JP3012978B2 - Deodorants - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a deodorant.
More specifically, the present invention relates to a deodorant which can efficiently remove odor components such as acetaldehyde and formaldehyde which are malodorous components, are easily soluble in an organic solvent, and have a wide application range.

[0002]

In recent years, along with the remarkable improvement in living standards, more comfortable living and working environments have been demanded, and various problems have been raised. For example,
One of the causes of the increasing anti-smoking movement is that many offensive odor components such as acetaldehyde, ammonia, trimethylamine, mercaptan, hydrogen sulfide, etc. contained in cigarette smoke can cause hair, clothes, indoor walls, furniture, carpets, etc. Car,
It may adhere to the interior of vehicles such as trains and remain as an odor.

[0003] Also, in new buildings, tobacco smoke,
Formaldehyde contained in paints, adhesives, and the like for building materials causes sick house syndrome, which is a major social problem. It has been confirmed that the emission of formaldehyde does not stop only at the time of new construction, but continues even after several years to ten and several years after construction.

As means for removing (deodorizing) such malodors, air purifiers, air conditioners and the like are generally used, but their effects are insufficient.

On the other hand, various proposals have been made for methods other than such mechanical deodorizing means. For example, an acrylic resin having a deodorizing function imparted by modification is spun into fibers, which are processed to produce deodorant carpets and curtains. However, this method is not industrially advantageous because the deodorizing effect is insufficient and the cost for modifying the acrylic resin is high.

[0006] Deodorizing coating materials containing a synthetic resin matrix such as an acrylic resin emulsion and a deodorizing catalyst have also been coated on substrates having various materials and shapes. Representative deodorizing catalysts include, for example, perlite, zeolite, silica gel, activated carbon, a complex of ferrous sulfate and L-ascorbic acid, and the like. Among these, perlite, zeolite, silica gel and activated carbon are catalysts that physically adsorb odors. On the other hand, the complex of ferrous sulfate and L-ascorbic acid generates active oxygen when exposed to ultraviolet light,
This has the function of oxidizing the malodorous components and deodorizing them.
However, conventional coating materials containing these catalysts exhibit a deodorant effect at the beginning of use,
The effect has a long life, and long-term sustainability cannot be expected.

Further, the above various deodorizing means have a fatal disadvantage that the effect of removing acetaldehyde, which accounts for a large proportion of the malodorous components of tobacco, and aldehydes such as formaldehyde emitted from new building materials, is insufficient. Have.

On the other hand, JP-A-8-280781 and JP-A-10-36681 specifically disclose adipic dihydrazide, sebacic dihydrazide, dodecane diacid dihydrazide, isophthalic dihydrazide and the like as deodorants for aldehydes. Is disclosed. However,
Although these dihydrazides have higher aldehyde-removing ability than conventional ones, these dihydrazides are particularly difficult to dissolve in an organic solvent, and thus there is a problem that preparation of the dihydrazide takes time.

[0009]

Means for Solving the Problems As a result of intensive studies to solve the above problems, the present inventors have found that at least one compound selected from azole compounds, azine compounds and 1-aminopyrrolidine compounds is composed of dihydrazides. It has been found that they have the same or better deodorizing performance and are soluble in an organic solvent, so that they can be a desired deodorant. The present invention has been completed based on such findings.

That is, the present invention relates to a deodorant containing at least one compound selected from an azole compound, an azine compound and a 1-aminopyrrolidine compound as an active ingredient.

The deodorant of the present invention has a remarkable deodorizing effect on aldehydes such as acetaldehyde which is a main component of tobacco malodor and formaldehyde emitted from new building materials, and has an excellent deodorizing effect. It has the favorable property of lasting for a long time.

Further, the deodorant of the present invention has an advantage that it is widely applicable because it is easily soluble in organic solvents such as alcohols, aromatic hydrocarbons and ethers.
For example, by dissolving the deodorant of the present invention in an organic solvent, it becomes easy to mix uniformly with various synthetic resins, and for example, can be suitably used as a paint, an adhesive, a surface treatment agent, and the like. . Furthermore, since the deodorant of the present invention can be dissolved to some extent in water, it has the advantage that it can be easily formulated in both organic solvent systems and aqueous systems.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the deodorant of the present invention, at least one selected from azole compounds, azine compounds and 1-aminopyrrolidine compounds is used as an active ingredient.

The azole compound and the azine compound have two or three nitrogen atoms as hetero atoms.
Known 5- or 6-membered heterocyclic compounds can be widely used. These heterocyclic compounds include a linear or branched alkyl group having about 1 to 4 carbon atoms, an aryl group which may have one or more substituents, a hydroxyl group, an amino group,
One or more substituents such as alkylamino, dialkylamino, arylamino, diarylamino, mercapto, ester, carboxyl, benzotriazolyl, 1-hydroxybenzotriazolyl, etc. It may be substituted. Here, examples of the linear or branched alkyl group having about 1 to 4 carbon atoms include methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, tert-butyl and the like. Can be Examples of the aryl group include a phenyl group, a biphenyl group, and a naphthyl group. These groups include a hydroxyl group, a halogen atom, a sulfonic acid group, and a linear or branched alkyl group having 1 to 4 carbon atoms. May have one or more substituents. When the compound has a carboxyl group as a substituent, its ester is also included in the active ingredient of the present invention.

