergent for fiber product containing (A) component: an anionic surfactant, (B) component: a semi-polarity surfactant and (C) component: a cationic antimicrobial agent. The content of the (B) component is preferably 0.1 to 8 mass%. A mass ratio represented by the (B) component/the (A) component is preferably 0.1 to 3. Total content of the surfactant is preferably 25 mass% or less.SELECTED DRAWING: None

Description

  The present invention relates to a liquid detergent for textile products.

Due to the growing awareness of hygiene, products having antibacterial effects in addition to cleaning effects have been put on the market for liquid detergents for textile products. Cationic antibacterial agents such as cationic surfactants are widely used as active ingredients that exhibit antibacterial effects.
In the present specification, the “antibacterial effect” means an effect of suppressing the growth of bacteria. The higher the antibacterial effect, the higher the effect of deodorizing items to be washed such as clothing.
As such a liquid detergent having an antibacterial effect, for example, a liquid detergent containing an anionic surfactant, a betaine amphoteric surfactant, and a cationic antibacterial agent is disclosed (see Patent Document 1). .

JP 2001-152200 A

In the liquid cleaning agent for textile products, the cleaning power with respect to the dirt adhering to the washing object is required. In order to improve detergency, when an anionic surfactant is added as a cleaning component to a liquid detergent containing a cationic antibacterial agent, an anion-cation complex is formed and the antibacterial effect of the cationic antibacterial agent is exhibited. There is a problem that it becomes difficult.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a liquid cleaning agent for textiles that has an improved antibacterial effect and has an excellent antibacterial effect.

As a result of intensive studies, the present inventors provide the following means in order to solve the above problems.
[1] Component (A): an anionic surfactant; (B) component: a semipolar surfactant; and (C) component: a cationic antibacterial agent. Liquid cleaning agent.
[2] The liquid detergent for textiles according to [1], wherein the content of the component (B) is 0.1 to 8% by mass.
[3] The liquid detergent for textiles according to [1] or [2], wherein the mass ratio represented by (B) component / (A) component is 0.1-3 .
[4] The liquid detergent for textiles according to any one of [1] to [3], wherein the total content of the surfactant is 25% by mass or less.
[5] The liquid detergent for textiles according to any one of [1] to [4], wherein the pH is 8 or less.

  According to the liquid detergent for textiles of the present invention, the cleaning power can be improved and the antibacterial effect is excellent.

(Liquid detergent for textile products)
The liquid detergent for textile products of the present invention (hereinafter also simply referred to as “liquid detergent”) includes (A) component: anionic surfactant, (B) component: semipolar surfactant, and (C) component. : A liquid composition containing a cationic antibacterial agent. Such liquid detergents also include liquid bleach.

<(A) component: anionic surfactant>
In the liquid cleaning agent of this invention, by containing (A) component, the cleaning power with respect to the stain | pollution | contamination adhering to to-be-washed | cleaned material improves, and the cleaning effect is exhibited. In particular, the cleaning power against dirt when a liquid cleaning agent is applied directly to an object to be cleaned for cleaning is improved.
(A) A component is not specifically limited, The anionic surfactant normally used for the washing | cleaning agent for textiles is mentioned. Examples of the component (A) include linear alkyl benzene sulfonate; α-olefin sulfonate; linear or branched alkyl sulfate ester salt; alkyl ether sulfate ester salt; alkenyl ether sulfate ester salt; Α-sulfo fatty acid ester salts; fatty acid salts, alkyl ether carboxylates, polyoxyalkylene ether carboxylates, alkylamide ether carboxylates, alkenylamide ether carboxylates, acylaminocarboxylates, etc. Acid type anionic surfactants; phosphoric acid ester type esters such as alkyl phosphoric acid ester salts, polyoxyalkylene alkyl phosphoric acid ester salts, polyoxyalkylene alkyl phenyl phosphoric acid ester salts, glycerin fatty acid ester monophosphoric acid ester salts Examples include nonionic surfactants.
Examples of the salt form of the component (A) include alkali metal salts such as sodium and potassium; alkaline earth metal salts such as magnesium; alkanolamine salts such as monoethanolamine salt and diethanolamine salt.

Among these, as the linear alkylbenzene sulfonate, those having 8 to 16 carbon atoms in the linear alkyl group are preferable, and those having 10 to 14 carbon atoms are particularly preferable.
The α-olefin sulfonate is preferably one having 10 to 20 carbon atoms.
As the alkyl sulfate ester salt, those having 10 to 20 carbon atoms are preferable.
As the alkyl ether sulfate ester salt or alkenyl ether sulfate ester salt, polyoxyethylene having a linear or branched alkyl group or alkenyl group having 10 to 20 carbon atoms and having an average of 1 to 10 moles of ethylene oxide added thereto. Alkyl ether sulfates or polyoxyethylene alkenyl ether sulfates are preferred.
The alkane sulfonate is preferably a secondary alkane sulfonate having an alkyl group having 10 to 20 carbon atoms, more preferably 14 to 17 carbon atoms.
The α-sulfo fatty acid ester salt is preferably one having 10 to 20 carbon atoms.
As the fatty acid salt, those having 10 to 20 carbon atoms are preferable.

As the component (A), any one type may be used alone, or two or more types may be used in combination.
Among these, as the component (A), since the effects of the present invention are easily obtained, linear alkylbenzene sulfonate, alkane sulfonate, α-olefin sulfonate, alkyl ether sulfate, and alkenyl ether sulfate are used. At least one selected from the group consisting of ester salts is preferred.
The component (A) includes a linear alkylbenzene sulfonate (hereinafter referred to as “(A1) because the viscosity of the liquid detergent can be increased and the viscosity can be easily adjusted to apply the liquid detergent directly to the object to be washed. It is preferable to use at least “component”).
In addition, as the component (A), it is preferable to use at least an alkane sulfonate (hereinafter sometimes referred to as “component (A2)”) from the viewpoint that good liquid stability is easily obtained.
Among these, as the component (A), at least one selected from the group consisting of the component (A1), the component (A2), the α-olefin sulfonate, the alkyl ether sulfate ester salt, and the alkenyl ether sulfate ester salt; The combination of is preferable. Among these, the combination of the component (A1) and the component (A2) is particularly preferable because a viscosity suitable for directly applying the liquid cleaning agent to the article to be cleaned and good liquid stability can be easily obtained.

The proportion of the component (A1) in the component (A) is a mass ratio represented by the component (A1) / component (A) (hereinafter also referred to as “(A1) / (A) ratio”). 5 or less is preferable, 0.05 to 0.3 is more preferable, and 0.1 to 0.2 is more preferable.
When the proportion of the component (A1) in the component (A) is equal to or more than the lower limit of the above preferable range, the cleaning power against dirt adhering to the object to be cleaned is further improved, and at the same time, the viscosity of the liquid cleaning agent is moderately increased. It becomes easy. On the other hand, when the ratio of the component (A1) to the component (A) is not more than the upper limit of the above preferable range, the liquid stability of the liquid detergent is easily secured.

