JP2002363592A - Rust-preventive oil composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rust-preventive oil composition which has a sufficiently high rust-prevention property without using any barium or zinc rust preventive nor any film-forming agent such as alkylene oxide adducts of alkyl phenols, etc., and is sufficiently safe against the human body and the ecosystem. SOLUTION: The rust-preventive oil composition contains, in a base oil comprising a mineral oil and/or a synthetic oil, from 1 to 10 mass % alkaline metal sulfonate, alkaline earth metal sulfonate (except for barium sulfonate) or amine sulfonate, and has a content of a compound having a group of formula (1) (wherein R<1> is an alkyl group; R<2> is an alkylene group; and m and n are each an integer) of <=1,000 mass ppm. Here, the contents of barium, zinc, chlorine and lead are each <=1,000 mass ppm.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rust-preventive oil composition, and more particularly to a rust-preventive oil composition which is useful when used for metal members such as steel plates and bearings.

[0002]

2. Description of the Related Art Conventionally, in the field of metal members such as steel plates and bearings, rust-preventive oil compositions have been used to prevent rust of members, among which barium (Ba) or zinc (Zn) -based oil compositions are used. Anti-rust oil compositions containing anti-rust agents have excellent anti-rust properties and have become mainstream. Further, as described in JP-A-9-279368 and the like, as a technique for improving the rust-preventing property of a rust-preventing oil composition containing a calcium (Ca) -based rust-preventing agent, an alkylphenol oxide adduct of an alkylphenol is used. A technique using a film-forming agent such as a derivative of the above is also known.

However, in the above-mentioned conventional rust-preventive oil composition, compounds such as a rust inhibitor and a film-forming agent, and elements such as chlorine (Cl) mixed in the production process thereof, contain:
There is a concern that a human body or an ecosystem may be adversely affected by producing a predetermined substance as it is or when disposed or incinerated.

[0004] In order to avoid such a phenomenon, research has been conducted to obtain a sufficiently high rust-preventive property without using a film-forming agent such as a barium- or zinc-based rust inhibitor or an alkylphenol oxide adduct of alkylphenol. However, there has not yet been developed any one which can obtain rust-preventing property equal to or higher than that of a conventional rust-preventing oil composition.

[0005] Further, in the case of undergoing a step of degreasing with an alkaline degreasing agent, such as an automobile body or an electric appliance body, rust preventive oil is required to have good degreasing properties. It was technically difficult to meet both at a high level at the same time.

Further, rust preventive oil is generally applied to a metal plate material such as a steel plate for an automobile body or a body of an electric product at the time of shipment. At this time, the metal plate material is pressed. Immediately before, a cleaning step is performed to remove foreign substances, and at this time, a cleaning agent imparted with rust prevention may be used. In addition, bearing parts are subjected to a cleaning process to remove foreign matter after processing, and then coated with rust-preventive oil before being shipped. is there. These rust-preventing cleaning agents (cleaning rust-preventing oils) are required to have both excellent foreign matter removal capability (hereinafter, referred to as "cleaning capability") and rust-preventing capability. At the same time it was technically difficult to fully satisfy.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and does not use a film-forming agent such as a barium or zinc rust inhibitor or an alkylphenol oxide adduct of alkylphenol. It is an object of the present invention to provide a rust-preventive oil composition having a sufficiently high rust-preventing property and a sufficiently high safety against the human body and ecosystem.

[0008]

Means for Solving the Problems The inventors of the present invention have made intensive studies to solve the above problems, and as a result, in a rust preventive oil composition, a sulfonate having a specific structure as a rust inhibitor has a specific concentration. It has been found that the above problems can be solved by controlling the content of each of the elements such as barium, zinc, chlorine and lead and the alkylene oxide adduct of alkylphenol to a specific concentration. It was completed.

That is, the rust inhibitor oil composition of the present invention comprises:
In a base oil composed of mineral oil and / or synthetic oil, an alkali metal sulfonic acid salt, an alkaline earth metal sulfonic acid salt (however,
Barium sulphonate) and at least one sulphonate selected from the group consisting of sulphonic acid amine salts in an amount of 1 to 10% by mass based on the total amount of the composition,
The contents of zinc, chlorine and lead are each 1000 ppm or less based on the total amount of the composition in terms of elements, and the following general formula (1):

Embedded image [In the formula (1), R ¹ represents an alkyl group having 1 to 24 carbon atoms, R ² represents an alkylene group having 2 to 4 carbon atoms, and m represents 1
Represents an integer of from 5 to 5, and n represents an integer of from 1 to 6].

In the present invention, the sulfonate is
A dialkylnaphthalenesulfonic acid salt in which two alkyl groups bonded to the naphthalene ring have a total carbon number of 14 to 30;
Two alkyl groups bonded to the benzene ring are each a linear alkyl group or a branched alkyl group having one side chain methyl group, and the total number of carbon atoms of the two alkyl groups is 1
It is preferably at least one selected from the group consisting of a dialkylbenzene sulfonate having 4 to 30; and a monoalkylbenzene sulfonate having 15 or more carbon atoms in the alkyl group bonded to the benzene ring.

In the present invention, the sulfonate has an alkyl group bonded to a benzene ring having 15 carbon atoms.
The monoalkylbenzene sulfonate described above is preferable.

Further, in the present invention, the content of the monoalkylbenzenesulfonate having one alkyl group having 13 or less carbon atoms is preferably 1% by mass or less based on the total amount of the composition.

Further, in the present invention, the content of the alkylbenzene sulfonate having an alkyl group derived from an oligomer of propylene is preferably 1% by mass or less based on the total amount of the composition.

Furthermore, in the present invention, the following (A) to (F): (A) a partial ester of a polyhydric alcohol; (B) an alkali metal salt of an oxidized wax, an alkaline earth metal salt of an oxidized wax (provided that: At least one oxidized wax salt selected from the group consisting of oxidized wax barium salts) and oxidized wax amine salts; (C) esterified oxidized waxes (D) alkali metal salts of lanolin fatty acids and alkalis of lanolin fatty acids At least one lanolin fatty acid salt selected from the group consisting of earth metal salts (excluding barium salts of lanolin fatty acids) and amine salts of lanolin fatty acids; (E) esterified lanolin fatty acids; and (F) alkali of fatty acids Metal salts, alkaline earth metal salts of fatty acids (excluding barium salts of fatty acids) and amine salts of fatty acids That at least one fatty acid salt selected from the group, it is preferred that the total composition of at least one compound selected from the group containing 1 to 20 mass% further based consisting.

Furthermore, in the present invention, the sum of the contents of the compounds (A) to (F) is not greater than the content of the sulfonate 1
It is preferably 20 to 500 parts by weight with respect to 00 parts by weight.

Furthermore, in the present invention, the kinematic viscosity at 40 ° C. is preferably 7 to 400 mm ² / s.

Furthermore, in the present invention, the content of the compound having 14 or less carbon atoms in the base oil is preferably 20% by mass or less based on the total amount of the composition.

Further, in the present invention, the content of the aromatic component in the base oil is 5% based on the total amount of the composition.
It is preferably 0% by mass or less.

Further, in the present invention, the content of the compound having 10 or less carbon atoms in the base oil is preferably 20% by mass or less based on the total amount of the composition.

Furthermore, in the present invention, the total content of the compounds (A), (C), (D) and (E) is preferably 10% by mass or less based on the total amount of the composition. .

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail. The rust preventive oil composition of the present invention,
In a base oil composed of mineral oil and / or synthetic oil, an alkali metal sulfonic acid salt, an alkaline earth metal sulfonic acid salt (however,
Barium sulphonate) and at least one sulphonate selected from the group consisting of sulphonic acid amine salts in an amount of 1 to 10% by mass based on the total amount of the composition,
The contents of zinc, chlorine and lead are each 1000 ppm or less based on the total amount of the composition in terms of elements, and the following general formula (1):

Embedded image [In the formula (1), R ¹ represents an alkyl group having 1 to 24 carbon atoms, R ² represents an alkylene group having 2 to 4 carbon atoms, and m represents 1
Represents an integer of from 5 to 5, and n represents an integer of from 1 to 6].

Each of the sulfonates according to the present invention has sufficiently high safety to the human body and ecosystem, and includes an alkali metal, an alkaline earth metal (excluding barium) or an amine and a sulfonic acid. Can be obtained by reacting

Here, the alkali metals according to the present invention include sodium and potassium, and the alkaline earth metals include magnesium and calcium.
Among them, sodium, potassium and calcium are preferable.

The amine according to the present invention includes monoamine, polyamine, alkanolamine and the like. Specific examples of the monoamine include monomethylamine, dimethylamine, trimethylamine, monoethylamine, diethylamine, triethylamine, monopropylamine (including all isomers), dipropylamine (including all isomers), and triamine. Propylamine (including all isomers), monobutylamine (including all isomers), dibutylamine (including all isomers), tributylamine (including all isomers), monopentylamine (including all isomers) Dipentylamine (including all isomers), dipentylamine (including all isomers), monohexylamine (including all isomers), dihexylamine (including all isomers) ), Monoheptylamine (including all isomers), diheptylamine (including all isomers) , (Including all isomers) mono octylamine (including all isomers) di-octylamine, mono-nonyl amine (including all isomers),
Monodecylamine (including all isomers), monoundecyl (including all isomers), monododecylamine (including all isomers), monotridecylamine (including all isomers), monotetradecyl Amines (including all isomers), monopentadecylamine (including all isomers), monohexadecylamine (including all isomers), monoheptadecylamine (including all isomers), mono Octadecylamine (including all isomers), monononadecylamine (including all isomers),
Monoicosylamine (including all isomers), monohenicosylamine (including all isomers), monodocosylamine (including all isomers), monotricosylamine (including all isomers) , Dimethyl (ethyl) amine,
Dimethyl (propyl) amine (including all isomers),
Dimethyl (butyl) amine (including all isomers), dimethyl (pentyl) amine (including all isomers), dimethyl (hexyl) amine (including all isomers), dimethyl (heptyl) amine (including all isomers) Dimethyl (octyl) amine (including all isomers), dimethyl (nonyl) amine (including all isomers), dimethyl (decyl) amine (including all isomers), dimethyl (including all isomers) Undecyl) amine (including all isomers), dimethyl (dodecyl) amine (including all isomers), dimethyl (tridecyl) amine (including all isomers), dimethyl (tetradecyl) amine (all isomers) ), Dimethyl (pentadecyl) amine (including all isomers), dimethyl (hexadecyl) amine (including all isomers), dimethyl (Heptadecyl) amine (including all isomers), dimethyl (octadecyl) amine (including all isomers), dimethyl (nonadecyl) amine (including all isomers), dimethyl (icosyl) amine (including all isomers) Body), dimethyl (henicosyl)
Alkylamines such as amines (including all isomers), dimethyl (tricosyl) amine (including all isomers); monovinylamine, divinylamine, trivinylamine, monopropenylamine (including all isomers);
Dipropenylamine (including all isomers), tripropenylamine (including all isomers), monobutenylamine (including all isomers), dibutenylamine (including all isomers), tributenylamine (Including all isomers), monopentenylamine (including all isomers), dipentenylamine (including all isomers), tripentenylamine (including all isomers), monohexenylamine (including all isomers) ), Dihexenylamine (including all isomers), monoheptenylamine (including all isomers), diheptenylamine (including all isomers), monooctenylamine (including Dioctenylamine (including all isomers), monononenylamine (including all isomers), monodecenylamine (including all isomers) Monoundecenyl (including all isomers), monododecenylamine (including all isomers), monotridecenylamine (including all isomers), monotetradecenylamine (including ), Monopentadecenylamine (including all isomers), monohexadecenylamine (including all isomers), monoheptadecenylamine (including all isomers), mono Octadecenylamine (including all isomers), monononadecenylamine (including all isomers), monoicosenylamine (including all isomers),
Alkenylamines such as monohenicosenylamine (including all isomers), monodocosenylamine (including all isomers), and monotricosenylamine (including all isomers); dimethyl (vinyl) amine; Dimethyl (propenyl) amine (including all isomers), dimethyl (butenyl) amine (including all isomers), dimethyl (pentenyl) amine (including all isomers), dimethyl (hexenyl) amine (including all isomers) Dimethyl (heptenyl) amine (including all isomers), dimethyl (octenyl) amine (including all isomers), dimethyl (nonenyl) amine (including all isomers), dimethyl (including all isomers) Decenyl) amine (including all isomers), dimethyl (undecenyl) amine (including all isomers),
Dimethyl (dodecenyl) amine (including all isomers), dimethyl (tridecenyl) amine (including all isomers), dimethyl (tetradecenyl) amine (including all isomers), dimethyl (pentadecenyl) amine (including all isomers) Isomer), dimethyl (hexadecenyl)
Amine (including all isomers), dimethyl (heptadecenyl) amine (including all isomers), dimethyl (octadecenyl) amine (including all isomers), dimethyl (nonadecenyl) amine (including all isomers) ), Alkyl and alkenyl groups such as dimethyl (icocenyl) amine (including all isomers), dimethyl (henicosenyl) amine (including all isomers), dimethyl (tricosenyl) amine (including all isomers) A monoamine having: monobenzylamine, (1-phenylethyl) amine, (2-phenylethyl) amine (alias: monophenethylamine), dibenzylamine, bis (1-phenylethyl) amine, bis (2-phenylethylene) amine ( Other names: aromatic substituted alkylamines such as diphenethylamine); monocyclo Nchiruamin, di cyclopentylamine, tri cyclopentylamine, mono- cyclohexylamine, dicyclohexylamine, mono- cycloheptylamine, carbon atoms such as di cycloheptylamine 5-16
Cycloalkylamine; dimethyl (cyclopentyl)
Monoamines having an alkyl group and a cycloalkyl group such as amine, dimethyl (cyclohexyl) amine and dimethyl (cycloheptyl) amine; (methylcyclopentyl) amine (including all substituted isomers), bis (methylcyclopentyl) amine (all Including substituted isomers),
(Dimethylcyclopentyl) amine (including all substituted isomers), bis (dimethylcyclopentyl) amine (including all substituted isomers), (ethylcyclopentyl) amine (including all substituted isomers), bis (ethylcyclopentyl) ) Amine (including all substituted isomers), (methylethylcyclopentyl) amine (including all substituted isomers), bis (methylethylcyclopentyl) amine (including all substituted isomers), (diethylcyclopentyl) amine (Including all substituted isomers), (methylcyclohexyl) amine (including all substituted isomers), bis (methylcyclohexyl) amine (including all substituted isomers), (dimethylcyclohexyl) amine (including all substituted isomers) Isomers), bis (dimethylcyclohexyl) amine (all substitutions ), (Ethylcyclohexyl) amine (including all substituted isomers), bis (ethylcyclohexyl) amine (including all substituted isomers), (methylethylcyclohexyl) amine (including all substituted isomers) ), (Diethylcyclohexyl) amine (including all substituted isomers), (methylcycloheptyl) amine (including all substituted isomers), bis (methylcycloheptyl) amine (including all substituted isomers),
(Dimethylcycloheptyl) amine (including all substituted isomers), (ethylcycloheptylamine (including all substituted isomers), (methylethylcycloheptyl) amine (including all substituted isomers), (diethyl And alkylcycloalkylamines such as cycloheptyl) amine (including all substituted isomers), etc. The monoamine according to the present invention also includes monoamines derived from fats and oils (such as tallowamine).

