CN103173117A - Coating for piston of compressor of automotive air conditioner and preparation method and application of coating - Google Patents
Coating for piston of compressor of automotive air conditioner and preparation method and application of coating Download PDFInfo
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- CN103173117A CN103173117A CN2011104362915A CN201110436291A CN103173117A CN 103173117 A CN103173117 A CN 103173117A CN 2011104362915 A CN2011104362915 A CN 2011104362915A CN 201110436291 A CN201110436291 A CN 201110436291A CN 103173117 A CN103173117 A CN 103173117A
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- Prior art keywords
- coating
- air conditioning
- conditioning compressor
- compressor piston
- automative air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000576 coating method Methods 0.000 title claims abstract description 68
- 239000011248 coating agent Substances 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 238000000227 grinding Methods 0.000 claims abstract description 6
- 238000004378 air conditioning Methods 0.000 claims description 20
- 239000011230 binding agent Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- 229920001187 thermosetting polymer Polymers 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 230000009974 thixotropic effect Effects 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 239000000080 wetting agent Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 3
- HCDIREGKVCNEFC-UHFFFAOYSA-N formaldehyde;2-phenylphenol Chemical compound O=C.OC1=CC=CC=C1C1=CC=CC=C1 HCDIREGKVCNEFC-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920006259 thermoplastic polyimide Polymers 0.000 claims description 2
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000007767 bonding agent Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229920002312 polyamide-imide Polymers 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 239000004962 Polyamide-imide Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compressor (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a coating for a piston of a compressor of an automotive air conditioner, a preparation and application of the coating. The preparation method comprises the following steps of: mixing 20 to 80% of bonding agent in percentage by weight, 3 to 40% of fluororesin in percentage by weight, 1 to 10% of wearable filler in percentage by weight, and the balance of auxiliary; grinding and dispersing; defoaming; and adding a solvent to adjust the viscosity. Compared with the prior art, the coating provided by the invention has the advantages of being efficient, environmentally-friendly, etc.
Description
Technical field
The present invention relates to a kind of coating, especially relate to coating that a kind of automative air conditioning compressor piston uses and its preparation method and application.
Background technology
Automobile air conditioner compressor is mainly take reciprocating piston compressor as main.Compressor in working order under, high speed piston to-and-fro movement and piston cylinder produce the state of friction.Therefore, need the surface of piston to have the requirement of the characteristics such as low-friction coefficient, wear resistance be high, lightweight.At present, be mainly that external coating one deck resin material at piston reduces surface coefficient, improves wear resistance.
This layer coating material is mainly being in the main binding agent by polyamide-imide, adds a certain proportion of teflon resin and various wear resistant filler.For reaching homodisperse effect, need to add a large amount of solvents and use as thinner.The coating that configures sprays on piston by compressed ir spray gun.Although this coating can satisfy the basic demand of piston,, because the coating nature is limit, can not once reach required thickness.For reaching certain application thickness, need to piston carry out 3～4 times repeat spraying and drying treatment.Use the utilization efficiency of coatings of this spraying coating process very low, generally be no more than 60%, caused the significant wastage of coating.Simultaneously contain a large amount of organic solvents in coating, in spraying and drying process, solvent is discharged in environment, and is to operator's health or affect, also unfriendly to atmospheric environment.
For addressing the above problem, adopt roller coat and blade coating mode to carry out application to piston and also all attempt, also developed relevant device.But the coating that is applicable to blade coating and roll coating model does not also have corresponding reported literature in detail.Be because the viscosity of this coating is high on the one hand, adopt which kind of method effectively to be dispersed with certain technical difficulty; How the promising maintenance even coating performance of filming is also avoided being mixed in and is not sneaked into bubble in full-bodied coating and good thixotropic property is also a thorny problem.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of efficient and environment-friendly type, coating that the automative air conditioning compressor piston of applicable piston blade coating or roll coating model is used and its preparation method and application for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions: the coating that a kind of automative air conditioning compressor piston is used, it is characterized in that, this coating adopts roller coat or spraying method to be coated with and is contained on automative air conditioning compressor piston, coating comprises following component and weight percent content: binding agent 20～80%, fluoro-resin 3～40%, wear resistant filler 1～10%, the auxiliary agent surplus.
