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A cyanate-based swash plate

A cyanate ester and swash plate technology, which is applied to devices for coating liquid on surfaces, coatings, pre-treatment surfaces, etc., can solve the problems of increasing the difficulty of preparation, increasing social energy consumption, harmful to the social environment, etc., and achieving the preparation process Simple and controllable, easy to control spray thickness, reasonable composition effect

Inactive Publication Date: 2016-04-13
JIASHAN YOULI BEARING
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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 cyanate-based swash plate
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  • A cyanate-based swash plate

Examples

Experimental program
Comparison scheme
Effect test

Synthetic example 1

[0037] Catalyst preparation:

[0038] Dissolve methyltin chloride and mercaptoethylamine in ethanol and react at 60°C for 3 hours; then raise the temperature to reflux temperature and react for 2 hours; finally remove the solvent under reduced pressure to obtain a colorless transparent liquid as a catalyst. The molar ratio of methyltin chloride to mercaptoethylamine is 1:3. The catalyst slowly catalyzes the polymerization of cyanate and epoxy at a prepolymerization temperature of 100°C; when the temperature rises above 150°C, it quickly catalyzes the curing of the resin.

Embodiment 1

[0040] A kind of swash plate based on cyanate, preparation comprises the following steps:

[0041] (1) Preparation of copolymer, at 100°C, add 1000g of bisphenol A cyanate monomer, 0.1g of catalyst and 50g of bisphenol A epoxy resin monomer into a beaker, react for 30 minutes, and pour the liquid into the tray Among them, the solid obtained by natural cooling is the cyanate ester / epoxy resin copolymer;

[0042] (2) Preparation of wear-resistant coating: dissolving cyanate ester / epoxy resin copolymer in acetone to obtain a copolymer acetone solution with a mass concentration of 35%; then PTFE, molybdenum disulfide, graphite fluoride and reinforcing material nano Al2O3 is mixed uniformly to obtain a solid lubricant; finally, the copolymer acetone solution and the solid lubricant are uniformly mixed to obtain a wear-resistant coating solution; the mass ratio of each component is:

[0043]

[0044](3) Spraying: first preheat the substrate 45# steel at 100°C; then spray the wea...

Embodiment 2

[0047] A kind of swash plate based on cyanate, preparation comprises the following steps:

[0048] (1) Preparation of copolymer, at 100°C, add 1000g of bisphenol F cyanate monomer, 0.2g of catalyst and bisphenol A epoxy resin monomer into a beaker, react for 30 minutes, and pour the liquid into a tray , natural cooling to obtain a solid that is cyanate ester / epoxy resin copolymer;

[0049] (2) Preparation of wear-resistant coating: dissolving cyanate ester / epoxy resin copolymer in acetone to obtain a copolymer acetone solution with a mass concentration of 40%; then PTFE, molybdenum disulfide, graphite fluoride and reinforcing material nano Al2O3 is mixed uniformly to obtain a solid lubricant; finally, the copolymer acetone solution and the solid lubricant are uniformly mixed to obtain a wear-resistant coating solution; the mass ratio of each component is:

[0050]

[0051] (3) Spraying: first preheat the substrate 45# steel at 100°C; then spray the wear-resistant coating s...

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Abstract

The invention discloses a swash plate based on cyanate. The swash plate consists of a substrate and a wear-resistant coating, wherein the wear-resistant coating is prepared from the following ingredients in parts by mass: 40-60 parts of cyanate / epoxy resin copolymer, 20-50 parts of PTFE (Polytetrafluoroethylene), 10-30 parts of molybdenum disulfide, 5-10 parts of graphite fluoride and 1-10 parts of reinforcing material. According to the swash plate disclosed by the invention, the wear-resistant coating is reasonable in composition and excellent in heat resistance and adhesion, thus the swash plate based on the wear-resistant coating has excellent wear resistance, has the friction performance, which is far superior to that of the existing swash plates prepared from resin regardless of whether the swash plate is in a dry state or oil state, and can meet the needs of an automotive air conditioner compressor.

Description

technical field [0001] The invention relates to a swash plate of an automobile air-conditioning compressor, in particular to a cyanate-based swash plate. 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 control of suction and exhaust. ; The rotation speed of the swash plate can contr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D179/04C09D127/18C09D7/12B05D7/14B05D7/24B05D3/02C08G73/06F04B39/00
Inventor 韩建布占印宋晓静
Owner JIASHAN YOULI BEARING
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