Examples of the polyamine according to the present invention include ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine, propylenediamine, dipropylenetriamine, tripropylenetetramine, and tetrapropylenepentamine. , Pentapropylenehexamine, butylenediamine, dibutylenetriamine,
Tributylenetetramine, tetrabutylenepentamine,
Alkylenepolyamines such as pentabutylenehexamine;
N-methylethylenediamine, N-ethylethylenediamine, N-propylethylenediamine (including all isomers), N-butylethylenediamine (including all isomers), N-pentylethylenediamine (including all isomers), N -Hexylethylenediamine (including all isomers), N-heptylethylenediamine (including all isomers), N-octylethylenediamine (including all isomers), N-nonylethylenediamine (including all isomers) , N-decylethylenediamine (including all isomers), N-undecyl (including all isomers), N-dodecylethylenediamine (including all isomers), N-tridecylethylenediamine (including all isomers) N-tetradecylethylenediamine (including all isomers), Pentadecylethylenediamine (including all isomers), N-hexadecylethylenediamine (including all isomers), N-heptadecylethylenediamine (including all isomers), N-octadecylethylenediamine (all isomers) ), N-nonadecylethylenediamine (including all isomers), N-
Icosylethylenediamine (including all isomers), N
N-alkyl ethylenediamines such as henycosylethylenediamine (including all isomers), N-docosylethylenediamine (including all isomers), N-tricosylethylenediamine (including all isomers); Vinylethylenediamine, N-propenylethylenediamine (including all isomers), N-butenylethylenediamine (including all isomers), N-pentenylethylenediamine (including all isomers), N-hexenylethylenediamine (all N-heptenylethylenediamine (including all isomers), N-octenylethylenediamine (including all isomers), N-nonenylethylenediamine (including all isomers), N-
Decenylethylenediamine (including all isomers), N
-Undecenyl (including all isomers), N-dodecenylethylenediamine (including all isomers), N-tridecenylethylenediamine (including all isomers), N
-Tetradecenylethylenediamine (including all isomers), N-pentadecenylethylenediamine (including all isomers), N-hexadecenylethylenediamine (including all isomers), N-hepta Decenylethylenediamine (including all isomers), N-octadecenylethylenediamine (including all isomers), N-nonadecenylethylenediamine (including all isomers), N-
Icosenyl ethylenediamine (including all isomers),
N-alkenyls such as N-henicosenylethylenediamine (including all isomers), N-docosenylethylenediamine (including all isomers), N-tricosenylethylenediamine (including all isomers) Ethylenediamine; N-alkyldiethylenetriamine, N-alkenyldiethylenetriamine, N-alkyltriethylenetetramine, N-alkenyltriethylenetetramine, N
-Alkyltetraethylenepentamine, N-alkenyltetraethylenepentamine, N-alkylpentaethylenehexamine, N-alkenylpentaethylenehexamine, N-alkylpropylenediamine, N-alkenylpropylenediamine, N-alkyldipropylenetriamine, N- Alkenyldipropylenetriamine, N-alkyltripropylenetetramine, N-alkenyltripropylenetetramine, N-alkyltetrapropylenepentamine, N-alkenyltetrapropylenepentamine, N-alkylpentapropylenehexamine, N-alkenylpentapropylenehexamine, N -Alkyl butylene diamine, N-alkenyl butylene diamine, N
-Alkyldibutylenetriamine, N-alkenyldibutylenetriamine, N-alkyltributylenetetramine, N-alkenylbutyrylenetetramine, N-alkyltetrabutylenepentamine, N-alkenyltetrabutylenepentamine, N-alkylpentavylenehexamine, N-alkyl or N-alkenyl alkylene polyamines such as N-alkenyl pentabutylene hexamine; and the like. The polyamine according to the present invention also includes polyamines derived from fats and oils (such as beef tallow polyamine).

The alkanolamines according to the present invention include, specifically, monomethanolamine, dimethanolamine, trimethanolamine, monoethanolamine, diethanolamine, triethanolamine, mono (n-propanol) amine, (N-propanol) amine, tri (n-propanol) amine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, monobutanolamine (including all isomers), dibutanolamine (including all isomers) , Tributanolamine (including all isomers), monopentanolamine (including all isomers), dipentanolamine (including all isomers), tripentanolamine (including all isomers) ), Monohexanolamine Including all isomers), di hexanol amine (including all isomers),
Monoheptanolamine (including all isomers), diheptanolamine (including all isomers), monooctanolamine (including all isomers), monononanolamine (including all isomers), Monodecanolamine (including all isomers), monoundecanolamine (including all isomers), monododecanolamine (including all isomers), monotridecanolamine (including all isomers) ), Monotetradecanolamine (including all isomers), monopentadecanolamine (including all isomers), monohexadecanolamine (including all isomers), diethylmonoethanolamine , Diethyl monopropanolamine (including all isomers), diethyl monobutanolamine (including all isomers), diethyl monopropanolamine Tanolamine (including all isomers), dipropylmonoethanolamine (including all isomers), dipropylmonopropanolamine (including all isomers), dipropylmonobutanolamine (including all isomers) Dibutyl monopentanolamine (including all isomers), dibutyl monoethanolamine (including all isomers), dibutyl monopropanolamine (including all isomers), dibutyl monobutanolamine (including all isomers) Isomer), dibutylmonopentanolamine (including all isomers), monoethyldiethanolamine, monoethyldipropanolamine (including all isomers), monoethyldibutanolamine (including all isomers) Monoethyldipentanolamine (including all isomers), monoethyldipentanolamine B pills diethanolamine (including all isomers), (including all isomers) monopropyl dipropanolamine, monopropyl di butanol amine (including all isomers),
Monopropyldipentanolamine (including all isomers), monobutyldiethanolamine (including all isomers), monobutyldipropanolamine (including all isomers), monobutyldibutanolamine (including all isomers) Isomer, monobutyldipentanolamine (including all isomers), monocyclohexylmonoethanolamine, monocyclohexyldiethanolamine, monocyclohexylmonopropanolamine (including all isomers), monocyclohexyldipropanolamine (including all isomers) All isomers), and the like.

Among the above-mentioned amines, monoamines are preferred because of their good stain resistance. Among the monoamines, monoamines having an alkylamine, an alkyl group and an alkenyl group, monoamines having an alkyl group and a cycloalkyl group, and cycloalkyls Amines and alkylcycloalkylamines are more preferred. Further, amines having a total carbon number of 3 or more in the amine molecule are preferable in terms of good stain resistance, and amines having a total carbon number of 5 or more are more preferable.

On the other hand, as the sulfonic acid according to the present invention, a conventionally known one produced by a conventional method can be used. More specifically, from a sulfonated alkyl aromatic compound of a lubricating oil fraction of a mineral oil, a petroleum sulfonic acid such as so-called mahoganic acid by-produced during the production of white oil, or an alkylbenzene production plant that is a raw material for detergents and the like. Synthesis of sulfonated alkylbenzenes having linear or branched alkyl groups, sulfonated alkylnaphthalenes such as dinonylnaphthalene, etc. obtained by by-products or alkylation of polyolefins to benzene. Sulfonic acid and the like. Although the molecular weight of these sulfonic acids is not particularly limited, those having a molecular weight of preferably 100 to 1500, more preferably 200 to 700 are used.

Among the above sulfonic acids, dialkylnaphthalenesulfonic acid in which the total number of carbon atoms of two alkyl groups bonded to a naphthalene ring is 14 to 30; two alkyl groups bonded to a benzene ring are each a linear alkyl group or A branched alkyl group having one side chain methyl group,
And at least one selected from the group consisting of a dialkylbenzene sulfonic acid in which the total number of carbon atoms of two alkyl groups is 14 to 30;
Preferably, a seed is used.

As described above, the dialkylnaphthalenesulfonic acid suitably used in the present invention has two alkyl groups bonded to the naphthalene ring each having a total carbon number of 14 to 30. If the total carbon number of the two alkyl groups is less than 14, the emulsifying properties tend to be insufficient, while if it exceeds 30, the storage stability of the resulting rust-preventive oil composition tends to decrease. Each of the two alkyl groups may be linear or branched. The number of carbon atoms of each alkyl group is not particularly limited as long as the total number of carbon atoms of the two alkyl groups is 14 to 30, but the number of carbon atoms of each alkyl group is preferably 6 to 18.

As described above, the dialkylbenzenesulfonic acid preferably used in the present invention is a branched alkyl group in which two alkyl groups bonded to a benzene ring each have one linear alkyl group or one side chain methyl group. It is an alkyl group, and the total number of carbon atoms of the two alkyl groups is 14 to 30. In the case of monoalkylbenzene sulfonic acid, as described later, it can be suitably used as long as the alkyl group has 15 or more carbon atoms. The storage stability of the composition tends to decrease.
Also, when an alkylbenzene sulfonic acid having three or more alkyl groups is used, the storage stability of the rust preventive oil composition tends to decrease. Further, the alkyl group bonded to the benzene ring of the dialkylbenzene sulfonic acid has a branched structure other than the side chain methyl group, such as a branched chain alkyl group having a side chain ethyl group.
When it is a branched alkyl group having two or more branched structures (for example, a branched alkyl group derived from an oligomer of propylene, etc.), it may adversely affect the human body or ecosystem, and rust. The stopping properties tend to be insufficient. Furthermore, the total number of carbon atoms of the two alkyl groups bonded to the benzene ring of dialkylbenzenesulfonic acid is 1
If it is less than 4, the demulsifying properties tend to decrease, while
If it exceeds 30, the storage stability of the rust inhibitor oil composition tends to decrease. The number of carbon atoms of each alkyl group is not particularly limited as long as the total number of carbon atoms of the two alkyl groups bonded to the benzene ring is 14 to 30, but the number of carbon atoms of each alkyl group is 6 to 18 respectively. Is preferred.