Examples of the azole compound include a diazole compound, a triazole compound, a thiadiazole compound and the like, and a diazole compound and a triazole compound are preferably used.

Specific examples of the diazole compound include, for example, 3-methyl-5-pyrazolone, 1,3-dimethyl-5
-Pyrazolone, 3-methyl-1-phenyl-5-pyrazolone, 3-phenyl-6-pyrazolone, 3-methyl-1
Pyrazolone compounds such as-(3-sulfophenyl) -5-pyrazolone, pyrazole, 3-methylpyrazole, 1,
4-dimethylpyrazole, 3,5-dimethylpyrazole, 3,5-dimethyl-1-phenylpyrazole, 3-
Aminopyrazole, 5-amino-3-methylpyrazole, 3-methylpyrazole-5-carboxylic acid, 3-methylpyrazole-5-carboxylic acid methyl ester, 3-methylpyrazole-5-carboxylic acid ethyl ester, 3,
Pyrazole compounds such as 5-methylpyrazoledicarboxylic acid and the like can be mentioned.

Specific examples of the triazole compound include, for example, 1,2,3-triazole, 1,2,4-triazole, 3-n-butyl-1,2,4-triazole,
3,5-dimethyl-1,2,4-triazole, 3,5
-Di-n-butyl-1,2,4-triazole, 3-mercapto-1,2,4-triazole, 3-amino-
1,2,4-triazole, 4-amino-1,2,4-
Triazole, 3,5-diamino-1,2,4-triazole, 5-amino-3-mercapto-1,2,4-triazole, 3-amino-5-phenyl-1,2,4-
Triazole, 3,5-diphenyl-1,2,4-triazole, 1,2,4-triazol-3-one, urazole (3,5-dioxy-1,2,4-triazole), 1,2,4 -Triazole-3-carboxylic acid, 1
-Hydroxybenzotriazole, 5-hydroxy-7
-Methyl-1,3,8-triazaindolizine, 1H-
Benzotriazole, 4-methyl-1H-benzotriazole, 5-methyl-1H-benzotriazole and the like can be mentioned.

Specific examples of the thiadiazole compound include:
For example, 2-amino-5-ethyl-1,3,4-thiadiazole, 5-amino-2-mercapto-1,3,4-thiadiazole, 2,5-dimercapto-1,3,4-thiadiazole, 5-t -Butyl-2-methylamino-
1,3,4-thiadiazole, 2-amino-5-methyl-1,3,4-thiadiazole, 2-amino-1,3,
4-thiadiazole and the like can be mentioned.

Examples of the azine compound include a diazine compound, a triazine compound, a pyridazine compound and the like. Among these, a pyridazine compound is preferably used.

Specific examples of the diazine compound include, for example, 1,3-diazine, 2-amino-4,6-dimethyl-
1,3-diazine, 4,6-dihydroxy-1,3-diazine, 2-mercapto-1,3-diazine, 2-amino-1,3-diazine, 2,4-dihydroxy-1,3
1,3-diazines such as diazine, 2-amino-1,
4-diazine, 2,3-dimethyl-1,4-diazine,
2-methyl-1,4-diazine, 1,4-diazine-2
-Carboxylic acids, 1,4-diazines such as 2,3,5-trimethyl-1,4-diazine and the like.

Specific examples of the triazine compound include, for example, 3-amino-5,6-dimethyl-1,2,4-triazine, 3-hydroxy-5,6-diphenyl-1,2,2
4-triazine, benzo-1,2,3-triazine-4
(3H) -one, 3- (2-pyridyl) -5,6-diphenyl-1,2,4-triazine and the like can be mentioned.

Specific examples of the pyridazine compound include, for example, pyridazine, 6-methyl-8-hydroxytriazolopyridazine, 4,5-dichloro-3-pyridazine, 6
-Methyl-3-pyridazone and the like.

Specific examples of the 1-aminopyrrolidine compound include 1-aminopyrrolidine and its inorganic acid salt. Specific examples of the inorganic acid salt of the 1-aminopyrrolidine compound include a hydrochloride, a sulfate, a phosphate, and a carbonate of the 1-aminopyrrolidine compound.

Of these, azole compounds are preferred. Among the azole compounds, triazole compounds such as 1,2,4-triazole and 1,2,3-triazole, pyrazole compounds such as 3,5-dimethylpyrazole and 3-methyl Pyrazolone compounds such as -5-pyrazolone are particularly preferred.

In the present invention, one of the above azole compounds, azine compounds and 1-aminopyrrolidine compounds can be used alone or in combination of two or more.

The deodorant of the present invention includes dihydrazides and other known deodorants (for example, perlite, zeolite, silica gel, activated carbon, urea, ferrous sulfate and L- Conjugates with ascorbic acid, etc.).

The deodorant of the present invention is usually used in the form of a powder, a solution or a dispersion.

The deodorant of the present invention in the form of a powder can be used in the same manner as a general powder. For example, the deodorant is added to and mixed with a material to be treated.

