JPS59166600A - Detergent - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cleaning agent, and provides a cleaning agent that has excellent cleaning power and has very little solvent odor.

Glycols such as diethylene glycol monobutyl ether (butyl calpitol) and ethylene glycol monobutyl ether (butyl cellosolve) are used as cleaning agents or glass cleaners to remove oil stains on ventilation fans, gas ranges, etc., as well as stains in bathrooms and toilets. Cleaning agents containing glycol ether esters such as ether J [lj diethylene glycol monoalkyl ether hexasonoacetate as a solvent (for example, see Japanese Patent Publication No. 50-40126) and polyoxyalkylene mono(or di)lower alkyl ether as a solvent. (for example, JP-A-54-1584)
08, JP-A-54-158409, etc.) are known. However, although the former glycol ether cleaning agent has good cleaning power, it has a strong solvent odor that causes discomfort during use, and the latter polyoxyalkylene ether cleaning agent has improved solvent odor. However, the cleaning power is not fully satisfied.

In view of the above-mentioned conventional technology, the present inventors conducted studies to develop a cleaning agent with strong cleaning power and low odor.
General formula % Formula % (1) (The hole in the formula represents a methyl group or an ethyl group, m and n are integers from 0 to 5 satisfying 1≦m-1-n≦5.) 3 It has been discovered that the above object can be achieved by a cleaning agent containing an -alkoxy-3-methylbutanol derivative as an organic solvent, and the present invention has been achieved.

The 3-alkoxy-5-methylbutanol R conductor represented by the general formula (1) used in the present invention (hereinafter referred to as compound (1)
). ] can be easily obtained, for example, by reacting commercially available 6-methyl-5-methoxy (or ethoxy) butanol with ethylene oxide and/or propylene oxide in the presence of an alkali catalyst or a Lewis acid catalyst according to a conventional method.

According to the present invention, compound (1) has extremely low odor, has extremely low toxicity, has good compatibility with water, and is itself a solvent with excellent dissolving power for oily substances and surfactants. It can be used as a cleaning agent alone or in the form of an aqueous solution mixed with water in any proportion. In general formula (1), 3-methoxy- where 1 (is a methyl group)
3-Methylbutanol derivatives are particularly preferred because they have excellent dissolving power for oily substances and surfactants. Compound (1)
The value of rn+n, which indicates the number of moles of ethylene oxide and/or propylene oxide added, is 1 to 5.
It is important that the If this value exceeds 5, the dissolving power and volatility will decrease, which is not preferable. Generally preferred values of m+n are within the range of 1-3. In addition, compound (1) is 021■40 and C3H6
If they contain hundreds of zeros, their arrangement may be arbitrary.

In addition to the compound (1), the cleaning agent of the present invention may contain water in any proportion, and may also contain a surfactant as a cleaning active ingredient like conventional cleaning agents. Depending on the situation, various cleaning aids may be included.

The surfactants used include long chain alkylbenzene sulfonates, long chain monoalkyl VmM ester salts, long chain alkyl sulfonates, long chain olefin sulfonates,
Anionic surfactants such as long-chain alkylphenyl polyoxyethylene ether sulfates; nonionic surfactants such as polyoxyethylene long-chain alkyl ethers, i-chain fatty acid monoethanolamides, and long-chain fatty acid jetanolamides. Surfactants: Cationic surfactants such as long-chain mono- or dialkylammonium salts, long-chain 2-alkyl/L/, -2-imidacillin derivatives, N,N-dimethyl-N-sulfokydimethyl long-chain alkyl ammonium 4
．． N,N-dimethyl-N-(3-sulfopropy/L/)
Examples include amphoteric surfactants such as long-chain alkyl ammonium salts.

The cleaning aids used in the present invention include inorganic,
Any organic type can be used, alkaline, neutral,
Various types such as acidity are selected depending on the purpose. For example, an alkaline builder is used in combination with the above-mentioned surfactant for the purpose of quickly removing dirt that has deteriorated over a long period of time due to oil adhering to ventilation fans and gas ranges in and around the kitchen.

Examples of these are organic amines such as 7-, di-, or trialkanolamines and 7- or dialkyl alkanolamines, inorganic bases such as ammonia, caustic soda, and weak acid salts of inorganic bases such as sodium silicate and sodium carbonate. However, the former organic amine is preferable for use as a household cleaning agent. In addition, in the case of a cleaning agent for glass, etc., it is sufficient to add the organic amine mentioned above to the cleaning agent button of the present invention, and the surfactant may be added in a very small amount, for example, 1% by weight.
The following additions are sufficient.