Further, as described above, the monoalkylbenzenesulfonic acid suitably used in the present invention is one in which one alkyl group bonded to the benzene ring has 15 or more carbon atoms. When the number of carbon atoms of the alkyl group bonded to the benzene ring is less than 15, the storage stability of the obtained rust preventive oil composition tends to decrease. The alkyl group bonded to the benzene ring may be linear or branched as long as it has 15 or more carbon atoms.

Specific examples of the sulfonate obtained by using the above-mentioned raw materials include the following. That is, alkali metal bases (such as alkali metal oxides and hydroxides), alkaline earth metal bases (such as alkaline earth metal oxides and hydroxides), and amines (such as ammonia, alkylamines and alkanolamines) ) With sulfonic acid; neutral (normal salt) sulfonate obtained by reacting the above neutral (normal salt) sulfonate with an excess alkali metal base, alkaline earth metal base or amine in the presence of water Basic sulfonate obtained by heating under the above conditions; carbonate obtained by reacting the above-mentioned neutral (normal salt) sulfonate with an alkali metal base, alkaline earth metal base or amine in the presence of carbon dioxide gas Overbased (ultrabasic) sulfonate; the above neutral (normal salt) sulfonate is converted to an alkali metal base, alkaline earth metal base or amine. And boric acid obtained by a reaction with a boric acid compound such as boric acid or boric anhydride, or a reaction between the above carbonate overbased (ultrabasic) sulfonate and a boric acid compound such as boric acid or boric anhydride. Salt overbased (ultrabasic) sulfonates, and mixtures thereof.

When the above neutral (normal salt) sulfonate is produced, the same alkali metal, alkaline earth metal or amine chloride as the target sulfonate is added as a reaction accelerator, Preparation of an alkali metal, alkaline earth metal or amine neutral (normal salt) sulfonate different from the sulfonate to be formed, followed by addition of the same alkali metal alkaline earth metal or amine chloride as the desired sulfonate for exchange reaction The desired sulfonate can also be obtained by carrying out. However, chloride ions easily remain in the sulfonate obtained by such a method, and therefore, in the present invention, the sulfonate obtained by such a method is not used, or the obtained sulfonate is not used. It is preferable to perform a sufficient washing treatment such as washing with water. Specifically, the chlorine concentration in the sulfonate is preferably 200 mass ppm or less, more preferably 100 mass ppm or less,
50 mass ppm or less, preferably 25 mass p
pm or less is particularly preferred.

A dialkylnaphthalenesulfonate in which the total number of carbon atoms of the two alkyl groups bonded to the naphthalene ring is 14 to 30; A dialkylbenzene sulfonate having a total number of carbon atoms of 14 to 30 which is a branched alkyl group having two carbon atoms;
It is preferable to use at least one selected from the group consisting of monoalkylbenzene sulfonates having 5 or more.

The content of the sulfonate according to the present invention is
As described above, 1 to 10 based on the whole amount of the rust-preventive oil composition.
% By mass. When the content of the sulfonic acid salt according to the present invention is less than 1% by mass, the rust-preventing property becomes insufficient. For the same reason, the content of the sulfonate is preferably 2% by mass or more, more preferably 4% by mass or more based on the whole amount of the rust-preventive oil composition. On the other hand, the content of the sulfonate according to the present invention is 10% by mass.
If it exceeds 300, the effect of improving the rust-preventing property corresponding to the content is not observed. And for the same reason, the content of the sulfonic acid according to the present invention is preferably 9% by mass or less, more preferably 8% by mass or less based on the whole amount of the rust-preventive oil composition.

The term "sulfonate content" as used in the present invention refers to the net sulfonate content. That is,
In the case of a neutral (normal salt) sulfonate, the content of the sulfonate itself is the content of the sulfonate, and the basic sulfonate, carbonate overbased (ultrabasic) sulfonate and borate overbased (ultrabase) In the case of (sulfonate), the content of the neutral (normal salt) sulfonate excluding the basic salt contained in excess is the content of the sulfonate.

In the present invention, a commercially available solution in which the above sulfonate is dissolved in a carrier oil in an amount of about 20 to 60% by mass may be used. In the case of using such an embodiment, the amount of the solution in which the net sulfonate has a desired amount (for example, in the case of a 50% by mass solution, the amount of the solution is twice the desired amount).
By weighing and blending, the desired blending amount can be adjusted.

In the rust preventive oil composition of the present invention, the contents of barium, zinc, chlorine and lead are each 1000 ppm by mass based on the total amount of the rust preventive oil composition in terms of element.
m or less. If the content of any one of these elements exceeds 1000 ppm by mass, the safety to the environment such as the human body or ecosystem becomes insufficient. For the same reason, the content of barium, zinc, chlorine and lead is preferably not more than 500 ppm by mass,
It is more preferably at most 00 mass ppm, more preferably at most 50 mass ppm, and at most 10 mass p.
pm or less, more preferably 5 ppm by mass.
It is most preferred that:

The content of the element in the present invention is defined as
It refers to a value measured by the following method. That is, the barium, zinc and lead content is defined as ASTM D 5185-95 "
Standard Test Method for Determination of Additive
Elements, Wear Metals, and Contaminants in Used L
ubricating Oils and Determination of Selected Elem
ents in Base Oils by Inductively Coupled Plasma At
omic Emission Spectrometry (ICP-AES) "; Chlorine content means" IP PRPOSED METHOD AK / 81 Determination of ch
lorine-Microcoulometery oxidative method ", which means the content [ppm by mass] based on the total amount of the composition. The detection limit of each element in the above-mentioned measuring method is usually 1 ppm by mass.

Further, in the rust preventive oil composition of the present invention, the following general formula (1):

Embedded image [In the formula (1), R ¹ represents an alkyl group having 1 to 24 carbon atoms, R ² represents an alkylene group having 2 to 4 carbon atoms, and m represents 1
Represents an integer of from 5 to 5, and n represents an integer of from 1 to 6]. The content of the compound having a group represented by the formula: The content of the compound having a group represented by the general formula (1) is 1000 mass ppm.
If it exceeds, the safety to the environment such as the human body and ecosystem becomes insufficient. For the same reason, the content of the compound having a group represented by the general formula (1) is preferably 500 ppm by mass or less, and more preferably 100 ppm by mass.
The content is more preferably not more than 50 mass ppm, further preferably not more than 10 mass%, and most preferably not more than 5 mass ppm.

The compound having a group represented by the general formula (1) includes the following general formulas (2) to (4): AH (2) AR ³ (3)

Embedded image [In the formulas (2) to (4), A represents a group represented by the general formula (1), and R ³ represents a hydrocarbon group having 1 to 24 carbon atoms or an acyl group having 1 to 24 carbon atoms] The compound represented by is mentioned.

When the elements such as barium, zinc and chlorine and the compound having the group represented by the general formula (1) are contained in the raw materials such as the sulfonate and the base oil used in the present invention, Alternatively, when the rust-preventing oil composition is mixed in the production process, the above elements and compounds can be removed by purifying the raw material or the rust-preventing oil composition by an ordinary method. In addition, in the production process of the base oil and additives used in the present invention, the production equipment should not be shared with the production process of other base oils and additives, and if shared, perform sufficient washing, As described in the method for producing a sulfonate, the use of a sulfonate having a low concentration of chlorides and the like is used. Can be prevented.

[0044] The base oil used for the rust preventive oil of the present invention
In this case, mineral oil, synthetic oil or a mixture thereof is used.

As the mineral oil used in the present invention, specifically, a lubricating oil fraction obtained by atmospheric distillation and vacuum distillation of crude oil is subjected to solvent removal, solvent extraction,
Examples include paraffinic or naphthenic mineral oils obtained by appropriately combining one or more purification means of hydrocracking, solvent dewaxing, catalytic dewaxing, hydrorefining, washing with sulfuric acid, and clay treatment. Can be As the synthetic oil, polyolefin, alkylbenzene and the like are preferably used.

The polyolefin used in the present invention is obtained by homopolymerizing or copolymerizing an olefin monomer having 2 to 16 carbon atoms, preferably 2 to 12 carbon atoms, and a hydride of these polymers. Is mentioned. When the polyolefin is a copolymer of olefin monomers having different structures, there is no particular limitation on the monomer ratio or monomer arrangement in the copolymer, and among random copolymers, alternating copolymers, and block copolymers, Any of these may be used. Further, the olefin monomer may be any of an α-olefin, an internal olefin, a linear olefin, and a branched olefin. As such olefin monomers, specifically, ethylene, propylene, 1-butene, 2-butene,
Isobutene, linear or branched pentene (including α-olefins and internal olefins), linear or branched hexene (including α-olefins and internal olefins), linear or branched Heptene (including α-olefin and internal olefin), linear or branched octene (including α-olefin and internal olefin), linear or branched nonene (including α-olefin and internal olefin) ), Linear or branched decene (including α-olefins and internal olefins), linear or branched undecene (including α-olefins and internal olefins), linear or branched Dodecene (including α-olefins and internal olefins), linear or branched tridecene (including α-olefins and internal olefins),
Linear or branched tetradecene (α-olefin,
Internal olefin), linear or branched pentadecene (including α-olefin and internal olefin), linear or branched hexadecene (including α-olefin and internal olefin), and mixtures thereof Among these, ethylene, propylene, 1-butene, 2-butene, isobutene, α- having 5 to 12 carbon atoms
Olefins and mixtures thereof are preferably used. Further, among the α-olefins having 5 to 12 carbon atoms, 1-octene, 1-decene, 1-dodecene, a mixture thereof and the like are more preferable.

The above-mentioned polyolefin can be produced by a conventionally known method. Specifically, for example, it can be produced by a thermal reaction without a catalyst, and an organic peroxide catalyst such as benzoyl peroxide; aluminum chloride, aluminum chloride-polyhydric alcohol system, aluminum chloride-titanium tetrachloride system, chloride, etc. Friedel-Crafts type catalysts such as aluminum-alkyltin halides and boron fluoride;
Ziegler type catalysts such as organic aluminum chloride-titanium tetrachloride and organic aluminum-titanium tetrachloride; metallocene catalysts such as aluminoxane-zirconocene and ionic compound-zirconocene; aluminum chloride-base, boron fluoride-base The target polyolefin can be produced by homopolymerizing or copolymerizing the above olefin using a known catalyst such as a Lewis acid complex type catalyst such as a system.

The polyolefin obtained by such a method usually has a double bond. In the present invention, a polyolefin obtained by hydrogenating a double bond carbon in these polyolefins is used. It is preferably used as an oil. When a hydride of polyolefin is used, the heat and oxidation stability of the obtained rust preventive oil composition tends to be improved. The hydride of the polyolefin can be obtained, for example, by hydrogenating the polyolefin with hydrogen in the presence of a known hydrogenation catalyst to saturate the double bond present in the polyolefin. In addition, when the olefin polymerization reaction is carried out, by selecting a catalyst to be used, the polymerization of the olefin and the double bond existing in the polymer can be performed without going through two steps such as the polymerization of the olefin and the hydrogenation of the polymer. Can be completed in one step.

Among the polyolefins preferably used as the base oil in the present invention, ethylene-propylene copolymer, polybutene (butane-butene fraction (1-butene, 2-butene, Copolymers obtained by polymerization of a mixture of butenes and isobutenes), 1
-Octene oligomers, 1-decene oligomers, 1-dodecene oligomers and hydrides thereof, and furthermore, mixtures thereof are preferable because of their excellent heat / oxidation stability, viscosity-temperature characteristics, and low-temperature fluidity. Ethylene-propylene copolymer hydride, polybutene hydride, 1-
Octene oligomer hydride, 1-decene oligomer hydride, 1-dodecene oligomer hydride and mixtures thereof are more preferred. Incidentally, synthetic oils such as ethylene-propylene copolymer, polybutene and poly-α-olefin which are commercially available as base oils for lubricating oils are usually those whose double bonds have already been hydrogenated. In the invention, these commercially available products can also be used as the base oil.

