JP2006219647A - Detergent composition - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a detergent composition containing no phosphate salts and organic solvents, almost odorless, highly safe to human bodies and the environment, excellent in detergency and microbicidal effects and preferably used as the detergent for tableware, cooking utensils and the like. <P>SOLUTION: The detergent composition comprises 0.1-15 mass% (A) an alkali metal salt of hydroxymethyl glycine, 10-60 mass% (B) an anionic surfactant and ≤80 mass% content of (C) a nonionic surfactant. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention is excellent in cleaning power suitably used as a cleaning agent for hand washing of tableware, cooking utensils, etc. in hotels, restaurants, school lunches, employee cafeterias, food processing factories, restaurant kitchens and workplaces, The present invention relates to a detergent composition having excellent sterilizing power.

In general, in a liquid detergent composition used for hand washing of tableware, cooking utensils, etc., a cationic surfactant and a nonionic surfactant or amphoteric surfactant as a washing component so that sterilization and washing can be performed simultaneously. Etc. are used in combination.
On the other hand, when an anionic surfactant is added as a cleaning component to a bactericidal agent containing a cationic surfactant as a main component, a significant deactivation of the bactericidal performance or a reduction in cleaning performance is caused by forming an anion-cation complex. It is widely known that happens.

  Moreover, as a detergent composition which mix | blended the disinfectant with high safety | security with respect to a human body, for example, 1 or more types chosen from 1 or more types of surfactant chosen from specific fatty acid ester, polylysine, and specific phosphates Disclosed is a detergent composition that has excellent sterilization, antibacterial properties and detergency, and is highly safe for the human body and the environment, and is particularly effective in cleaning agricultural products and baby bottles for infants. (For example, refer to Patent Document 1). Also, effective sterilization using ingredients that contain chelating agents, surfactants, and antibacterial essential oils or active ingredients thereof, that have less harmful effects on the surface, and / or that are considered favorable to the environment An antibacterial composition is disclosed (see, for example, Patent Document 2).

  In addition, it contains non-cationic bactericides, water-soluble organic solvents, anionic surfactants, hydrocarbon diluents and specific pine oils. An agent composition is disclosed (for example, see Patent Document 3). Further, it is selected from one or more solvents selected from non-cationic bactericides, water-soluble organic solvents, water-insoluble organic solvents, terpenes, essential oils and mixtures thereof, anionic surfactants, nonionic surfactants and mixtures thereof. There has been disclosed a detergent composition having one or more surfactants, excellent detergency and sterilizing power, and milky whitening when water is added (for example, see Patent Document 4).

JP 2001-348596 A Japanese National Patent Publication No. 11-514672 International Publication No. 04/035733 Pamphlet International Publication No. 04/035724 Pamphlet

  However, the conventional detergent composition containing a cationic surfactant has a problem that skin irritation is strong and rough skin tends to occur. On the other hand, in the above-mentioned reference 1, since it contains phosphate, it is a point of river pollution, in the above-mentioned reference 2, in terms of odor during work, and in the above-mentioned references 3 and 4, an organic solvent is used. The impact on the working environment was not fully satisfactory. It has been desired to develop a cleaning composition that can solve such problems.

  The present invention has been made in view of the above circumstances, does not contain phosphates and organic solvents, has almost no odor, is highly safe to the human body and the environment, has excellent cleaning power, and has a sterilizing power. It is an object of the present invention to provide a cleaning composition that is excellently used as a cleaning agent for tableware, cooking utensils and the like.

As a result of intensive studies to achieve the above object, the present inventors have combined a hydroxymethyl glycine alkali metal salt with an anionic surfactant, so that it does not contain a phosphate and an organic solvent, and has an odor. Is a odorless, highly safe for the human body and the environment, and has excellent detergency, as well as the ability to obtain a detergent composition suitable for detergents for dishes, cooking utensils, etc. Obtained. The present invention has been completed based on such findings.
That is, the present invention provides the following cleaning composition.

