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Engine carbon deposit cleaning composition, method for preparing engine carbon deposit cleaning composition, and method for cleaning engine carbon deposit

A cleaning composition, engine technology, applied in the preparation of detergent mixture composition, organic cleaning composition, detergent composition, etc., can solve environmental hazards, unsatisfactory cleaning efficiency of cleaning agents or detergents, etc. question

Active Publication Date: 2021-09-21
3M CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, these cleaners or detergents contain aromatic hydrocarbon solvents, glycol ethers, or strong bases, which may pose a potential hazard to the environment
In addition, the cleaning efficiency of existing cleaning agents or detergents is not satisfactory

Method used

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  • Engine carbon deposit cleaning composition, method for preparing engine carbon deposit cleaning composition, and method for cleaning engine carbon deposit
  • Engine carbon deposit cleaning composition, method for preparing engine carbon deposit cleaning composition, and method for cleaning engine carbon deposit
  • Engine carbon deposit cleaning composition, method for preparing engine carbon deposit cleaning composition, and method for cleaning engine carbon deposit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0055] The present invention will be described in more detail below by means of examples, which are only exemplary and should not be construed as limiting the scope of the present invention.

[0056] Table 1: Raw material list

[0057]

[0058] Test Methods

[0059] The present invention adopts the "combustion chamber deposit cleaning simulation test" to test the ability of the engine carbon deposit cleaning composition provided by the embodiments of the present invention and comparative examples to clean the carbon deposits in the engine combustion chamber.

[0060] In addition, the present invention adopts "metal corrosion resistance test" to test the metal corrosion ability of the engine carbon deposit cleaning composition provided by the examples and comparative examples of the present invention.

[0061] The present invention evaluates whether the appearance of the engine carbon deposit cleaning composition provided by the embodiments of the present invention and the ...

Embodiment E1-E13

[0117] Under the condition of normal temperature (25 DEG C ± 5 DEG C) normal pressure (1 atmospheric pressure), by the components shown in Table 2 and the weight ratio (weight %) with the engine carbon deposition cleaning composition provided by the embodiment of the present invention The various components of each component were mixed in a glass beaker to obtain engine carbon deposit cleaning compositions E1-E13. Observe the appearance of the engine carbon deposit cleaning composition E1-E13, and carry out "combustion chamber deposit cleaning simulation test" and "metal corrosion resistance test" respectively for the engine carbon deposit cleaning composition E1-E13, and the test results are listed in Table 2 respectively .

[0118] Table 2

[0119]

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PUM

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Abstract

The invention provides an engine carbon deposit cleaning composition, which comprises: (a) 3-10% by weight of oleylamine; (b) 0-60 % by weight of fatty alcohol polyoxyethylene ether modified silicone surfactant; (c) 30-83% by weight of pyrrolidone; (d) 5-67% by weight of ethylene glycol butyl ether; and (e) 0- 20% by weight of water. The engine carbon deposit cleaning composition has good carbon deposit cleaning ability and good metal corrosion resistance.

Description

technical field [0001] The invention relates to a composition for cleaning engine carbon deposits, a method for preparing the composition for cleaning engine carbon deposits, and a method for cleaning engine carbon deposits. Background technique [0002] Car engines are prone to carbon deposits (also known as "carbon deposits") during work. These carbon deposits are usually formed at high temperatures from substances in the fuel, fuel decomposition products, fuel combustion products, airborne pollutants not removed by filtration, and lubricating oil residues, and remain in the engine's fuel introduction system, further valve or combustion chamber. Carbon deposits in automobile engines can cause uneven or insufficient fuel delivery in the engine cylinders, resulting in poor engine performance, increased emissions, and poor fuel combustion efficiency. [0003] Existing some cleaning agents that can be used to remove engine carbon deposits in the prior art. For example, US29...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D1/82C11D3/30C11D3/28C11D3/20C11D3/60B08B3/08
CPCC11D1/82C11D3/30C11D3/28C11D3/2068B08B3/08C11D2111/16
Inventor 霍鑫张金荣夏科峰沈智良王卫峰
Owner 3M CHINA
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