The alkylbenzene preferably used as the base oil according to the present invention includes one having 1 carbon atom in the molecule.
Those having 1 to 4 alkyl groups of 40 are preferred.
As the alkyl group having 1 to 40 carbon atoms, specifically, a methyl group, an ethyl group, a propyl group (including all isomers), a butyl group (including all isomers), a pentyl group ( Hexyl group (including all isomers), heptyl group (including all isomers), octyl group (including all isomers), nonyl group (including all isomers) ), Decyl group (including all isomers), undecyl group (including all isomers), dodecyl group (including all isomers), tridecyl group (including all isomers), tetradecyl group (including all isomers) Pentadecyl group (including all isomers), hexadecyl group (including all isomers), heptadecyl group (including all isomers), octadecyl group (including all isomers) ), Including nonadecyl (all isomers), including eicosyl (all isomers),
Henycosyl group (including all isomers), docosyl group (including all isomers), tricosyl group (including all isomers), tetracosyl group (including all isomers), pentacosyl group (including all isomers) Hexacosyl group (including all isomers), heptacosyl group (including all isomers), octacosyl group (including all isomers), nonakosyl group (including all isomers), triacontyl Group (including all isomers), hentriacontyl group (including all isomers), dotriacontyl group (including all isomers), tritriacontyl group (including all isomers), tetratriacon Tyl group (including all isomers), pentatriacontyl group (including all isomers), hexatriacontyl group (including all isomers) ), Heptatriacontyl group (including all isomers), octatriacontyl group (including all isomers), nonatriacontyl group (including all isomers), tetracontyl group (including all isomers) Body). Further, the alkyl group of the alkylbenzene according to the present invention may be linear or branched, but is preferably a branched alkyl group from the viewpoint of stability, viscosity characteristics, etc., and is particularly easily available. In view of the above, a branched alkyl group derived from an oligomer of an olefin such as propylene, butene, or isobutylene is more preferable.

The number of alkyl groups in the alkylbenzene used in the present invention is preferably 1 to 4, but from the viewpoint of stability and availability, an alkylbenzene having one or two alkyl groups, ie, a monoalkylbenzene, Dialkylbenzene, or a mixture thereof, is most preferred. In addition, the alkylbenzene may be a mixture of alkylbenzenes having different structures as well as an alkylbenzene having a single structure.

The alkylbenzene according to the present invention can be produced, for example, by starting from an aromatic compound and using an alkylating agent and an alkylation catalyst. Here, as the aromatic compound used as a raw material, specifically,
Examples include benzene, toluene, xylene, ethylbenzene, methylethylbenzene, diethylbenzene, and mixtures thereof. Specific examples of the alkylating agent include lower monoolefins such as ethylene, propylene, butene, and isobutylene, preferably linear or branched olefins having 6 to 40 carbon atoms obtained by polymerization of propylene; Waxes, heavy oils, petroleum fractions, linear or branched olefins having 6 to 40 carbon atoms obtained by pyrolysis of polyethylene, polypropylene, etc .; kerosene;
Examples thereof include linear olefins having 9 to 40 carbon atoms obtained by separating n-paraffin from petroleum fractions such as gas oil and olefinating the same with a catalyst, and mixtures thereof. Further, as the alkylation catalyst for the alkylation, Friedel-Crafts type catalysts such as aluminum chloride and zinc chloride; acidic catalysts such as sulfuric acid, phosphoric acid, silicotungstic acid, hydrofluoric acid, activated clay, etc. Known catalysts are mentioned.

In the present invention, the various base oils described above may be used alone, or two or more base oils may be used as a mixture. In the rust preventive oil composition of the present invention, the content of the base oil is not particularly limited, but is usually 3 to 98% by mass, preferably 10 to 98% by mass based on the whole amount of the rust preventive oil composition. 97% by mass.

The kinematic viscosity at 40 ° C. is 0.5 to 6
mm ² / s base oil and a kinematic viscosity at 40 ° C. of 7 mm ² / s
The use of a mixed base oil prepared by mixing at least one base oil with at least one base oil tends to improve the handleability of the rust-preventive oil composition, and furthermore, the cleaning rust-preventive oil having properties as a detergent. It can be used as a composition.

When the rust-preventive oil composition of the present invention is applied to applications requiring compatibility with organic materials such as sealing materials, use a base oil having a kinematic viscosity at 40 ° C. of 6 mm ² / s or less as much as possible. It is preferable not to use, specifically, 40 ° C.
The amount of the base oil having a kinematic viscosity of 6 mm ² / s or less is preferably 10% by mass or less based on the total amount of the composition,
The kinematic viscosity at 40 ° C. is preferably 7 mm ² / s without using a base oil having a kinematic viscosity at 40 ° C. of 6 mm ² / s or less, more preferably 5% by mass or less, further preferably 2% by mass or less. Most preferably, only the above base oils are used. If the amount of the base oil having a kinematic viscosity at 40 ° C. of 6 mm ² / s or less exceeds 10% based on the total amount of the rust-preventive oil composition, the compatibility with organic materials tends to be insufficient.

Further, when the rust-preventing oil composition of the present invention is applied to an application requiring compatibility with an organic material, the content of the component having 14 or less carbon atoms in the base oil should be 20% by mass or less. Is preferably 10% by mass or less, more preferably 5% by mass or less,
The content is more preferably 1% by mass or less, and most preferably 0.5% by mass or less. Furthermore, from the viewpoint of compatibility with organic materials, the base oil containing 20% by mass or more of the component having 20 or less carbon atoms in the base oil is 40% by mass or less based on the total amount of the rust-preventive oil composition. It is preferably used. Furthermore, from the viewpoint of the working environment (odor, etc.), the content of the component having 10 or less carbon atoms in the base oil is preferably 20% by mass or less, and more preferably 10% by mass or less based on the total amount of the composition. It is more preferably at most 5% by mass, particularly preferably at most 1% by mass, most preferably at most 0.5% by mass. Here, the content of the component having 10 or less carbon atoms, the component having 14 carbon atoms or less, and the component having 20 carbon atoms or less in the base oil are the values [mass%] measured according to ASTM D2887, respectively. Say.

Further, when the rust-preventive oil composition of the present invention is applied to applications requiring compatibility with organic materials,
The content of the aromatic component in the base oil is preferably 50% by mass or less, more preferably 40% by mass or less, and even more preferably 30% by mass or less. In addition, the lower the viscosity of the base oil, the higher the possibility that the aromatic component has an adverse effect on the organic material.
^When a base oil of ² / s is used, the aromatic content is preferably 10% by mass or less, more preferably 5% by mass or less, even more preferably 3% by mass or less. The content of the aromatic component in the base oil as used herein refers to the "fluorescent indicator adsorption method (F
IA method) ".

In view of the working environment (odor, etc.), the content of the aromatic component having 12 or less carbon atoms is preferably 5% by mass or less, more preferably 1% by mass or less, and 0.1% by mass or less. More preferably 5% by mass or less,
Most preferably, it is 0.1% by mass or less. The content of the aromatic component having 12 or less carbon atoms was measured by ASTM.
It is performed by analyzing the result of gas chromatography measured according to D2887 using a mass spectrometer (mass spectrum).

In the rust-preventing oil composition of the present invention, in order to further improve the excellent rust-preventing properties, the following (A) to (F): (A) a partial ester of a polyhydric alcohol; At least one oxidized wax salt selected from the group consisting of alkali metal salts of oxidized waxes, alkaline earth metals of oxidized waxes (excluding barium salts of oxidized waxes), and amine salts of oxidized waxes; (C) esterification An oxidized wax; (D) at least one lanolin selected from the group consisting of alkali metal salts of lanolin fatty acids, alkaline earth metals of lanolin fatty acids (excluding barium salts of lanolin fatty acids) and amine salts of lanolin fatty acids. (E) esterified lanolin fatty acid; and (F) alkali metal salt of fatty acid, alkaline earth metal of fatty acid Salt (however, barium excluding salts of fatty acids) is preferably incorporated at least one compound selected from at least one fatty acid salt, consisting of the group selected from the group consisting of and amine salts of fatty acids.

The partial ester of a polyhydric alcohol as the compound (A) is an ester in which at least one or more of the hydroxyl groups in the polyhydric alcohol is not esterified and remains as a hydroxyl group. Any given polyhydric alcohol can be used, but the number of hydroxyl groups in the molecule is preferably 2 to 10 (more preferably 3 to 10).
To 6) and a polyhydric alcohol having 2 to 20 (more preferably 3 to 10) carbon atoms is suitably used.
Among these polyhydric alcohols, it is more preferable to use at least one polyhydric alcohol selected from the group consisting of glycerin, trimethylolethane, trimethylolpropane, pentaerythritol and sorbitan.

On the other hand, as the acid constituting the partial ester, any acid can be used.
To 24 (more preferably 10 to 22) fatty acids.
Here, the fatty acid used in the present invention may be a saturated fatty acid or an unsaturated fatty acid, and may be a linear fatty acid or a branched fatty acid. Specific examples of such fatty acids include hexanoic acid (including all isomers), heptanoic acid (including all isomers), octanoic acid (including all isomers), and nonanoic acid (including all isomers). Decanoic acid (including all isomers), decanoic acid (including all isomers), undecanoic acid (including all isomers), dodecanoic acid (including all isomers), tridecanoic acid (including all isomers), Tetradecanoic acid (including all isomers),
Pentadecanoic acid (including all isomers), hexadecanoic acid (including all isomers), heptadecanoic acid (including all isomers), octadecanoic acid (including all isomers), nonadecanoic acid (including all isomers) Icosanoic acid (including all isomers), icosanoic acid (including all isomers), heicosanoic acid (including all isomers), docosanoic acid (including all isomers), tricosanoic acid (including all isomers), tetracosane Saturated fatty acids such as acids (including all isomers); hexenoic acid (including all isomers), heptenoic acid (including all isomers), octenoic acid (including all isomers), nonenic acid (including all isomers) Decenoic acid (including all isomers), undecenoic acid (including all isomers), dodecenoic acid (including all isomers), tridecenoic acid (including all isomers) ), Tetradecene (Including all isomers),
Pentadecenoic acid (including all isomers), hexadecenoic acid (including all isomers), heptadecenoic acid (including all isomers), octadecenoic acid (including all isomers), nonadecenoic acid (including all isomers) Isomeric acid (including all isomers), heicoicenoic acid (including all isomers), docosenoic acid (including all isomers), tricosenic acid (including all isomers), tetracocene Unsaturated fatty acids such as acids (including all isomers); and mixtures thereof. Among these, oleic acid, isostearic acid, stearic acid and ergic acid are particularly preferred.