  In the liquid detergent, the content of the component (A) is preferably 0.4 to 7% by mass, more preferably 0.5 to 5.5% by mass with respect to the total mass of the liquid detergent, and 1 to 3 % By mass is more preferable, and 1.5 to 2% by mass is particularly preferable. (A) The cleaning power with respect to the stain | pollution | contamination adhering to to-be-washed object improves more that content of a component is more than the lower limit of the said preferable range. On the other hand, when the content of the component (A) is not more than the upper limit value of the preferable range, the liquid stability of the liquid cleaning agent is easily secured.

<(B) component: Semipolar surfactant>
In the liquid cleaning agent of this invention, coexistence with washing | cleaning performance and antibacterial performance is achieved by containing (B) component in addition to (A) component and (C) component.
In the present invention, the “semipolar surfactant” is a surfactant having a semipolar bond (a bond having an intermediate property between a nonpolar bond and a polar bond), and a solution in which the semipolar surfactant is dissolved. Or what shows cationic property, anionic property, or both polarities by the pH of the dispersion liquid to disperse | distribute.
Examples of component (B) include amine oxide surfactants.
Preferable amine oxide type surfactants include compounds represented by the following general formula (b1).

［式中、Ｒ^１は、炭素数７〜２２の直鎖状もしくは分岐鎖状のアルキル基、又は炭素数７〜２２の直鎖状もしくは分岐鎖状のアルケニル基である。Ｘは、−ＣＯＮＨ−、−ＮＨＣＯ−、−ＣＯＯ−又は−ＯＣＯ−である。Ｒ^２は、炭素数１〜５のアルキレン基である。Ｒ^３及びＲ^４は、それぞれ独立して炭素数１〜３のアルキル基又は炭素数１〜３のヒドロキシアルキル基である。ｐは、０又は１である。］

[Wherein, R ¹ represents a linear or branched alkyl group having 7 to 22 carbon atoms, or a linear or branched alkenyl group having 7 to 22 carbon atoms. X is —CONH—, —NHCO—, —COO— or —OCO—. R ² is an alkylene group having 1 to 5 carbon atoms. R ³ and R ⁴ are each independently an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms. p is 0 or 1. ]

In the formula (b1), R ¹ is preferably a linear or branched alkyl group having 7 to 22 carbon atoms, and more preferably a linear or branched alkyl group having 9 to 14 carbon atoms.
In the formula (b1), X is preferably —CONH— or —NHCO—, and more preferably X—R ² in the formula (b1) is —CONH—R ² .
In the formula (b1), R ² is preferably an alkylene group having 1 to 3 carbon atoms, and more preferably a propylene group having 3 carbon atoms.
In the formula (b1), R ³ and R ⁴ are each independently preferably an alkyl group having 1 to 3 carbon atoms, and more preferably a methyl group. Among these, R ³ and R ⁴ are more preferably methyl groups.
In the formula (b1), p is preferably 1.

  Among the compounds represented by the general formula (b1), a compound represented by the following general formula (b1-1) or a compound represented by the general formula (b1-2) is preferable.

［式中、Ｒ^５は、炭素数８〜１８の直鎖状もしくは分岐鎖状のアルキル基、又は炭素数８〜１８の直鎖状もしくは分岐鎖状のアルケニル基である。Ｒ^６及びＲ^７は、それぞれ独立して炭素数１〜３のアルキル基又は炭素数１〜３のヒドロキシアルキル基である。］

[Wherein, R ⁵ represents a linear or branched alkyl group having 8 to 18 carbon atoms, or a linear or branched alkenyl group having 8 to 18 carbon atoms. R ⁶ and R ⁷ are each independently an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms. ]

In the formula (b1-1), R ⁵ is preferably a linear or branched alkyl group having 8 to 18 carbon atoms, more preferably a linear or branched alkyl group having 10 to 14 carbon atoms. preferable.
In the formula (b1-1), R ⁶ and R ⁷ are each independently preferably an alkyl group having 1 to 3 carbon atoms, and more preferably a methyl group. Among these, it is more preferable that R ⁶ and R ⁷ are both methyl groups.
Examples of the compound represented by the formula (b1-1) include capryl dimethylamine oxide, lauryl dimethylamine oxide, myristyl dimethylamine oxide, palmityl dimethylamine oxide, stearyl dimethylamine oxide, oleyl dimethylamine oxide, and coconut alkyl. Examples thereof include dimethylamine oxide and lauryl diethylamine oxide.

［式中、Ｒ^８は、炭素数７〜２２の直鎖状もしくは分岐鎖状のアルキル基、又は炭素数７〜２２の直鎖状もしくは分岐鎖状のアルケニル基である。Ｒ^９及びＲ^１０は、それぞれ独立して炭素数１〜３のアルキル基又は炭素数１〜３のヒドロキシアルキル基である。ｑは、１〜５の整数である。］

[Wherein, R ⁸ represents a linear or branched alkyl group having 7 to 22 carbon atoms, or a linear or branched alkenyl group having 7 to 22 carbon atoms. R ⁹ and R ¹⁰ are each independently an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms. q is an integer of 1-5. ]

In the formula (b1-2), R ⁸ is preferably a linear or branched alkyl group having 7 to 22 carbon atoms, more preferably a linear or branched alkyl group having 9 to 13 carbon atoms. preferable.
In the formula (b1-2), R ⁹ and R ¹⁰ are each independently preferably an alkyl group having 1 to 3 carbon atoms, and more preferably a methyl group. Among them, it is more preferable that R ⁹ and R ¹⁰ are both methyl groups.
In the formula (b1-2), q is preferably an integer of 1 to 3, and more preferably 3.
Examples of the compound represented by the formula (b1-2) include caprylic amidopropyl dimethylamine oxide, lauric amidopropyl dimethylamine oxide, myristic amidopropyl dimethylamine oxide, palmitic amidopropyl dimethylamine oxide, stearin. Examples include acid amidopropyl dimethylamine oxide, behenic acid amidopropyl dimethylamine oxide, oleic acid amidopropyl dimethylamine oxide, and coconut fatty acid amidopropyl dimethylamine oxide.

As the component (B), any one type may be used alone, or two or more types may be used in combination.
Among these, as the component (B), the compound represented by the general formula (b1-2) is particularly preferable because the effects of the present invention can be easily obtained.
In the liquid detergent, the content of the component (B) is preferably 0.1 to 8% by mass, more preferably 0.2 to 5% by mass, and 0.3 to 3% with respect to the total mass of the liquid detergent. % By mass is more preferable, and 0.5 to 2% by mass is particularly preferable. When the content of the component (B) is equal to or higher than the lower limit of the above preferable range, the cleaning power against dirt attached to the article to be cleaned is further improved. In addition, the antibacterial effect is further increased. On the other hand, when the content of the component (B) is not more than the upper limit of the above preferred range, the cleaning power against dirt attached to the article to be cleaned is further improved. In addition, the liquid stability of the liquid detergent is easily ensured.

In the liquid detergent, the total content of the component (A) and the component (B) is preferably 0.5 to 15% by mass, more preferably 1 to 6% by mass, with respect to the total mass of the liquid detergent. 1.5-4 mass% is further more preferable.
When the total content of the component (A) and the component (B) is equal to or more than the lower limit of the above preferable range, the detergency against dirt attached to the article to be cleaned is further improved. On the other hand, when the total content of the component (A) and the component (B) is equal to or lower than the upper limit value of the preferable range, the liquid stability of the liquid detergent is easily ensured.

