JP2009091469A - Liquid sterilizing detergent composition - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid sterilizing detergent composition which stably exhibits sterilizing effect and cleaning effect on clothes or the like worn by those who need care which are soiled by excrement and does not easily resoil the clothes or the like. <P>SOLUTION: The detergent composition is used for sterilization and cleansing of fiber goods. The liquid sterilizing detergent composition comprises the following components (A) to (C) as essential ingredients: (A) 2-10 mass% of a specific dialkyldimethylammonium salt; (B) 1-30 mass% of an alkali chemical; and (C) 1-30 mass% of a chelating agent. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a liquid disinfectant cleaning composition suitable for disinfecting and cleaning textiles, particularly clothes worn by newborns and elderly people requiring nursing care.

  Nursing clothes such as diapers and pants worn by those who need nursing care, and diapers such as diapers of newborns are contaminated with excrement such as urine and feces, and bacteria contained in the excrement By breeding inside clothing, it forms extremely unsanitary dirt. For such stains, normal liquid detergents intended for sebum stains, mud stains, etc. cannot be sufficiently sterilized and washed. Has been developed.

  For example, by blending (a) a surfactant, (b) ethanolamine, (c) a chelating agent, and (d) a water-soluble carbonate at a specific ratio, Disclosed is a liquid detergent composition intended to improve the cleaning effect of both stubborn stains derived from stool and food stains such as oil and fat, protein stains, sebum stains, dirt such as mud stains, etc. (See Patent Document 1).

  In addition, (A) a surfactant obtained by mixing one or more of an anionic surfactant, an amphoteric surfactant and a nonionic surfactant, and (B) one or more specific aminopolycarboxylic acids and salts thereof Improve the cleaning effect against dirt peculiar to underwear (bilirubin dirt) by blending two or more kinds of chelating agents and (C) alkaline agents commonly used in conventional detergents at a specific ratio Has been disclosed (see Patent Document 2).

In addition, sterilization and softening agent composition that can be used as a sterilizing and softening treatment for textile products such as squeezes, towels, diapers, sheets, yukata and pajamas, and nightwear and underwear, and paper, etc. In addition, a composition containing polyaminomonocarboxylic acid, benzalkonium chloride and a silicone-based texture improver as main components is disclosed (see Patent Document 3).
Japanese Patent Laid-Open No. 11-5997 Japanese Patent Laid-Open No. 63-6097 Japanese Patent No. 2506125

  However, Patent Documents 1 and 2 do not have a viewpoint of sterilizing bacteria contained in excrement, and the problem that bacteria are agitated in a washing machine during washing to recontaminate clothing and the like is solved. Therefore, there is a problem that the sterilizing power against the bacteria in the excrement is not sufficient.

  On the other hand, since the composition of Patent Document 3 contains borax having a bactericidal property, polyaminomonocarboxylic acid and benzalkonium chloride, the composition has a bactericidal power. And benzalkonium chloride are easily adsorbed on the fiber, and the sterilizing power against bacteria dispersed in the washing liquid is reduced, and the problem that the bacteria remaining in the washing liquid recontaminate clothing, etc. is still solved. It has not been.

  The present invention has been made in view of such circumstances, and stably exhibits excellent sterilization effect and cleaning effect against dirt due to excrement such as clothing worn by those who need care, It is an object of the present invention to provide a liquid sanitizing detergent composition that hardly recontaminates clothing and the like.

（Ｂ）アルカリ剤 １〜３０質量％。
（Ｃ）キレート剤 １〜３０質量％。 In order to achieve the above object, the present invention is a cleaning composition used for sterilization and washing of textiles, and includes liquid sterilization washing containing the following components (A) to (C) as essential components: The agent composition is the first gist.
(A) 2 to 10% by mass of a dialkyldimethylammonium salt represented by the following general formula (1).

(B) Alkali agent 1-30 mass%.
(C) Chelating agent 1-30 mass%.

  In addition, the present invention includes a liquid disinfectant cleaning composition containing 1 to 40% by mass of a nonionic surfactant as the component (D), in particular, with the components (A) to (C). This is the second gist.