Specific examples of the partial ester of the polyhydric alcohol obtained by using the above-mentioned polyhydric alcohol and the above-mentioned acid include glycerin monododecanoate (glycerin monolaurate), glycerin monoisolaurate, and the like. Glycerin didodecanoate (glycerin dilaurate), glycerin diisolaurate, glycerin monotetradecanoate (glycerin monomyristate), glycerin monoisomyristate, glycerin ditetradecanoate (glycerin dimyristate), glycerin diiso Myristate, glycerin monohexadecanoate (glycerin monopalmitate), glycerin monoisopalmitate, glycerin dihexadecanoate (glycerin dipalmitate), glycerin diisopalmitate, glycerin mono Kutadecanoate (glycerin monostearate), glycerin monoisostearate, glycerin dioctadecanoate (glycerin distearate), glycerin diisostearate, glycerin monooctadecenoate (glycerin monooleate), glycerin monoisooleate Glycerin partial esters such as ate, glycerin dioctadecenoate (glycerin dioleate) and glycerin diisooleate; trimethylolethane monododecanoate (trimethylolethane monolaurate), trimethylolethane monoisolaurate, Trimethylolethanedidodecanoate (trimethylolethanedilaurate), trimethylolethanediisolaurate, trimethylolethane monotetradecanoate (trimethylolethane) Monotrimyristate), trimethylolethane monoisomyristate, trimethylolethaneditetradecanoate (trimethylolethanedimyristate), trimethylolethanediisomyristate, trimethylolethane monohexadecanoate (trimethylol Ethane monopalmitate), trimethylolethane monoisopalmitate,
Trimethylolethanedihexadecanoate (trimethylolethanedipalmitate), trimethylolethanediisopalmitate, trimethylolethane monooctadecanoate (trimethylolethane monostearate), trimethylolethane monoisostearate, Trimethylolethane dioctadecanoate (trimethylolethanedistearate), trimethylolethanediisostearate, trimethylolethane monooctadecenoate (trimethylolethane monooleate),
Trimethylolethane partial esters such as trimethylolethane monoisooleate, trimethylolethanedioctadecenoate (trimethylolethanedioleate), and trimethylolethanediisooleate; trimethylolpropane monododecanoate (trimethylol) Propane monolaurate), trimethylolpropane monoisolaurate, trimethylolpropanezide decanoate (trimethylolpropanedilaurate), trimethylolpropanediisolaurate, trimethylolpropanemonotetradecanoate (trimethylolpropane monomyristate) ), Trimethylolpropane monoisomyristate, trimethylolpropaneditetradecanoate (trimethylolpropanedimyristate),
Trimethylolpropane diisomyristate, trimethylolpropane monohexadecanoate (trimethylolpropane monopalmitate), trimethylolpropane monoisopalmitate, trimethylolpropane dihexadecanoate (trimethylolpropane dipalmitate), Trimethylolpropane diisopalmitate,
Trimethylolpropane monooctadecanoate (trimethylolpropane monostearate), trimethylolpropane monoisostearate, trimethylolpropane dioctadecanoate (trimethylolpropane distearate), trimethylolpropane diisostearate, Trimethylolpropane monooctadecenoate (trimethylolpropane monooleate), trimethylolpropane monoisooleate, trimethylolpropane dioctadecenoate (trimethylolpropanedioleate), trimethylolpropanediisooleate, etc. Trimethylolpropane partial ester of pentaerythritol monododecanoate (pentaerythritol monolaurate), pentaerythritol monoisolaurate, Taerythritol didodecanoate (pentaerythritol dilaurate), pentaerythritol diisolaurate, pentaerythritol tridodecanoate (pentaerythritol trilaurate), pentaerythritol triisolaurate, pentaerythritol monotetradecanoate (pentaerythritol monomilli) State), pentaerythritol monoisomyristate, pentaerythritol ditetradecanoate (pentaerythritol dimyristate), pentaerythritol diisomyristate, pentaerythritol tritetradecanoate (pentaerythritol trimiristate), pentaerythritol tri Isomyristate, pentaerythritol monohexadecanoate (pentaerythritol Palmitate), pentaerythritol monoisopalmitate, pentaerythritol dihexadecanoate (pentaerythritol dipalmitate), pentaerythritol diisopalmitate, pentaerythritol trihexadecanoate (pentaerythritol tripalmitate), pentaerythritol tri Isopalmitate, pentaerythritol monooctadecanoate (pentaerythritol monostearate), pentaerythritol monoisostearate, pentaerythritol dioctadecanoate (pentaerythritol distearate), pentaerythritol diisostearate, pentaerythritol Trioctadecanoate (pentaerythritol tristearate), pentaerythritol triisosteate Allate, pentaerythritol monooctadecenoate (pentaerythritol monooleate), pentaerythritol monoisooleate, pentaerythritol dioctadecenoate (pentaerythritol dioleate), pentaerythritol diisooleate, pentaerythritol triocta Pentaerythritol partial esters such as decenoate (pentaerythritol trioleate) and pentaerythritol triisooleate; sorbitan monododecanoate (sorbitan monolaurate), sorbitan monoisolaurate, sorbitan zide decanoate (sorbitan dilaurate) , Sorbitan diisolaurate, sorbitan tridodecanoate (sorbitan trilaurate),
Sorbitan triisolaurate, sorbitan monotetradecanoate (sorbitan monomyristate), sorbitan monoisomyristate, sorbitan ditetradecanoate (sorbitan dimyristate), sorbitan diisomyristate, sorbitan tritetradecanoate ( Sorbitan trimyristate), sorbitan triisomyristate, sorbitan monohexadecanoate (sorbitan monopalmitate), sorbitan monoisopalmitate, sorbitan dihexadecanoate (sorbitan dipalmitate), sorbitan diisopalmitate,
Sorbitan trihexadecanoate (sorbitan tripalmitate), sorbitan triisopalmitate, sorbitan monooctadecanoate (sorbitan monostearate), sorbitan monoisostearate, sorbitan dioctadecanoate (sorbitan distearate) , Sorbitan diisostearate, sorbitan trioctadecanoate (sorbitan tristearate),
Sorbitan triisostearate, sorbitan monooctadecenoate (sorbitan monooleate), sorbitan monoisooleate, sorbitan dioctadecenoate (sorbitan dioleate), sorbitan diisooleate, sorbitan trioctadecenoate (Sorbitan trioleate), sorbitan partial esters such as sorbitan triisooleate, and mixtures thereof are preferably used. Among these, glycerin monododecanoate (glycerin monolaurate), glycerin monoisolaurate, glycerin monotetradecanoate (glycerin monomyristate), glycerin monoisomyristate, and glycerin monohexadeca, which are monoesters, are particularly preferred. Noate (glycerin monopalmitate), glycerin monoisopalmitate, glycerin monooctadecanoate (glycerin monostearate), glycerin monoisostearate, glycerin monooctadecenoate (glycerin monooleate),
Glycerin monoisooleate; trimethylolethane monododecanoate (trimethylolethane monolaurate), trimethylolethane monoisolaurate, trimethylolethane monotetradecanoate (trimethylolethane monomyristate), trimethylolethane Monoisomyristate, trimethylolethane monohexadecanoate (trimethylolethane monopalmitate), trimethylolethane monoisopalmitate,
Trimethylolethane monooctadecanoate (trimethylolethane monostearate), trimethylolethane monoisostearate, trimethylolethane monooctadecenoate (trimethylolethane monooleate), trimethylolethane monoisooleate; Trimethylolpropane monododecanoate (trimethylolpropane monolaurate), trimethylolpropane monoisolaurate, trimethylolpropane monotetradecanoate (trimethylolpropane monomyristate), trimethylolpropane monoisomyristate, tri Methylolpropane monohexadecanoate (trimethylolpropane monopalmitate), trimethylolpropane monoisopalmitate, trimethylolpropane monooct Decanoate (trimethylolpropane monostearate), trimethylolpropane monoisostearate, trimethylolpropane monooctadecenoate (trimethylolpropane monooleate), trimethylolpropane monoisooleate; pentaerythritol monododecanoate ( Pentaerythritol monolaurate), pentaerythritol monoisolaurate, pentaerythritol monotetradecanoate (pentaerythritol monomyristate),
Pentaerythritol monoisomyristate, pentaerythritol monohexadecanoate (pentaerythritol monopalmitate), pentaerythritol monoisopalmitate, pentaerythritol monooctadecanoate (pentaerythritol monostearate), pentaerythritol monoisostearate Pentaerythritol monooctadecenoate (pentaerythritol monooleate), pentaerythritol monoisooleate; sorbitan monododecanoate (sorbitan monolaurate), sorbitan monoisolaurate, sorbitan monotetradecanoate (sorbitan mono) Myristate), sorbitan monoisomyristate, sorbitan monohexadecanoate (sorbitan monopalmitate), Sorbitan mono iso-palmitate, sorbitan mono octadecanoate (sorbitan monostearate), sorbitan monoisostearate,
It is preferable to use sorbitan monooctadecenoate (sorbitan monooleate), sorbitan monoisooleate, or a mixture thereof.

The oxidized wax salt of the compound (B) is
Reacting the oxidized wax with at least one selected from alkali metals, alkaline earth metals (excluding barium) and amines to neutralize some or all of the acidic groups of the oxidized wax It is made into salt.
Here, the oxidized wax used as a raw material of the oxidized wax salt is not particularly limited, but specifically, for example, a paraffin wax, a microcrystalline wax, a petrolatum obtained by refining a petroleum fraction, or obtained by synthesis. And those produced by oxidizing wax such as polyolefin wax and slack wax. In addition, alkali metals and alkaline earth metals used as raw materials (excluding barium)
The amine and amine are not particularly limited, but are preferably the alkali metals, alkaline earth metals and amines exemplified in the description of the sulfonate according to the present invention. In addition, when barium salts of oxidized wax are used, the safety to the human body and ecosystem becomes insufficient. When the oxidized wax salt of the compound (B) is a sodium salt, the sulfonate according to the present invention is preferably a sodium salt from the viewpoint of storage stability.

The esterified oxidized wax of the compound (C) is obtained by reacting an oxidized wax with an alcohol to esterify a part or all of the acidic groups of the oxidized wax. Here, the oxidized wax used as a raw material of the esterified oxidized wax is the oxidized wax exemplified in the description of the compound (B); the alcohols are linear or branched having 1 to 20 carbon atoms. Saturated monohydric alcohols, linear or branched unsaturated monohydric alcohols having 1 to 20 carbon atoms, polyhydric alcohols exemplified in the description of the compound (A), alcohols obtained by hydrolysis of lanolin, etc. Respectively.

The lanolin fatty acid salt of the above compound (D) is used to purify (such as hydrolyze) waxy substances that adhere to sheep wool.
Reacting the lanolin fatty acid obtained by the above with at least one selected from alkali metals, alkaline earth metals (excluding barium) and amines to form part or all of the acidic groups of the lanolin fatty acid. It is the one that is neutralized to salt.

Here, the alkali metal, alkaline earth metal and amine used as the raw materials of the lanolin fatty acid salt are the alkali metal, alkaline earth metal and amine exemplified in the description of the sulfonate according to the present invention, respectively. Is mentioned. When a barium salt of lanolin fatty acid is used, the safety to the human body or ecosystem becomes insufficient. In addition, when the lanolin fatty acid salt of the compound (D) is a sodium salt, it is preferable that the sulfonate according to the present invention be a sodium salt because the storage stability of the rust-preventive oil composition tends to be improved.

The esterified lanolin fatty acid of the above compound (E) is obtained by reacting a lanolin fatty acid obtained by purifying (hydrolyzing, etc.) a waxy substance attached to wool hair with an alcohol. Point to. Here, examples of the alcohol used as a raw material of the compound (E) include the alcohols exemplified in the above description of the esterified oxidized wax, and among them, polyhydric alcohols are preferable, and trimethylolpropane, trimethylolethane,
Sorbitan, pentaerythritol and glycerin are more preferred.

The fatty acid salt of the compound (F) is a fatty acid salt obtained by reacting a fatty acid with at least one selected from alkali metals, alkaline earth metals (excluding barium) and amines. Say. Here, the alkali metal, alkaline earth metal and amine used as the raw material of the fatty acid salt include the alkali metal, alkaline earth metal and amine exemplified in the description of the sulfonate according to the present invention; Is a fatty acid exemplified in the description of the compound (A).

In producing the compounds (A) to (F), a chlorine-based bleach may be used for the purpose of decoloring. It is preferable to use a chlorine compound or not to perform a decolorization treatment. In addition, chlorine compounds such as hydrochloric acid may be used for hydrolysis of oils and fats,
Also in this case, it is preferable to use a non-chlorine acid or basic compound. Further, the obtained compounds (A) to (F)
It is preferable to perform a sufficient washing treatment such as washing with water.

The chlorine concentration in the compounds (A) to (F) is not particularly limited as long as the properties of the rust preventive oil composition are not impaired, but is preferably 200 ppm by mass or less, more preferably Is 100 mass ppm or less, more preferably 50 ppm or less, and particularly preferably 25 mass ppm or less.

In the rust preventive oil composition of the present invention, one of the above compounds (A) to (F) may be used alone, or two or more of them may be used in combination. When applied to applications where degreasing is required, compounds (A) to (F)
Of these, compounds (B) and / or (F) are preferred. Further, since a higher rust-preventing effect can be obtained, at least one selected from the group consisting of compounds (A), (C) and (E), and compounds (B) and (D)
And at least one selected from the group consisting of (F) is preferably used in combination.

The content of the above compounds (A) to (F) is also optional, but the sum of the contents of the above compounds (A) to (F) is 1 to 20% by mass based on the total amount of the composition. Is preferred. The sum of the contents of the compounds (A) to (F) is 1
If the amount is less than mass%, there is a tendency that the effect of improving the rust preventive property by adding these components cannot be obtained. For the same reason, the total content of the compounds (A) to (F) is more preferably 1.5% by mass or more, and more preferably 2% by mass.
More preferably, it is at least 4 mass%. On the other hand, when the total content of the above (A) to (F) exceeds 20% by mass, the effect of improving the rust-preventing property corresponding to the compounding amount tends to be not obtained. And, for the same reason, the total content of the above (A) to (F) is more preferably 10% by mass or less, further preferably 9% by mass or less, and more preferably 8% by mass or less. Is particularly preferred.

When the composition is applied to an application requiring degreasing properties, the total content of the compounds (A), (C), (D) and (E) should be 10% by mass or less based on the total amount of the composition. It is preferably at most 5% by mass or less, more preferably at most 3% by mass or less.
It is particularly preferred that the content be not more than mass%.