The deodorant of the present invention in the form of a powder is dissolved or dispersed in a suitable organic solvent, a solvent such as water, and the like.
It is applied to, impregnated with, or mixed with the material to be treated. Here, known organic solvents can be used, for example,
Linear or branched aliphatic saturated alcohols having about 1 to 8 carbon atoms, alicyclic alcohols such as cyclopentanol and cyclohexanol, polyhydric alcohols such as ethylene glycol, and having about 1 to 8 carbon atoms Chain or branched chain or cyclic aliphatic hydrocarbons, aromatic hydrocarbons such as benzene, toluene and xylene, and the alkyl moiety has 1 to 8 carbon atoms.
Dialkyl ethers, diaryl ethers, tetrahydrofuran,
Examples thereof include cyclic ethers such as dioxane, ketones, esters, nitriles such as acetonitrile, polar solvents such as dimethylformamide and dimethylsulfoxide, phosphates, and mixed solvents of two or more of these. Further, an appropriate amount of water can be contained in such an organic solvent. The concentration of the active ingredient (deodorant component) in preparing the solution or dispersion is not particularly limited and can be appropriately selected from a wide range depending on the intended use of the obtained solution or dispersion. Alternatively, it may be about 0.1 to 80% by weight, preferably about 0.5 to 60% by weight, more preferably about 1 to 20% by weight of the total amount of the dispersion.

In the present invention, the persistence of the deodorizing effect can be further improved by adding a surfactant to the solution or dispersion of the deodorant of the present invention to form an emulsion.

The surfactant is not particularly limited, and any conventionally known surfactants can be used. Examples thereof include sulfate ester type anionic surfactants, sulfonic acid type anionic surfactants, and polyoxyethylene type nonionic surfactants. Ionic surfactants and the like. Among them, a sulfate ester type anionic surfactant and a sulfonic acid type anionic surfactant are preferred.

As the sulfate ester type anionic surfactant, known ones can be used. For example, a general formula (R ¹ OSO ₃ ) _n M (1) wherein R ¹ is an alkyl having 6 to 30 carbon atoms It represents an alkenyl group having 12 to 18 carbon atoms which may have a hydroxyl group as a group or a substituent. M represents a monovalent or divalent cation. n represents 1 or 2. However, when M represents a monovalent cation, n is 1, and when M represents a divalent cation,
n is 2. A higher alcohol sulfate salt represented by the general formula (R ² R ³ CHOSO ₃ ) _n M (2) wherein M and n are the same as above. R ² and R ³ are the same or different and represent an alkyl group having 1 to 20 carbon atoms. An olefin sulfate salt represented by the general formula (R ² R ³ CHO (CH ₂ CH ₂ ) _m SO ₃ ) _n M (3) wherein R ² , R ³ , n and M are the same as above. . m is 2-4
Indicates an integer. An alkyl ether sulfate represented by the general formula (R ⁴ O (CH ₂ CH ₂ O) _m SO ₃ ) _n M (4) wherein M, n and m are the same as above. R ⁴ has 6 or more carbon atoms
And a phenyl group which may have an alkyl group of 30 or an alkyl group having 7 to 10 carbon atoms as a substituent. And the like.

In the general formula (1), examples of the alkyl group having 6 to 30 carbon atoms represented by R ¹ include a hexyl group, an octyl group, a dodecyl group, a hexadecyl group, an octadecyl group and a group —CH ₂ (CH _{2 2) 24} CH _3, group -CH
_A linear alkyl group such as ₂ (CH ₂ ) ₂₈ CH ₃ can be exemplified.
Among them, those having about 12 to 20 carbon atoms are preferable. In addition, carbon atoms having 1 or less carbon atoms which may have a hydroxyl group as a substituent
Examples of the alkenyl group of 2 to 18 include, for example, a group -CH
_{2 (CH 2) 7 CH =} CH (CH 2) 7 CH 3, group -CH ₂ (CH _2)
7 CH = CHCH ₂ CH (OH) (CH ₂ ) ₅ CH ₃ , group —CH _{2
(CH 2) 7 CH = CHCH} 2 CH = CH (CH 2) 4 CH 3, group _{-CH 2 (CH 2) 7 CH} = CHCH 2 CH = CHCH 2 CH
= A linear alkenyl group such as CHCH ₂ CH ₃ can be exemplified. Among these, groups _{-CH 2 (CH 2) 7 CH} = CH (C
H ₂ ) ₇ CH ₃ is preferred.

In the general formulas (2) and (3), examples of the alkyl group having 1 to 20 carbon atoms represented by R ² and R ³ include a methyl group, an ethyl group, an n-propyl group and an iso- propyl group, n- butyl group, iso- butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, group _{-CH 2 CH 2 C (C 2} H 5) H (CH 2) 3 CH 3, nonyl group, Examples thereof include linear or branched alkyl groups such as decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, and heptadecyl. In addition, as R ² and R ³ in the general formula (3), a linear alkyl group having 2 or more carbon atoms is preferable.

As the alkyl group having 6 to 30 carbon atoms represented by R ⁴ in the general formula (4), the same as the alkyl group having 6 to 30 carbon atoms represented by R ¹ can be exemplified. Examples of the alkyl group having 7 to 10 carbon atoms which is a substituent of the phenyl group represented by R ⁴ include a heptyl group, an octyl group, a nonyl group, and a decyl group, and an alkyl group having 8 or 9 carbon atoms is preferable. .