In the liquid cleaning agent of the present invention, the ratio of the content of the (B) component to the content of the (A) component is the mass ratio represented by the (B) component / (A) component (hereinafter referred to as “(B) / ( A) ratio ”is preferably 0.1 to 3, more preferably 0.2 to 1.5, and still more preferably 0.3 to 1.
When the (B) / (A) ratio is not less than the lower limit of the above preferred range, the detergency against dirt adhering to the article to be washed is further improved. In addition, the liquid stability of the liquid detergent is easily ensured. On the other hand, when the (B) / (A) ratio is not more than the upper limit of the above preferred range, the cleaning power against dirt adhering to the object to be cleaned is further improved.

In particular, when the ratio (B) / (A) is 1 or less, the content of the component (A) in the liquid detergent is preferably 0.5 to 6% by mass, more preferably 1 to 3% by mass, 1.5-2 mass% is further more preferable. (A) The cleaning power with respect to the stain | pollution | contamination adhering to to-be-washed object improves more that content of a component is more than the lower limit of the said preferable range. On the other hand, when the content of the component (A) is not more than the upper limit value of the preferable range, the liquid stability of the liquid cleaning agent is easily secured.
In the liquid detergent, the content of the component (B) is preferably 0.1 to 5% by mass, more preferably 0.3 to 3% by mass, and further preferably 0.5 to 2% by mass. When the content of the component (B) is equal to or higher than the lower limit of the above preferable range, the cleaning power against dirt attached to the article to be cleaned is further improved. On the other hand, when the content of the component (B) is not more than the upper limit of the above preferred range, the cleaning power against dirt attached to the article to be cleaned is further improved. In addition, the liquid stability of the liquid detergent is easily ensured.

In particular, when the ratio (B) / (A) exceeds 1, the content of the component (A) in the liquid detergent is preferably 0.5 to 6% by mass, more preferably 0.5 to 3% by mass. 0.5 to 2% by mass is more preferable. (A) The cleaning power with respect to the stain | pollution | contamination adhering to to-be-washed object improves more that content of a component is more than the lower limit of the said preferable range. On the other hand, when the content of the component (A) is not more than the upper limit value of the preferable range, the liquid stability of the liquid cleaning agent is easily secured.
In the liquid detergent, the content of the component (B) is preferably 0.5 to 8% by mass, more preferably 0.5 to 5% by mass, and further preferably 0.5 to 3% by mass. When the content of the component (B) is equal to or higher than the lower limit of the above preferable range, the cleaning power against dirt attached to the article to be cleaned is further improved. On the other hand, when the content of the component (B) is not more than the upper limit of the above preferred range, the cleaning power against dirt attached to the article to be cleaned is further improved. In addition, the liquid stability of the liquid detergent is easily ensured.

<(C) component: cationic antibacterial agent>
In the liquid cleaning agent of this invention, an antibacterial effect is exhibited in the to-be-washed object by containing (C) component.
Examples of the component (C) include a quaternary ammonium compound (hereinafter sometimes referred to as “(C-1) component”), an amine compound (hereinafter sometimes referred to as “(C-2) component”), a biguanide compound ( Hereinafter referred to as “(C-3) component”), diallyldialkylammonium polymer (hereinafter also referred to as “(C-4) component”), polylysine or its acid salt (hereinafter referred to as “(C-5)”). Component ").

<< (C-1) component: quaternary ammonium compound >>
As a preferable (C-1) component, a monoalkyl type or dialkyl type cationic surfactant ((C-1-1) component) represented by the following general formula (c-1-1); c-1-2) ethylene oxide addition type quaternary ammonium salt (component (C-1-2)); benzalkonium salt represented by the following general formula (c-1-3) ((C- 1-3) component); pyridinium salt ((C-1-4) component) represented by the following general formula (c-1-4).

［式中、Ｒ^２１〜Ｒ^２４は、それぞれ独立して炭素数１〜３のアルキル基、炭素数１〜３のヒドロキシアルキル基、炭素数８〜２２の直鎖状もしくは分岐鎖状のアルキル基、又は炭素数８〜２２の直鎖状もしくは分岐鎖状のアルケニル基である。但し、Ｒ^２１〜Ｒ^２４のうちの少なくとも２つ以上が、それぞれ独立して炭素数１〜３のアルキル基及び／又は炭素数１〜３のヒドロキシアルキル基である。Ｚ_１ ⁻は、ハロゲンイオン又はアルキル硫酸イオンである。］

[Wherein, R ^{21 to} R ²⁴ each independently represents an alkyl group having 1 to 3 carbon atoms, a hydroxyalkyl group having 1 to 3 carbon atoms, or a linear or branched alkyl group having 8 to 22 carbon atoms. Or a linear or branched alkenyl group having 8 to 22 carbon atoms. However, at least two or more of R ^{21 to} R ²⁴ are each independently an alkyl group having 1 to 3 carbon atoms and / or a hydroxyalkyl group having 1 to 3 carbon atoms. Z ₁ ^- is a halogen ion or an alkyl sulfate ion. ]

In the formula (c-1-1), the alkyl group having 8 to 22 carbon atoms or the alkenyl group having 8 to 22 carbon atoms in R ^{21 to} R ²⁴ has a preferable carbon number of 10 to 21 and more preferable carbon. The number is 10 to 18, the more preferable carbon number is 10 to 16, and the particularly preferable carbon number is 12 to 14.
In the formula _{(c-1-1), Z 1} - The Z ₁ constituting the halogen ions in, fluorine atom, chlorine atom, bromine atom, and an iodine atom, from the viewpoint of versatility, a chlorine atom preferable. Z ₁ ^- The Z ₁ constituting the alkyl sulfate ions in, preferably those having an alkyl group having 1 to 3 carbon atoms, such as methyl sulfate.

As the monoalkyl type cationic surfactant, preferably, among R ^{21 to} R ²⁴ , three are alkyl groups having 1 to 3 carbon atoms, and one is a linear alkyl group having 8 to 22 carbon atoms or 8 carbon atoms. Examples thereof include quaternary ammonium compounds having a linear alkenyl group of ˜22 and Z ₁ ⁻ is a halogen ion.
In this case, a methyl group is preferable among the alkyl groups having 1 to 3 carbon atoms. Among these alkyl groups or alkenyl groups, a linear alkyl group having 10 to 18 carbon atoms or a linear alkenyl group having 10 to 18 carbon atoms is preferable, and a linear alkyl group having 12 to 18 carbon atoms or A linear alkenyl group having 12 to 18 carbon atoms is more preferable, and a linear alkyl group having 12 to 14 carbon atoms or a linear alkenyl group having 12 to 14 carbon atoms is more preferable. Z ₁ ^- as is preferably a halogen ion, a chlorine ion is more preferred.

As the dialkyl type cationic surfactant, preferably, among R ^{21 to} R ²⁴ , two are alkyl groups having 1 to 3 carbon atoms, and the other two are linear alkyl groups having 10 to 21 carbon atoms or carbon numbers. The quaternary ammonium compound which is a 10-21 linear alkenyl group is mentioned.
In this case, a methyl group is preferable among the alkyl groups having 1 to 3 carbon atoms. Among such alkyl groups or alkenyl groups, a linear alkyl group having 10 to 14 carbon atoms or a linear alkenyl group having 10 to 14 carbon atoms is preferable. Z ₁ ^- as is preferably a halogen ion, a chlorine ion is more preferred.

