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Engine interior cleaning agent as well as preparation method and application thereof

An engine and cleaning agent technology, applied in the petroleum industry, lubricating compositions, etc., can solve problems such as poor cleaning effect and sludge residue at the bottom of the engine, and achieve excellent detergency, clean cleaning, and simple operation

Active Publication Date: 2020-01-14
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cleaning effect of the existing cleaning agents is not good, especially it is difficult to avoid the sludge residue at the bottom of the engine after the car has been driven for a long time

Method used

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  • Engine interior cleaning agent as well as preparation method and application thereof
  • Engine interior cleaning agent as well as preparation method and application thereof
  • Engine interior cleaning agent as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment provides an engine interior cleaning agent, including component I and component II.

[0040] The raw material of described component I consists of:

[0041]

[0042] The component I is prepared according to the following method: add the OCP viscosity index improver with an SSI of 20, metal calcium alkylbenzenesulfonate, and pour point depressant Vx1-248 to 650SN base oil respectively, and heat at 50°C Stir for 60 minutes, cool down to 35°C, add petroleum ether and Tween 60, and stir at constant temperature for 30 minutes to obtain the product.

[0043] Described component II comprises the composition of following percentage by weight:

[0044]

[0045] The component II is prepared according to the following method: add OCP viscosity index improver with SSI of 50, metal calcium alkylbenzenesulfonate, and pour point depressant Vx1-248 to 150SN base oil respectively, at 55°C, Stir for 60 minutes and that's it.

[0046] In this example, the performa...

Embodiment 2

[0050] This embodiment provides an engine interior cleaning agent, including component I and component II.

[0051] The raw material of described component I consists of:

[0052]

[0053] The component I is prepared according to the following method: add OCP viscosity index improver with SSI of 25, metal magnesium alkyl salicylate, and pour point depressant Vx1-248 to AP / E 150SN and AP / E 1600SN respectively In the mixed base oil, stir at 55°C for 60 minutes, after cooling down to 35°C, add petroleum ether and Tween 60, and stir at constant temperature for 30 minutes to obtain.

[0054] Described component II comprises the composition of following percentage by weight:

[0055]

[0056]

[0057] The component II is prepared according to the following method: add OCP viscosity index improver with SSI of 45, metal calcium alkylbenzenesulfonate, metal calcium alkylphenol, and pour point depressant Vx1-244 to 150SN and 750SN respectively In the mixed base oil, stir for ...

Embodiment 3

[0062] This embodiment provides an engine interior cleaning agent, including component I and component II.

[0063] The raw material of described component I consists of:

[0064]

[0065]

[0066] The component I is prepared according to the following method: OCP viscosity index improver with SSI of 25, metal magnesium alkyl salicylate, metal calcium alkylbenzene sulfonate, and pour point depressant Vx1-248 are respectively added to AP / E 150SN and AP / E 1600SN mixed base oil, stirred at 60°C for 60 minutes, cooled to 40°C, added petroleum ether and Tween 20, and stirred at constant temperature for 30 minutes to obtain the product.

[0067] Described component II comprises the composition of following percentage by weight:

[0068]

[0069] The component II is prepared according to the following method: add OCP viscosity index improver with SSI of 35, metal magnesium alkyl salicylate, metal calcium alkylphenol, and pour point depressant Vx1-385 to 150SN base oil resp...

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Abstract

The invention provides an engine interior cleaning agent which comprises a component I and a component II, wherein the component I comprises the following components in percentage by weight: 3-5% of aviscosity index improver, 10-15% of a detergent, 15-20% of petroleum ether, 0.1-0.7% of a coagulant depressant, 0.5-1.5% of a solubilizer, and the balance of class I base oil; the component II comprises the following components in percentage by weight: 5-10% of a viscosity index improver, 5-10% of a detergent, 0.2-0.5% of a coagulant depressant, and the balance of class I base oil. The inventionfurther provides a preparation method of the engine interior cleaning agent. The invention further provides a method for cleaning an engine by using the engine interior cleaning agent. The engine interior cleaning agent provided by the invention is capable of keeping the interior of the engine clean, enhancing the oil fluidity, reducing wear, and prolonging the service life of the engine, and canbe widely applied to automobiles with gasoline engines and diesel engines.

Description

technical field [0001] The invention relates to a lubricating oil cleaning agent, in particular to an engine internal cleaning agent. Background technique [0002] Engine cleaning involves the inside and outside. The outside of the engine is exposed in the engine compartment and is generally rarely cleaned. Harmful substances such as internal sludge, carbon deposits, and gums can keep the interior of the engine clean, enhance the fluidity of the oil, reduce wear and tear, and prolong the service life of the engine. Due to the precision of the engine structure, the engine cleaning adopts the disassembly-free method, so the engine cleaning agent is also called the non-disassembly engine cleaning agent. Engine internal cleaning agent is a product developed to solve the problems of sludge, colloid, carbon deposits, paint film, dirt and other deposits in the lubrication system. It is composed of various components with very strong cleaning ability. Additives for automatic clean...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N30/04C10N40/25
CPCC10M169/048C10M2219/044C10M2203/102C10M2209/104C10M2209/109C10M2207/144
Inventor 鄂红军朱和菊徐夏歌金佳佳
Owner CHINA PETROLEUM & CHEM CORP
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