1. A cleaning composition containing (A) hydroxymethylglycine alkali metal salt 0.1 to 15% by mass and (B) anionic surfactant 10 to 60% by mass.
2. Furthermore, (C) Content of nonionic surfactant is 80 mass% or less, Said 1 cleaning composition characterized by the above-mentioned.
3. The cleaning composition of 1 or 2 above, wherein the hydroxymethyl glycine alkali metal salt of the component (A) is a sodium salt.
4). The cleaning composition according to any one of 1 to 3 above, wherein the anionic surfactant as the component (B) is at least one selected from sulfates and sulfonates.
5. The cleaning composition according to any one of the above 1 to 4, which does not substantially contain an organic solvent.

  The detergent composition of the present invention contains (A) a hydroxymethylglycine alkali metal salt and (B) an anionic surfactant, or further contains (C) a nonionic surfactant, whereby a phosphate. In addition, it contains no organic solvent, has almost no odor, is highly safe for the human body and the environment, has excellent detergency, and has excellent sterilizing power, and is suitably used as a detergent for dishes, cooking utensils, etc. be able to.

  The cleaning composition of the present invention (hereinafter sometimes referred to as “the present composition”) contains (A) a hydroxymethylglycine alkali metal salt and (B) an anionic surfactant as its main components, or further (C) It contains the nonionic surfactant, It is characterized by the above-mentioned.

  (A) component used for this invention is mix | blended in order to ensure sterilization power, and a hydroxymethylglycine alkali metal salt is mention | raise | lifted. Of these, sodium salts are preferably used from the viewpoint of sterilizing power.

  Moreover, the compounding quantity of (A) component is set to the range of 0.1-15 mass% in this composition. If this amount is less than 0.1% by mass, the sterilizing power is poor, and if it exceeds 15% by mass, it is disadvantageous in terms of cost. Especially, the range of 0.1-5 mass% is preferable from the point of disinfection power and cost. In particular, when the stock solution is used as it is without being diluted, the range of 0.1 to 0.3% by mass is preferable.

  (B) component used for this invention is mix | blended in order to ensure detergency, and an anionic surfactant is used. Of these, sulfates and sulfonates are preferably used. Specifically, alkylbenzene sulfonate, alkyl sulfate ester salt, alkyl ether sulfate ester salt, alkane sulfonate salt, α-olefin sulfonate salt and the like can be mentioned. More specifically, as alkylbenzene sulfonate, alkylbenzene sulfonate sodium salt, alkylbenzene sulfonate monoethanolamine salt, alkylbenzene sulfonate diethanolamine salt, alkylbenzene sulfonate triethanolamine salt, alkylbenzene sulfonate monoisopropanolamine salt, alkylbenzene sulfonate Examples of the alkyl sulfate salt include lauryl sulfate sodium salt, lauryl sulfate triethanolamine salt, lauryl sulfate ammonium salt, lauryl sulfate potassium salt, lauryl sulfate lithium salt, and lauryl sulfate. Barium salts and the like, and alkyl ether sulfate esters include Shi polyoxyethylene alkyl ether sulfate ester, polyoxyethylene alkyl ether sulfate triethanolamine, polyoxyethylene alkyl ether sulfate ammonium and the like.

  Moreover, the compounding quantity of (B) component is set to the range of 10-60 mass% in this composition. If this amount is less than 10% by mass, the detergency is poor, and if it exceeds 60% by mass, the product stability deteriorates. Especially, the range of 10-55 mass% is preferable from the point of a detergency and cost. In particular, when the stock solution is used as it is without being diluted, the range of 10 to 20% by mass is preferable.

  A nonionic surfactant can be mix | blended with the cleaning composition of this invention as a (C) component with the essential component of said (A) and (B) component as needed. This (C) component is mix | blended in order to ensure detergency. Nonionic surfactants include polyoxyethylene alkyl ether, polyoxyethylene polyoxypropylene alkyl ether, pluronic block polymer, reverse pluronic block polymer, polyhydric alcohol ethylene oxide propylene oxide adduct, glycerin ethylene oxide propylene oxide Examples include adducts, glycerin fatty acid esters, sucrose fatty acid esters, polyglycerin fatty acid esters, polyoxyethylene fatty acid esters, sorbitan fatty acid esters, propylene glycol fatty acid esters, fatty acid alkanolamides.