  Examples of the component (C-1-1) include dodecyltrimethylammonium chloride, tetradecyltrimethylammonium chloride, and didecyldimethylammonium chloride.

［式中、Ｒ^２５は、炭素数８〜２２のアルキル基、又は炭素数８〜２２のヒドロキシアルキル基である。Ｒ^２６は、炭素数８〜２２のアルキル基、炭素数８〜２２のヒドロキシアルキル基、メチル基又はトリル基である。ｍ及びｎは、オキシエチレン基の平均繰り返し数を示し、ｍ＋ｎが２以上である。Ｚ_２ ⁻は、ハロゲンイオン又はアルキル硫酸イオンである。］

[Wherein, R ²⁵ represents an alkyl group having 8 to 22 carbon atoms or a hydroxyalkyl group having 8 to 22 carbon atoms. R ²⁶ is an alkyl group having 8 to 22 carbon atoms, a hydroxyalkyl group having 8 to 22 carbon atoms, a methyl group, or a tolyl group. m and n represent the average number of repeating oxyethylene groups, and m + n is 2 or more. Z ₂ ⁻ is a halogen ion or an alkyl sulfate ion. ]

In the formula ^(c-1-2), the number of carbon atoms in the alkyl group or hydroxyalkyl group in ^{R 25} are each 8 to 22, 10 to 18 carbon atoms are preferred. R ²⁵ is preferably an alkyl group, more preferably a linear or branched alkyl group, and still more preferably a linear alkyl group.
The number of carbon atoms in the alkyl group or hydroxyalkyl group in R ²⁶ are each 8 to 22, 10 to 18 carbon atoms are preferred. R ²⁶ is particularly preferably a methyl group or a tolyl group.
m + n is 2 or more, and 2-30 is preferable because the antibacterial effect is more easily exhibited in the article to be washed.
In the formula _{(c-1-2), Z 2} - The Z ₂ constituting the halogen ions in, fluorine atom, chlorine atom, bromine atom, and an iodine atom, from the viewpoint of versatility, a chlorine atom preferable. Z ₂ ^- The Z ₂ constituting the alkyl sulfate ions in, preferably those having an alkyl group having 1 to 3 carbon atoms, such as methyl sulfate.
For blending the component (C-1-2), for example, commercially available products such as Esocard C / 12 (trade name, manufactured by Lion Akzo Co., Ltd.) are used.

［式中、Ｒ^２７及びＲ^２８は、それぞれ独立して炭素数１〜３のアルキル基又は炭素数１〜３のヒドロキシアルキル基である。Ｒ^２９は、炭素数８〜２２の直鎖状もしくは分岐鎖状のアルキル基、又は炭素数８〜２２の直鎖状もしくは分岐鎖状のアルケニル基である。Ｒ^３０は、炭素数１〜３のアルキレン基である。Ｚ_３ ⁻は、ハロゲンイオン又はアルキル硫酸イオンである。］

[Wherein, R ²⁷ and R ²⁸ are each independently an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms. R ²⁹ is a linear or branched alkyl group having 8 to 22 carbon atoms, or a linear or branched alkenyl group having 8 to 22 carbon atoms. R ³⁰ is an alkylene group having 1 to 3 carbon atoms. Z ₃ ⁻ is a halogen ion or an alkyl sulfate ion. ]

In the formula ^(c-1-3), the number of carbon atoms in the alkyl or alkenyl group for ^{R 29} is from 8 to 22, preferably 10 to 18 carbon atoms, 10 to 16 carbon atoms, more preferably, 12 carbon atoms ~ 14 is more preferred.
In the formula _{(c-1-3), Z 3} - The Z ₃ constituting the halogen ions in, fluorine atom, chlorine atom, bromine atom, and an iodine atom, from the viewpoint of versatility, a chlorine atom preferable. Z ₃ ^- The Z ₃ constituting the alkyl sulfate ions in, preferably those having an alkyl group having 1 to 3 carbon atoms, such as methyl sulfate.
Examples of the component (C-1-3) include coconut alkyldimethylbenzylammonium chloride. (C-1-3) For example, Arcard CB (trade name, manufactured by Lion Akzo Co., Ltd.), Hiamine 3500-J (trade name, manufactured by Lonza Japan Co., Ltd.), Osban S (trade name, Commercial products such as Nippon Pharmaceutical Co., Ltd. are used.

［式中、Ｒ^２０は、炭素数８〜２２のアルキル基である。Ｚ_４ ⁻は、ハロゲンイオン又はアルキル硫酸イオンである。］

[Wherein, R ²⁰ represents an alkyl group having 8 to 22 carbon atoms. Z ₄ ⁻ is a halogen ion or an alkyl sulfate ion. ]

In the formula ^(c-1-4), the carbon number of the alkyl group in ^{R 20} is from 8 to 22, preferably 10 to 18 carbon atoms, 12 to 16 carbon atoms is more preferred. R ²⁰ is preferably a linear or branched alkyl group, and more preferably a linear alkyl group.
In the formula _{(c-1-4), Z 4} - The Z ₄ constituting the halogen ions in, fluorine atom, chlorine atom, bromine atom, and an iodine atom, from the viewpoint of versatility, a chlorine atom preferable. Z ₄ ^- The Z ₄ constituting the alkyl sulfate ions in, preferably those having an alkyl group having 1 to 3 carbon atoms, such as methyl sulfate.
Examples of the component (C-1-4) include cetylpyridinium chloride. For blending cetylpyridinium chloride, for example, a commercially available product such as Wako Pure Chemical Industries, Ltd. is used.

<< (C-2) component: amine compound >>
Examples of the component (C-2) include amine compounds represented by the following general formula (c-2).

［式中、ｓは１〜６の整数である。Ｒ^３１は、炭素数８〜１８のアルキル基又は炭素数８〜１８のヒドロキシアルキル基である。Ｒ^３２は、水素原子又は（ＣＨ_２）_ｔＮＨ_２である。ｔは、１〜６の整数である。］

[Wherein, s is an integer of 1 to 6. R ³¹ is an alkyl group having 8 to 18 carbon atoms or a hydroxyalkyl group having 8 to 18 carbon atoms. R ³² is a hydrogen atom or (CH ₂ ) _t NH ₂ . t is an integer of 1-6. ]

In the formula (c-2), s is an integer of 1 to 6, and since an antibacterial effect is more easily exhibited in the article to be washed, it is preferably an integer of 1 to 4, and an integer of 2 to 4 Is more preferable, and 3 is particularly preferable. When s exceeds 6, it is difficult to obtain a sufficient antibacterial effect.
The number of carbon atoms in the alkyl group or hydroxyalkyl group in R ³¹ is from 8 to 18, preferably 8 to 14 carbon atoms, more preferably from 10 to 14 carbon atoms, 12 carbon atoms are more preferred. If the number of carbons in R ³¹ is less than the lower limit value of the preferred range, sufficient antibacterial effect is difficult to obtain, and if the upper limit value of the preferred range is exceeded, the solubility of the component (C-2) in water is reduced. It tends to decrease.
The alkyl group or hydroxyalkyl group for R ³¹ may be linear or branched, and is preferably linear. If R ³¹ is a linear, antimicrobial effect of the liquid cleaning agent is further enhanced.