On the other hand, for the purpose of removing stains from bathrooms and toilets, the above-mentioned surfactants include citric acid, oxalic acid, glycolic acid,
Common organic acids such as malic acid, ethylenediaminetetraacetic acid, sulfamic acid, and hydrochloric acid, phosphoric acid, condensed phosphoric acid,
Common inorganic acids such as sulfuric acid, and acids or acidic salts thereof such as alkali metal, ammonium, and lower alkanolamine salts are added as builders.

The cleaning agent of the present invention may further contain lower alcohols such as ethyl alcohol, propyl alcohol fx, and other lower alcohols, and base aromatic sulfonates such as benzene sulfonate, tolumonate, or xylene sulfonate as an aqueous cleaning agent. May be added to improve the low-voltage stability of the solution, including fragrances, dyes, colorants,
It is also good to add a fungicide or the like.

It is also possible to use a conventionally known water-soluble solvent.

The proportions of the organic solvent, surfactant, and cleaning aid in the aqueous cleaning agent according to the present invention are not particularly limited, and may be within the range generally used in conventional cleaning agents, usually 0.1 to 30% each. It is within the weight range. Also,
Compound (1) has an extremely excellent ability to dissolve various surfactants and their additives, so it can be used as a concentrated cleaning agent consisting of an aqueous solution of a highly concentrated surfactant containing Compound (1) as an organic solvent. can also be prepared. In this case, the proportion of surfactants etc. in the concentrated cleaning agent can be 50% by weight dilute acid or more.

The present invention will be explained below with reference to Examples. % in examples
All values are percentages by weight. In addition, in the measurement of odor in the examples, a panel of 10 adults (5 men and 5 men) conducted a sensory test on the odor (strength and discomfort) when cleaning operations were performed using each cleaning agent. The strength of the odor was evaluated on a 5-point scale with 5 being strong and 1 being no odor, and the unpleasantness was evaluated on a 5-point scale with 5 being strong and 1 being no discomfort. find the value,
This was rounded off.

Example 1 Diethylene glycol mono-3-methyl-3-methoxybutyl ether (hereinafter MMB-2-EO, !: 1lt)
(boiling point 270°C) 10%, nonionic surfactant (Noniball 9o manufactured by Sanyo Chemical Co., Ltd.) 3%, potassium pyrophosphate 5%
and 82% water to create an aqueous cleaning agent [unexploded EA cleaning agent (
1)] was prepared and its detergency and odor were measured.

In addition, the cleaning power is based on the Linat test method, and 20g of soybean oil is used.
A test piece was prepared by dipping a glass piece in a solution containing beef tallow 209 dissolved in 100 g of chloroform and adding 0.1 g of Oil Red as a coloring agent and drying it. Judgment was made based on the oil drop rate after stirring for 1 hour.

For comparison, an aqueous cleaning agent with the same composition as above except that ethylene glycol monobutyl ether/l/10% was contained instead of MMB-2-EO [Comparative Example Cleaning Agent (I
)] was prepared, and the same test was conducted on this cleaning agent.

The results are summarized in Table 1.

Table 1 From the above table, it is clear that the cleaning agent of the present invention has excellent cleaning power and has little odor.

Example 2 A cleaning agent having the composition shown in Table 2 was prepared, and its detergency against bathtub stains and odor were measured. In addition, when measuring the cleaning power, we used a sponge impregnated with detergent to lightly scrub the stains in the bathtub that could not be removed by lightly rubbing with a sponge impregnated with water only, and the cleaning power at that time was evaluated as good (○), usually(
Evaluation was made on a five-point scale of △) and poor (×). The results are shown in Table 2.

Table 2 (11) Example 3 Ethanol/I/2%, ethylene glycol mono-3-methy/L'-5-methoxybutyl ether (boiling point 2240
C) 2%, N, N-di x 4-1v eta/-/L/7
A glass cleaning agent was prepared by mixing Mi 70.1≠ and 95.9% water.

When window glass was cleaned with this cleaning agent, the glass was glossy and could be cleaned evenly and cleanly.

Also, I was hardly concerned about the odor.

Patent applicant: RiRashi Co., Ltd. Agent: Ken Honda (12)

Claims (1)

[Claims] 1. General formula % Formula %) (In the formula, R represents a methyl group or an ethyl group, and m and n are integers from Ω to 5 that satisfy 1≦m-1-n≦5. .) A cleaning agent characterized by containing a 3-alkoxy-5-methylbutanol derivative shown in the following. 2. The cleaning agent according to claim 1, which is in the form of an aqueous solution. 3. The cleaning agent according to claim 1 or 2, which contains a surfactant as a cleaning active ingredient. 4. The cleaning agent according to claim 1, 2 or 3, which contains a cleaning aid.