Described binding agent is one or more of thermoset or polyamide thermoplastic-imide, thermoset or thermoplastic polyimide, phenyl phenol formaldehyde resin and bisphenol A epoxide resin.
The preferred thermoset of described binding agent or polyamide thermoplastic-imide, the preferred 30～70wt% of the addition of binding agent.
Described fluoro-resin is one or both of tetrafluoroethylene, PFA, and the molecular weight of fluoro-resin is below 1,500,000, the preferred 10～25wt% of addition.
Described wear resistant filler is one or more of aluminium sesquioxide, antimonous oxide, tungsten disulfide, molybdenumdisulphide, nickel powder, zirconium white, graphite, and the particle diameter of wear resistant filler is 0.1～24 micron.
Preferred 0.2～15 micron of the particle diameter of described wear resistant filler.
Described auxiliary agent comprises: defoamer, dispersion agent, thixotropic assistant, pigment or wetting agent.
The preparation method of the coating that a kind of automative air conditioning compressor piston is used, it is characterized in that, by weight percentage with binding agent 20～80%, fluoro-resin 3～40%, wear resistant filler 1～10%, the auxiliary agent surplus is mixed, grinding distribution, deaeration, and to adjust its viscosity be 12000～28000cP by adding solvent.
Described solvent is one or more of dimethyl formamide, N-Methyl pyrrolidone, dimethylbenzene, butanone.
The Application of coatings that a kind of automative air conditioning compressor piston is used is characterized in that, after piston is carried out pre-treatment, adopts blade coating or roll coating model coating process, forms after the super-dry high temperature sintering and films.
Wherein carrying out after pre-treatment to piston is that piston is carried out oiling, sandblasting, and described drying temperature is 120 ℃, and be 15 minutes time of drying, and described high temperature sintering temperature is 220 ℃, 30 minutes time.
Compared with prior art, the present invention is directed to the characteristics of the piston of aluminium, with in the 230 following sintering possibilities of degree, aluminium is had excellent sticking power, the binding agent that has well balanced property at aspects such as heat-resisting, oil resistant, hardness simultaneously; And the fluoro-resin with low-friction coefficient, ablation resistance; With the wear resistant filler that improves wear-resistant property be one of purpose.Meanwhile, selected material being reached the dispersion means of good dispersion and has the viscosity and the thixotropy that are applicable to blade coating or roll coating model application is two of purpose.Through research with keen determination, invented formula and the production technique of coating, reached practical purpose.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment.
Embodiment 1-3
According to the proportioning as following table 1, shown in ratio all be weight percentage.Raw material is mixed, carry out dispersion grinding, deaeration and adjustment viscosity.
With the coating that configures, adopt the blade coating mode to be coated with and install on surface treated aluminium sheet, to spend drying 15 minutes and 220 through 120 and spend high temperature sinterings 30 minutes, coating thickness is 30 microns.
Table 1
| Material | Example 1 | Example 2 | Example 3 |
| The PAI binding agent | 70％ | 78％ | 67％ |
| The PTFE fluoro-resin | 18％ | 10％ | 15％ |
| Aluminium sesquioxide | 5％ | 5％ | 9％ |
| Auxiliary agent | 7％ | 7％ | 9％ |
The performance test results is as shown in table 2 below.
Table 2
| Performance | Example 1 | Example 2 | Example 3 |
| Frictional coefficient | Low | In | High |
| Wear resistance | In | In | High |
| Surfaceness | Good | Good | In |
| Comprehensive evaluation | Outstanding | Well | Generally |
Embodiment 4
The preparation method of the coating that a kind of automative air conditioning compressor piston is used, by weight percentage with binding agent polyamide-imide 20%, fluoro-resin PFA40%, wear resistant filler zirconium white 10%, defoamer 5%, dispersion agent 5%, thixotropic assistant 5%, pigment 5%, wetting agent 10%, grinding distribution, deaeration, and to adjust its viscosity be 12000～28000cP by adding the solvent dimethyl formamide.
