CN101643614A - High temperature oxidation resistant environment-friendly coating with functions of lubricating and heat conducting - Google Patents
High temperature oxidation resistant environment-friendly coating with functions of lubricating and heat conducting Download PDFInfo
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- CN101643614A CN101643614A CN200910162623A CN200910162623A CN101643614A CN 101643614 A CN101643614 A CN 101643614A CN 200910162623 A CN200910162623 A CN 200910162623A CN 200910162623 A CN200910162623 A CN 200910162623A CN 101643614 A CN101643614 A CN 101643614A
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Abstract
The invention relates to a high temperature oxidation resistant environment-friendly coating with the functions of high temperature lubricating and excellent heat conducting and a preparation method thereof. The coating comprises the raw materials with the percent as follows: 20-60% of waterborne epoxy resin adhesives, 5-30% of high temperature resistant nano materials, 10-20% of high heat conduction materials, 10-25% of other functional fillers and 20-30% of water. The high temperature resistant materials are nano colloidal silicon dioxide solution and several kinds of metallic oxides; the high heat conduction materials are micron-sized metal particles. The materials of the coating are subjected to two-step grinding to enable the grains to be micron-nano-sized and then are subjected to the mixing process of mixing and kneading to achieve the effect that all the components are fully hybridized and blended. By adopting the waterborne epoxy resin adhesives, the coating can realize room temperature curing and high temperature use, and the temperature can reach 1200 DEG C after long-term use. Under high temperature, the waterborne epoxy resin adhesives can function as oxidation resistant sacrifice protective agents. Along with decomposition and volatilization of the epoxy resin, the coating is converted from the organic-inorganic hybridizing and blending type to a compact compoundfilm fusing the lubricating materials, heat conduction materials and high temperature resistant materials, thus playing good roles of lubricating, heat conducting and oxidation resisting.
Description
Technical field
The present invention relates to the environment-friendly coating field, particularly a kind of high temperature oxidation resistant environment-friendly coating that is used for the metal fever profiled surface and preparation method thereof with high temperature lubricating, excellent heat conducting function.
Background technology
Statistical information shows, whole world every year is because of being lost in more than 7,000 hundred million dollars that metallic corrosion causes; China 2000 because of metallic corrosion cause with a toll of 5,000 hundred million yuan, account for 5% of gross national product, still have the trend that increases the weight of at present.The metallic high temperature oxidation is one of metal corrosion and protection area research emphasis.At high temperature, because the avidity effect of oxygen, it is oxidized that metal easily loses electronics, and form coarse, loose, embrittlement, caducous zone of oxidation on its surface, makes metal lose due proterties.This has not only shortened the work-ing life of metal product, and has influenced the recovery of metal, contaminate environment.How to prevent that metallic high temperature oxidation corrosion from becoming puzzlement people's a difficult problem.
At present, the domestic and international metal protection coating of producing, use temperature can not satisfy the requirement of high-temperature resistant anti-corrosive far away mostly below 500 ℃: as the magnesium metal reduction jar that high temperature steel is made, operate down at 1200 ℃ for a long time; To be heated to 1200 ℃ before high quality steel, silicon steel etc. are rolling; Some equipment pipes of industries such as metal chimney, various high temperature rotary kiln and chemical industry, oil, environmental protection etc., working temperature is usually about 1000 ℃.More external refractory metal protective coatings can use more than 1000 ℃, but very strict technology barriers are all arranged, and cost an arm and a leg.For shaping up of relevant national industry, for save energy, realization Sustainable development, the expert of domestic related fields has done many effort.
Chinese patent CN1244655C discloses a kind of anti-900～1200 ℃ of pyritous organosilicon-ceramic coatings.This coating is base-material with the silicone resin, is equipped with high-temperature resisting pigment, metal oxide and silicate filler, thereby at high temperature changes the high temperature protection of inorganic type realization to matrix into by organic type.The shortcoming of this coating is need to add organic solvent dimethylbenzene, pollutes greatlyyer, causes the inconvenience of construction and use.
Chinese patent CN101058696A discloses the high temperature environmental protection and energy saving coating that a kind of metal is used.This coating comprises functional stuffing and high-temperature agglomerant two portions, and wherein functional stuffing is made up of multiple metal oxide and some salts; High-temperature agglomerant is by being made up of composite modified water glass and composite modified silicon sol.This metallic paint can be at life-time service more than 1000 ℃, yet the raw material of its use is very many, and needs sintering could form hard film, and the production technique more complicated is unfavorable for that industrialization promotion uses.