In the above general formulas (1) to (4), examples of the monovalent cation represented by M include alkali metal ions such as sodium and potassium, and ammonium ions. Among these,
Sodium ions are preferred. Examples of the divalent cation represented by M include ions of alkaline earth metals such as magnesium and calcium, and zinc ions.

Specific examples of the higher alcohol sulfates represented by the general formula (1) include, for example, lauryl alcohol sulfate (eg, C ₁₂ H ₂₅ OSO ₃ Na) and lauryl alcohol sulfate (C ₁₂ H ₂₅ OSO). ₃ ^- -
NH ₄ ⁺ ), cetyl sulfate (eg, C ₁₆ H ₃₃ OS
O ₃ Na), stearyl sulfate (eg, C ₁₈ H
₃₇ OSO ₃ Na), oleyl sulfate (eg, C
₁₈ H ₃₅ OSO ₃ Na), Ziegler alcohol sulfates (eg C ₁₂ H ₂₅ OSO ₃ Na and C ₁₄ H ₂₉ OSO ₃
Na), oxo alcohol sulfates and the like.

Specific examples of the olefin sulfate of the general formula (2) include, for example, 7-ethyl-2-methyl-undecane-4-sulfate and undecane-6.
-Sulfate, tridecane-7-sulfate,
Pentadecane-8-sulfate, heptadecane-9
-Sulfate, nonadecane-10-sulfate, undecane-2-sulfate, tridecane-2
-Sulfate, pentadecane-2-sulfate, heptadecane-2-sulfate, nonadecane-
Examples thereof include 2-sulfate, pentadecane-2-sulfate, pentadecane-4-sulfate, pentadecane-6-sulfate, and pentadecane-8-sulfate.

Specific examples of the alkyl ether sulfate of the general formula (3) include, for example, undecane-6
-Trioxyethylene sulfate, undecane-6
-Pentyloxyethylene sulfate, undecane-6-decyloxyethylene sulfate, tridecane-7-trioxyethylene sulfate, tridecane-7-pentyloxyethylene sulfate, tridecane-7-decyloxyethylene sulfate Salt, pentadecane-8-trioxyethylene sulfate,
Pentadecane-8-pentyloxyethylene sulfate, pentadecane-8-decyloxyethylene sulfate, heptadecane-9-trioxyethylene sulfate, heptadecane-9-pentyloxyethylene sulfate, heptadecane-9-decyloxy Examples thereof include ethylene sulfate, nonadecane-10-trioxyethylene sulfate, nonadecane-10-pentyloxyethylene sulfate, and nonadecane-10-decyloxyethylene sulfate.

Specific examples of the alkyl ether sulfate of the above general formula (4) include, for example, lauryl ether sulfate, trioxyethylene octadecyl ether sulfate, pentyloxyethylene octadecyl ether sulfate, decyloxyethylene Examples thereof include octadecyl ether sulfate and polyoxyethylene alkyl ether sulfate.

Among the sulfate-type anionic surfactants, alkyl ether sulfates of the general formula (4) are particularly preferred.

As the sulfonic acid type anionic surfactant, known ones can be used. For example, a general formula (R ¹ SO ₃ ) _n M (5) wherein R ¹ , M and n are the same as above . An alkyl sulfonate represented by the general formula (R ² R ³ CHSO ₃ ) _n M (6) wherein R ² , R ³ , M and n are the same as above. An alkyl sulfonate represented by the general formula:

[0043]

Embedded image

[Wherein R ¹ , M and n are the same as above. ]
An alkylbenzene sulfonate represented by the general formula

[0045]

Embedded image

Wherein M and n are the same as above. R ⁵ represents an alkyl group having 1 to 6 carbon atoms. l represents 1 or 2. An alkylnaphthalene sulfonate represented by the general formula

[0047]

Embedded image

[Wherein, M and n are the same as above. R ⁶ and R ⁷ are the same or different and represent an alkyl group having 1 to 15 carbon atoms. And the like, and the like.

In the above formulas (5) and (7), an alkyl group having 6 to 30 carbon atoms represented by R ¹ and a C ¹² to C 18 which may have a hydroxyl group as a substituent.
Examples of the alkenyl group include those similar to those in the general formula (1).

In the above formula (6), examples of the alkyl group having 1 to 20 carbon atoms represented by R ² and R ³ are the same as those in the formula (2).

In the general formula (8), examples of the alkyl group having 1 to 6 carbon atoms represented by R ⁵ include a methyl group, an ethyl group, an n-propyl group, an iso-propyl group,
Examples thereof include a linear or branched alkyl group such as an n-butyl group, an iso-butyl group, a tert-butyl group, an n-pentyl group, and an n-hexyl group. Among them, an alkyl group having 3 to 4 carbon atoms is preferable.

In the general formula (9), examples of the alkyl group having 1 to 15 carbon atoms represented by R ⁶ and R ⁷ include a methyl group, an ethyl group, an n-propyl group, an iso-propyl group and an n- Butyl group, iso-butyl group, tert
-Butyl group, n-pentyl group, n-hexyl group, n-heptyl group, n-octyl group, n-nonyl group, 2-ethylhexyl group, 1-methyl-4-ethylhexyl group, 1-
Examples thereof include a linear or branched alkyl group such as a methyl-4-ethyloctyl group.

