CN103952706A - Internal combustion engine cooling liquid corrosion inhibitor - Google Patents
Internal combustion engine cooling liquid corrosion inhibitor Download PDFInfo
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- CN103952706A CN103952706A CN201410107673.7A CN201410107673A CN103952706A CN 103952706 A CN103952706 A CN 103952706A CN 201410107673 A CN201410107673 A CN 201410107673A CN 103952706 A CN103952706 A CN 103952706A
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- acid
- cooling liquid
- conditioning agent
- deionized water
- combustion engine
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Abstract
The invention discloses an internal combustion engine cooling liquid corrosion inhibitor. The internal combustion engine cooling liquid corrosion inhibitor comprises phosphite, triaminocaproic acid s-triazine sodium salt, organic monocarboxylic acid, organic dicarboxylic acid, arylsulfinylamino acid, a nitrogenous heterocyclic compound, a pH conditioning agent and deionized water. The internal combustion engine cooling liquid corrosion inhibitor utilizes compounding of the organic acid salt-type corrosion inhibitor, phosphite, organic monocarboxylic acid, organic dicarboxylic acid, arylsulfinylamino acid and the nitrogenous heterocyclic compound are fast dissolved at a high pH value and the solution is added into an internal combustion engine cooling liquid according to a mass ratio of 1: 10-15 in use so that cast aluminum alloy and soldering tin corrosion inhibition properties are good and steel, cast iron, brass and copper corrosion inhibition and protection performances are good.
Description
Technical field
The present invention relates to inhibiter applied technical field, espespecially a kind of inhibiter of cooling liquid of IC engine.
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Background technology
Oil engine has been widely used in many fields such as industry, agricultural, military affairs, communications and transportation, during internal combustion engine, fuel oil burns and emits heat in combustion chamber, the transient temperature of combustion chamber can reach 2000 ℃, these heat major parts are converted into mechanical work, a part has been drained with tail gas, and some has passed to the parts such as piston, piston ring, cylinder sleeve, cylinder head and water pump that contact with him, and this part heat accounts for 20%～30% of net quantity of heat.Therefore, when internal combustion engine, must carry out parts suitable cooling, common are air-cooled and two kinds of systems of water-cooled, air cooling system is exactly that the appearance of cylinder sleeve and cylinder head etc. has many thin radiator element, utilize extraneous air to carry out them directly cooling, this air cooling system is used on small agricultural internal combustion engine and small-sized Vehicular internal combustion engine mostly; Water-cooling system is exactly that surrounding at cylinder sleeve and cylinder head etc. makes water jacket, and water surrounds them and carries out cooling system, and the high-temperature gas in combustion chamber is passed to the heat of parts around and taken away by water, and the entrained heat of water is dispersed in surrounding environment.
Continuous progress and development along with oil engine, especially the development of automotive industry, trolley part lightness, internal-combustion engine rotational speed high speed, compact construction, with low-density aluminium alloy, replace original parts to become a kind of trend, combustion motor cooling fluid product not only requires harsh on antiseptic property in the world, but also increased the requirement of environmental protection aspect, therefore, good corrosionproof protection to aluminium becomes to attach most importance to, require not only good to cast aluminium alloy and scolding tin corrosion inhibition, and to steel, cast iron, brass, the inhibition barrier propterty of copper is good, this just needs a kind of Inhibitor of Internal Combustion Engine Coolant that is applicable to this demand for development.
Summary of the invention
The inhibiter of a kind of cooling liquid of IC engine of the present invention, it is characterized in that: the compound coupling that adopts organic acid salt type inhibiter, during use in the inhibiter cooling liquid of IC engine that 1:10～15 add in mass ratio, realize the main inhibition to cast aluminium alloy and scolding tin, and take into account the object to steel, cast iron, brass, copper inhibition protection.