  Preferred (C-2) component is a tertiary amine compound ((C-2-1) component) represented by the following general formula (c-2-1), and the following general formula (c-2-2): Secondary amine compounds (component (C-2-2)) represented.

［式中、ｓ１は、１〜４の整数である。Ｒ^３１１は、炭素数８〜１８のアルキル基又は炭素数８〜１８のヒドロキシアルキル基である。］

[In formula, s1 is an integer of 1-4. R ³¹¹ is an alkyl group having 8 to 18 carbon atoms or a hydroxyalkyl group having 8 to 18 carbon atoms. ]

In the formula (c-2-1), s1 is an integer of 1 to 4, and an antibacterial effect is more easily exhibited in the article to be washed. Therefore, an integer of 2 to 4 is preferable, and 3 is particularly preferable.
In the formula (c-2-1), R ³¹¹ is the same as R ³¹ in the formula (c-2).
As the component (C-2-1), N, N-bis (3-aminomethyl) octylamine, N, N-bis (3-aminomethyl) decylamine, N, N-bis (3-aminomethyl) dodecyl N, N-bis (3-aminomethyl) alkylamine such as amine; N, N-bis (3-aminoethyl) octylamine, N, N-bis (3-aminoethyl) decylamine, N, N-bis ( N, N-bis (3-aminoethyl) alkylamine such as 3-aminoethyl) dodecylamine; N, N-bis (3-aminopropyl) octylamine, N, N-bis (3-aminopropyl) decylamine, N, N-bis (3-aminopropyl) alkylamine such as N, N-bis (3-aminopropyl) dodecylamine; N, N-bis (3-aminobutyl) octylamine, N, N Bis (3-aminobutyl) decylamine, N, N-bis (3-aminobutyl) such as dodecylamine N, N-bis (3-aminobutyl) alkyl amine.
Among these, N, N-bis (3-aminopropyl) alkylamine is preferable, and N, N-bis (3-aminopropyl) dodecylamine is more preferable.

［式中、ｓ２は、１〜４の整数である。Ｒ^３１２は、炭素数８〜１４のアルキル基又は炭素数８〜１４のヒドロキシアルキル基である。］

[Wherein, s2 is an integer of 1 to 4. R ³¹² is an alkyl group having 8 to 14 carbon atoms or a hydroxyalkyl group having 8 to 14 carbon atoms. ]

In the formula (c-2-2), s2 is an integer of 1 to 4, and an antibacterial effect is more easily exhibited in the article to be washed. Therefore, an integer of 2 to 4 is preferable, and 3 is particularly preferable.
In the formula (c-2-2), the alkyl group or hydroxyalkyl group in R ³¹² may be linear or branched, and is preferably linear. If R ³¹² is linear, the antibacterial effect of the liquid detergent is further enhanced.
Examples of the component (C-2-2) include N-coconut alkyl-1,3-diaminopropane, N-tallow alkyl-1,3-diaminopropane, and N-cured tallow alkyl-1,3-diaminopropane. .
For blending N-coconut alkyl-1,3-diaminopropane, for example, a commercially available product such as Duomin CD (trade name, manufactured by Lion Akzo Co., Ltd.) is used.

<< (C-3) component: biguanide compound >>
Examples of the component (C-3) include biguanide compounds represented by the following general formula (c-3).

［式中、ｕ_１は、２〜１４の整数である。ＨＲ^３３は、有機酸又は無機酸である。ｕ_２は、ＨＲ^３３の個数を意味し、０〜５ｕ_１の整数である。］

Wherein, _{u 1} is an integer of 2 to 14. HR ³³ is an organic acid or an inorganic acid. u ₂ means the number of HR ³³ and is an integer from 0 to 5 u ₁ . ]

In the formula (c-3), _{u 1} is an integer of 2 to 14, preferably 10 to 14 integer, more preferably an integer of 11 to 13, 12 being particularly preferred.
In the formula (c-3), HR ³³ is an organic acid or an inorganic acid, preferably hydrochloric acid, gluconic acid, or acetic acid, and more preferably hydrochloric acid.
u ₂ is an integer of 0~5u _1. If u ₂ is 0, (C-3) component is polyhexamethylene biguanide. When u ₂ is not 0, the component (C-3) is a partial or full acid salt of polyhexamethylene biguanide. u ₂ is preferably an integer of 1～5U _1, more preferably an integer of 2～3U _1, more preferably an integer of _{u 1} ~2u 1, u 1 is particularly preferred.
Examples of the component (C-3) include poly (hexamethylene biguanide) hydrochloride. For blending poly (hexamethylene biguanide) hydrochloride, for example, Proxel IB (trade name, manufactured by Lonza Japan Ltd.); u ₁ and u _{2 in} formula (c-3) are both 12, and R ³³ is chlorine. Commercially available products such as atoms (where HR ³³ is hydrochloric acid) are used.

<< (C-4) component: polymer of diallyldialkylammonium >>
Examples of the component (C-4) include a polymer having a repeating unit of diallyldialkylammonium represented by the following general formula (c-4).

［式中、Ｒ^３４及びＲ^３５は、それぞれ独立して炭素数１〜３のアルキル基である。Ｚ_５ ⁻は、ハロゲンイオン又はアルキル硫酸イオンである。ｗは平均重合度を示す。］

[Wherein, R ³⁴ and R ³⁵ are each independently an alkyl group having 1 to 3 carbon atoms. Z ₅ ^- is a halogen ion or an alkylsulfate ion. w represents the average degree of polymerization. ]

In said formula (c-4), R ^<34> and R ^<35> are respectively independently a C1-C3 alkyl group, and a methyl group is preferable.
In the formula _{(c-4), Z 5} - The Z ₅ constituting the halogen ions in, fluorine atom, chlorine atom, bromine atom, and an iodine atom, from the viewpoint of versatility, a chlorine atom is preferable. Z ₅ ^- The Z ₅ constituting the alkyl sulfate ions in, preferably those having an alkyl group having 1 to 3 carbon atoms, such as methyl sulfate.
In the formula (c-4), w represents an average degree of polymerization, preferably about 6 to 6000, and more preferably about 60 to 1200.

The molecular weight of the component (C-4) is preferably from 1,000 to 1,000,000, more preferably from 10,000 to 200,000. When the molecular weight of the component (C-4) is within the above preferable range, a good antibacterial effect is easily obtained.
“Molecular weight” here means a weight average molecular weight, and a value measured by GPC (gel permeation chromatography) using THF (tetrahydrofuran) as a solvent is based on a calibration curve in PEG (polyethylene glycol). The converted value is shown.
(C-4) For the blending of component, for example, Marquat 100 (trade name, manufactured by Nalco); PAS-H-1L, PAS-H-5L, PAS-H-10L (above, trade name, Nittobo Co., Ltd.) Commercial products such as a company) are used.

<< (C-5) component: polylysine or its acid salt >>
As the component (C-5), any of α-poly-L-lysine, ε-poly-L-lysine, α-poly-D-lysine, and ε-poly-D-lysine can be used. Among these, from the viewpoint of safety, α-poly-L-lysine and ε-poly-L-lysine are preferable, and ε-poly-L-lysine is more preferable. Among these, from the viewpoint of safety, ε-poly-L-lysine represented by the following general formula (c-5) is particularly preferable.