  Moreover, the compounding quantity of (C) component is set to the range of 80 mass% or less in this composition. When this amount exceeds 80% by mass, the balance with other components is poor, and the product stability deteriorates. Especially, the range of 2-30 mass% is preferable from the point of a detergency and cost. In particular, when the undiluted solution is used as it is without being diluted, the range of 5% by mass or less is preferable. Especially, the range of 2-5 mass% is more preferable.

  The cleaning composition of the present invention is characterized by containing substantially no organic solvent. Examples of the organic solvent include water-soluble organic solvents, water-insoluble organic solvents, and terpenes.

  In the detergent composition of the present invention, water, water softener, moisturizer, pH buffer, bactericidal agent, antiseptic agent, antifungal agent, antioxidant, dye, etc., as long as the effects of the present invention are not hindered. Arbitrary components that do not correspond to the above components (A) to (C) can be appropriately blended.

The cleaning composition of the present invention is used for washing hard surfaces by hand washing, particularly for washing dishes and cooking utensils, for example, in hotels, restaurants, school lunches, employee cafeterias, food processing factories, restaurant kitchens, and workplaces. It can be used suitably. Cleaning is usually performed by preparing a detergent aqueous solution in which the stock solution is diluted in a sink or the like and immersing the object to be cleaned in hand washing, or by soaking the stock solution or diluted solution in a sponge or the like and washing the hands.
Furthermore, the liquid detergent composition of the present invention should be allowed to stand after thoroughly rinsing the used sponge with running water, squeezing it, and then applying the stock solution of the liquid detergent composition of the present invention, and thoroughly infiltrating it. Can be used for sterilization of sponges.
In addition, when the total content of the component (A), the component (B) and the component (C) is 20% by mass or more, it can be used for use after diluting with water.

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

  The detergent compositions of Examples 1 to 12 and Comparative Examples 1 to 7 shown in Tables 1 to 3 below were prepared and subjected to various tests. In addition, the numerical value of each component in a table | surface is pure content (mass%) of each component. The sum of components (A) to (C) and optional components is 100% by mass as a whole.

  And in the obtained various cleaning composition, about each test item of cleaning power and disinfection power, it evaluated by the following test methods and criteria, and the result was combined with Tables 1-3 of the postscript, and was shown.

(1) Detergency [Test method]
10 ml each of beef tallow and soybean oil was mixed. Thereto were added 0.25 g of monoolein, 0.1 g of oil red, and 60 ml of chloroform. A slide glass was soaked in the soil, and the soil was adhered to both surfaces and dried at 25 ° C. for 1 hour. The slide glass on which the dirt was adhered was immersed in a 100-fold diluted solution of various cleaning compositions kept at 25 ° C. and washed for 2 minutes while stirring. After 2 minutes, it was removed, rinsed up and down 10 times in water, and dried overnight. The washing rate was calculated from the oil removal rate before and after washing.
[Criteria]
◎: 90% or more ○: 60% or more and less than 90% ×: 60% or less

(2) Bactericidal power [test method]
E. coli and S. aureus are cultured and adjusted to 10E7. 1 ml of the adjusted bacterial solution was added to 9 ml of various detergent compositions and mixed well. Then, after contact at 25 ° C. for 2 hours, 1 ml was taken out and added to 9 ml of drug-inactivated phosphate buffer and left for 5 minutes. The number of bacteria was measured by serial dilution with a drug-inactivated phosphate buffer. For the measurement of the number of bacteria, Sanita-kun (Chisso) for coliform bacteria and general bacteria were used. The number of coliforms was measured in a 37 ° C. incubator for 24 hours and for general bacteria after 48 hours. The sterilization rate was determined from the number of bacteria at the time of contact and the number of bacteria after contact for 2 hours.
[Criteria]
A: Bactericidal rate 99.99% or more B: Bactericidal rate less than 99.99% 99.9% or more X: Bactericidal rate less than 99.9%