To achieve these goals, technical solution of the present invention is: a kind of inhibiter of cooling liquid of IC engine is comprised of phosphorous acid ester, triamino caproic acid s-triazine sodium salt, organic monocarboxylic acid, Dicarboxylic Acids, arylsulfonyl support amino acid, nitrogen-containing heterocycle compound, PH conditioning agent and deionized water, and each component and quality percentage composition thereof are:
Phosphorous acid ester 2～5%
Triamino caproic acid s-triazine sodium salt 3～5%
Organic monocarboxylic acid 3～6%
Dicarboxylic Acids 10～15%
Nitrogen-containing heterocycle compound 0.5～2%
Arylsulfonyl support amino acid 2～4%
Defoamer 1～2%
PH conditioning agent 20～30%
Deionized water surplus
Further, described organic monocarboxylic acid is one or more in enanthic acid, sad, isocaprylic acid and n-nonanoic acid, preferably enanthic acid and sad;
Described Dicarboxylic Acids is one or more in undecane diacid, dodecanedioic acid and laurylene base succsinic acid;
Described nitrogen-containing heterocycle compound is one or more in 124 Triazole and derivative compound and tetrazole and derivative compound thereof, and preferably 124 Triazole, methyl benzotriazole, methyne 124 Triazole, 5-butyl tetrazole, 5-octyl group tetrazole, 5-are to phenmethyl tetrazole, 5-isophthalic methyl tetrazole;
Described phosphorous acid ester, is not only good aluminium inhibiter, and is the tenderizer of hard water.
Described PH conditioning agent is after one or more in alkali-metal oxyhydroxide, Starso and organic alcohol amine mixture dissolve with pure water, formulated solution.
Preparation method of the present invention is: under the condition stirring, alkali-metal oxyhydroxide, Starso and organic alcohol amine are dissolved in deionized water, and the PH conditioning agent being configured to takes out a part of standby; Under the condition stirring, in reactor, add part deionized water, add successively phosphorous acid ester, triamino caproic acid s-triazine sodium salt, organic monocarboxylic acid, Dicarboxylic Acids, arylsulfonyl support amino acid, nitrogen-containing heterocycle compound, after each components dissolved mixes, add again defoamer and remaining deionized water, with PH conditioning agent, regulate mixing solutions pH value to 8.5～9.5, stop stirring, get final product to obtain corrosion inhibitor product.
Advantage and disadvantage of the present invention is: adopt quick phosphorous acid ester, organic monocarboxylic acid, Dicarboxylic Acids, arylsulfonyl support amino acid and the nitrogen-containing heterocycle compound of dissolving under higher pH value condition, dissolve fast, during use in the inhibiter cooling liquid of IC engine that 1:10～15 add in mass ratio, not only good to cast aluminium alloy and scolding tin corrosion inhibition, and good to the inhibition barrier propterty of steel, cast iron, brass, copper.
Embodiment
Embodiment 1
A kind of inhibiter of cooling liquid of IC engine is comprised of phosphorous acid ester, triamino caproic acid s-triazine sodium salt, sad, undecane diacid, arylsulfonyl support amino acid, methyne 124 Triazole, PH conditioning agent, defoamer and deionized water, and each component and quality percentage composition thereof are:
Phosphorous acid ester 2%
Triamino caproic acid s-triazine sodium salt 5%
Sad 3%
Undecane diacid 15%
Methyne 124 Triazole 0.5%
Arylsulfonyl support amino acid 4%
Defoamer 1%
PH conditioning agent 20%
Deionized water surplus
In reactor, add 5 kilograms of deionized waters, open and stir, add 9 kg of hydrogen potassium oxides and 5 kilograms of trolamines, make PH conditioning agent, take out 2 kilograms of PH conditioning agents, standby; Under the condition stirring, in reactor, add 15 kilograms of deionized waters, add successively that 2 kilograms of phosphorous acid esters, 5 kilograms of triamino caproic acid s-triazine sodium salts, 3 kilograms are sad, 15 kilograms of undecane diacids, 4 kilograms of arylsulfonyls support amino acid, 0.5 kilogram of methyne 124 Triazole, after each components dissolved mixes, add again 1 kilogram of defoamer and remaining deionized water, with standby PH conditioning agent, regulate mixing solutions pH value to 8.5～9.5, stop stirring, make double centner corrosion inhibitor product.