By above analysis as can be seen, at present domestic also having many problems to need to be resolved hurrily aspect the metallic high temperature anti-oxidation technology.
Summary of the invention
The objective of the invention is at the problem and shortage of the processing of metal fever shaping both at home and abroad at present with the high-temperature oxidation resistant coating aspect, and a kind of high temperature oxidation resistant environment-friendly coating with high temperature lubricating, excellent heat conducting function that proposes and preparation method thereof.
The weight percent of the high temperature lubricating that the present invention proposes, each raw material of high temperature oxidation resistant environment-friendly coating of excellent heat conducting function is as follows: waterborne epoxy resin adhesives: 20～60%; Nanometer high temperature material: 5～30%; Highly heat-conductive material: 10～20%; Other functional stuffing: 10～25%; Water: 20～30%, the weight of each component and be 100%.
Waterborne epoxy resin adhesives among the present invention is a kind of product innovation of independent development, and solidifying agent wherein is polyethylene polyamine has emulsifying effect and solidification when the soft segment chain extension forms a aqueous epoxy curing agent.This tackiness agent has strong adhesion, corrosion-resistant, characteristic such as mechanical property is good, and belongs to the environmentfriendly products of nontoxic pollution-free.
Nanometer high temperature material among the present invention comprises the nanometer colloid silicon dioxde solution.Select nanometer colloid silicon-dioxide based on following 3 considerations: a. nanometer colloid silicon-dioxide has good temperature tolerance, generally can be anti-more than 1200 ℃, can satisfy resistant to elevated temperatures requirement fully; B. nanometer colloid silicon-dioxide has wetting ability preferably, can dissolve each other with waterborne epoxy resin adhesives, simplifies coating and forms and production technique the environmental protection practicality; C. under the high temperature, nano silicon can form fine and close silica membrane layer on protected surface, plays the effect of starvation.
Preparation of the high temperature oxidation resistant environment-friendly coating of high temperature lubricating, excellent heat conducting function and using method are as follows among the present invention:
1. prepare waterborne epoxy resin adhesives
Waterborne epoxy resin adhesives is made up of Resins, epoxy A and epoxy hardener B, and the A component is that a kind of in Resins, epoxy 128,6002,828 etc. or several mix; The B component is by soft segment polyethylene polyamine to be carried out the aqueous epoxy curing agent that chain extending reaction makes;
2. micro-nanoization of coated material processing: at first with the nanometer high temperature material: 5～30%; Highly heat-conductive material: 10～20%; Other functional stuffing: 10～25%; Water: 20～30%, be made into mixed slurry, then this slurry to be put into agitating ball mill and grind 1～2h, grain diameter reached micron order after grinding was finished; In order to obtain the particle of small particle size, the slurry after grinding for the first time is put into regrinding in the ultra-fine grinding machine for super, make particle diameter reach micro-nano scope and (be generally 100～300nm).
3. the waterborne epoxy resin adhesives 20～60% of 2. the nano particle slurry of middle preparation and 1. middle preparation is mixed stirring.In order to guarantee the hydridization fusion fully of nano particle slurry and waterborne epoxy resin adhesives, we have proposed to mix earlier the mixing process of mediating again: concrete operations are earlier nano particle slurry and waterborne epoxy resin adhesives B component to be put into high function agitator to mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished have high temperature lubricating, the preparation of the high temperature oxidation resistant environment-friendly coating of excellent heat conducting function.
4. before the application metal base surface is made cleaning pretreatment, dispose greasy dirt etc., adopt the method for brushing or spraying that the present invention is prepared the high temperature oxidation resistant environment-friendly paint spraying on the metal works surface then, dry 2～5h can use under the room temperature.
Described high temperature material also comprises some metal oxides except nanometer colloid silicon-dioxide: as titanium dioxide, boron trioxide, zinc oxide, and the mixture of one or more compositions in the chromium sesquioxide etc.;
Described highly heat-conductive material is an aluminium powder, magnesium powder, zinc powder, the mixture of one or more in the metallic particles such as copper powder;
Kind and ratio that described other functional materials can be selected for use according to different work condition environments, working conditions adjustment, as can adding high-abrasive material, lubricant etc.,
Wherein high-abrasive material can be a white alundum powder, brown alundum powder, the mixture of one or more in the andaluzite powder;
Wherein lubricant can be one or more the mixture in graphite, carbon black, the paraffin etc.