During use, after aluminium sheet is carried out oil removing, sandblasting, adopt blade coating or roll coating model coating process, through 120 ℃ of dryings 15 minutes and 220 ℃ of high temperature sinterings 30 minutes, coating thickness was 30 microns.
In order to adapt to roller coat and blade coating, can adjust the viscosity of coating.The solvent that its viscosity adjustment is used is one or more of dimethyl formamide, N-Methyl pyrrolidone, dimethylbenzene, butanone.
Embodiment 5
The preparation method of the coating that a kind of automative air conditioning compressor piston is used, by weight percentage with binding agent phenyl phenol formaldehyde resin 80%, fluoro-resin tetrafluoroethylene 3%, wear resistant filler graphite 1%, defoamer 4%, dispersion agent 4%, thixotropic assistant 4%, pigment 2%, wetting agent 2%, grinding distribution, deaeration, and to adjust its viscosity be 12000～28000cP by adding solvent xylene.
During use, after aluminium sheet is carried out oil removing, sandblasting, adopt blade coating or roll coating model coating process, through 120 ℃ of dryings 15 minutes and 220 ℃ of high temperature sinterings 30 minutes, coating thickness was 30 microns.
Claims (10)
1. coating that automative air conditioning compressor piston is used, it is characterized in that, this coating adopts roller coat or spraying method to be coated with and is contained on automative air conditioning compressor piston, coating comprises following component and weight percent content: binding agent 20～80%, fluoro-resin 3～40%, wear resistant filler 1～10%, the auxiliary agent surplus.
2. the coating used of a kind of automative air conditioning compressor piston according to claim 1, it is characterized in that, described binding agent is one or more of thermoset or polyamide thermoplastic-imide, thermoset or thermoplastic polyimide, phenyl phenol formaldehyde resin and bisphenol A epoxide resin.
3. the coating used of a kind of automative air conditioning compressor piston according to claim 2, is characterized in that the preferred thermoset of described binding agent or polyamide thermoplastic-imide, the preferred 30～70wt% of the addition of binding agent.
4. the coating used of a kind of automative air conditioning compressor piston according to claim 1, is characterized in that, described fluoro-resin is one or both of tetrafluoroethylene, PFA, and the molecular weight of fluoro-resin is below 1,500,000, the preferred 10～25wt% of addition.
5. the coating used of a kind of automative air conditioning compressor piston according to claim 1, it is characterized in that, described wear resistant filler is one or more of aluminium sesquioxide, antimonous oxide, tungsten disulfide, molybdenumdisulphide, nickel powder, zirconium white, graphite, and the particle diameter of wear resistant filler is 0.1～24 micron.
6. the coating used of a kind of automative air conditioning compressor piston according to claim 5, is characterized in that preferred 0.2～15 micron of the particle diameter of described wear resistant filler.
7. the coating used of a kind of automative air conditioning compressor piston according to claim 1, is characterized in that, described auxiliary agent comprises: defoamer, dispersion agent, thixotropic assistant, pigment or wetting agent.
8. the preparation method of the coating used of an automative air conditioning compressor piston according to claim 1, it is characterized in that, by weight percentage with binding agent 20～80%, fluoro-resin 3～40%, wear resistant filler 1～10%, the auxiliary agent surplus is mixed, grinding distribution, deaeration, and to adjust its viscosity be 12000～28000cP by adding solvent.
9. the preparation method of the coating used of a kind of automative air conditioning compressor piston according to claim 1, is characterized in that, described solvent is one or more of dimethyl formamide, N-Methyl pyrrolidone, dimethylbenzene, butanone.