Embodiment 2
A kind of inhibiter of cooling liquid of IC engine is comprised of phosphorous acid ester, triamino caproic acid s-triazine sodium salt, enanthic acid, laurylene base succsinic acid, dodecanedioic acid, arylsulfonyl support amino acid, methyne 124 Triazole, 5-octyl group tetrazole, PH conditioning agent, defoamer and pure water, and each component and quality percentage composition thereof are:
Phosphorous acid ester 5%
Triamino caproic acid s-triazine sodium salt 3%
Enanthic acid 6%
Laurylene base succsinic acid 3%
Dodecanedioic acid 7%
Methyne 124 Triazole 1%
5-octyl group tetrazole 1%
Arylsulfonyl support amino acid 2%
Defoamer 2%
PH conditioning agent 25%
Deionized water surplus
In reactor, add 14.5 kilograms of deionized waters, open and stir, add 10.5 kg of hydrogen sodium oxides, make PH conditioning agent, take out 2 kilograms of PH conditioning agents, standby; Under the condition stirring, in reactor, add 18 kilograms of deionized waters, add successively 5 kilograms of phosphorous acid esters, 3 kilograms of triamino caproic acid s-triazine sodium salts, 6 kilograms of enanthic acid acid, 3 kilograms of laurylene base succsinic acids, 7 kilograms of dodecanedioic acids, 2 kilograms of arylsulfonyl support amino acid, 1 kilogram of methyne 124 Triazole, 1 kilogram of 5-octyl group tetrazole, after each components dissolved mixes, add again 2 kilograms of defoamers and remaining deionized water, with standby PH conditioning agent, regulate mixing solutions pH value to 8.5～9.5, stop stirring, make double centner corrosion inhibitor product.
Embodiment 3
A kind of inhibiter of cooling liquid of IC engine is comprised of phenmethyl tetrazole, PH conditioning agent and pure water phosphorous acid ester, triamino caproic acid s-triazine sodium salt, isocaprylic acid, undecane diacid, dodecanedioic acid, arylsulfonyl support amino acid, 5-, and each component and quality percentage composition thereof are:
Phosphorous acid ester 4%
Triamino caproic acid s-triazine sodium salt 4%
Isocaprylic acid 4.5%
Undecane diacid 8%
Dodecanedioic acid 4%
5-is to phenmethyl tetrazole 1%
Arylsulfonyl support amino acid 3%
Defoamer 1.5%
PH conditioning agent 30%
Pure water surplus
In reactor, add 41 kilograms of deionized waters, open and stir, add 18 kg of hydrogen sodium oxides and 1 kilogram of Starso, make PH conditioning agent, take out 6 kilograms of PH conditioning agents, standby; Under the condition stirring, in reactor, add 30 kilograms of deionized waters, add successively 8 kilograms of phosphorous acid esters, 8 kilograms of triamino caproic acid s-triazine sodium salts, 9 kilograms of isocaprylic acids, 18 kilograms of undecane diacids, 8 kilograms of dodecanedioic acids, 6 kilograms of arylsulfonyl support amino acid, 2 kilograms 5-to phenmethyl tetrazole, after each components dissolved mixes, add again 3 kilograms of defoamers and remaining deionized water, with standby PH conditioning agent, regulate mixing solutions pH value to 8.5～9.5, stop stirring, make 200 kilograms of corrosion inhibitor product.