［式中、ｒは５〜１００の整数である。］

[Wherein, r is an integer of 5 to 100. ]

  In said formula (c-5), r is an integer of 5-100, the integer of 10-50 is preferable and the integer of 13-27 is more preferable.

  ε-poly-L-lysine is a polypeptide obtained by culturing a microorganism belonging to the genus Streptomyces and condensing lysine, which is an essential amino acid for the human body. Since this polylysine is L-lysine which is the original component when hydrolyzed by an enzyme in the body or the like, it is very safe.

As the polylysine, any of a free form and a form of an acid salt of an inorganic acid or an organic acid can be used.
In the case of the acid salt form, preferred are hydrochloride, gluconate and acetate, and more preferred is hydrochloride.
In order to facilitate handling, polylysine processed with an excipient or a bulking agent may be used.

As the component (C), any one type may be used alone, or two or more types may be used in combination.
As the component (C), the effects of the present invention are easily obtained, so the component (C-1), the component (C-2), the component (C-3), the component (C-4), and the component (C-5). ) At least one selected from the group consisting of components is preferred. Among these, at least one selected from the group consisting of the component (C-1) and the component (C-3) is more preferable, and the component (C-3) is particularly preferable.
In the liquid cleaning agent, the content of the component (C) is preferably 0.001 to 2% by mass, more preferably 0.005 to 1% by mass, and 0.01 to 0% with respect to the total mass of the liquid cleaning agent. 0.5% by mass is more preferable, and 0.02 to 0.1% by mass is particularly preferable. When the content of the component (C) is not less than the lower limit of the above preferable range, the antibacterial effect is further enhanced in the article to be washed. On the other hand, when the content of the component (C) is not more than the upper limit value of the preferable range, the liquid stability of the liquid detergent is easily secured.

In the liquid cleaning agent of the present invention, the ratio of the content of the (C) component to the content of the (A) component is a mass ratio represented by (C) component / (A) component (hereinafter referred to as “(C) / ( A) ratio ”is preferably 0.003 to 0.6, more preferably 0.005 to 0.3, and still more preferably 0.005 to 0.1.
When the (C) / (A) ratio is not less than the lower limit of the above preferred range, the antibacterial effect is further enhanced in the article to be washed. On the other hand, when the (C) / (A) ratio is less than or equal to the upper limit of the preferable range, the liquid stability of the liquid detergent is easily secured.

In the liquid cleaning agent of the present invention, the ratio of the content of the (C) component to the content of the (B) component is the mass ratio represented by the (C) component / (B) component (hereinafter referred to as “(C) / ( B) ratio ”is preferably 0.001 to 0.5, more preferably 0.01 to 0.3, and even more preferably 0.05 to 0.2.
When the (C) / (B) ratio is not less than the lower limit of the above preferred range, the antibacterial effect is further enhanced in the article to be washed. On the other hand, when the (C) / (B) ratio is less than or equal to the upper limit of the preferable range, the liquid stability of the liquid detergent is easily secured.

<Solvent>
The liquid detergent of the present invention preferably contains water as a solvent from the viewpoint of ease of handling during production, solubility in water when used, and the like.
Although content of water in a liquid detergent is not specifically limited, 70 mass% or more is preferable with respect to the total mass of a liquid detergent, 80 mass% or more is more preferable, and 80-95 mass% is further more preferable.

<Optional component>
The liquid detergent of this invention may contain the component (arbitrary component) normally used for the liquid detergent other than said (A)-(C) component.
Examples of such optional components include surfactants other than the components (A) to (C), hydrogen peroxide, bleach activator, chelating agent, radical trap agent, hydrotrope agent, inorganic salts, boric acid compound, polyol. A compound, a fragrance | flavor, a pH adjuster etc. are mentioned.

≪Surfactant≫
Examples of surfactants other than the components (A) to (C) include nonionic surfactants (hereinafter sometimes referred to as “component (D)”), amphoteric surfactants, and the like.
In the liquid cleaning agent of this invention, since the cleaning power and liquid stability of a liquid cleaning agent improve more, it is preferable to contain (D) component further.
The number of carbon atoms of the hydrophobic part (long-chain hydrocarbon group) in the component (D) is preferably 8 to 22 and more preferably 10 to 18 because the blending effect of the component (D) is easily exhibited. More preferably, it is 10-16, Most preferably, it is 12-14.
As the component (D), for example, a polyoxyalkylene type nonionic surfactant obtained by adding an alkylene oxide to a higher alcohol, alkylphenol, higher fatty acid, higher fatty acid alkyl ester or higher amine, etc .; polyoxyethylene polyoxypropylene block copolymer; fatty acid alkanol Examples include amines; fatty acid alkanolamides; polyhydric alcohol fatty acid esters or alkylene oxide adducts thereof; alkylene oxide adducts of hydrogenated castor oil; sugar fatty acid esters; N-alkyl polyhydroxy fatty acid amides;
As the component (D), any one type may be used alone, or two or more types may be used in combination. Among these, as the component (D), a polyoxyalkylene type nonionic surfactant is preferable, and a polyoxyalkylene type nonionic surfactant obtained by adding an alkylene oxide to a higher alcohol is more preferable.
When the liquid detergent of the present invention contains a nonionic surfactant, the content of the component (D) in the liquid detergent is preferably more than 0 mass% and not more than 15 mass% with respect to the total mass of the liquid detergent. 0.5-12 mass% is more preferable, and 1-10 mass% is further more preferable. When the content of the component (D) is not more than the above preferable upper limit value, the effect of the present invention is likely to appear remarkably. On the other hand, when the content of the component (D) is equal to or more than the preferable lower limit, the detergency and liquid stability are further improved.

  Amphoteric surfactants include alkylbetaine type, alkylamide betaine type, imidazoline type, alkylaminosulfonic acid type, alkylaminocarboxylic acid type, alkylamidecarboxylic acid type, amide amino acid type or phosphoric acid type. Is mentioned.

In the liquid detergent of the present invention, the total content of the surfactant is preferably 25% by mass or less, more preferably 20% by mass or less, with respect to the total mass of the liquid detergent, The lower limit is more preferably 6% by mass or more.
Even if this liquid cleaning agent has said (A) component, (B) component, and (C) component together, even if it is a case where the total content of surfactant shall be below the said preferable upper limit. Both good antibacterial effect and cleaning effect can be obtained.

When the liquid detergent of this invention contains (D) component, 40-80 mass% is preferable, and, as for the ratio of content of (D) component with respect to the total content of surfactant in liquid detergent, 50 -75 mass% is more preferable, and 60-70 mass% is further more preferable.
When the ratio of the content of the component (D) to the total content of the surfactant is within the above preferable range, the detergency against dirt attached to the article to be cleaned is further improved. In addition, the liquid stability is further improved.

≪Hydrogen peroxide≫
The liquid cleaning agent of the present invention may contain hydrogen peroxide. A bleaching effect is exhibited because the liquid detergent contains hydrogen peroxide.
When the liquid cleaning agent of the present invention contains hydrogen peroxide, the content of hydrogen peroxide in the liquid cleaning agent is preferably 0.1 to 10% by mass with respect to the total mass of the liquid cleaning agent. 5-6 mass% is more preferable, and 1-6 mass% is further more preferable. When the content of hydrogen peroxide is at least the lower limit of the above preferred range, a good bleaching effect can be easily obtained. When the content of hydrogen peroxide is not more than the upper limit of the above preferred range, the liquid stability of the liquid detergent is further improved.

