Protective coating liquid of engine

A protective coating and engine technology, applied in the petroleum industry, additives, lubricating compositions, etc., can solve problems such as inability to wear and fill, poor repair effect, etc., to achieve increased sealing, excellent repair performance, and prevention of agglomeration Effect

Active Publication Date: 2016-05-11
山东山河环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two problems in the nano-solid restorative agent: one is the nano-agglomeration problem as a universal problem
This kind of repair agent has a good repair effect on the cylinder with a certain degree of surface wear, but the repair effect is not good for the cylinder with groove wear
This is because there are no solid particles in the fluorocarbon repair, and the thickness of the film is only 4 to 8 nanometers, which cannot fill the deep hook wear

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take by weighing preferably 1.5% polytetrafluoroethylene whose molecular chain length is less than or equal to 3 microns, join in dispersant 13.3%, adopt high-speed dispersion, rotating speed 1300 revs / min, to fineness less than 2 μ m, obtain predispersion I- 1.

[0022] Take 71.1% of 100N base oil and 8% of viscosity index improver, add to dispersion I-1, disperse at low speed for 30 minutes, rotate at 300 rpm, control temperature within 50°C, and filter to obtain dispersion II-1.

[0023] Add 6% of the adhesive to the dispersion II-1, mix at a low speed of 200 rpm for 30 minutes, control the temperature within 50°C, filter and subpackage, and record it as sample S1.

Embodiment 2

[0025] Take preferably 2.6% polytetrafluoroethylene with molecular chain length less than or equal to 3 microns, join in dispersant 11.1%, adopt high-speed dispersion, rotating speed 1400 rev / min, to fineness less than 2 μ m, obtain predispersion I- 2.

[0026] Take 70.7% of 100N base oil and 8.9% of viscosity index improver, add to dispersion I-2, disperse at low speed for 40 minutes, rotate at 600 rpm, control temperature within 50°C, and filter to obtain dispersion II-2.

[0027] Add 6.7% of the adhesive to the dispersion II-2, mix at a low speed of 200 rpm for 30 minutes, control the temperature within 50°C, filter and subpackage, and record it as sample S2.

Embodiment 3

[0029] Take preferably 4.5% polytetrafluoroethylene with molecular chain length less than or equal to 3 microns, join in dispersant 12.9%, adopt high-speed dispersion, rotating speed 1550 rev / min, to fineness less than 2 μ m, obtain predispersion I- 3.

[0030] Take 65% of 100N base oil and 11.1% of viscosity index improver, add to dispersion I-2, disperse at low speed for 30 minutes, rotate at 450 rpm, control temperature within 50°C, and filter to obtain dispersion II-3.

[0031] Add 7.5% of the adhesive to the dispersion II-3, mix at a low speed of 200 rpm for 50 minutes, control the temperature within 50°C, filter and pack, and record as sample S3.

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Abstract

The invention discloses protective coating liquid of an engine, and a preparation method and application of the protective coating liquid. The protective coating liquid is prepared from polytetrafluoroethylene, a dispersing agent, base oil, viscosity index improver and an adhesive. The protective coating liquid is mixed with lubricating oil for protecting the engine. The protective coating liquid has the advantages that pits are filled, worn parts are repaired, lubrication and wear resistance are achieved, the cylinder pressure is recovered, the oil consumption is lowered, tail gas emission is optimized, the repair effect and the lubrication effect are good, and the overall performance of vehicles can be improved.

Description

technical field [0001] The invention relates to an engine protection liquid, in particular to an engine protection coating liquid for protecting an engine and a preparation method thereof. Background technique [0002] For mechanical parts that move relatively, the metal surfaces that are in contact with each other are uneven from a microscopic point of view no matter how precise the processing is. When the pressure on the friction surface is high and the relative movement speed is high, the concave and convex points on the metal surface mesh with each other, resulting in local high temperature, strain and early severe wear on the friction surface. Abnormal wear and tear of tiles, etc. At present, the performance of engine repair products depends on the repair materials used. The products on the market are generally divided into three types due to the different repair materials used: nano solid particle repair agent, ceramic gel repair agent, fluorocarbon repair agent Surf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M161/00C10M157/10C10N30/06C10N40/25
CPCC10M147/02C10M157/10C10M161/00C10M2209/08C10M2209/082C10M2209/086C10M2215/02C10M2217/06C10N2030/06C10N2040/10
Inventor 巩俭
Owner 山东山河环保科技有限公司
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