Aqueous epoxy resins and nanometer colloid silicon-dioxide are had complementary advantages among the present invention, this environment-friendly coating can be used in very wide temperature range (room temperature～1200 ℃), and have the performance of excellence.Because the existence of Resins, epoxy glue paste is arranged, and high temperature oxidation resistant environment-friendly coating can be realized self-vulcanizing, construction technology is easy.When use temperature was lower than the second-order transition temperature of Resins, epoxy, Resins, epoxy can provide good mechanical property, outstanding sticking power, superior corrosion resistance energy for coating.Along with temperature raises gradually, Resins, epoxy fusion gradually, decomposition volatilization, the nanometer colloid silica dioxide granule flows and fills up the hole that Resins, epoxy stays under the interfacial tension effect, has kept the oxidation-protective effect of coating; After Resins, epoxy all decomposes volatilization, because nanoscale effect, nanometer colloid silicon-dioxide is beginning fusion more than 1000 ℃, form the closely knit laminated film that comprises silicon-dioxide, other high temperature material, thermally conductive material, high-temperature lubricating material composition at substrate surface like this, secluding air has played anti-oxidation, heat conduction, effect such as lubricated.
Adopt the fundamental property of method for preparing as shown in table 1.
The high temperature oxidation resistant environment-friendly coating salient features of table 1 high temperature lubricating, excellent heat conducting function
| Test event | Performance | Testing method |
| Appearance of coat | Smooth moist | ??GB1723 |
| Viscosity (being coated with-4 glasss)/S | ??40～70 | ??GB1723 |
| Sticking power (method of drawing a circle)/level | ??1～2 | ??GB1720-79 |
| Snappiness/mm | ??1～2 | ??GB1731-79 |
| Shock-resistant/kg.cm | ??＞100 | ??GB1732-79 |
| Surface drying time/h | ??2 | ??- |
| Completely solidified/h | ??24 | ??- |
| Oven dry/min | ??20 | ??GB1728 |
| 1200 ℃ of thermotolerances, 3h | Do not have be full of cracks, do not come off | ??GB1735 |
| Thermal conductivity/w/m.k | ??70～160 | ??GB/T?3651-2008 |
| High temperature friction coefficient (annulus jumping-up method/950 ℃) | ??0.13 | ??JB/T?708-95 |
Compare with domestic and international existing high-temp antioxidizing paint, the present invention has following advantage:
(1) You Yi high temperature lubricating performance.The adding of lubricant makes coating have excellent high temperature lubricating performance among the present invention, and under 950 ℃, frictional coefficient 0.13 can finely satisfy the needs of metal parts high temperature precise form.
(2) You Yi thermal conductivity.Overcome the problem of present domestic existing metal with high temperature resistant inoxidzable coating poor thermal conductivity, the present invention has realized the isothermal of matrix, coating and mould, be convenient to workpiece under hot conditions, force the type of cooling by mould, to processing such as quench hardenings in the workpiece enforcement mould, realize workpiece precise form and quench hardening integral process.
(3) You Yi oxygen-proof property.The present invention combines inorganic high temperature material with organic waterborne epoxy resin adhesives, all have excellent anti-oxidation function at 1200 ℃ with interior, can adapt to anti-oxidation needs under the different operating mode bars.
(4) environment protection health.The high temperature oxidation resistant environment-friendly coating with high temperature lubricating, excellent heat conducting function of the present invention's preparation does not contain any organic solvent, has realized the Water-borne modification preparation, without any peculiar smell and pollution, helps workmen's health and clean environment.
(5) construction technology is simple.The high temperature oxidation resistant environment-friendly coating application of the present invention's preparation is convenient, and self-vulcanizing need not steps such as high-temperature calcination.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the present invention, preparation method's description of drawings of the high temperature oxidation resistant environment-friendly coating that will describe the present invention below with high temperature lubricating, excellent heat conducting function.
Fig. 1 is the preparation method's schema with high temperature oxidation resistant environment-friendly coating of high temperature lubricating, excellent heat conducting function.
Embodiment
In order to understand the present invention better, the present invention will be further explained below in conjunction with embodiment, but will be clear that the scope of protection of the invention is not limited to the scope that embodiment represents.
