CN101824355A - Machinery seal vapor phase anti-rust and preparation method thereof - Google Patents

Abstract

The invention relates to a machinery seal vapor phase anti-rust oil comprising following ingredients in percentage by weight: 3-15 percent of barium dinonynalphthalene sulfonate, 3-15 percent of petroleum sodium sulfonate, 1-15 percent of dodecencylsuccinic acid, 0-5 percent of dicyclohexyl amine nitrite, 0-5 percent of ethanol and 5-88 percent of hydrocarbon solvent. A preparation method of the machinery seal vapor phase anti-rust oil comprises the following steps of (1) putting the 5-88 percent of hydrocarbon solvent in a mixing cylinder and heating to 45 DEG C; (2) putting the 3-15 percent of barium dinonynalphthalene sulfonate, the 3-15 percent of petroleum sodium sulfonate and the 1-15 percent of dodecencylsuccinic acid into the mixing cylinder in sequence and stirring for 1h; and (3) evenly mixing the 0-5 percent of dicyclohexyl amine nitrite and the 0-5 percent of ethanol, putting in the mixing cylinder and stirring for 1h to obtain the product. The invention can effectively prevent corrosion of chloride and sulfide, has good high-wet resistance, no toxicity and good heat stability and can be mixed with lubricating oil, hydraulic oil or punching oil after being diluted.

Description

Machinery seal vapor phase anti-rust and preparation method thereof

Technical field

The present invention relates to a kind of machinery seal vapor phase anti-rust and preparation method thereof.

Background technology

Slushing oil is widely used in machinery, the lubricating oil of existing sealing or the protection of hydraulic oil system, and between transportation and down period, the loss of parts lubricating oil and be exposed to wet environment under the generation corrosion.Existing sealing equipment does not reach the place of slushing oil as the blind hole of engine, large-scale compressor, special gear box, dead angle etc., and oxidation is easily got rusty.

Summary of the invention

The present invention is exactly in order to address the above problem, and the blind hole, dead angle etc. that overcome sealing equipment do not reach the place of slushing oil, oxidation easily, and the problem of getting rusty provides a kind of machinery seal vapor phase anti-rust.This invention is applicable to the antirust of engine, large-scale compressor, special gear box, mainly is applicable to the antirust of airtight inner chamber system.

The present invention is to be the main antirust concentrated solution of being processed into of oil base with the oil.It is antirust to be used for the ferrous and nonferrous metals; the lubricating oil that is specially adapted to seal or the protection of hydraulic oil system; between transportation and down period, the loss of parts lubricating oil and be exposed to wet environment under and produce corrosion can address this problem after the interpolation in system effectively.This product has the defencive function of two kinds of uniquenesses: the first, produce the antirust oil film of one deck viscosity in the metallic surface, and can prevent sealing and fry dried food ingredients lactogenesisization; The second, discharge inhibition gas on pasta, these gas accumulations form the volatile rust prevention layer to the metallic surface that does not have the oil film protection.

The technical problem that will solve required for the present invention can be achieved through the following technical solutions:

As a first aspect of the present invention, a kind of machinery seal vapor phase anti-rust, according to the mass percent meter, its prescription is:

Dinonyl naphthalene sulfonate barium 3%-15%,

Petroleum sodium sulfonate 3%-15%,

Dodecenylsuccinic acid 1%-15%,

Dicyclohexyl amine nitrite 0%-5%,

Ethanol 0%-5%,

Hydrocarbon solvent 5%-88%.

The prescription of preferred mechanical seal vapor phase anti-rust is:

Dinonyl naphthalene sulfonate barium 5%;

Petroleum sodium sulfonate 5%;

Dodecenylsuccinic acid 1.6%;

Dicyclohexyl amine nitrite 0.8%;

Ethanol 0.5%;

Hydrocarbon solvent 87.6%.

As a second aspect of the present invention, the preparation method of described machinery seal vapor phase anti-rust may further comprise the steps, according to the mass percent meter:

(1) hydrocarbon solvent 5-88% is dropped into mixed cylinder, heat to 45 degrees centigrade;

(2) dinonyl naphthalene sulfonate barium 3%-15%, petroleum sodium sulfonate 3%-15%, dodecenylsuccinic acid 1%-15% are dropped into mixed cylinder successively, stirred 1 hour;

(3) dicyclohexyl amine nitrite 0%-5% and ethanol 0%-5% are mixed mutually even after, drop into mixed cylinder, stirred 1 hour, obtain product.

Wherein, the speed that stirs in the described step (2) is 40rpm.

Wherein, the speed that stirs in the described step (3) is 40rpm.