The above; embodiment is only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; under the prerequisite of spirit that does not depart from the technology of the present invention; various distortion and improvement that this area engineering technical personnel make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (2)
1. the inhibiter of a cooling liquid of IC engine, it is characterized in that: the inhibiter of described cooling liquid of IC engine is comprised of phosphorous acid ester, triamino caproic acid s-triazine sodium salt, organic monocarboxylic acid, Dicarboxylic Acids, arylsulfonyl support amino acid, nitrogen-containing heterocycle compound, PH conditioning agent and deionized water, and each component and quality percentage composition thereof are:
Phosphorous acid ester 2～5%
Triamino caproic acid s-triazine sodium salt 3～5%
Organic monocarboxylic acid 3～6%
Dicarboxylic Acids 10～15%
Nitrogen-containing heterocycle compound 0.5～2%
Arylsulfonyl support amino acid 2～4%
Defoamer 1～2%
PH conditioning agent 20～30%
Deionized water surplus
Under the condition stirring, alkali-metal oxyhydroxide, Starso and organic alcohol amine are dissolved in deionized water, and the PH conditioning agent being configured to takes out a part of standby; Under the condition stirring, in reactor, add part deionized water, add successively phosphorous acid ester, triamino caproic acid s-triazine sodium salt, organic monocarboxylic acid, Dicarboxylic Acids, arylsulfonyl support amino acid, nitrogen-containing heterocycle compound, after each components dissolved mixes, add again defoamer and remaining deionized water, with PH conditioning agent, regulate mixing solutions pH value to 8.5～9.5, stop stirring, get final product to obtain corrosion inhibitor product.
2. the inhibiter of a kind of cooling liquid of IC engine according to claim 1, is characterized in that: described organic monocarboxylic acid is one or more in enanthic acid, sad, isocaprylic acid and n-nonanoic acid, preferably enanthic acid and sad; Described Dicarboxylic Acids is one or more in undecane diacid, dodecanedioic acid and laurylene base succsinic acid; Described nitrogen-containing heterocycle compound is one or more in 124 Triazole and derivative compound and tetrazole and derivative compound thereof, and preferably 124 Triazole, methyl benzotriazole, methyne 124 Triazole, 5-butyl tetrazole, 5-octyl group tetrazole, 5-are to phenmethyl tetrazole, 5-isophthalic methyl tetrazole; Described PH conditioning agent is after one or more in alkali-metal oxyhydroxide, Starso and organic alcohol amine mixture dissolve with pure water, formulated solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107673.7A CN103952706A (en) | 2014-03-23 | 2014-03-23 | Internal combustion engine cooling liquid corrosion inhibitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107673.7A CN103952706A (en) | 2014-03-23 | 2014-03-23 | Internal combustion engine cooling liquid corrosion inhibitor |
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| CN103952706A true CN103952706A (en) | 2014-07-30 |
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| CN201410107673.7A Pending CN103952706A (en) | 2014-03-23 | 2014-03-23 | Internal combustion engine cooling liquid corrosion inhibitor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264156A (en) * | 2014-09-28 | 2015-01-07 | 华中师范大学 | Perfluoroalkyl sulfonyloxy benzyl heterocyclic corrosion inhibitor as well as preparation method and application thereof |
| CN107475724A (en) * | 2017-07-06 | 2017-12-15 | 广东石油化工学院 | Nitrogenous organic phosphorous acids corrosion inhibiter and synthetic method |
| CN112501617A (en) * | 2020-11-12 | 2021-03-16 | 陕西科技大学 | Double-hydrophobic-chain modified L-histidine corrosion inhibitor and preparation method and application thereof |
| CN112575330A (en) * | 2020-12-09 | 2021-03-30 | 安徽天驰先锋油品制造有限公司 | Novel cooling liquid corrosion inhibitor and preparation method thereof |
-
2014
- 2014-03-23 CN CN201410107673.7A patent/CN103952706A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264156A (en) * | 2014-09-28 | 2015-01-07 | 华中师范大学 | Perfluoroalkyl sulfonyloxy benzyl heterocyclic corrosion inhibitor as well as preparation method and application thereof |
| CN107475724A (en) * | 2017-07-06 | 2017-12-15 | 广东石油化工学院 | Nitrogenous organic phosphorous acids corrosion inhibiter and synthetic method |
| CN112501617A (en) * | 2020-11-12 | 2021-03-16 | 陕西科技大学 | Double-hydrophobic-chain modified L-histidine corrosion inhibitor and preparation method and application thereof |
| CN112575330A (en) * | 2020-12-09 | 2021-03-30 | 安徽天驰先锋油品制造有限公司 | Novel cooling liquid corrosion inhibitor and preparation method thereof |
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