When the rust preventive oil composition of the present invention contains one or more of the compounds (A) to (F), the sulfonate and the compounds (A) to (F) may be used in combination. Is arbitrary, but from the viewpoint of storage stability, compound (A)
To (F) is preferably not more than 500 parts by weight per 100 parts by weight of the sulfonate, and is preferably 400 parts by weight or less.
It is more preferably at most 300 parts by weight, further preferably at most 300 parts by weight, particularly preferably at most 200 parts by weight. In addition, from the viewpoint of rust prevention, the total content of the compounds (A) to (F) is 10%.
It is preferably at least 20 parts by weight, more preferably at least 25 parts by weight, even more preferably at least 30 parts by weight, particularly preferably at least 50 parts by weight with respect to 0 parts by weight.

The rust preventive oil composition of the present invention may contain other additives as necessary. Here, as other additives used in the present invention, specifically, for example,
Exposure in acidic atmosphere Paraffin wax with remarkable effect of improving rust prevention properties; Phosphate esters such as sulfurized oils and fats, sulfurized esters, long-chain alkyl zinc dithiophosphate, tricresyl phosphate, etc., which have remarkable effect on press formability or lubricity Fats and oils such as lard, fatty acids, higher alcohols, calcium carbonate, potassium borate; phenolic or amine-based antioxidants for improving antioxidant performance; corrosion inhibitors (benzotriazole for improving anticorrosive performance) Or derivatives thereof, thiadiazole, benzothiazole, etc.); wetting agents such as diethylene glycol monoalkyl ether; film-forming agents such as acrylic polymers, paraffin wax, microwax, slack wax, polyolefin wax, petrolatum, etc .; methyl silicone, Le Oro silicones, antifoaming agents such as polyacrylates, water-soluble spoilage factors water and surfactant to remove, and mixtures thereof. In addition, the rust inhibitor other than the sulfonate salt according to the present invention, specifically, monocarboxylic acids represented by stearic acid, coconut oil fatty acids, etc., alkyl or alkenyl succinic acids (including anhydrides) and derivatives thereof Dicarboxylic acids represented by dimers of unsaturated fatty acids such as oleic acid,
Other polar group-containing carboxylic acids represented by hydroxy fatty acids, mercapto fatty acids, sarcosine derivatives and the like, carboxylic acids such as oxidized waxes; fatty acids, naphthenic acids, resin acids,
Metal salts of carboxylic acids such as alkenyl succinic acid and amino acid derivatives (sodium salt, potassium salt, calcium salt, magnesium salt, aluminum salt, zinc salt, lead salt, etc.) and amine salts (monoamine salt, tallow amine salt, polyamine salt, etc.)
Carboxylate salts represented by alkanolamine salts); esters represented by esters of polyhydric alcohols such as glycerin, pentaerythritol, sorbitol and sucrose with carboxylic acids such as lauric acid and oleic acid; higher fats Alcohols represented by aliphatic alcohols and the like; amines such as the amines exemplified in the description of the above-mentioned sulfonic acid salts; represented by phosphoric acid monoester, phosphoric diester, phosphite and amine salts thereof ( (A) Phosphoric acid derivatives; boron compounds and the like can also be blended. The content of the above-mentioned other additives is arbitrary, but the total content of these additives is preferably 10% by mass or less based on the total amount of the rust-preventive oil composition.

In the rust preventive oil composition of the present invention, any basic compound can be used in addition to the basic compounds such as the sulfonate, compound (B) and compound (F) according to the present invention. . Specific examples of the basic compound include Ca sulfonate in which calcium carbonate is dispersed (so-called overbased sulfonate), Mg sulfonate in which magnesium carbonate is dispersed, and Ca salt-based additive of paraffin oxide in which calcium carbonate is dispersed. A lanolin-based additive in which calcium carbonate is dispersed, amines (for example, the above-mentioned amines), a carboxylate Ca salt contained in a Ca salt of oxidized paraffin or a Ca salt of lanolin fatty acid, almost pure synthesized for industrial use Examples thereof include chlorinated carboxylic acids and ashless dispersants derived from alkenyl succinic acid and ethylenediamine.

The rust preventing oil composition of the present invention has a total base number of 1
Preferably, it is ２０20 mgKOH / g. From the viewpoint of rust prevention, the total base number is preferably 1 mgKOH /
g or more, more preferably 1.5 mg KOH / g or more, further preferably 2 mg KOH / g or more, and still more preferably 3 mg KOH / g or more. In addition, from the viewpoint of storage stability, the total base number is preferably 20 mgKOH / g or less, more preferably 15 mgKOH / g or less, still more preferably 10 mgKOH / g or less, and still more preferably 8 mgKOH / g or less.
mg KOH / g. In addition, the total base number mentioned here is JIS K2501 "Petroleum products and lubricating oils-Neutralization number test method". Refers to the total base number [mgKOH / g] measured by the hydrochloric acid method according to

In the rust preventive oil of the present invention, the content of the sulfonate and the total base number are represented by the following formula (5): TBN / Cs ≦ 3 (5) Content of acid salt [% by mass]
And TBN stands for total base number [mgKOH / g])
It is preferable that the condition represented by TBN / Cs
Exceeds 3, the storage stability tends to be insufficient.
For the same reason, TBN / Cs is more preferably 2 or less, and even more preferably 1.5 or less.

The kinematic viscosity at 40 ° C. of the rust preventive oil composition of the present invention is not particularly limited, but is preferably 1.5 to 1000.
mm ² / s is preferred. If the kinematic viscosity at 40 ° C. of the rust-preventive oil composition is less than 1.5 mm ² / s, sufficient rust-preventing properties tend not to be obtained. Then, for the same reason, the kinematic viscosity at 40 ° C. of rust preventive oil composition of the present invention is more preferably 2 mm ² / s or more, more preferably 2.5 mm ² / s or more, 3 mm ² / S or more is particularly preferable. In particular, when the rust preventive oil composition of the present invention is applied to an application requiring compatibility with an organic material, the kinematic viscosity at 40 ° C. is preferably 7 mm ² / s or more, preferably 10 mm ² / s.
m ² / s or more, more preferably 15 mm ² / s
More preferably, it is the above. On the other hand, if the kinematic viscosity at 40 ° C. exceeds 1000 mm ² / s, the handleability of the rust preventive oil composition tends to decrease. And for the same reason, the kinematic viscosity at 40 ° C. of the rust preventive oil composition of the present invention is more preferably 500 mm ² / s or less, further preferably 100 mm ² / s or less, and more preferably 40 mm ² / s. It is particularly preferred that it is not more than 20 mm ² / s.

When the rust preventive oil composition of the present invention is applied to an application requiring a cleaning ability, that is, when used as a cleaning rust preventive oil, the kinematic viscosity at 40 ° C. is 10 mm ² / s or less. Is preferably 6 mm ² /
s or less, more preferably 4 mm ² / s or less, and particularly preferably 3 mm ² / s or less.

The rust-preventing oil composition of the present invention having such a constitution has a sufficiently high rust-preventing property and a sufficiently high safety against human bodies and ecosystems. In addition, the present invention can be applied to metal members such as precision parts such as bearings. In addition, those having more excellent compatibility with organic materials, degreasing property, cleaning ability, and the like can be obtained, and thus are preferably used for these various uses.

The rust-preventive oil composition of the present invention comprises a spray,
It can be applied to a metal member by a method such as showering, dropping, transfer using a felt material, or the like, electrostatic oiling, or the like. Further, in the application step, after the excess rust-preventive oil composition is applied, a drain cutting step using a centrifuge,
Alternatively, it is preferable to provide a drain cutting step by leaving the apparatus for a long time. Among these coating methods, when used as rust preventive oil for metal plate materials such as steel plates used for automobile bodies and electric product bodies (excluding cleaning rust preventive oil), spray, shower, static Electrocoating oil is preferred, and electrostatic coating oil is more preferred.

When the rust preventive oil composition of the present invention is used as a cleaning rust preventive oil composition, a large excess amount of the rust preventive oil composition of the present invention is sprayed or showered on the surface of a metal member. By lubricating by dip coating or the like, good washing and subsequent prevention of rust can be performed. Further, if necessary, by performing surface cleaning with a roll brush or the like after the above-described metal working step, the efficiency of foreign matter removal can be increased. Furthermore, when washing with the rust preventive oil composition of the present invention, it is also possible to adjust the amount of oil adhering to the surface of the metal member by simultaneously performing a surface treatment of the metal member with a ringer roll or the like. preferable.

Regardless of the method of applying the rust-preventive oil composition of the present invention, it is preferable to collect, circulate, and reuse the rust-preventive oil composition applied in excess on the metal member. In circulating the rust preventive oil composition, it is preferable to remove foreign substances mixed in the circulation system. Specifically, for example, in the middle of the circulation route of the rust-preventive oil composition of the present invention, preferably immediately before the rust-preventive oil composition is ejected toward the metal member, a filter may be provided to remove foreign substances. it can. Further, a magnet may be provided at the bottom of the tank for storing the rust-preventive oil composition of the present invention, and foreign matter such as abrasion may be absorbed and removed by magnetic force.
In addition, there is a concern that the performance of the rust-preventive oil composition of the present invention reused in such a process may be deteriorated due to the incorporation of the pre-process oil or the like. Therefore, when reusing the rust preventive oil composition of the present invention, the properties of the used oil are controlled by periodically performing kinematic viscosity and density measurements, copper plate corrosion tests, rust preventive tests, and the like. It is preferable to perform oil change, drain disposal, tank cleaning, oil purification operation, and the like as necessary. Further, with respect to the discarded oil agent, the oil agent is used as it is or diluted with a solvent or a low-viscosity base oil, and is used in a line where the performance required for the rust-preventive oil composition is lower than the line used before the disposal. This can reduce the total amount of used oil. Furthermore, when storing the rust-preventing oil composition of the present invention in a tank, it is preferable to replenish the rust-preventing oil composition in accordance with the reduced amount of the composition in the tank.
In this case, the composition may not always be the same as the rust-preventive oil composition initially charged, but may be replenished with a composition or the like in which the amount of an additive for bringing out the performance to be strengthened is increased from time to time. Or conversely, the kinematic viscosity at 40 ° C. is 6 mm ² /
The composition whose viscosity has been reduced by a method such as reducing the content of the base oil of s or more may be supplied to maintain the cleaning ability of the rust preventive oil composition.

The rust preventive oil composition of the present invention can be used as a surface-treated steel sheet such as a hot-rolled steel sheet, a cold-rolled steel sheet, a high-tensile steel sheet, a galvanized steel sheet, an aluminum alloy sheet, a magnesium alloy sheet, etc. It can be used for metal plate materials.

In this case, the rust preventive oil composition of the present invention comprises:
Rust preventive oil used for intermediate rust prevention of metal plate materials, rust preventive oil used for rust prevention at shipping (shipping rust preventive oil), in the cleaning process for removing foreign substances before being subjected to press working It can be used in any step of the rust inhibitor oil (washing rust inhibitor oil) used.

Further, the rust preventive oil composition of the present invention may be used in a cleaning process for removing foreign substances prior to shipment in a metal sheet manufacturer. In this case, the metal plate can be wound into a coil immediately after the cleaning step, or can be shipped as a sheet material. That is, the rust preventive oil composition of the present invention can be used as a cleaning rust preventive oil and a shipping rust preventive oil. According to this method, there is a merit that the amount of adhered foreign matter is small and that the washing can be easily and reliably performed even when a washing step using a cleaning rust preventive oil is performed immediately before the pressing step in the press working. In addition,
As a matter of course, following the step of cleaning with the rust-preventive oil at the steel plate manufacturing site, a step of applying rust-preventive oil again may be provided, and the rust-preventive treatment may be performed in two stages.

[0088]

EXAMPLES Hereinafter, the present invention will be described more specifically with reference to Examples and Reference Examples, but the present invention is not limited to the following Examples. In the following examples, “%” means “% by mass” unless otherwise specified.

Examples 1 to 8 In Examples 1 to 8, rust inhibiting oil compositions were prepared using the following components. Compound ratio of barium (Ba), zinc (Zn), chlorine (Cl), lead (Pb) and a compound having a group represented by the above general formula (1) in the rust preventive oil composition of each example Concentration and 40 ° C
Are shown in Table 1.

