JPH0117701B2 - - Google Patents

Description

[Detailed description of the invention]

[Field of Application of the Invention] The present invention relates to improvements in deodorants. [Background of the Invention] In recent years, improvements in the living environment have been attracting attention, and removal of bad odors has been taken up as one of the improvements. Bad odors occur not only in special places such as sewage treatment plants and garbage incinerators, but also in cars, refrigerators, homes, and other places. In places where there is a strong odor such as a toilet, the method of masking the odor is to use an air freshener.
Such fragrances often cause discomfort due to their strong odors. For this reason, it is not suitable for dealing with bad odors in cars, refrigerators, homes, etc., and in general, vegetable essential oils,
Deodorants containing special amino acids, metal ion water, etc. as main ingredients and activated carbon that utilizes adsorption are used. However, the effects of such deodorants and activated carbon are selective and unsatisfactory. Various proposals have been made regarding deodorants. For example, as shown in Japanese Patent Application Laid-Open No. 173551/1983, one is based on a deodorant containing a surfactant, cinnamon oil, acid, and a small amount of an aqueous solvent as the main ingredients. Deodorants have been proposed. However, although this deodorant is effective against alkaline odors such as ammonia, it is not effective against acidic odors such as butyric acid, and other deodorants As with activated carbon, only selective effects could be expected. [Object of the Invention] An object of the present invention is to provide a deodorant that acts against many types of bad odors. [Summary of the Invention] The present invention relates to deodorizing mechanisms, including those mainly based on chemical deodorization such as neutralization reaction and chelation reaction, those mainly based on physical deodorization such as adsorption, and those based on bactericidal action, etc. Carboxybetaine type surfactants, 1-hydroxyethane-1,1-diphosphonic acid, and polyethylene glycol It is characterized by having as a main component. [Embodiments of the Invention] Examples of the present invention will be described below. As mentioned above, the mechanisms of deodorization are: (1) those mainly based on chemical deodorization such as neutralization reaction and chelate reaction, (2) those mainly based on physical deodorization such as adsorption, (3) ) Mainly biological deodorization such as sterilization. First, for chemical deodorization such as neutralization reaction, an amphoteric surfactant, that is, a carboxybetaine type surfactant, which exhibits a neutralization reaction against acidic and alkaline malodors was used. This surfactant has acidic properties that neutralize alkaline malodors, and surfactant's alkaline properties neutralize acidic malodors. This group acts as a neutralizer and also has bactericidal properties. In addition, when an anionic surfactant and a cationic surfactant are mixed with the expectation of the same effect, the effects will be offset by the two, and the above-mentioned effect will not be obtained after all. For chemical deodorization such as chelate reaction, 1-hydroxyethane-1,1-diphosphonic acid was used. Furthermore, as for physical deodorization such as residual adsorption, polyethylene glycol was found to be effective against things other than bad smells caused by acids and alkalis, such as petroleum smells. Moreover, in selecting substances that satisfy each of these conditions, we selected substances that do not cancel each other's effects when mixed, and confirmed this through experiments. Next, a specific example will be explained. Dissolve 5 g of carboxybetaine type surfactant, 5 g of 1-hydroxyethane-1,1-diphosphonic acid, and 20 g of polyethylene glycol with an average molecular weight of 400 in 200 ml of water to obtain a uniform solution.
By adding Kanten to this, he created a jelly-like deodorant. Then, in 10 sealed containers, add ammonia,
About n-hexane and hydrogen sulfide each
Add deodorant to 100ppm and add 10% deodorant.
The initial concentration of malodorous components and the concentration after 30 minutes were measured using a Kitagawa gas detection tube, and the results are shown in the table below. The deodorants used were a commercial product containing vegetable oil as the main component, a commercial product B containing amino acids as the main component, a commercial product C containing metal ion water as the main component, a commercial product D containing activated carbon as the main component, This is the deodorant E of this example described above.

〔Effect of the invention〕

As explained above, the present invention is broadly divided into deodorizing mechanisms such as neutralization reaction, chelate reaction, adsorption, and sterilization, and also includes carboxybetaine type surfactants whose effects are not canceled out by mixing; Since the main ingredients are hydroxyethane-1,1-diphosphonic acid and polyethylene glycol, it has an excellent deodorizing effect against a wide range of bad odors.

Claims (1)

[Scope of Claims] 1. A deodorant characterized by comprising a carboxybetaine type surfactant, 1-hydroxyethane-1,1-diphosphonic acid, and polyethylene glycol as main components. 2. In the product according to claim 1, the carboxybetaine type surfactant, the 1-hydroxyethane-1,1-diphosphonic acid, and the polyethylene glycol are mixed in a proportion of approximately 1:
A deodorant characterized by being mixed at a weight ratio of 1:4. 3. In the product described in claim 1 above, the carboxybetaine type surfactant is 1 to 20 g, the 1-hydroxyethane-1,1-diphosphonic acid is 0.5 to 10 g, and the polyethylene A deodorant characterized by a mixture of 10 to 40 g of glycol. 4. In the product described in claim 1 above, 5 g of the carboxybetaine type surfactant and 5 g of the 1-hydroxyethane-type surfactant are added to 200 ml of water.
A deodorant characterized by mixing 5 g of 1,1-diphosphonic acid and 20 g of the above polyethylene glycol.