Embodiment 1
(1) preparation waterborne epoxy resin adhesives:
Waterborne epoxy resin adhesives is made up of Resins, epoxy A and epoxy hardener B:
To be Resins, epoxy 128,6002 form according to 1: 1 mixed the i.A component;
The ii.B component is by soft segment polyethylene polyamine to be carried out the aqueous epoxy curing agent that chain extending reaction makes, and detailed process is as follows:
Be connected with nitrogen four-hole bottle in add 50ml propylene glycol monomethyl ether, 0.3mol diethylenetriamine, 0.15mol polyethyleneglycol diglycidylether successively.Wherein, the adding mode of polyethyleneglycol diglycidylether is for dripping, and speed is 1ml/min, stops logical nitrogen behind the dropping 10min and is incubated 2h.After insulation finishes, drip the mixed solution of 0.15mol Resins, epoxy 618 and the propylene glycol monomethyl ether of 30ml and be incubated 3h with the speed of 1ml/min.Reaction is finished postcooling to the room temperature discharging, and propylene glycol monomethyl ether is removed in underpressure distillation.
The preparation of waterborne epoxy resin adhesives is therewith roughly the same no longer write out detailed process among other the embodiment.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 18g; The mixture 10g that titanium dioxide, boron trioxide, zinc oxide are formed; Aluminium powder: 8g; Magnesium powder: 2g; Graphite: 6 grams; Paraffin: 5g; White alundum powder: 2g; Water: 30g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 30g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished have high temperature lubricating, the preparation of the high temperature oxidation resistant environment-friendly coating of excellent heat conducting function.
(4) before the application clean is done on super-high strength steel plate surface, guarantee no greasy dirt, on super-high strength steel plate surface, dry 2h can use the method for employing brushing or spraying under the room temperature with the high temperature oxidation resistant environment-friendly paint spraying with high temperature lubricating, excellent heat conducting function of the present invention's preparation then.
Embodiment 2
(1) preparation waterborne epoxy resin adhesives.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 20g; The mixture 8g that titanium dioxide, boron trioxide, chromium sesquioxide are formed; Aluminium powder: 10g; Carbon black: 5 grams; Paraffin: 2g; White alundum powder: 2g; Water: 30g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 30g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished the preparation that the present invention has the high temperature oxidation resistant environment-friendly coating of high temperature lubricating, excellent heat conducting function.
(4) before the application 45# surface of steel plate is done clean, guarantee no greasy dirt, at the 45# surface of steel plate, dry 2h can use the method for employing brushing or spraying under the room temperature with the high temperature oxidation resistant environment-friendly paint spraying with high temperature lubricating, excellent heat conducting function of the present invention's preparation then.
Embodiment 3
(1) preparation waterborne epoxy resin adhesives.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 15g; The mixture 5g that titanium dioxide, boron trioxide, zinc oxide are formed; Magnesium powder: 10g; Graphite: 6 grams; Paraffin: 4g; Brown alundum powder: 2g; Water: 35g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 35g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished have high temperature lubricating, the preparation of the high temperature oxidation resistant environment-friendly coating of excellent heat conducting function.
(4) before the application Q235 surface of steel plate is done clean, guarantee no greasy dirt, at the Q235 surface of steel plate, dry 2h can use the method for employing brushing or spraying under the room temperature with the high temperature oxidation resistant environment-friendly paint spraying with high temperature lubricating, excellent heat conducting function of the present invention's preparation then.
Embodiment 4
(1) preparation waterborne epoxy resin adhesives.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 20g; The mixture 5g that titanium dioxide, boron trioxide, zinc oxide, chromium sesquioxide are formed; Aluminium powder: 12g; Graphite: 4 grams; Carbon black: 2g; Paraffin: 3g; White alundum powder: 1g; Brown alundum powder: 1g; Water: 40g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 30g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished have high temperature lubricating, the preparation of the high temperature oxidation resistant environment-friendly coating of excellent heat conducting function.
(4) before the application 40Cr steel surface of steel plate is done clean, guarantee no greasy dirt, at 40Cr steel surface of steel plate, dry 2h can use the method for employing brushing or spraying under the room temperature with the high temperature oxidation resistant environment-friendly paint spraying with high temperature lubricating, excellent heat conducting function of the present invention's preparation then.