  Furthermore, the present invention has a liquid sanitizing detergent composition in which the component (A) is a dioctyldimethylammonium salt as a third gist, and the component (B) is monoethanolamine. A liquid sanitizing detergent composition that is at least one selected from the group consisting of diethanolamine and triethanolamine is a fourth gist.

  In the present invention, among these, in particular, the component (C) contains citric acid, gluconic acid, succinic acid, tripolyphosphoric acid, hydroxyethylethylenediaminetriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, nitrilotriacetic acid, It is at least one selected from the group consisting of ethylenetetraminehexaacetic acid, phosphonic acids, L-glutamic acid diacetic acid, methylglycine diacetic acid, acrylic acid polymers, copolymers of acrylic acid and maleic acid, and alkali metal salts thereof. The liquid sanitizing detergent composition is a fifth aspect.

  That is, as a result of intensive research to solve the previous problem, the present inventors have combined undiluted soil formed by excrement by combining a specific dialkyldimethylammonium salt with an alkali agent and a chelating agent. On the other hand, it has been found that a liquid sanitizing detergent composition can be obtained that exhibits sufficient sanitizing power and detergency without being affected by fibers and hardly causes recontamination to textiles such as clothing. Reached.

  The liquid disinfectant cleaning composition of the present invention exhibits excellent disinfecting and cleaning effects against unsanitary soil formed by urine and feces, and recontamination of soiling on textiles such as clothing. Has the advantage of less. Therefore, diapers, nursing clothes such as pants, newborn clothes, squeezers, towels, sheets, and other textiles worn by persons in need of nursing care are sanitized and cleaned with a single wash. Can be finished.

  Next, the best mode for carrying out the present invention will be described in detail.

  The liquid sanitizing detergent composition of the present invention (hereinafter referred to as “the present composition”) comprises a specific dialkyldimethylammonium salt (component A), an alkali agent (component B), and a chelating agent (component C). Is contained as an essential component.

  As the dialkyldimethylammonium salt of the component (A), a dialkyldimethylammonium salt represented by the following general formula (1) is used. This is not affected by the material of the textiles to be cleaned (cotton, polyester, nylon, etc.) and is hardly adsorbed to any fibers during washing, so the surface to be cleaned of textiles This contributes to the disinfection action against bacteria adhering to the fiber, and further contributes to an effect that results in less recontamination of the textile.

Among the dialkyldimethylammonium salts, particularly, R ^{1 in the} general formula (1) is a hexyl, heptyl, octyl, hexenyl, heptenyl or octenyl group, and R ² is hexyl, heptyl, octyl, nonyl. , Decyl, hexenyl, heptenyl, octenyl, nonenyl or decenyl groups. More preferably, R ¹ is an octyl group and R ² is an octyl or decyl group.

Further, X in the above general formula (1) ^{- is, Cl -, I -, Br} - or is a halogen ion such _{^{as, HSO 4 -, NO 3 -}} , H 2 PO 4 - are such inorganic acids counterion Or an organic acid counter ion such as CH ₃ OSO ₃ ⁻ , C ₂ H ₅ SO ₃ ⁻ , CH ₃ CO ₂ ⁻ , CH ₃ C ₆ H ₄ SO ₃ ⁻ or CH ₃ SO ₃ ^— But in particular, Cl ^- is preferably.

  Specific examples of such component (A) include dioctyldimethylammonium chloride and decyloctylammonium chloride. You may use these individually or in combination of 2 or more types. In addition, it is preferable to use dioctyl dimethyl ammonium chloride from the point of availability.

  And the compounding quantity of the said (A) component must be set in the range of 2-10 mass% with respect to this composition whole. That is, if the amount is less than 2% by mass, the sterilization effect is poor, whereas if it exceeds 10% by mass, a large amount of cationic surfactant will entrench the soil and increase the recontamination of the textile. is there. Among the above ranges, it is particularly preferable to set the amount within the range of 4 to 8% by mass from the viewpoint of sterilization and prevention of soil recontamination.

  Moreover, the alkaline agent of the component (B) used in the present invention contributes to an improvement in sterilizing action against bacteria adhering to the surface to be cleaned of fibers and a cleaning effect on textiles. Examples of the component (B) include ethanolamines such as monoethanolamine, diethanolamine, and triethanolamine. You may use these individually or in combination of 2 or more types.