Using method of the present invention

Miniature workpiece is sealed up for safekeeping antirust: workpiece is immersed this product took out in several minutes, then with polyethylene or polyvinyl chloride plastic film sealed storage.

Main equipment inside is sealed up for safekeeping antirust: this product is injected mechanical device interior, sealed storage.

Beneficial effect of the present invention:

1, the present invention is applicable to the antirust of ferrous and nonferrous metals, can effectively prevent the corrosion of muriate, sulfide, and anti-height is moist good.

2, nontoxic, do not contain objectionable impuritiess such as chromic salt and phosphoric acid salt.

3, Heat stability is good.

4, can with lubricating oil, hydraulic efficiency oil or punching oil diluted mixture.

Embodiment

In order to make technique means of the present invention, creation characteristic, to reach purpose and effect is easy to understand,, further set forth the present invention below in conjunction with specific embodiment.

Embodiment

1. the selection of base oil

Consider that oil require has certain volatility, and can be compatible with lubricating oil, the base oil of hydrocarbon solvent D60 selected as it.

2. the selection of rust-preventive agent

Volatile rust preventive oil had both required the liquid phase good antirust property, required the volatile rust prevention performance to touch the mark again, also will have in good water substituting energy and the acid and performance.So when selecting rust-preventive agent, will consider antirust to black and non-ferrous metal, consider other performance again.Selected for this reason to black and non-ferrous metal all have the additive dinonyl naphthalene sulfonate barium (Hangzhou Refinery T705 technical grade) of better rustless property and petroleum sodium sulfonate (Hangzhou Refinery T702 technical grade) and with the stronger composite water substituting energy of examining or check of dodecenylsuccinic acid (T746 of WUXI SOUTH PETROLEUM ADDITIVE Co., LTD. technical grade) of water yield displacement performance, compositely the results are shown in Table 1.

The selection of table 1 water displacement rust-preventive agent

Formula number	??T705/％	??T702/％	??T746/％	Water displacement test
					??1	??5	??5	??0.2	Defective
??2	??5	??5	??0.4	Defective

Formula number	??T705/％	??T702/％	??T746/％	Water displacement test
					??3	??5	??5	??0.6	Defective
??4	??5	??5	??0.8	Defective
					??5	??5	??5	??1.0	Qualified
??6	??5	??5	??1.2	Qualified
					??7	??5	??5	??1.4	Qualified
??8	??5	??5	??1.6	Qualified
					??9	??5	??5	??1.8	Qualified
??10	??5	??5	??2.0	Qualified

As seen from Table 1, dodecenylsuccinic acid (T746) add-on reaches 1% amount when above, and the water displacement is qualified.

3. the compatibleness of rust-preventive agent

The rustless property key of slushing oil is the selection and the compatibleness of rust-preventive agent.If the compatibleness of rust-preventive agent is bad, also fall flat.Select the qualified several prescriptions of water substituting energy to do the quick condensation test of steel disc, the results are shown in Table 2.

Table 2 is condensation test fast

Formula number	Condensation case runtime/d	Evaluation result
			??5	??2	There is rust defective
??6	??2	There is rust defective
			??7	??2	There is rust qualified
??8	??2	Rustless qualified
			??9	??2	Rustless qualified
??10	??2	Rustless qualified

As seen from Table 2, the result of No. 8 No. 9 No. 10 prescriptions is qualified, and No. 8 formulation cost is lower, preferred No. 8 prescriptions.

The selection of 4 vapor phase inhibitors

The vapor phase inhibitor of metal has carbonic acid dicyclohexyl amine (the analytical pure AR of Shanghai new peak chemical reagent company limited level) and dicyclohexyl amine nitrite (the analytical pure AR of Shanghai new peak chemical reagent company limited level).

The oil soluble of dicyclohexyl amine nitrite is relatively poor, because of ethanol (the Shanghai brilliance chemistry AR of chemical reagent work level analytical pure) has solublization to dodecenylsuccinic acid (T746 of WUXI SOUTH PETROLEUM ADDITIVE Co., LTD. technical grade) and dicyclohexyl amine nitrite, adopt ethanol to make solubility promoter, the test-results of volatile rust prevention sees Table 3.