  Examples of the pH adjuster include hydrochloric acid, sulfuric acid, phosphoric acid, sodium hydroxide, potassium hydroxide, monoethanolamine, diethanolamine, triethanolamine, and ammonia.

The pH at 25 ° C. of the liquid detergent of the present invention is preferably 8 or less, more preferably 4 to 7, and even more preferably 5 to 6.
When the pH of the liquid detergent is not more than the upper limit of the above preferred range, the effect of the present invention can be more easily obtained. In addition, a liquid detergent having an appropriate viscosity is easily prepared. On the other hand, when the pH of the liquid detergent is equal to or higher than the lower limit of the above preferred range, liquid stability is easily secured.
In addition, pH at 25 degreeC of the liquid cleaning agent in this invention shows the value measured by adjusting a sample to 25 degreeC and using a pH meter etc.

The liquid detergent of the present invention has a viscosity at 25 ° C. of preferably about 10 to 300 mPa · s, and more preferably about 25 to 300 mPa · s.
If the viscosity of the liquid detergent is within the above preferred range, the liquid detergent can be easily measured with a measuring cap or the like. Further, when the liquid cleaning agent is directly applied to the object to be cleaned, the liquid cleaning agent can be easily applied to the object to be cleaned.
The viscosity at 25 ° C. of the liquid cleaning agent in the present invention is a value measured using a B-type viscometer (manufactured by TOKIMEC) after adjusting the sample to 25 ° C. (an example of measurement conditions: rotor No. 2. Measure the viscosity after 10 revolutions at 30 rpm.

  The liquid cleaning agent of the present invention, for example, dissolves the above-mentioned component (A), component (B), component (C) and optional components as required in water as a solvent, and uses a pH adjuster. It can manufacture by adjusting to predetermined | prescribed pH.

  The liquid cleaning agent of this invention can be accommodated in the container generally used. Such containers include, for example, nozzle-type containers or inner-plug-type containers with measuring caps, squeeze containers or pump containers with automatic measuring mechanisms or simple measuring mechanisms, trigger containers or squeeze for spraying liquids or applying them in the form of bubbles. Examples include containers, application containers having an application surface for applying liquid, and refill containers (pouches, thin bottles, replacement bottles, etc.).

The method of using the liquid cleaning agent of the present invention includes, for example, a method in which the liquid cleaning agent is poured into water together with the object to be cleaned at the time of washing, and a cleaning agent aqueous solution prepared by dissolving the liquid cleaning agent in water in advance. The method of immersing a thing etc. is mentioned. Alternatively, the liquid cleaning agent may be applied directly to the article to be washed and left for a certain period of time, and then normal washing may be performed (application cleaning). The liquid cleaning agent of the present invention exhibits a high cleaning power and exhibits a good cleaning effect in the application cleaning described above. Such a liquid detergent exhibits a high detergency particularly against solid fat stains.
Although it does not specifically limit as a to-be-washed object which is a washing | cleaning object of the liquid cleaning agent of this invention, For example, clothing, a fabric, a curtain, a sheet | seat etc. are mentioned.

  As described above, the liquid detergent for textile products of the present invention comprises (A) component: anionic surfactant, (B) component: semipolar surfactant, and (C) component: cationic antibacterial agent. Therefore, the cleaning power can be improved. In addition, an excellent antibacterial effect is exhibited in the textile product after washing.

Hereinafter, the present invention will be described in more detail using examples, but the present invention is not limited to these examples. In this example, “%” indicates “% by mass” unless otherwise specified.
The raw materials used in this example are as follows.

<(A) component: anionic surfactant>
A-1: Linear alkyl (10 to 14 carbon atoms) sodium benzenesulfonate, manufactured by Lion Corporation, trade name “Lypon LS250”.
A-2: Sodium secondary alkane sulfonate, manufactured by Clariant Japan KK, trade name “SAS30”.
A-3: α-olefin sulfonic acid sodium salt, manufactured by Lion Corporation, trade name “Lipolane LB-840”.
A-4: Sodium polyoxyethylene alkyl ether sulfate (average addition mole number of ethylene oxide 1), manufactured by Shin Nippon Chemical Co., Ltd., trade name “Sinoline 1150”.
A-5: Sodium coconut fatty acid. Coconut fatty acid (manufactured by NOF Corporation, trade name “coconut fatty acid”) is neutralized with sodium hydroxide.

<(B) component: Semipolar surfactant>
B-1: Amidopropyldimethylamine oxide laurate, manufactured by Clariant, trade name “GENAMINOX AP”; R ⁸ in formula (b1-2) = a linear alkyl group having 11 carbon atoms, R ⁹ = methyl group, R ¹⁰ = methyl group, q = 3.
B-2: n-dodecyldimethylamine oxide, manufactured by Lion Akzo Co., Ltd., trade name “Aromox DM12D-W”; R ⁵ in the general formula (b1-1) = a linear alkyl group having 12 carbon atoms, R ⁶ = Methyl group, R ⁷ = methyl group.

<(B ′) Component: Comparative Component of (B) Component>
B′-1: lauryldimethylaminoacetic acid betaine, manufactured by Daiichi Kogyo Seiyaku Co., Ltd., trade name “Amigen S”.

<(C) component: cationic antibacterial agent>
C-1: Polyhexamethylene biguanide, manufactured by Lonza Japan KK, trade name “Proxel IB”; u ₁ = u ₂ = 12 in general formula (c-3), and R ³³ is a chlorine atom.
C-2: Dodecyltrimethylammonium chloride, manufactured by Lion Specialty Chemicals Co., Ltd., trade name “Arcade 12-37W”; R ²¹ in the general formula (c-1-1) = a linear alkyl group having 12 carbon atoms, R ²² = methyl group, R ²³ = methyl group, R ²⁴ = methyl group, Z ₁ ⁻ = chlorine ion.
C-3: Tetradecyltrimethylammonium chloride, manufactured by Tokyo Chemical Industry Co., Ltd .; R ²¹ in the general formula (c-1-1) = a linear alkyl group having 14 carbon atoms, R ²² = methyl group, R ²³ = Methyl group, R ²⁴ = methyl group, Z ₁ ⁻ = chlorine ion.

<Optional component>
-Hydrogen peroxide, 35% industrial hydrogen peroxide, manufactured by Mitsubishi Gas Chemical Co., Ltd.
Nonionic surfactant: a mixture of alcohol having 12 carbon atoms (C12OH) and alcohol having 14 carbon atoms (C14OH) (mass ratio C12OH / C14OH = 75/25) with an average of 6 moles of ethylene oxide added, Product name “Leox CL-60” manufactured by Lion Corporation.
PH adjuster: sulfuric acid (manufactured by Toho Zinc Co., Ltd.), sodium hydroxide (manufactured by Tsurumi Soda Co., Ltd.).

  Solvent: purified water.