  The compounding quantity of the said (B) component must be set in the range of 1-30 mass% with respect to this composition whole. That is, when the blending amount is less than 1% by mass, the effect of improving the sterilization effect and the cleaning effect is poor, and when it exceeds 30% by mass, the sterilization effect and the cleaning effect become saturated, which is economically disadvantageous. Among the above ranges, it is particularly preferable to set the content in the range of 5 to 15% by mass from the viewpoint of improving the sterilizing effect, cleaning effect, and economical efficiency.

  Furthermore, the chelating agent of the component (C) used in the present invention contributes to an improvement in sterilizing effect against bacteria and a cleaning effect on textiles. Examples of the component (C) include citric acid, gluconic acid, succinic acid, tripolyphosphoric acid, hydroxyethylethylenediaminetriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, nitrilotriacetic acid, triethylenetetraminehexaacetic acid, phosphonic acids, and L-glutamic acid diacid. Examples thereof include acetic acid, methylglycine diacetic acid, acrylic acid polymer, a copolymer of acrylic acid and maleic acid, and an alkali metal salt thereof. You may use these individually or in combination of 2 or more types.

  The compounding quantity of the said (C) component must be set in the range of 1-30 mass% with respect to this composition whole. That is, when the blending amount is less than 1% by mass, the sterilization effect and the improvement effect of the cleaning effect are poor, and when it exceeds 30% by mass, the sterilization effect and the cleaning effect become saturated, which is economically disadvantageous. Among the above ranges, it is particularly preferable to set the amount within the range of 10 to 20% by mass from the viewpoint of improving the sterilizing effect, cleaning effect, and economical efficiency.

  The liquid disinfecting detergent composition containing the above components (A) to (C) as essential components exhibits excellent disinfecting and cleaning effects against unsanitary dirt formed by urine and feces, In addition, there is an advantage that there is little recontamination of dirt on textiles such as clothing. Therefore, diapers, nursing clothes such as pants, newborn clothes, squeezers, towels, sheets, and other textiles worn by persons in need of nursing care are sanitized and cleaned with a single wash. Can be finished.

  In addition, when a nonionic surfactant is used as the component (D) together with the components (A) to (C) in the present composition, it is preferable that a further excellent effect can be obtained. The nonionic surfactant mainly contributes to the improvement of the cleaning effect. As the nonionic surfactant, for example, a linear or branched chain having 8 to 22 carbon atoms, preferably 12 to 18 carbon atoms is used. Polyoxyethylene alkyl ether, polyoxyethylene alkenyl ether, polyoxyethylene alkylenephenyl having an average addition mole number of ethylene oxide of 5 to 20, preferably 6 to 15 with respect to the primary or secondary alcohol Examples include ethers, polyoxyethylene polyoxypropylene alkyl ethers, polyoxyethylene polyoxypropylene alkenyl ethers, polyoxyalkylene glycol fatty acid esters, alkylamine echine oxide adducts, and the like. You may use these individually or in combination of 2 or more types.

  When using the said (D) component, it is preferable to set the compounding quantity in the range of 1-40 mass% with respect to this composition whole. That is, when the blending amount is less than 1% by mass, the effect of improving the cleaning effect on the fiber product is poor, and when it exceeds 40% by mass, the cleaning effect becomes saturated and may be economically disadvantageous. In addition, among the said range, it is especially suitable to set to the range of 10-30 mass% from the point of the improvement of disinfection effect, a cleaning effect, and economical efficiency especially.

  In addition, the composition includes, as an optional component, a solvent such as propylene glycol and ethyl alcohol, a pH adjuster, a viscosity adjuster, an enzyme, an enzyme stabilizer, and a fluorescent brightening agent as long as the effects of the present invention are not hindered. , Dyes, fragrances, deodorants, metal corrosion inhibitors and the like can be blended. In addition, even if the said solvent is added and contained in (A)-(D) component as a stabilizer, solubilizer, etc. of said (A)-(D) component, it is arbitrarily added separately. It may be done.

  In addition, this composition is normally prepared as a liquid composition by adding an arbitrary component and water with respect to said (A)-(C) component or (A)-(D) component.