Base oil Base oil 1: Mineral oil (kinematic viscosity at 40 ° C .: 6.5 mm ² / s, initial boiling point: 235 ° C., end point: 425 ° C., aromatic content: 13%,
Content of hydrocarbons having 14 or less carbon atoms: less than 0.5%, content of hydrocarbons having 20 or less carbon atoms: about 50%) Base oil 2: mineral oil (kinematic viscosity at 40 ° C .: 22 mm ² / s, first time) Distillation point: 300 ° C, end point: 485 ° C, aromatic content: 22%, content of hydrocarbons having 14 or less carbon atoms: less than 1%, carbon number 2
Base oil 3: Mineral oil (kinematic viscosity at 40 ° C .: 100 mm ² / s, initial boiling point: 335 ° C., end point: 595 ° C., aromatic content: 32%,
Content of hydrocarbon having 14 or less carbon atoms: less than 0.5%, content of hydrocarbon having 20 or less carbon atoms: less than 1%) Base oil 4: Mineral oil (kinematic viscosity at 40 ° C: 400 mm ² / s, first time) Boiling point: 440 ° C, end point: 700 ° C, aromatic content: 43%,
Content of hydrocarbons having 14 or less carbon atoms: less than 0.5%, content of hydrocarbons having 20 or less carbon atoms: less than 1%) Base oil 5: mineral oil (kinematic viscosity at 40 ° C: 2 mm ² / s, first distillation) Point: 200 ° C., end point 255 ° C., aromatic content: 0.5%, content of hydrocarbons having 14 or less carbon atoms: 98%, carbon number 20
The following hydrocarbon content: 100%).

[0091]Sulfonate S1: Dinonylnaphthalene Ca sulfonate solution (net
Sulfonate content: 50%, carrier oil 50
%) S2: Dialkylbenzene Ca sulfonate solution (net
Sulfonate content: 60%, carrier oil 40
%) (Two alkyl groups derived from ethylene oligomer)
A dialkylbenzene Ca sulfonate having the formula:
The main component is one having a total carbon number of 20 of two alkyl groups.
S3: Dialkylbenzene Na sulfonate solution (net
Sulfonate content: 60%, carrier oil 40
%) (Two alkyl groups derived from ethylene oligomer)
A dialkylbenzene Na sulfonate having the formula:
The main component is a compound having a total carbon number of two alkyl groups of 20
S4: dinonylnaphthalene decylamine sulfonate
Solution (net sulfonate content: 50%, carrier
Oil 50%) The carrier oil in S1 to S4 is 40%.
Kinematic viscosity at ℃ 20mm ^Two/ S of mineral oil. Also,
The compounding ratios of S1 to S4 in Table 1 are as follows.
The value is for a solution consisting of oil and
The mixing ratio of the sulfonic acid salt of
By multiplying the net sulfonate content ratio of
Can be obtained.

Compound (A) A1: Trimethylolpropane monooleate A2: Sorbitan monooleate A3: Sorbitan monoisostearate.

Compound (B) B1: Oxidized paraffin Ca salt (total acid value: 5 mg KOH /
g, total base number: 16 mgKOH / g, saponification value: 80 m
gKOH / g) B2: Oxidized paraffin Na salt (total acid value: 14 mgKOH)
/ G, total base number: 1 mgKOH / g, saponification value: 35 m
gKOH / g).

Compound (C) C1: ester of oxidized paraffin (total acid value: 30 mgK)
OH / g, total base number: 0.2 mg KOH / g, saponification number: 135 mg KOH / g).

Compound (D) D1: Ca salt of lanolin fatty acid (total acid value: 2.5 mgK
OH / g, total base number: 11 mg KOH / g, saponification value:
120 mg KOH / g).

Compound (E)

E1: Partial ester of lanolin fatty acid and trimethylolpropane (total acid value: 8 mg KOH / g;
Total base number: 0.5 mg KOH / g, saponification value: 170 m
gKOH / g, hydroxyl value: 100 mgKOH / g).

Other components H1: di-tert-butyl-p-cresol H2: benzotriazole H3: the following general formula (6):

Embedded image H4: paraffin wax (melting point: 51.7 ° C.) H5: inert type lard sulfide (sulfur content: 12% by mass, saponification value: 250 mg KOH / g, total acid value: 1 mg)
KOH / g) H6: succinic acid derivative (partial ester of alkenyl succinic acid derived from propylene oligomer having 9 to 15 carbon atoms and propylene glycol dimer to tetramer).

Next, the following tests were performed on the rust-preventive oil compositions of Examples 1 to 6 and Reference Example 1. In this example, a similar test was performed using a commercially available barium-based rust inhibitor oil composition as Reference Example 1.

(Test for Rust Resistance) Commercially Available SPCE-SD
A considerable cold-rolled steel sheet was cut into 60 × 80 mm to obtain a test piece. Next, each test piece was coated with the rust-preventive oil composition in an amount of 3
g / m ² using an air spray.
The test piece after application is stored in a hundred-leaf box placed outdoors, and after a predetermined time, the presence or absence of rust on the test piece is observed. No rust was observed even after 20 days. B: Rust was observed 10 to 19 days after application. C: Rust was observed 4 to 9 days after application. D: After application. Evaluation was made based on the fact that rust was observed within 3 days. Table 1 shows the results.

(Cylinder Formability Test) A commercially available cold-rolled steel plate having a thickness of 0.75 mm and corresponding to SPCE-SD was cut into a disk shape having a diameter of 110 mm to obtain a test piece. Each of the rust-preventive oil compositions was applied to this test piece by hand coating so as to have a coating amount of about 3 g / m ^2, and was formed into a cylinder having a punch diameter of 50 mm (shoulder R: 5 mm) and a die diameter of 52 mm (shoulder R: 5 mm). The moldability was evaluated using a testing machine. Limit B obtained for each specimen
Table 1 shows HF [tf] (the maximum wrinkle holding force that can be formed without breaking).

(Compatibility Test 1 of Rust Inhibiting Oil Composition and Resin Material) A compatibility test of the rust preventing oil composition and the resin material was performed using the apparatus shown in FIG. That is, a polycarbonate test piece 1 (64 × 13 × 3 mm) was fixed on a jig 3 with a fixing bolt 2, and each rust-preventing oil composition was applied to the test piece 1 while applying stress (bending) thereto. Observation of the presence or absence of cracks and cracks in the test piece 1 after the lapse of a predetermined time, the following criteria: A: No cracks and cracks were observed even 15 days after application B: 3 to 14 after application The occurrence of cracks and cracks was recognized on the day C: The cracks and cracks were recognized within 2 days after application, and the compatibility between the rust preventive oil composition and the resin material was evaluated. Table 1 shows the results. (Compatibility test 2 between rust preventive oil composition and resin material) Bottom surface 20
5 g of sample oil is placed in a stainless steel vat having a size of 0 mm × 300 mm and a height of 30 mm, and the distance between the air outlet and the sample oil is set to 3 using a general household hair dryer (output: 1200 W).
It was dried with warm air for 5 minutes while maintaining the thickness at 00 mm. afterwards,
The mixture was allowed to cool to room temperature over 30 minutes, and a test was performed using the obtained sample oil in the same procedure as in compatibility test 1 between the rust preventive oil composition and the resin material. Table 1 shows the obtained results.

(Storage Stability Test) 30 g of a sample oil was weighed into a glass bottle having a capacity of 50 ml. For this sample, 2
After holding at 0 ° C. and a relative humidity of 50% for 12 hours, another 50
One cycle of the treatment at 12 ° C. and a relative humidity of 95% was performed for 12 hours, and this cycle was continuously repeated until clouding or precipitation occurred. From the number of days (cycles) required until clouding or sedimentation occurred, the following criteria were used: A: 10 days or more B: 7 to 9 days C: 4 to 6 days D: 2 to 3 days E: Within 1 day Based on this, the storage stability of each sample oil was evaluated. Table 1 shows the obtained results.

[Table 1]

As shown in Table 1, all of the rust-preventive oil compositions of Examples 1 to 8 have sufficiently high rust-preventive properties equal to or higher than the conventional barium-based rust-preventive oil composition (Reference Example 1). It was confirmed that.

Examples 9 to 16 In Examples 9 to 16, rust preventive oils were prepared using the following components, respectively. The compounding ratio of each component in the rust preventive oil obtained in each example, barium (Ba),
Concentrations of zinc (Zn), chlorine (Cl), lead (Pb) and the compound having the group represented by the above general formula (1), sulfonate content, total base number, compounds (A) to (F) ), The ratio of the sum of the contents of the compounds (A) to (E) to the content of the sulfonate, the total base number (TBN), TBN / Cs
Table 2 shows the kinematic viscosity at 40 ° C.

[0106] Base Oil Base Oil 6: mineral oil (40 ° C. kinematic viscosity: 6.5 mm ² / s, initial boiling point: 235 ° C., the end point: 425 ° C., naphthene content: 29
%, Paraffin content: 58%, aromatic content: 13%, (naphthene content / paraffin content) ratio: 0.50, content of hydrocarbons having 6 or less carbon atoms: less than 0.1%, and having 8 or less carbon atoms Hydrocarbon content: less than 0.1%, hydrocarbon content of 10 or less carbon: less than 0.5%, hydrocarbon content of 14 or less: less than 0.5%, carbon number 20 or less Base oil 7: mineral oil (kinematic viscosity at 40 ° C .: 22 mm ² / s, initial boiling point: 300 ° C., end point) : 485 ° C, naphthenic content: 22%,
Paraffin content: 56%, aromatic content: 22%, (naphthene content / paraffin content) ratio: 0.39, content of hydrocarbons having 6 or less carbon atoms: less than 0.1%, hydrocarbons having 8 or less carbon atoms Content: less than 0.1%, content of hydrocarbons having 10 or less carbon atoms: less than 0.1%, content of hydrocarbons having 14 or less carbon atoms: less than 1%, of hydrocarbons having 20 or less carbon atoms Content:
Base oil 8: Mineral oil (kinematic viscosity at 40 ° C .: 100 mm ² / s, initial boiling point: 335 ° C., end point: 595 ° C., naphthene content: about 1%, hydrocarbon content of 25 or less carbon atoms: 33%) 25
%, Paraffin content: 41%, aromatic content: 32%, (naphthene content / paraffin content) ratio: 0.61, content of hydrocarbons having 6 or less carbon atoms: less than 0.1%, and having 8 or less carbon atoms Content of hydrocarbon: less than 0.1%, content of hydrocarbon having 10 or less carbon atoms: 0.1%, content of hydrocarbon having 14 or less carbon atoms: less than 0.5%, less than 20 carbon atoms Content of hydrocarbon: less than 1%, content of hydrocarbon having 25 or less carbon atoms: 3
%) Base oil 9: Mineral oil (kinematic viscosity at 40 ° C: 400 mm ² / s, initial boiling point: 440 ° C, end point: 700 ° C, naphthenic content: 15)
%, Paraffin content: 35%, aromatic content: 43%, (naphthene content / paraffin content) ratio: 0.43, content of hydrocarbons having 6 or less carbon atoms: less than 0.1%, and having 8 or less carbon atoms Hydrocarbon content, content of hydrocarbons having 10 or less carbon atoms:
Content of hydrocarbon having less than 0.1% and carbon number of 14 or less:
Content of hydrocarbon having less than 0.5% and carbon number of 20 or less: 1
Base oil 10: mineral oil (kinematic viscosity at 40 ° C .: 2 mm ² / s, initial boiling point: 200 ° C., end point 255 ° C., naphthene content: 31%, paraffin) Min: 68%, aromatics: 0.5%, (naphthene / paraffin) ratio: 0.46, content of hydrocarbons having 6 or less carbon atoms: less than 0.1%, carbonization having 8 or less carbon atoms Hydrogen content: less than 0.1%, content of hydrocarbons having 10 or less carbon atoms: 0.50%, content of hydrocarbons having 14 or less carbon atoms: 98%, content of hydrocarbons having 20 or less carbon atoms Rate: 10
0%, content of hydrocarbons having 25 or less carbon atoms: 100%) Base oil 11: mineral oil (kinematic viscosity at 40 ° C: 2 mm ² / s, initial boiling point: 200 ° C, end point 245 ° C, naphthene content: 77%) , Paraffin content: 23%, aromatic content: less than 0.1%, (naphthene content / paraffin content) ratio: 3.35, content of hydrocarbons having 6 or less carbon atoms: less than 0.1%, carbon number 8 The content of the following hydrocarbons: less than 0.1%, the content of hydrocarbons having 10 or less carbon atoms: less than 0.1%, the content of hydrocarbons having 14 or less carbon atoms: 98%, the content of 20 or less carbon atoms Hydrocarbon content: 100%, content of hydrocarbons having 25 or less carbon atoms: 1
00%) Base oil 12: 1 oligomer of decene (Kinematic viscosity at 40 ° C .:
100 mm ² / s, naphthene content: 0%, paraffin content:
100%, aromatic content: 0%, (naphthene content / paraffin content) ratio: 0%, content of hydrocarbons having 6 or less carbon atoms: 0.
Less than 1%, content of hydrocarbons having 8 or less carbon atoms: 0.1%
Less, content of hydrocarbons having 10 or less carbon atoms: less than 0.1%, content of hydrocarbons having 14 or less carbon atoms: less than 0.1%, content of hydrocarbons having 20 or less carbon atoms: 0.1% Less than,
Content of hydrocarbons having 25 or less carbon atoms: 1% or less).

