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A kind of preparation method of wear-resistant and flame-retardant swash plate

A technology of swash plate and wear-resistant coating, which is applied in the field of preparation of swash plate of automobile air-conditioning compressors, can solve the problems of increasing preparation difficulty, harmful social environment, increasing social energy consumption, etc., and achieves simple and controllable preparation process and reasonable composition , The effect that the spraying thickness is easy to control

Inactive Publication Date: 2016-01-20
崔劲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The existing base resin used for swash plate preparation is generally polyimide or polyamide-imide, which can improve the self-lubricating performance of the swash plate to a certain extent, but the friction of the wear-resistant coating thus formed, In particular, the dry friction performance and adhesion need to be improved; there are also some reports on the use of polyetherketone, polyethersulfone or polyethersulfoneketone materials for swashplates, such materials have certain heat resistance, However, the adhesion is poor and the compatibility with other materials is poor; and the existing base resins cannot be dissolved in conventional solvents such as acetone, and all need toxic and environmentally friendly solvents to dissolve, which is harmful to the social environment. The curing process of the basic resin is very harsh, and it needs to exceed 300°C, and the time is several hours, which not only increases the difficulty of preparation, but also increases the energy consumption of the society

Method used

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  • A kind of preparation method of wear-resistant and flame-retardant swash plate
  • A kind of preparation method of wear-resistant and flame-retardant swash plate
  • A kind of preparation method of wear-resistant and flame-retardant swash plate

Examples

Experimental program
Comparison scheme
Effect test

Synthetic example 1

[0033] Synthesis Example 1 Synthesis of Silicon-containing Phosphate

[0034] Add 15mL bromotrimethylsilane, 5ml diethanolamine, 30ml absolute ethanol and 2g potassium silanolate to the three-necked flask, reflux and stir for 5 hours, cool, and filter to obtain the liquid; add 2.5ml, 50ml of 85% phosphoric acid to the liquid Acetone and 1.2g of phosphorus pentoxide were heated to 60°C, stirred and reacted for 2 hours, the acetone was removed by distillation, and the obtained liquid was silicon-containing phosphate.

Synthetic example 2

[0035] Synthesis Example 2 Preparation of Composite Filler

[0036] Mix 380g of molybdenum disulfide and 100g of aluminum phosphate evenly, sinter at 500°C for 55min, and crush it into a powder with a particle size of 15-22μm, which is the composite filler.

Embodiment 1

[0038] A wear-resistant and flame-retardant swash plate, the preparation of which comprises the following steps:

[0039] (1) Preparation of component A: in a nitrogen atmosphere, mix bisphenol A epoxy resin, maleic anhydride and ethylene glycol, react at 110°C for 35 minutes, then add 5 drops of sulfuric acid with a concentration of 30%, and continue the reaction for 7 minutes Obtain an epoxy compound; then react the epoxy compound with bisphenol A cyanate at 150°C for 15 minutes to obtain component A; wherein bisphenol A epoxy resin, maleic anhydride, ethylene glycol and bisphenol A cyanide The mass ratio of acid ester is 0.4: 1: 1.5: 1.5;

[0040](2) preparation of wear-resistant coating: dissolving component A in acetone to obtain mass concentration is the acetone solution of component A of 30%; then silicon-containing phosphate, PTFE particles, fluorinated graphite and composite filler are mixed uniformly, A solid lubricant is obtained; finally, the acetone solution of c...

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PUM

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Abstract

The invention discloses a preparation method of a wear-resistant and flame-retardant swash plate. The prepared swash plate comprises a base plate and a wear-resistant coating, wherein the wear-resistant coating comprises base resin, silicon-containing phosphate, PTFE (polytetrafluoroethylene) particles, graphite fluoride and composite filler. The wear-resistant paint disclosed by the invention is reasonable in composition and has excellent heat resistance and adhesion. The swash plate based on the wear-resistant paint has excellent wear resistance and flame retardance, has dry state or oil state friction property far better than that of swash plates prepared from the existing resin, and can meet the requirements of auto air conditioning compressors.

Description

technical field [0001] The invention relates to the preparation of a swash plate of an automobile air-conditioning compressor, in particular to a preparation method of a swash plate with wear-resistant and flame-retardant properties. Background technique [0002] Automobile air-conditioning compressor is the key component of automobile air-conditioning system, among them, the swash-plate air-conditioning compressor has the advantages of simple structure, reliable adjustment, good balance performance of the machine, and high speed, etc. The most common compressor accounts for about 80% of the passenger car market, and it has a tendency to expand further. [0003] In the swash plate air conditioner compressor, the swash plate rotates at the same speed as the main shaft passing through the swash plate, and the swash plate drives the piston to reciprocate through the connection between the sliding shoe and the piston, and then completes the gas compression through the one-way co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/10C09D5/18C09D7/12B05D7/14B05D3/00B05D3/02F04B39/00
Inventor 方倩
Owner 崔劲
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