  Examples of the water include tap water, soft water, ion exchange water, pure water, purified water, and the like. Preferably, soft water, ion exchange water, and pure water are used. These may be used alone or in combination of two or more. And the remaining mass% is mix | blended with the said water as a balance so that the whole this composition may be 100 mass%.

  Hereinafter, examples of the present invention will be described in detail together with comparative examples. The present invention is not limited to these examples.

[Examples 1 to 24, Comparative Examples 1 to 12]
Liquid sterilization detergent compositions (hereinafter referred to as test compositions) having the compositions described in Tables 1 to 8 were prepared, and for each test item of the sterilization power, cleaning power, and soil recontamination prevention property, The test was conducted by the following method and evaluated. The result is combined with the said Table 1-Table 8, and is shown. In addition, the detail of each component in a table | surface is as follows, and the numerical value which shows the composition in a table | surface is shown by the effective content (mass%, pure part conversion) of each component.

(A) Component * Dialkyldimethylammonium salt 1
: Dioctyldimethylammonium chloride (manufactured by Lonza Japan / Berduc LF 80)
* Dialkyldimethylammonium salt 2
: Didecyldimethylammonium chloride (Lonza Japan, Inc./Birdac 2280)

(B) component * alkaline agent 1
: Monoethanolamine (Nippon Shokubai Co., Ltd./monoethanolamine 90)
* Alkaline agent 2
: Diethanolamine (Nippon Shokubai Co., Ltd./diethanolamine 80)

(C) component * chelating agent 1
: Nitrilotriacetic acid trisodium (manufactured by BASF / Trilon A92R)
* Chelating agent 2
: Ethylenediaminetetraacetic acid, 4 sodium (manufactured by BASF / Trilon B)

Component (D) * Nonionic surfactant 1
: Polyoxyethylene alkyl ether, C13 ethylene oxide 10 mol adduct (Daiichi Kogyo Seiyaku / Neugen TDS-100)
* Nonionic surfactant 2
: Polyoxyethylene alkyl ether, 12 mol of ethylene oxide adduct of C12-14 secondary alcohol (Nippon Shokubai Co., Ltd./Softanol 120)

[Bacteria elimination test]
(Test method)
Escherichia coli (E. coli ATCC11229) was used as a bacterial model in the excrement, and the sterilizing power was evaluated by the following method. That is, first, each test composition was diluted to 0.15% by mass with 50 ppm (as CaCO ₃ ) hard water. Next, 100 μl of the bacterial solution adjusted so that the number of bacteria was 10 ⁸ was adhered to 10 g of fibers, and then the diluted solution and the bacteria-adhering fibers were mixed to bring the test composition into contact with the bacteria. . After 10 minutes, 1 ml of the contact solution was taken out and added to 9 ml drug-inactivated phosphate buffer, and the same operation was performed to dilute stepwise, followed by pour-culture on a standard agar medium (manufactured by Eiken Chemical Co., Ltd.) The number of viable bacteria was measured. And the difference of the common logarithm of the number of contact bacteria and the number of living bacteria calculated | required by the following formula (2) was made into the disinfection activity value, and it evaluated by the following four evaluation criteria.

(Evaluation criteria)
(Double-circle): It is excellent in sterilization power (The sterilization activity value is 2 or more).
○: Excellent sterilizing power (bactericidal activity value is 1 or more and less than 2).
Δ: Slightly inferior in sterilizing power (bactericidal activity value of 0.5 or more and less than 1)
X: Inferior in sterilizing power (disinfecting activity value is less than 0.5).
Note that ◎ and ○ were evaluated as practical.

[Detergency test]
(Test method)
Detergency was evaluated by the following method using a test protein-containing contaminated cloth (EMPA111, manufactured by Testfabrics) as a model of excrement dirt. That is, first, 0.15 g of each test composition was diluted in tap water (detergent usage concentration 0.15%). And after putting EMPA111 into the said dilution liquid and performing washing | cleaning for 10 minutes at 25 degreeC using a washing | cleaning apparatus (Terg-O-Tomete, Daiei Kagaku Seiki Seisakusho Ltd.), it calculates | requires by following formula (3). Based on the cleaning rate obtained, the evaluation was made according to the following four evaluation criteria.