Sulfonate S5: dinonylnaphthalene Ca sulfonate solution (sulfonate content: 50%, carrier oil 50%, total base number: 1 mgKOH / g) S6: dialkylbenzene Ca sulfonate solution (sulfonate Content: 60%, total base number: 5 mg KOH /
g) (a dialkylbenzene Ca sulfonate having two alkyl groups derived from ethylene oligomers,
S7: Dialkylbenzene Na sulfonate solution (sulfonate content: 60%, total base number: 1 mgKOH /
g) (a dialkylbenzene Na sulfonate having two alkyl groups derived from ethylene oligomers,
S8: dinonylnaphthalenedecylamine sulfonate solution (sulfonate content: 50%, total base number: 1 mg)
S9: dinonylnaphthalene Ca sulfonate solution (sulfonate content: 40%, total base number: 50 mg KOH / g)
/ G) S10: Dialkylbenzene Ca sulfonate solution (sulfonate content: 30%, total base number: 300 mgK
(OH / g) (a dialkylbenzene Ca sulfonate having two alkyl groups derived from an ethylene oligomer, the main component of which is two alkyl groups having a total carbon number of 20) The carrier oil in the above S5 to S10 Is 4
A mineral oil having a kinematic viscosity at 0 ° C. of about 20 mm ² / s. The compounding ratio of S5 to S10 in Table 2 is a value for the above solution, and the compounding ratio of the sulfonic acid salt in each rust preventive oil is the content of the net sulfonic acid salt in the compounding ratio of the solution. By multiplying by the ratio

Compound (A) A4: trimethylolpropane monooleate A5: sorbitan monooleate A6: sorbitan monoisostearate A7: glycerin monooleate.

Compound (B) B3: Oxidized paraffin Ca salt (total acid value: 5 mg KOH /
g, total base number: 16 mgKOH / g, saponification value: 80 m
gKOH / g) B4: oxidized paraffin Na salt (total acid value: 14 mgKOH)
/ G, total base number: 1 mgKOH / g, saponification value: 35 m
gKOH / g).

Compound (C) C2: ester of oxidized paraffin (total acid value: 30 mgK)
OH / g, total base number: 0.2 mg KOH / g, saponification number: 135 mg KOH / g).

Compound (D) D2: Ca salt of lanolin fatty acid (total acid value: 2.5 mgK
OH / g, total base number: 11 mg KOH / g, saponification value:
120 mg KOH / g).

Compound (E) E2: Partial ester of lanolin fatty acid and trimethylolpropane (total acid value: 8 mg KOH / g, total base number:
0.5 mg KOH / g, saponification value: 170 mg KOH /
g, hydroxyl value: 100 mgKOH / g).

Other components H7: di-tert-butyl-p-cresol H8: benzotriazole H9: benzotriazole derivative represented by the above formula (6) H10: paraffin wax (melting point: 51.7 ° C.) H11: Inert type sulfurized lard (sulfur content: 12% by mass, saponification value: 250 mgKOH / g, total acid value: 1 m
gKOH / g) H12: Active type sulfurized lard (sulfur content: 19% by mass, saponification value: 200 mg KOH / g, total acid value: 1 mg)
KOH / g).

[0114]

[Table 2]

Next, the following tests were performed on the rust-preventive oil compositions of Examples 9 to 16. In this example, a similar test was performed using a commercially available barium-based rust inhibitor oil composition as Reference Example 2.

(Rust inhibiting test) Commercially available SPCE-SD
A considerable cold-rolled steel sheet was cut into 60 × 80 mm to obtain a test piece. Next, each test piece was coated with the rust-preventive oil composition in an amount of 3
g / m ² using an air spray.
The test piece after application is stored in a hundred-leaf box placed outdoors, and after a predetermined time, the presence or absence of rust on the test piece is observed. No rust was observed even after 20 days. B: Rust was observed 10 to 19 days after application. C: Rust was observed 4 to 9 days after application. D: After application. Evaluation was made based on the fact that rust was observed within 3 days. Table 3 shows the results.

(Degreasing test) A commercially available cold-rolled steel plate corresponding to SPCE-SD was cut into 60 x 80 mm to obtain a test piece.
Next, each test piece was coated with the rust-preventive oil composition at a coating amount of 3 g /
m ² was applied using an air spray. The test piece after application was stored for 24 hours in a hundred-leaf box installed outdoors and subjected to the following degreasing test.

The test piece was immersed in an alkali degreasing agent obtained by combining a sodium phosphate and sodium silicate-based alkali builder with a nonionic surfactant for 2 minutes, and then washed in running water for 30 seconds. Then, the test piece was held vertically for 20 seconds, and the degreasing property was evaluated based on the following criteria: A: 90% or more, B: 90 to 60%, C: 60% or less. Table 3 shows the obtained results.

(Cleaning Test) A commercially available cold rolled steel plate corresponding to SPCE-SD was cut into 60 × 80 mm, and JIS 11 type dust was adhered to the test piece. The test piece was sprayed with each of the above rust-preventive oil compositions at a constant ejection amount for 10 seconds. After the washing is completed, the amount of dust remaining on the test piece is measured, and the following equation: Washing rate (%) = (1− (the amount of dust attached before the test−the amount of dust attached after the test) / the amount of dust attached before the test)) × On the basis of the cleaning rate of the test piece obtained by the above method, the detergency of each rust preventive oil was evaluated based on the following criteria: A: 95% or more, B: 95 to 80%, C: 80% or less. Table 3 shows the obtained results.

(Cylinder Formability Test) A commercially available cold rolled steel plate corresponding to SPCE-SD having a plate thickness of 0.75 mm was cut into a disk shape having a diameter of 110 mm to obtain a test piece. Each of the rust-preventive oil compositions was applied to this test piece by hand coating so as to have a coating amount of about 3 g / m ^2, and was formed into a cylinder having a punch diameter of 50 mm (shoulder R: 5 mm) and a die diameter of 52 mm (shoulder R: 5 mm). The moldability was evaluated using a testing machine. Limit B obtained for each specimen
HF [tf] (the maximum wrinkle holding force that can be formed without breaking) was evaluated based on the following criteria: A: 3 tf or more B: more than 2 tf and less than 3 tf C: 2 tf or less Table 3 shows the obtained results.

(Storage stability test) 30 g of sample oil was weighed into a glass bottle having a capacity of 50 ml. For this sample, 2
After holding at 0 ° C. and a relative humidity of 50% for 12 hours, another 50
One cycle of the treatment at 12 ° C. and a relative humidity of 95% was performed for 12 hours, and this cycle was continuously repeated until clouding or precipitation occurred. From the number of days (cycles) required until clouding or sedimentation occurred, the following criteria were used: A: 10 days or more B: 7 to 9 days C: 4 to 6 days D: 2 to 3 days E: Within 1 day Based on this, the storage stability of each sample oil was evaluated. Table 3 shows the obtained results.

[0122]

[Table 3]

As shown in Table 3, all of the rust preventive oil compositions of Examples 9 to 16 have sufficiently high rust preventive properties equal to or higher than that of the conventional barium rust preventive oil composition (Reference Example 2). And it was confirmed that the composition had excellent degreasing properties. Further, it was confirmed that the rust-preventive oil compositions of Examples 10 and 13 exhibited even better cleaning performance.

[0124]

As described above, according to the present invention, it has a sufficiently high rust inhibitory property without using a film-forming agent such as a barium or zinc rust inhibitor or an alkylene oxide adduct of alkylphenol. In addition, it is possible to obtain a rust-preventive oil composition having sufficiently high safety for the human body or ecosystem.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an apparatus used for a compatibility test between a rust preventive oil composition and a resin material in Examples.

[Explanation of symbols]

1: polycarbonate test piece, 2: fixing bolt, 3
…jig.

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) C10M 159/24 C10M 159/24 // C10N 10:02 C10N 10:02 10:04 10:04 20:00 20:00 Z 20:02 20:02 30:00 30:00 Z 30:12 30:12 40:02 40:02 70:00 70:00 (72) Inventor Yoshihiro Iwamura 2-1-1, Ryugashima, Niigata City, Niigata Prefecture No. Japan Oil Processing Co., Ltd. Niigata Factory F-term (reference) 4H104 BB17C BB35C BG06C CA16C DA02A DA05C DB07C EA02Z EA21Z EB02 FA01 FA02 LA06 LA20 PA01 PA33 PA34

Claims (11)

[Claims] 1. A base oil comprising a mineral oil and / or a synthetic oil, wherein the base oil comprises an alkali metal sulfonic acid salt, an alkaline earth metal sulfonic acid salt (excluding barium sulfonic acid salt) and an amine sulfonic acid salt. At least one chosen
1 to 10% by mass based on the total amount of the composition, wherein the contents of barium, zinc, chlorine and lead are 1000 mass ppm or less, respectively, in terms of elements, based on the total amount of the composition, and Formula (1): [In the formula (1), R ¹ represents an alkyl group having 1 to 24 carbon atoms, R ² represents an alkylene group having 2 to 4 carbon atoms, and m represents 1
Wherein the content of the compound having a group represented by the formula is not more than 1000 ppm by mass based on the total amount of the composition. object. 2. The sulfonate is a dialkylnaphthalene sulfonate in which the total number of carbon atoms of two alkyl groups bonded to a naphthalene ring is 14 to 30; A branched alkyl group having one alkyl group or a side chain methyl group,
And at least one selected from the group consisting of a dialkylbenzene sulfonate wherein the total number of carbon atoms of two alkyl groups is 14 to 30; and a monoalkylbenzene sulfonate wherein the alkyl group bonded to the benzene ring has 15 or more carbon atoms. The rust inhibiting oil composition according to claim 1, characterized in that it is a seed. 3. The composition according to claim 1, wherein the content of the monoalkylbenzenesulfonate having one alkyl group having 13 or less carbon atoms is 1% by mass or less based on the total amount of the composition. Anti-rust oil composition. 4. The content of an alkylbenzene sulfonate having an alkyl group derived from an oligomer of propylene,
The rust preventive oil composition according to any one of claims 1 to 3, wherein the amount is 1% by mass or less based on the total amount of the composition. 5. The following (A) to (F): (A) a partial ester of a polyhydric alcohol; (B) an alkali metal salt of an oxidized wax, an alkaline earth metal salt of an oxidized wax (however, a barium salt of an oxidized wax) (C) esterified oxidized waxes (D) alkali metal salts of lanolin fatty acids, alkaline earth metal salts of lanolin fatty acids (provided that they are the same). Lanolin fatty acid salts selected from the group consisting of lanolin fatty acid barium salts) and lanolin fatty acid amine salts; (E) esterified lanolin fatty acids; and (F) fatty acid alkali metal salts, fatty acid alkalis. At least one selected from the group consisting of earth metal salts (excluding barium salts of fatty acids) and amine salts of fatty acids The composition according to any one of claims 1 to 4, further comprising 1 to 20% by mass of at least one compound selected from the group consisting of fatty acid salts, based on the total amount of the composition. The rust-preventive oil composition as described in the above. 6. The total content of the compounds (A) to (F) is 20 to 50 with respect to 100 parts by weight of the sulfonic acid salt.
The rust preventive oil composition according to claim 5, wherein the amount is 0 part by weight. 7. A kinematic viscosity at 40 ° C. of 7 to 400 mm ² /
The rust-preventing oil composition according to any one of claims 1 to 6, wherein the composition is s. 8. The method according to claim 1, wherein the content of the compound having 14 or less carbon atoms in the base oil is 20% by mass or less based on the total amount of the composition. The rust-preventive oil composition according to the above item. 9. The method according to claim 1, wherein the content of the aromatic component in the base oil is 50% by mass or less based on the total amount of the composition. Anti-rust oil composition. 10. The method according to claim 1, wherein the content of the compound having 10 or less carbon atoms in the base oil is 20% by mass or less based on the total amount of the composition. The rust-preventive oil composition according to the above item. 11. The sum of the contents of the compounds (A), (C), (D) and (E) is 1 based on the total amount of the composition.
The amount is not more than 0% by mass.
Anticorrosive oil composition according to any one of the above.