CN101070449A - Molybdenum-disulfide radical anti-corrosion wear-reduced coating - Google Patents
Molybdenum-disulfide radical anti-corrosion wear-reduced coating Download PDFInfo
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- CN101070449A CN101070449A CN 200710042330 CN200710042330A CN101070449A CN 101070449 A CN101070449 A CN 101070449A CN 200710042330 CN200710042330 CN 200710042330 CN 200710042330 A CN200710042330 A CN 200710042330A CN 101070449 A CN101070449 A CN 101070449A
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Abstract
The present invention belongs to chemical paint technique area, specifically, it is amolybdenum disulfide fire-resistant anticorrosion antifriction paint. It selects fire-resistant bisphenol. A oxygen resin as gelatinizing agent, dicyandiamide as curing agent, molybdenum disulfide as lubricant, carbon black as antiseptic agent, and then add the mixed solvent. Finally the molybdenum disulfide fire resistant anticorrosion antifriction paint is formed. In the middle or high temperature environment, the coat has not only good abrasive resistance, bearing capacity and lubricity, but also excellent anticorrosion, grease-proof and erosion resistance. The effect: surface-prevention, antifriction, sealing, lubrication and extension the use of components. The metal sealing gasket painted with this paint can be used for a long time in the high temperature condition. It can reach the requirement of working in difficult condition, such as car ventilating pipe sealing components.
Description
Technical field
The invention belongs to the chemistry painting industry technical field, be specially a kind of molybdenum disulfide based high-temp-resistant anti-corrosion wear-reduced coating.
Technical background
The operation condition of automobile exhaust pipe gasket seal is extremely harsh, relates to high temperature, high loading, special medium, little vibration etc.Dry film technique is the effective means that solves lubrication problem under the harsh working condition, but its main drawback is not corrosion-resistant.From existing molybdenum-disulfide radical solid lubricant coating kind, meet the mostly employing mineral binder bond that high temperature (greater than 250 ℃) requires use, it is more crisp to film, and sticking power is also relatively poor, and work-ing life is not long; And the coating use temperature of employing organic binder bond can not be too high.The erosion resistance of these coatings is all not enough, is difficult to satisfy the supporting requirement of automobile exhaust pipe gasket seal.
Summary of the invention
The objective of the invention is to for automobile exhaust pipe seal assembly etc. provide a kind of can be under middle hot conditions corrosion-resistant, the gasproof erosion, the long lifetime molybdenum disulfide based high-temp-resistant anti-corrosion wear-reduced coating of wear-resisting, self-lubricating of life-time service, and provide the preparation method of this coating simultaneously.
Molybdenum disulfide based high-temp-resistant anti-corrosion wear-reduced coating provided by the invention is made up of tackiness agent, solidifying agent, lubricant and sanitas etc.Wherein, tackiness agent is a bisphenol A epoxide resin, and solidifying agent is Dyhard RU 100 or sebacic dihydrazide, and lubricant is a molybdenumdisulphide, and sanitas is a carbon black, adds mixed solvent etc. again, forms the molybdenum disulfide based high-temp-resistant anti-corrosion wear-reduced coating.The weight percent content of coating consists of: bisphenol A epoxide resin 5～15%, and molybdenumdisulphide 15～25%, carbon black 3～8%, solidifying agent 0.1～2%, surplus is a mixed solvent, total amount satisfies 100%.
Select for use Resins, epoxy as tackiness agent, the cohesive strength of coating and anti-middle high-temperature behavior are guaranteed.The oxirane value of selected Resins, epoxy is 0.48-0.55.
Selected Dyhard RU 100 or sebacic dihydrazide are as solidifying agent, and this cured product has good sticking power, thermostability, toughness and shock resistance.
The selected solvent of the present invention is a mixed solvent, and its volume percent consists of: dimethylbenzene 30～50%, propyl carbinol 15～40%, ethyl acetate 15～30%.
Preparation method of the present invention is: take by weighing each constituent materials in ratio of the present invention, with molybdenumdisulphide and carbon black material, put into ball grinder, adding mixed solvent is 15～25% of solid constituent weight, grinds; Add binding agent and solidifying agent after being uniformly dispersed, grind, the mixed solvent that adds surplus again gets final product.
The coating method of coating of the present invention is: with spray gun with the paint spay-coating for preparing piece surface (piece surface needs surface treatment such as oil removing, rust cleaning in advance).The part room temperature that spraying is good is placed surface drying, puts into convection oven again and solidifies.Condition of cure: 175 ± 5 ℃ solidified 1 hour, were warming up to 185 ± 5 ℃ of constant temperature then 0.5 hour.Can use after taking out cooling.