(Evaluation criteria)
A: Excellent cleaning power (cleaning rate of 90% or more).
○: Excellent detergency (cleaning rate is 70% or more and less than 90%).
Δ: Slightly inferior in cleaning power (cleaning rate is 60% or more and less than 70%).
X: Inferior cleaning power (cleaning rate is less than 60%).
Note that ◎ and ○ were evaluated as practical.

[Recontamination prevention test]
(Test method)
As a model of excrement stains, as in the above test method, a test protein-containing contaminated cloth (EMPA111, manufactured by Testfabrics) was used, washed with a white cloth made of 100% cotton broad, and applied to the white cloth according to the following method. The degree of recontamination was evaluated. That is, first, as a pretreatment, a detergent that does not contain a fluorescent agent is dissolved in hot water (40 to 50 ° C.) by a standard amount, and after washing the white cloth three times with this cleaning solution, the foam is sufficiently removed. Rinse. And after diluting 0.15 g of each test composition in tap water (detergent use concentration 0.15%), EMPA111 and a white cloth are put in each diluted solution, and a cleaning device (Terg-O-Tometer, Daiei Scientific Instruments) Washing was performed at 25 ° C. for 10 minutes using a Seisakusho Co., Ltd., and the degree of re-contamination on the white cloth was visually evaluated and evaluated according to the following three evaluation criteria.

(Evaluation criteria)
A: There is no recontamination of dirt.
○: There is almost no recontamination of dirt.
X: There is recontamination of dirt.
Note that ◎ and ○ were evaluated as practical.

  In Examples 1-24 which are the liquid disinfection cleaning composition of this invention, it turns out that a favorable performance is shown in any test item of a disinfection effect, a cleaning effect, and the recontamination prevention property of dirt.

  Comparative Example 1, Comparative Example 5 and Comparative Example 6 are cases where the dialkyldimethylammonium salt is not included or is too little, and it is understood that the bacteria are not effective for sterilization and the washing effect for clothes and the like is poor.

  Comparative Examples 9 and 10 are cases of didecyldimethylammonium chloride having a long alkyl group. If the blending amount is large, it will cause recontamination of dirt on clean clothes after washing the clothes, etc., resulting in poor finish. I understand. Further, it can be seen that when the blending amount of didecyldimethylammonium chloride is reduced, recontamination is reduced, but it is almost adsorbed on the fiber product and lacks the sterilizing effect against bacteria.

  The comparative example 4 is a case where the compounding quantity of a dioctyl dimethyl ammonium chloride is increased, and it turns out that the recontamination prevention property falls remarkably and the finish is made worse by the adsorption | suction to a textiles becoming strong.

  Comparative Examples 2, 7, and 11 are cases where the alkaline agent is not included or is too little, and it is understood that at least one of the sterilizing effect and the cleaning effect is lacking.

  Comparative Examples 3, 8, and 12 are cases where the chelating agent is not included or too little, and it is also found that at least one of the sterilizing effect and the cleaning effect is lacking.

Claims (5)

A liquid disinfectant cleaning composition for use in disinfecting and cleaning textiles, comprising the following components (A) to (C) as essential components.
(A) 2 to 10% by mass of a dialkyldimethylammonium salt represented by the following general formula (1).

(B) Alkali agent 1-30 mass%.
(C) Chelating agent 1-30 mass%.   The liquid disinfectant cleaning composition of Claim 1 which contains 1-40 mass% of nonionic surfactant as (D) component with said (A)-(C) component.   The liquid disinfecting detergent composition according to claim 1 or 2, wherein the component (A) is a dioctyldimethylammonium salt.   The liquid disinfectant cleaning composition according to any one of claims 1 to 3, wherein the component (B) is at least one selected from the group consisting of monoethanolamine, diethanolamine, and triethanolamine.   The component (C) is citric acid, gluconic acid, succinic acid, tripolyphosphoric acid, hydroxyethylethylenediaminetriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, nitrilotriacetic acid, triethylenetetraminehexaacetic acid, phosphonic acids, L-glutamic acid diacetic acid. It is at least 1 type chosen from the group which consists of a methylglycine diacetic acid, an acrylic acid polymer, a copolymer of acrylic acid and maleic acid, and those alkali metal salts, As described in any one of Claims 1-4. Liquid disinfectant cleaning composition.