In the general formulas (5) to (9), examples of the monovalent cation represented by M include alkali metal ions such as sodium and potassium, and ammonium ions. Among these,
Sodium ions are preferred. Examples of the divalent cation represented by M include ions of alkaline earth metals such as magnesium and calcium, and zinc ions.

Specific examples of the alkyl sulfonate of the general formula (5) include, for example, decyl sulfonate, dodecyl sulfonate, tetradecyl sulfonate, hexadecyl sulfonate, octadecyl sulfonate and the like. Can be mentioned.

Specific examples of the alkyl sulfonate represented by the general formula (6) include, for example, undecane-6-sulfonate, tridecane-7-sulfonate, pentadecane-
8-sulfonate, heptadecane-9-sulfonate,
Nonadecane-10-sulfonate, undecane-2-sulfonate, tridecane-2-sulfonate, pentadecane-2-sulfonate, heptadecane-2-sulfonate, nonadecane-2-sulfonate, pentadecane-
2-sulfonate, pentadecane-4-sulfonate,
Pentadecane-6-sulfonate, pentadecane-8-
Sulfonates and the like can be mentioned.

Specific examples of the alkylbenzene sulfonate represented by the general formula (7) include, for example, dodecylbenzene sulfonate, decylbenzene sulfonate, tetradecylbenzene sulfonate, hexadecylbenzene sulfonate, octadecylbenzene Sulfonates, methylhexadecylbenzenesulfonate, methyltetradecylbenzenesulfonate, methyldodecylbenzenesulfonate, methyldecylbenzenesulfonate and the like can be mentioned.

Specific examples of the alkyl naphthalene sulfonic acid salt of the general formula (8) include, for example, 1,4-diisopropyl naphthalene sulfonic acid, 1,4-diisobutyl naphthalene sulfonic acid salt and 1,4-n-butyl naphthalene Sulfonate, isopropyl naphthalene sulfonate, di-n-octylnaphthalene sulfonate, di-n
-Dodecylnaphthalene sulfonate and the like.

Specific examples of the sulfosuccinate ester salt of the above formula (9) include, for example, di-2 sulfosuccinate.
-Ethylhexyl ester salt, dioctyl sulfosuccinate, di-n-pentyl sulfosuccinate, di-n-hexyl sulfosuccinate, di-n-heptyl sulfosuccinate, di-n-octyl sulfosuccinate, di-n-octyl sulfosuccinate , Sulfosuccinic acid di-
n-nonyl ester salt, monoethyl monododecyl sulfosuccinate, monobutyl monododecyl sulfosuccinate, mono-2-ethylhexyl sulfosuccinate-mono-1-methylbenzyl ester salt, mono-2-ethylhexyl sulfosuccinate-mono -1-methyl-4-ethylhexyl ester salt, sulfosuccinic acid di-
1-methylbutyl ester salt, sulfosuccinic acid di-1,
Examples thereof include 3-dimethylbutyl ester salt.

Among the sulfonic acid type anionic surfactants, alkyl naphthalene sulfonates of the general formula (8) are particularly preferred.

As the polyoxyethylene type nonionic surfactant, known ones can be used. For example, a general formula R ¹ O (CH ₂ CH ₂ O) _m H (10) wherein R ¹ and m are Same as And the like.

In the general formula (10), the alkyl group having 6 to 30 carbon atoms represented by R ¹ and the alkenyl group having 12 to 18 carbon atoms which may have a hydroxyl group as a substituent include those represented by the general formula (1) ) Can be exemplified.

Specific examples of the polyoxyethylene alkyl ether represented by the general formula (10) include, for example, trioxyethylene octadecyl ether, pentyloxyethylene octadecyl ether, decyloxyethylene octadecyl ether, hexaoxyethylene octyl ether, hexaoxyethylene dodecyl Ether, hexaoxyethylene tetradecyl ether, hexaoxyethylene hexadecyl ether and the like can be mentioned.

The content of the surfactant in the deodorant of the present invention can be appropriately selected from a wide range according to the type thereof, the type and the content of the hydrazide compound to be used in combination. The amount may be about 0.001 to 10% by weight, preferably about 0.005 to 1% by weight.

In the present invention, as a medium for dissolving, dispersing or emulsifying the deodorant component and the surfactant, water, an organic solvent and a mixed solvent thereof can be used. The organic solvent is not particularly limited, and any known organic solvent can be used as long as it does not adversely affect the active ingredient. For example, a linear or branched aliphatic saturated having about 1 to 8 carbon atoms can be used. Alcohols, cyclopentanol, alicyclic alcohols such as cyclohexanol, polyhydric alcohols such as ethylene glycol, linear or branched or cyclic aliphatic hydrocarbons having about 1 to 8 carbon atoms, benzene, Aromatic hydrocarbons such as toluene and xylene, where the alkyl moiety has 1 carbon atom
Up to about 8 linear or branched alkyl dialkyl ethers, diaryl ethers, cyclic ethers such as tetrahydrofuran and dioxane, ketones, esters, nitriles such as acetonitrile, and polarities such as dimethylformamide and dimethyl sulfoxide. Solvents, phosphates and the like can be mentioned. Among them, linear or branched aliphatic saturated alcohols having 1 to 4 carbon atoms and aromatic hydrocarbons are preferable. One of these organic solvents can be used alone, or two or more can be used in combination.