[Manufacture of liquid detergents for textile products]
Tables 1 and 2 show the compositions (formulation components, content (mass%)) of the liquid cleaning agents in each example.
In the table, when there is a blank blending component, the blending component is not blended.
In the table, the content of the compounding component indicates a pure equivalent amount.
The “appropriate amount” indicating the content of the pH adjusting agent is the total pH adjusting agent (sulfuric acid or sodium hydroxide) added to adjust the pH (25 ° C.) of the liquid cleaning agent to the pH value in the table. The amount added is shown.
“Balance” indicating the content of purified water means the balance added so that the total amount (mass%) of all the ingredients contained in the liquid detergent is 100 mass%.

“A-1 / (A) component” means the ratio of the content (mass%) of A-1 to the content (mass%) of the component (A) contained in the liquid detergent.
“(B) component / (A) component” means the ratio of the content (% by mass) of the (B) component to the content (% by mass) of the (A) component contained in the liquid detergent.
“(C) component / (A) component” means the ratio of the content (mass%) of the component (C) to the content (mass%) of the component (A) contained in the liquid detergent.
“(C) component / (B) component” means the ratio of the content (% by mass) of the (C) component to the content (% by mass) of the (B) component contained in the liquid detergent.

(Examples 1 to 21)
According to the composition shown in Tables 1-2, the component (A) and optional components (excluding the pH adjusting agent) were added to purified water and mixed, and the pH adjusting agent was added thereto to adjust the pH to 5. A mixture was obtained. Subsequently, (B) component and (C) component were added and mixed with this mixture, and a pH adjuster was added here, and it adjusted to pH value in a table | surface, and manufactured the liquid cleaning agent of each case, respectively. .

(Comparative Examples 1, 3, 4)
According to the composition shown in Table 2, the liquid detergents of Comparative Examples 1, 3, and 4 were the same as the above examples except that any one of the components (A) to (C) was not added to purified water. Were manufactured respectively.

(Comparative Example 2)
According to the composition shown in Table 2, a liquid cleaning agent of Comparative Example 2 was produced in the same manner as in the above Example, except that the component (B) was changed to the component (B ′).

  About the liquid detergent of each example, the detergency and the antibacterial effect were evaluated as follows. The evaluation results are shown in Tables 1-2.

[Evaluation of cleaning power]
(1) Production of oil-stained dirt cloth A beef tallow solution was prepared by diluting beef tallow 5 times with chloroform.
0.030 mL of 0.01% by weight of oil red added to the beef tallow solution is dropped on a polyester tropical cloth (Tanigami Shoten) cut to 5 cm x 5 cm and air-dried at room temperature for 2 to 3 hours. A dirty dirt cloth was used.
(2) Cleaning test 0.12 mL of the same liquid cleaning agent was applied to each of the five oil-stained and soiled cloths and allowed to stand for 5 minutes.
Subsequently, 5 pieces of oil-stained soil cloth were put into a Terg-O-Tometer (manufactured by UNITED STATES TESTING) containing 900 mL of tap water at 15 ° C., and washed at 120 rpm for 10 minutes (bath ratio 20 times).
Thereafter, 5 sheets of oily soiled cloth after washing are taken out, and the oily soiled dirt cloth is rinsed with running water for 3 minutes with a 2-tank washing machine (CW-C30A1 type, manufactured by Mitsubishi Electric Corporation). Next, after dehydration for 1 minute, it was air-dried.
(3) Evaluation of detergency Using a colorimetric color difference meter (manufactured by Nippon Denshoku Co., Ltd., trade name SE2000), a raw cloth before adhering to dirt (polyester tropical cloth) and an oil-stained dirt cloth before and after the washing test The Z value was measured, and the cleaning rate was calculated from the following formula. The larger the value of the cleaning rate, the higher the coating cleaning power.
Washing rate (%) = (Z value of the oily soiled cloth after washing−Z value of the oily soiled cloth before washing) / (Z value of the raw soiled dirt cloth−Z value of the oily soiled dirt cloth before washing) ) × 100
Then, the cleaning power was evaluated according to the following evaluation criteria using the average value of the cleaning rate calculated for the five oil-stained and dirty cloths as an index.
Evaluation criteria A: The average value of the cleaning rate exceeds 30%.
○: The average value of the cleaning rate is 20% or more and less than 30%.
Δ: The average value of the cleaning rate is 10% or more and less than 20%.
X: The average value of the cleaning rate is less than 10%.

[Evaluation of antibacterial effect]
In a fully automatic washing machine in which water is stored (manufactured by Haier, JW-Z23A; set to 12 L of water), 8.0 g of detergent (manufactured by Lion Co., Ltd., trade name Top Clear Liquid), and liquid detergent 8 in each example. A cotton shirt (manufactured by BVD, 100% cotton) was added to 0 g and a bath ratio of 30 times, and washed with a standard course. After repeating the washing by the standard course 5 times, a cotton shirt dried at room temperature on a clean bench for 24 hours was used as a test cloth.

About the said test cloth, the bacteriostatic activity value was calculated | required by the following Formula (i) according to the quantitative test method (bacterial liquid absorption method) of JISL1902 (the antibacterial test method and antibacterial effect of textiles).
Bacteriostatic activity value = (Mb−Ma) − (Md−Mc) (i)
Ma: Average value of common logarithmic values of the number of viable bacteria of three specimens of the standard cloth immediately after inoculation with the test bacteria.
Mb: Average value of common logarithmic values of the number of viable bacteria of three specimens after culturing at 35 ° C. for 18 hours of the standard cloth after inoculation with the test bacteria.
Mc: Average value of the common logarithm of the number of viable bacteria of three specimens of the test cloth immediately after inoculation with the test bacteria.
Md: Average value of common logarithm values of the number of viable bacteria of three specimens after 18 hours of culturing the test cloth after inoculation of the test bacteria.
Standard cloth: Cotton shirt (BVD, 100% cotton).
Test bacteria: Staphylococcus aureus.
And the antibacterial effect was evaluated according to the following evaluation criteria, using the bacteriostatic activity value obtained by the formula (i) as an index.
Evaluation criteria A: Bacteriostatic activity value is 3.0 or more.
○: Bacteriostatic activity value is 1.5 or more and less than 3.0.
(Triangle | delta): Bacteriostatic activity value is 0.5 or more and less than 1.5.
X: Bacteriostatic activity value is less than 0.5.

  From the results shown in Tables 1 and 2, the liquid detergents of Examples 1 to 21 to which the present invention is applied have improved cleaning power as compared with the liquid detergents of Comparative Examples 1 to 4 that are outside the scope of the present invention. It was confirmed that the antibacterial effect was excellent.

Claims (5)

(A) component: an anionic surfactant;
(B) component: a semipolar surfactant,
(C) component: a cationic antibacterial agent,
A liquid detergent for textiles, characterized by comprising   (B) Content of a component is 0.1-8 mass%, The liquid cleaning agent for textiles of Claim 1 characterized by the above-mentioned.   The mass ratio represented by (B) component / (A) component is 0.1-3, The liquid cleaning agent for textiles of Claim 1 or Claim 2 characterized by the above-mentioned.   The liquid detergent for textiles according to any one of claims 1 to 3, wherein the total content of the surfactant is 25% by mass or less.   The liquid detergent for textiles according to any one of claims 1 to 4, wherein the pH is 8 or less.