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Surface treating agent for sliding mechanical parts and preparation method therefor

A technology for surface treatment agents and mechanical parts, which is applied in the field of surface treatment agents for sliding mechanical parts and its preparation, can solve problems such as anti-corrosion properties of copolymers that have not been discussed, and achieve inhibition of micro-electrochemical reactions, strong resistance, and good sliding Effect

Inactive Publication Date: 2015-11-25
HEFEI ZHENGHAO MECHANICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Utilizing the doping effect of the carboxyl group on the acrylate polymer chain on aniline, an acrylate-aniline copolymer was synthesized by in-situ polymerization; however, the research mainly focused on the effect of aniline content on the dielectric properties of the copolymer, and did not discuss the properties of the copolymer. Anti-corrosion performance
At present, there are few reports on the preparation of anti-corrosion materials by the copolymerization of acrylate and aniline.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A surface treatment agent for sliding mechanical parts is characterized in that it is composed of the following raw materials in parts by weight:

[0025] Vinyl bis stearamide 1.3-2, tetramethylglutaric acid 0.1, bis-imidazolidinyl urea .6, chitosan 1-2, sodium fluoroborate 1.7, didodecyl alcohol ester 2, methyl silicone oil 3 , sp-801.8, aniline 0.6, butyl acrylate 50, sodium bicarbonate 0.16, bis(γ-triethoxysilylpropyl) tetrasulfide 30, 75% ethanol 100, 30% hydrogen peroxide 0.3, Ionized water 120, fluorotitanic acid 4.

[0026] A preparation method for a surface treatment agent for sliding mechanical parts, comprising the following steps:

[0027] (1) Take 50% of the weight of the above-mentioned potassium persulfate and 86% of the weight of sp-80, mix it with sodium bicarbonate, add 60% of the weight of deionized water, and stir evenly to obtain an initiator emulsion;

[0028] (2) Heat methyl silicone oil to 80°C, add vinyl bisstearamide, keep stirring for 10 minu...

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Abstract

The invention discloses a surface treating agent for sliding mechanical parts. According to the surface treating agent for the sliding mechanical parts, surfaces of acrylate glue solution particles contain a large number of carboxyl groups, aniline is added into an acrylate glue solution, is firstly diffused inside micella, then is doped with the carboxyl groups and then is subjected to polymerization reaction on surfaces of latex particles in the presence of an oxidant, thus the angle of contact with water of a polyaniline coating layer is increased, and the adhesive power and water resistance are improved; and the coating layer can enable metal surface passivation through an electron transport effect and oxidation-reduction effects so as to achieve a protective effect, silanization modified fluotitanate and an introduced inorganic constituent Ti<4+> form TiO2 particles during heated curing, and the TiO2 particles are uniformly filled in gaps of silane films, so that the whole film layer is more uniform and denser, the superficial microelectrochemical reaction of the film layer can be effectively inhibited, and thus the corrosion resistance is greatly improved.

Description

technical field [0001] The invention relates to a treatment agent, in particular to a surface treatment agent for sliding mechanical parts and a preparation method thereof. Background technique [0002] Polyaniline is a kind of conductive polymer material with stable performance and environmental friendliness, and its oxidation-reduction potential is much higher than that of metal. Its coating can passivate the metal surface through electron transfer and redox in acidic or neutral medium. It has a protective effect and is a good material for metal anti-corrosion. However, polyaniline has strong molecular chain rigidity, is insoluble and infusible, and is difficult to process. It is usually used in combination with other film-forming substances. Acrylate resin is a commonly used film-forming substance, which has good film-forming properties and adhesion. [0003] At present, there are three ways to make polyaniline and acrylate resin composite films: polyaniline coating is c...

Claims

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Application Information

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IPC IPC(8): C09D133/08C09D5/08C09D7/12
Inventor 郑之松
Owner HEFEI ZHENGHAO MECHANICAL TECH
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