Further, the above-mentioned emulsion and synthetic resin emulsion can be used in the form of an emulsion by mixing them. Here, examples of the synthetic resin emulsion include a vinyl acetate polymer emulsion, an ethylene-vinyl acetate polymer emulsion, a vinyl acetate-versatate copolymer emulsion, and an ethylene-vinyl acetate emulsion.
Vinyl chloride copolymer emulsion, ethylene-vinyl acetate-acrylate copolymer emulsion, acrylate polymer emulsion, acrylate-styrene copolymer emulsion, vinyl chloride polymer emulsion, urethane polymer emulsion, silicone polymer emulsion Examples include synthetic resin emulsions and aqueous starch solutions produced by emulsion polymerization, solution polymerization, and the like of coalesced emulsions and epoxy polymer emulsions. The amount of the active ingredient (deodorant ingredient) used in the production of the emulsion is not particularly limited and can be appropriately selected from a wide range, but is usually 0.1 to 100 parts by weight of the solid content of the synthetic resin emulsion.
It may be appropriately adjusted so as to be about 2 to 30 parts by weight, preferably about 0.5 to 20 parts by weight.

The deodorant of the present invention may contain, if necessary, an antioxidant, an ultraviolet absorber, and the like as long as the effect is not impaired.
General additives such as an antistatic agent, a flame retardant, a bactericide, a fungicide, an insect repellent, a pigment, a colorant, and a flavor may be compounded.

Further, the deodorant or the solution of the present invention in the form of a powder,
The deodorant of the present invention prepared in the form of a dispersion or an emulsion can be mixed with a suitable synthetic resin to form a deodorant resin composition. Such a deodorant resin composition is also included in the deodorant of the present invention.

The synthetic resin is not particularly limited and may be a known resin, for example, polyvinyl chloride, polyolefin (polyethylene, polypropylene, etc.), methacrylic resin, polyvinyl alcohol, acetoacetylated polyvinyl alcohol, ABS resin, vinylidene chloride Resin, vinyl acetate resin, polyamide, polyacetal, polycarbonate, thermoplastic resin such as modified polyphenylene ether polysulfone, polyphenylene sulfide, epoxy resin, xylene resin, guanamine resin, diallyl phthalate resin, vinyl ester resin, phenol resin, unsaturated polyester, furan Thermosetting resins such as resin, polyimide, polyurethane, maleic acid resin, melamine resin, urea resin, and urea resin can be used. Among them, as the thermoplastic resin, polyvinyl chloride, polyolefin (polyethylene, polypropylene, etc.), methacrylic resin, polyvinyl alcohol, acetoacetylated polyvinyl alcohol, ABS resin and the like are preferable,
Polyvinyl chloride, polyolefin and the like are particularly preferred. Further, as the thermosetting resin, for example, a phenol resin,
Urea resins, urea resins, melamine resins, unsaturated polyesters, epoxy resins, silicon resins, polyurethanes and the like are preferable, and epoxy resins and polyurethanes are particularly preferable.

In the deodorant resin composition of the present invention, the amount of the effective component (deodorant component) is not particularly limited and can be appropriately selected from a wide range. About 2 to 30 parts by weight, preferably 0.5 to 2 parts by weight
What is necessary is just to adjust suitably so that it may become about 0 weight part.

Further, a foaming agent may be added to the deodorant resin composition of the present invention. By heating and foaming the obtained composition, fine bubbles are uniformly dispersed in the coating film after foaming, molded articles, etc., the surface area in contact with air is significantly increased, and the deodorizing effect is further enhanced. improves.

The foaming agent is not particularly limited, and may be selected from known organic foaming agents and inorganic foaming agents according to the type of synthetic resin used, the purpose of use of the obtained deodorant foam, the place of use, and the like. It can be appropriately selected and used.

Examples of the organic blowing agent include azo compounds such as azodicarbonamide, azobisisobutyronitrile and azohexahydrobenzonitrile, benzenesulfonylhydrazide, p, p'-oxybis (benzenesulfonylhydrazide), sulfonyl hydrazide compounds such as p-toluenesulfonyl hydrazide, diphenyl sulfone-3,3'-disulfonyl hydrazide, diphenyl oxide-4,4'-disulfonyl hydrazide; N, N
Nitroso compounds such as -dinitrosopentamethylenetetramine and N, N'-dinitroso-N, N'-dimethylterephthalamide; and azide compounds such as terephthalazide and p-tert-butylbenzazide. Among them, azo compounds are preferred, and azodicarbonamide is more preferred.

Examples of the inorganic foaming agent include sodium bicarbonate and ammonium carbonate.

Further, gases such as carbon dioxide, freon, methylene dichloride, pentane and air can also be used. For example, in order to foam polyurethane, when an appropriate amount of water is added to polyurethane, isocyanate, which is a component of polyurethane, and water react to generate carbon dioxide, thereby forming a foam.