10. the Application of coatings that automative air conditioning compressor piston according to claim 1 is used, is characterized in that, after piston is carried out pre-treatment, adopts blade coating or roll coating model coating process, forms after the super-dry high temperature sintering and film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104362915A CN103173117A (en) | 2011-12-22 | 2011-12-22 | Coating for piston of compressor of automotive air conditioner and preparation method and application of coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104362915A CN103173117A (en) | 2011-12-22 | 2011-12-22 | Coating for piston of compressor of automotive air conditioner and preparation method and application of coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103173117A true CN103173117A (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104362915A Pending CN103173117A (en) | 2011-12-22 | 2011-12-22 | Coating for piston of compressor of automotive air conditioner and preparation method and application of coating |
Country Status (1)
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| CN (1) | CN103173117A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108300006A (en) * | 2016-08-30 | 2018-07-20 | 石家庄嘉祥精密机械有限公司 | Rail traffic oil-free piston compressor piston surface treatment method and Special spray coating liquid |
| CN109251600A (en) * | 2018-08-27 | 2019-01-22 | 江苏吉庆管材有限公司 | A kind of metal pipe internal wall high-temperature resistant anti-corrosive anti-static coatings and preparation method thereof |
| CN109694647A (en) * | 2018-12-26 | 2019-04-30 | 中国科学院兰州化学物理研究所 | A kind of long-acting solid lubrication protection coating with excellent resistance to Space environmental property |
| WO2022009867A1 (en) * | 2020-07-09 | 2022-01-13 | ダイキン工業株式会社 | Coating composition, coating film, and coated article |
| CN116478530A (en) * | 2023-04-03 | 2023-07-25 | 上海金发科技发展有限公司 | Wear-resistant antistatic polyamide composite material and preparation method thereof |
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| CN1417251A (en) * | 2001-11-07 | 2003-05-14 | 株式会社丰田自动织机 | Slide part and slide device |
| CN101245209A (en) * | 2008-03-26 | 2008-08-20 | 天津科瑞达涂料化工有限公司 | Watersoluble fluor resin non-stick paint and manufacture method thereof |
| CN102115632A (en) * | 2009-12-31 | 2011-07-06 | 上海三电贝洱汽车空调有限公司 | Surface coating for sliding element of compressor |
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2011
- 2011-12-22 CN CN2011104362915A patent/CN103173117A/en active Pending
Patent Citations (3)
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| CN1417251A (en) * | 2001-11-07 | 2003-05-14 | 株式会社丰田自动织机 | Slide part and slide device |
| CN101245209A (en) * | 2008-03-26 | 2008-08-20 | 天津科瑞达涂料化工有限公司 | Watersoluble fluor resin non-stick paint and manufacture method thereof |
| CN102115632A (en) * | 2009-12-31 | 2011-07-06 | 上海三电贝洱汽车空调有限公司 | Surface coating for sliding element of compressor |
Non-Patent Citations (1)
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| 本书编委会: "《装饰装修涂裱工快速入门》", 30 April 2010, article "常用涂装方法及适用范围", pages: P5-6 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108300006A (en) * | 2016-08-30 | 2018-07-20 | 石家庄嘉祥精密机械有限公司 | Rail traffic oil-free piston compressor piston surface treatment method and Special spray coating liquid |
| CN109251600A (en) * | 2018-08-27 | 2019-01-22 | 江苏吉庆管材有限公司 | A kind of metal pipe internal wall high-temperature resistant anti-corrosive anti-static coatings and preparation method thereof |
| CN109694647A (en) * | 2018-12-26 | 2019-04-30 | 中国科学院兰州化学物理研究所 | A kind of long-acting solid lubrication protection coating with excellent resistance to Space environmental property |
| CN109694647B (en) * | 2018-12-26 | 2021-03-02 | 中国科学院兰州化学物理研究所 | A long-lasting solid lubricating protective coating with excellent resistance to space environment |
| WO2022009867A1 (en) * | 2020-07-09 | 2022-01-13 | ダイキン工業株式会社 | Coating composition, coating film, and coated article |
| JP2022015680A (en) * | 2020-07-09 | 2022-01-21 | ダイキン工業株式会社 | Coating composition, coated film and coated article |
| JP7071669B2 (en) | 2020-07-09 | 2022-05-19 | ダイキン工業株式会社 | Paint compositions, paint films and painted articles |
| CN116478530A (en) * | 2023-04-03 | 2023-07-25 | 上海金发科技发展有限公司 | Wear-resistant antistatic polyamide composite material and preparation method thereof |
| CN116478530B (en) * | 2023-04-03 | 2024-05-14 | 上海金发科技发展有限公司 | Wear-resistant antistatic polyamide composite material and preparation method thereof |
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Application publication date: 20130626 |