High-temperature resistant anti-corrosive wear-reduced coating of the present invention can use on the automobile engine exhaust pipe seal assembly, and it can satisfy the service requirements under the harsh working condition of automobile engine exhaust pipe gasket seal.The main performance index of molybdenum disulfide based high-temp-resistant anti-corrosion wear-reduced coating of the present invention such as following table:
| Test event | Performance index | Detection method |
| Paint film appearance | Grey black | Range estimation |
| Thickness | 10 ± 2 microns | The spiral micrometer measures 5～10 points, averages then |
| Impact strength (just/anti-) | 50cm | GB/T 1732-93 |
| Draw lattice experiments (sticking power) | 1 grade | GB/T 9286-1998 |
| Pencil hardness | 1H | GB/T 6739-1996 |
| The oil resistant experiment | 1 grade | GB/T 1734-93 |
| Snappiness | 1mm | GB/T 1732-93 |
| Anti-anti-icing fluid | Qualified | After TOYOTA deicing fluid (LLC-4) refluxed 72 hours, it was constant to test shock-resistant, sticking power, pencil hardness, snappiness and oil-proofness |
| Resistance to elevated temperatures | Qualified | 250 ℃, the above every performance in processing back was constant in 500 hours |
| Shelf lives | 1 year | Store after 1 year, more than every performance constant |
The coating of coating of the present invention preparation not only has good wear-resisting, carrying and lubricity under middle hot environment, and have excellent anticorrosion, oil resistant, gasproof erosion performance, can play the effect in work-ing life of surfacecti proteon, anticorrosion, sealing, lubricated and elongated component.
Embodiment
Embodiment 1:
Take by weighing in 20 gram molybdenumdisulphide and the 5 gram carbon blacks adding ball grinders, the mixed solvents that add 5 grams again grind.Add 10 gram Resins, epoxy and 1 gram Dyhard RU 100 then, grind, the mixed solvent that adds 59 grams at last is uniformly dispersed and is the molybdenum disulfide based high-temp-resistant anti-corrosion wear-reduced coating.(volume percent of mixed solvent consists of: dimethylbenzene 35%, propyl carbinol 35%, ethyl acetate 30%.)
Embodiment 2:
Resins, epoxy 5% molybdenumdisulphide 22%
Dyhard RU 100 0.1% carbon black 3%
Mixed solvent surplus (wherein volume percent: dimethylbenzene 50%, propyl carbinol 25%, ethyl acetate 25%)
Embodiment 3:
Resins, epoxy 15% molybdenumdisulphide 25%
Sebacic dihydrazide 2% carbon black 8%
Mixed solvent surplus (wherein volume percent: dimethylbenzene 30%, propyl carbinol 40%, ethyl acetate 30%)
Embodiment 4:
Resins, epoxy 10% molybdenumdisulphide 15%
Sebacic dihydrazide 0.8% carbon black 4%
Mixed solvent surplus (wherein volume percent: dimethylbenzene 40%, propyl carbinol 35%, ethyl acetate 25%)
Embodiment 5:
Resins, epoxy 12% molybdenumdisulphide 22%
Dyhard RU 100 0.9% carbon black 8%
Mixed solvent surplus (wherein volume percent: dimethylbenzene 45%, propyl carbinol 40%, ethyl acetate 15%)
Embodiment 6:
Resins, epoxy 10% molybdenumdisulphide 18%
Dyhard RU 100 0.2% carbon black 5%
Sebacic dihydrazide 0.2%
Mixed solvent surplus (wherein volume percent: dimethylbenzene 50%, propyl carbinol 25%, ethyl acetate 25%)
The coating of the various embodiments described above all has very superior high temperature resistant, anticorrosion, antifriction performance.
Claims (5)
1. molybdenum disulfide based high-temp-resistant anti-corrosion wear-reduced coating is characterized in that each components based on weight percentage is as follows:
Bisphenol A epoxide resin 5～15%
Molybdenumdisulphide 15～25%
Carbon black 3～8%
Solidifying agent 0.1～2%
The mixed solvent surplus,
Total amount satisfies 100%.
2. coating as claimed in claim 1, the oxirane value that it is characterized in that bisphenol A epoxide resin is 0.48-0.55.
3. coating as claimed in claim 1 is characterized in that used solidifying agent is one or both in Dyhard RU 100 or the sebacic dihydrazide.
4. coating as claimed in claim 1 is characterized in that the volume percent of mixed solvent consists of: dimethylbenzene 30～50%, propyl carbinol 15～40%, ethyl acetate 15～30%.