The amount of the foaming agent varies depending on the type of the foaming agent and cannot be unconditionally determined, but is usually 0.2 to 30 parts by weight, preferably 0.5 to 20 parts by weight, per 100 parts by weight of the synthetic resin. Good to do.

The expansion ratio of the obtained foam is preferably from 1.2 to 1.2 in consideration of its deodorizing effect and its durability.
It is good to be 60 times, more preferably 1.5 to 50 times.

Further, known plastic additives such as reinforcing materials and fillers may be added to the deodorant resin composition of the present invention. Here, as the reinforcing material and the filler, for example, fused silica, crystalline silica, aluminum hydroxide,
Known inorganic fillers such as alumina, white carbon, and carbon black, and inorganic whiskers such as potassium titanate whiskers, calcium silicate whiskers, aluminum borate whiskers, magnesium borate whiskers, and zinc silicate whiskers can be used.

The above various deodorants of the present invention include, for example, wood,
The present invention can be applied to articles of various shapes composed of one or more materials selected from paper, metal, ceramics, synthetic resin, and natural, synthetic or semi-synthetic fibers.

When the deodorant of the present invention is in the form of a powder, it can be used, for example, as an additive for a synthetic resin to form a molded article of an appropriate shape such as a film or a sheet. Further, the deodorant of the present invention in the form of a powder can be added to a surface finishing paint such as a building material.

Specific uses of the deodorant of the present invention in the form of a solution or a dispersion include, for example, plywood such as paper, fiber, textile, wood (mainly veneer, MDF plywood (medium fiber board), etc.).
Building materials such as decorative boards and ceiling boards), and processing agents such as resin molded articles. Paper, fiber, resin molded products (for example,
To treat the film or sheet), the deodorant of the present invention in the form of a solution or a dispersion may be applied or impregnated. For example, if a nonwoven fabric is treated, it is useful as an air filter of an air conditioner or an air purifier.

Specific applications of the deodorant of the present invention in the form of an emulsion include, for example, adhesives, papers (paper, wallpaper, etc.), fibers, wood (mainly plywood, MDF plywood (medium fiber board)) And surface treatment agents for resin molded products (mainly films and sheets), additives to synthetic resins, and the like. The adhesive is a resin emulsion (particularly preferably a vinyl acetate resin emulsion,
An acrylic resin-based emulsion, a styrene-butadiene copolymer emulsion, etc.) or an aqueous starch solution are mixed with the deodorant of the present invention in the form of an emulsion, preferably the deodorant of the present invention in the form of an emulsion. fiber,
The treatment of paper, wood, resin molded articles and the like is performed by applying or impregnating the deodorant of the present invention in the form of an emulsion.

For applying or impregnating the deodorant of the present invention to articles of various shapes, known methods can be employed.
Methods such as brush coating, spray coating, and dipping can be used. The amount of application or impregnation of the deodorant of the present invention is not particularly limited, and the type and amount of the deodorant component which is an active ingredient and the surfactant to be added as necessary, and the amount of the article to be applied or impregnated. may be suitably selected from a wide range depending on the application or the like, usually, the present invention deodorant unit area (1 cm ²⁾ per
It may be applied or impregnated so as to be about 1 mg to 1 g, preferably about 10 mg to 100 mg.

After application or impregnation of the deodorant of the present invention to a substrate, drying may be carried out according to ordinary methods such as, for example, air drying, drying using a drier, and drying in a drier such as a thermostat. I just need.

As one of more specific applications, application to wallpaper will be described by taking as an example a sheet composed of a synthetic resin sheet (for example, a vinyl chloride resin sheet) and noncombustible paper. The odorant can be mixed with synthetic resin to form a sheet, applied to the surface of the synthetic resin sheet, or impregnated or applied to noncombustible paper. Further, the deodorant of the present invention in the form of an emulsion can also be used as an adhesive when laminating a vinyl chloride resin sheet and noncombustible paper. In addition, if the nonwoven fabric is coated or impregnated with the deodorant of the present invention in the form of an emulsion, it can be used as a filter for an air conditioner or an air purifier.

The deodorant of the present invention used in the form of a resin composition can be, for example, a molded article having a desired shape. Specific examples of the molded product include, for example, an air filter, a film, and a sheet for an air conditioner or an air purifier. Preferred synthetic resins at this time are, for example, polyolefins such as polypropylene and polyethylene. Further, the deodorant of the present invention in the form of a resin composition,
It can also be used as an adhesive. Preferred synthetic resins at this time include, for example, thermosetting resins such as urea resins, phenol resins, and furan resins.

The deodorant of the present invention can be further used as a paint, especially an indoor paint.

[0087]

The present invention will be specifically described below with reference to examples and comparative examples.

Example 1 A 300 ml conical beaker was charged with 0.1 g of the deodorant of the present invention shown in Table 1 below, and then 3 μl of a 0.9% by weight aqueous solution of formaldehyde was added to the deodorant using a microsyringe. It was inserted so as not to touch, and immediately sealed with a Ciron film (manufactured by Fuji Photo Film Co., Ltd.). The formaldehyde concentration in the beaker immediately after sealing with a Ciron film was about 30 ppm. This at room temperature 2
Leave for 4 hours, and formaldehyde residual concentration (ppm)
The gas detector tube (Kitakawa gas detector tube No. 1)
71SB) and measured with a gas detector (Kitakawa vacuum gas detector). As a blank, the residual concentration of formaldehyde (pp.
m) with time. Table 1 shows the results.