The test of table 3 volatile rust prevention

Formula number	??T705/％	??T702/％	??T746/％	Carbonic acid dicyclohexyl amine/%	Dicyclohexyl amine nitrite/%	Ethanol/%	Solvability	Volatile rust prevention test (steel disc)
									??11	??5	??5	??1.6	??0.5			Do not precipitate	Defective
??12	??5	??5	??1.6	??1.0			Do not precipitate	Defective
									??13	??5	??5	??1.6	??1.5			Precipitation	Qualified
??14	??5	??5	??1.6		??0.4	??0.5	Do not precipitate	Defective
									??15	??5	??5	??1.6		??0.5	??0.5	Do not precipitate	Defective
??16	??5	??5	??1.6		??0.6	??0.5	Do not precipitate	Defective
									??17	??5	??5	??1.6		??0.7	??0.5	Do not precipitate	Defective
??18	??5	??5	??1.6		??0.8	??0.5	Do not precipitate	Qualified
									??19	??5	??5	??1.6		??0.9	??0.5	Precipitation	Qualified
??20	??5	??5	??1.6		??1.0	??0.5	Precipitation	Qualified

From watch test 3 as seen, the volatile rust prevention stand the test of No. 18 prescriptions does not have precipitation.

According to above 3 tests, determine that the composition and the scope of prescription is as follows: (massfraction %)

Composition is best usually

T705 dinonyl naphthalene sulfonate barium 3%-15%, 5%;

T702 petroleum sodium sulfonate 3%-15%, 5%;

T746 dodecenylsuccinic acid 1%-15%, 1.6%;

Dicyclohexyl amine nitrite 0%-5%, 0.8%;

Ethanol 0%-5%, 0.5%;

D60 hydrocarbon solvent 5%-88%, 87.6%.

The preparation method of machinery seal vapor phase anti-rust may further comprise the steps, according to the mass percent meter:

(1) hydrocarbon solvent 5-88% is dropped into mixed cylinder, heat to 45 degrees centigrade;

(2) T705 dinonyl naphthalene sulfonate barium 3%-15%, T702 petroleum sodium sulfonate 3%-15%, dodecenylsuccinic acid 1%-15% are dropped into mixed cylinder successively, 40rpm stirred 1 hour;

(3) dicyclohexyl amine nitrite 0%-5% and ethanol 0%-5% are mixed mutually even after, drop into mixed cylinder, 40rpm stirred 1 hour, obtained product.

Do the every analysis of experiments of machinery seal vapor phase anti-rust, the results are shown in Table 4

The analysis of table 4 machinery seal vapor phase anti-rust

Project	Develop oily test value
		Sludge number/mL	??0.03
Hydrocarbons solubleness	Not stratified
		Humid heat test 10d	Steel, copper, aluminium is rustless
The acid neutralization test	Steel is qualified
		The water substituting test	Steel is qualified
Vapor inhibitability test	Steel is qualified
		Consume the back vapor inhibitability test	Steel is qualified
55 degrees centigrade of (7d) mg/cm2 of corrosion test (weightlessness)	Steel 0.08 brass 0.04 aluminium 0.12

The product application test-results shows that machinery seal vapor phase anti-rust has reached the requirement of slushing oil JB-4050 quality index.And through after using, prove that this product rust-preventing characteristic is good, the volatile rust prevention performance is strong than like product, has solved the place that the blind hole of sealing equipment and dead angle etc. do not reach slushing oil, oxidation easily, a difficult problem of getting rusty.And construction is simple, and cost is lower.

More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (5)

1. machinery seal vapor phase anti-rust, according to the mass percent meter, its prescription is:

Dinonyl naphthalene sulfonate barium 3%-15%,

Petroleum sodium sulfonate 3%-15%,

Dodecenylsuccinic acid 1%-15%,

Dicyclohexyl amine nitrite 0%-5%,

Ethanol 0%-5%,

Hydrocarbon solvent 5%-88%.

2. machinery seal vapor phase anti-rust according to claim 1 is characterized in that, the prescription of described machinery seal vapor phase anti-rust is:

Dinonyl naphthalene sulfonate barium 5%;

Petroleum sodium sulfonate 5%;

Dodecenylsuccinic acid 1.6%;

Dicyclohexyl amine nitrite 0.8%;

Ethanol 0.5%;

Hydrocarbon solvent 87.6%.

3. the preparation method of a machinery seal vapor phase anti-rust as claimed in claim 1 may further comprise the steps, according to the mass percent meter:

(1) hydrocarbon solvent 5-88% is dropped into mixed cylinder, heat to 45 degrees centigrade;

(2) dinonyl naphthalene sulfonate barium 3%-15%, petroleum sodium sulfonate 3%-15%, dodecenylsuccinic acid 1%-15% are dropped into mixed cylinder successively, stirred 1 hour;

(3) dicyclohexyl amine nitrite 0%-5% and ethanol 0%-5% are mixed mutually even after, drop into mixed cylinder, stirred 1 hour, obtain product.

4. machinery seal vapor phase anti-rust according to claim 3 is characterized in that, the speed that stirs in the described step (2) is 40rpm.

5. machinery seal vapor phase anti-rust according to claim 3 is characterized in that, the speed that stirs in the described step (3) is 40rpm.