5. the preparation method of a molybdenum disulfide based high-temp-resistant anti-corrosion wear-reduced coating as claimed in claim 1 is characterized in that concrete steps are as follows: take by weighing each constituent materials in each composition weight ratio; With molybdenumdisulphide and carbon black material, put into ball grinder, adding mixed solvent is 15～25% of solid constituent weight, grinds; Add binding agent and solidifying agent after being uniformly dispersed, grind, the mixed solvent that adds surplus again gets final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710042330 CN101070449A (en) | 2007-06-21 | 2007-06-21 | Molybdenum-disulfide radical anti-corrosion wear-reduced coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710042330 CN101070449A (en) | 2007-06-21 | 2007-06-21 | Molybdenum-disulfide radical anti-corrosion wear-reduced coating |
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| Publication Number | Publication Date |
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| CN101070449A true CN101070449A (en) | 2007-11-14 |
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| CN 200710042330 Pending CN101070449A (en) | 2007-06-21 | 2007-06-21 | Molybdenum-disulfide radical anti-corrosion wear-reduced coating |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277062A (en) * | 2011-06-30 | 2011-12-14 | 浙江天女集团制漆有限公司 | Production method of environment friendly recycled high-insulation coating for electronic components |
| CN102746767A (en) * | 2012-02-06 | 2012-10-24 | 浙江吉利汽车研究院有限公司 | High temperature resistance coating material for vehicle spline, and preparation method thereof |
| CN103450774A (en) * | 2012-05-30 | 2013-12-18 | 南京信息工程大学 | Environmentally-friendly epoxy corrosion-resistant wear-resistant paint |
| CN105153927A (en) * | 2015-08-18 | 2015-12-16 | 兰州空间技术物理研究所 | MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance as well as preparation method |
| CN107573813A (en) * | 2017-09-28 | 2018-01-12 | 国际竹藤中心 | A kind of bio-based porous carbon activeness and quietness modified epoxy resin wear-resistant coating |
| CN111449608A (en) * | 2020-04-02 | 2020-07-28 | 重庆金山医疗技术研究院有限公司 | Endoscope body and method for improving lubricating performance of endoscope body |
| CN112981286A (en) * | 2021-04-21 | 2021-06-18 | 中国航发北京航空材料研究院 | Hole extrusion strengthening method of aluminum alloy thick plate and lubricant for method |
| CN113801533A (en) * | 2021-02-05 | 2021-12-17 | 中国科学院兰州化学物理研究所 | Dry film lubricant based on dopamine modified pigment filler and application thereof |
| CN114085572A (en) * | 2021-12-06 | 2022-02-25 | 长春蓝天密封技术开发有限公司 | Metal gasket surface treating agent with good sealing property |
-
2007
- 2007-06-21 CN CN 200710042330 patent/CN101070449A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277062A (en) * | 2011-06-30 | 2011-12-14 | 浙江天女集团制漆有限公司 | Production method of environment friendly recycled high-insulation coating for electronic components |
| CN102746767A (en) * | 2012-02-06 | 2012-10-24 | 浙江吉利汽车研究院有限公司 | High temperature resistance coating material for vehicle spline, and preparation method thereof |
| CN102746767B (en) * | 2012-02-06 | 2014-07-16 | 浙江吉利汽车研究院有限公司 | High temperature resistance coating material for vehicle spline, and preparation method thereof |
| CN103450774A (en) * | 2012-05-30 | 2013-12-18 | 南京信息工程大学 | Environmentally-friendly epoxy corrosion-resistant wear-resistant paint |
| CN103450774B (en) * | 2012-05-30 | 2016-02-03 | 南京信息工程大学 | A kind of Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint |
| CN105153927A (en) * | 2015-08-18 | 2015-12-16 | 兰州空间技术物理研究所 | MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance as well as preparation method |
| CN107573813A (en) * | 2017-09-28 | 2018-01-12 | 国际竹藤中心 | A kind of bio-based porous carbon activeness and quietness modified epoxy resin wear-resistant coating |
| CN111449608A (en) * | 2020-04-02 | 2020-07-28 | 重庆金山医疗技术研究院有限公司 | Endoscope body and method for improving lubricating performance of endoscope body |
| CN113801533A (en) * | 2021-02-05 | 2021-12-17 | 中国科学院兰州化学物理研究所 | Dry film lubricant based on dopamine modified pigment filler and application thereof |
| CN113801533B (en) * | 2021-02-05 | 2022-03-01 | 中国科学院兰州化学物理研究所 | Dry film lubricant based on dopamine modified pigment filler and application thereof |
| CN112981286A (en) * | 2021-04-21 | 2021-06-18 | 中国航发北京航空材料研究院 | Hole extrusion strengthening method of aluminum alloy thick plate and lubricant for method |
| CN114085572A (en) * | 2021-12-06 | 2022-02-25 | 长春蓝天密封技术开发有限公司 | Metal gasket surface treating agent with good sealing property |
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Open date: 20071114 |