[0089]

[Table 1]

Example 2 A 1,2,4-triazole (deodorant component) and the following surfactant were dissolved in water to produce a deodorant of the present invention.
The concentration of 1,2,4-triazole was 1 or 3% by weight, and the concentration of the surfactant was 1% by weight.

No. 1: polyoxyethylene alkyl ether sulfate sodium salt (sulfate ester type anionic surfactant, trade name; Newcalgen A-28B,
No. Takemoto Oil & Fat Co., Ltd.) 2: Sodium alkylnaphthalene sulfonate (sulfonic acid type anionic surfactant, trade name; Newcalgen BX-C, manufactured by Takemoto Yushi Co., Ltd.) 3: Polyoxyethylene alkyl ether (polyoxyethylene alkyl ether type nonionic surfactant, trade name; Newcalgen D-1208, manufactured by Takemoto Yushi Co., Ltd.).

Example 3 A deodorant of the present invention was produced in the same manner as in Example 2 except that no surfactant was used.

Test Example 1 The compositions obtained in Examples 2 and 3 were evaluated for their deodorizing performance according to the following method in accordance with "Japanese Agricultural Standards, Normal Plywood, Formaldehyde Emission".

(1) Preparation of Sample A commercially available plywood (plywood or MDF plywood) was used.
10 mm pieces each of a rectangular shape having a width of 0 mm and a width of 50 mm were cut out, immersed in the various deodorants obtained in Examples 2 and 3 for 15 seconds, taken out, and air-dried overnight, and 10 pieces of each sample were obtained. It was created.

(2) Collection of formaldehyde A crystal dish having a diameter of 120 mm and a height of 60 mm containing 300 ml of distilled water was placed on the bottom of a desiccator having a size of 240 mm specified in JSI R 3503, and a supporting bracket was placed thereon. Each of the 10 test pieces was fixed so as not to come into contact with each other, and then at room temperature (20 to 25 ° C.) for 24 hours.
After leaving for 1 month or 3 months, formaldehyde released from the plywood as a test piece was absorbed in distilled water to obtain a sample solution. In Table 1 below, in the term of the elapsed period, “immediately after processing” means “after 24 hours of standing”. The same applies to the following tables.

(3) Determination of formaldehyde concentration Formaldehyde concentration in sample solution (mg / liter)
Was colorimetrically determined by the acetylacetone method using a spectrophotometer or a photoelectric colorimeter. The colorimetric determination was carried out according to the method described in detail in "Japanese Agricultural Standards, Normal Plywood, Formaldehyde Emission".

The results (formaldehyde concentration (mg / liter) = formaldehyde concentration released from the plywood of the sample) are shown in Table 2.

[0098] As a blank, the concentration of formaldehyde released from untreated plywood is also described. The blank value is the same value in each of the following tables.

[0099]

[Table 2]

Table 2 shows that the addition of a sulfate ester type anionic surfactant or a sulfonic acid type anionic surfactant can maintain the deodorant performance of the deodorant of the present invention for a longer period of time. I understand.

Example 4 The same procedure as in Example 2 was carried out except that 3,5-dimethylpyrazole was used instead of 1,2,4-triazole as the deodorant component, and the concentration was only 1% by weight. Thus, the deodorant of the present invention was produced.

Example 5 A deodorant of the present invention was produced in the same manner as in Example 4 except that no surfactant was used.

Test Example 2 In the same manner as in Test Example 1, the formaldehyde release concentration (mg
/ Liter), and the deodorizing performance of the various deodorants obtained in Examples 3 and 4 was evaluated. Table 3 shows the results.

[0104]

[Table 3]

Example 6 A deodorant of the present invention was produced in the same manner as in Example 1 except that 1-aminopyrrolidine was used instead of 1,2,4-triazole as a deodorant component.

Example 7 A deodorant of the present invention was produced in the same manner as in Example 6, except that no surfactant was used.

Test Example 3 In the same manner as in Test Example 1, the formaldehyde release concentration (mg
/ Liter), and the deodorizing performance of the various deodorants obtained in Examples 6 and 7 was evaluated. Table 4 shows the results.

[0108]

[Table 4]

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-4-293474 (JP, A) JP-A-2-152459 (JP, A) JP-A-4-330935 (JP, A) JP-A-9-99 322929 (JP, A) JP-A-9-322930 (JP, A) JP-A-10-204211 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) A61L 9/01 B01J 20 /twenty two

Claims (5)

(57) [Claims] 1. A triazole compound, a pyrazole compound
A deodorant for removing aldehydes, comprising as an active ingredient at least one compound selected from a product, a pyrazolone compound, a pyridazine compound and a 1-aminopyrrolidine compound. 2. The deodorant according to claim 1, which is in the form of a powder, a solution, a dispersion or an emulsion. 3. The deodorant according to claim 1, further comprising a surfactant. 4. The deodorant according to claim 3 , wherein the surfactant is at least one selected from a sulfate ester type anionic surfactant and a sulfonic acid type anionic surfactant. 5. A deodorant resin composition comprising the deodorant according to claim 2 and a synthetic resin.