In addition, the detail of the component shown to the following Tables 1-3 is as follows, and the numerical value in a table | surface is converted and shown to 100% of effective pure parts.
* Hydroxymethylglycine sodium salt: (manufactured by ISP / trade name: INTEGRA44)
* Alkyl ether sulfate sodium salt: Dodecyl ether sulfate sodium salt (manufactured by Toho Chemical Co., Ltd., trade name: ALSCOPE AT370)
* Linear alkylbenzene sulfonic acid sodium salt: Linear dodecylbenzene sulfonic acid (manufactured by Teika Co., Ltd./Trade name: Teikapower L120D) neutralized with NaOH * Linear alkylbenzene sulfonic acid monoisopropanolamine salt: Linear dodecylbenzene sulfonic acid Neutralized with monoisopropanolamine (trade name: Teikapower L120D, manufactured by Teica) * Linear alkylbenzenesulfonic acid isopropylamine salt: Linear dodecylbenzenesulfonic acid (manufactured by Teika / trade name: Teikapower L120D) is isopropylamine * Alkanesulfonic acid sodium salt: Secondary alkanesulfonate sodium salt (manufactured by Clariant Japan, Inc./trade name: SAS93)
* Polyoxyethylene alkyl ether 1
: C9-C11 linear alcohol ethylene oxide 8 mol adduct (manufactured by Shell Japan Co., Ltd./trade name: Neodol 91-8T)
* Polyoxyethylene alkyl ether 2
: 13 moles of ethylene oxide 8 mol adduct of oxo alcohol having 13 carbon atoms (BASF / trade name: Rutensol TO8)
* Polyoxyethylene alkyl ether 3
: 12 to 14 carbon adduct of 12 to 14 linear alcohol ethylene oxide (manufactured by Nippon Shokubai Co., Ltd./trade name: Softanol 120)
* Polyoxyethylene alkyl ether 4
: 11-mole ethylene oxide adduct of a linear alcohol having 12 carbon atoms (Daiichi Kogyo Seiyaku Co., Ltd./trade name: DKS NL110)
* Fatty acid alkanolamide: Coconut oil fatty acid diethanolamide (1: 1 type) (Asahi Denka Kogyo Co., Ltd./trade name: Adekasol COA)
* Triclosan: (manufactured by Ciba Specialty Chemicals / Brand name: Irgasan DP300)
* 2-Phenylphenol sodium salt: (Lanxess / Brand name: Priventol ON Extra)
* Sodium pyrithione: (Sanai Oil Co., Ltd./trade name: Sodium Omadine)
* Sodium benzoate: (Ueno Pharmaceutical Co., Ltd./Brand name: Sodium benzoate)
* Sodium dehydroacetate: (Ueno Pharmaceutical Co., Ltd./trade name: sodium dehydroacetate)
* Butylparapen: (Ueno Pharmaceutical Co., Ltd./Brand name: Platens B)
* Phenoxyethanol: (manufactured by Sanyo Chemical Industries / Product name: New Pole EFP)

  From the results of Tables 1 and 2, it can be seen that Examples 1 to 12 have good performance in terms of sterilizing power and cleaning power. Examples 6 and 7 correspond to those obtained by diluting Examples 10 and 11 five times with water.

  On the other hand, from the results in Table 3, it can be seen that Comparative Examples 1 to 7 containing various sterilizing components are inferior in sterilizing power.

Claims (5)

  A cleaning composition containing (A) hydroxymethylglycine alkali metal salt 0.1 to 15% by mass and (B) anionic surfactant 10 to 60% by mass.   Furthermore, (C) Content of a nonionic surfactant is 80 mass% or less, The cleaning composition of Claim 1 characterized by the above-mentioned.   The cleaning composition according to claim 1 or 2, wherein the alkali metal salt of hydroxymethyl glycine as the component (A) is a sodium salt.   The detergent composition according to any one of claims 1 to 3, wherein the anionic surfactant as the component (B) is at least one selected from sulfates and sulfonates.   The cleaning composition according to any one of claims 1 to 4, which does not substantially contain an organic solvent.