Embodiment 5
(1) preparation waterborne epoxy resin adhesives.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 25g; The mixture 3g that titanium dioxide, chromium sesquioxide are formed; Aluminium powder: 6g; Magnesium powder: 5g; Carbon black: 5 grams; Paraffin: 3g; White alundum powder: 2g; Brown alundum powder: 1g; Water: 25g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 30g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished the preparation that the present invention has the high temperature oxidation resistant environment-friendly coating of high temperature lubricating, excellent heat conducting function.
(4) before the application T8 surface of steel plate is done clean, guarantee no greasy dirt, at the T8 surface of steel plate, dry 2h can use the method for employing brushing or spraying under the room temperature with the high temperature oxidation resistant environment-friendly paint spraying with high temperature lubricating, excellent heat conducting function of the present invention's preparation then.
Embodiment 6
(1) preparation waterborne epoxy resin adhesives.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 18g; Zinc oxide 5g; Aluminium powder: 13g; Graphite: 6g; Carbon black: 2g; Paraffin: 5g; , brown alundum powder: 1g; Andaluzite powder: 2g; Water: 30g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 30g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished the preparation that the present invention has the high temperature oxidation resistant environment-friendly coating of high temperature lubricating, excellent heat conducting function.
(4) before the application Cr12 surface of steel plate is done clean, guarantee no greasy dirt, adopt to brush then or high temperature oxidation resistant environment-friendly paint spraying that the method for spraying has high temperature lubricating, excellent heat conducting function with the present invention at the Cr12 surface of steel plate, dry 2h can use under the room temperature.
Embodiment 7
(1) preparation waterborne epoxy resin adhesives.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 15g; The mixture 12g that chromium sesquioxide, boron trioxide, zinc oxide are formed; Aluminium powder: 13g; Graphite: 5 grams; Paraffin: 3g; Andaluzite powder: 2g; Water: 35g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 30g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished the preparation that the present invention has the high temperature oxidation resistant environment-friendly coating of high temperature lubricating, excellent heat conducting function.
(4) before the application GH2036 surface of steel plate is done clean, guarantee no greasy dirt, at the GH2036 surface of steel plate, dry 2h can use the method for employing brushing or spraying under the room temperature with the high temperature oxidation resistant environment-friendly paint spraying with high temperature lubricating, excellent heat conducting function of the present invention's preparation then.
Embodiment 8
(1) preparation waterborne epoxy resin adhesives.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 25g; Aluminium powder: 3g; Magnesium powder: 8g; Carbon black: 6 grams; Paraffin: 3g; Brown alundum powder: 3g; Water: 25g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 35g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished the preparation that the present invention has the high temperature oxidation resistant environment-friendly coating of high temperature lubricating, excellent heat conducting function.
(4) before the application 8MnSi surface of steel plate is done clean, guarantee no greasy dirt, at the 8MnSi surface of steel plate, dry 2h can use the method for employing brushing or spraying under the room temperature with the high temperature oxidation resistant environment-friendly paint spraying with high temperature lubricating, excellent heat conducting function of the present invention's preparation then.
Embodiment 9
(1) preparation waterborne epoxy resin adhesives.
(2) micro-nanoization of coated material processing: at first with nanometer colloid silicon dioxde solution: 20g; Chromium sesquioxide 5g; Aluminium powder: 10g; Graphite: 6 grams; Carbon black: 2g; Paraffin: 4g; White alundum powder: 3g; Water: 25g is made into mixed slurry, then this slurry is put into agitating ball mill and grinds 1～2h, is put in the ultra-fine grinding machine for super again and grinds.
(3) with the micro-nano granules slurry of preparation in (2) and the waterborne epoxy resin adhesives 30g mixing and stirring of (1) middle preparation, concrete operations are: earlier nano particle slurry and waterborne epoxy resin adhesives B component are put into high function agitator and mix, then put into and mediate 2～3 times on the three-roll grinder, and then fully mix with the A component.So far, just finished the preparation that the present invention has the high temperature oxidation resistant environment-friendly coating of high temperature lubricating, excellent heat conducting function.
(4) before the application GCr15 surface of steel plate is done clean, guarantee no greasy dirt, at the GCr15 surface of steel plate, dry 2h can use the method for employing brushing or spraying under the room temperature with the high temperature oxidation resistant environment-friendly paint spraying with high temperature lubricating, excellent heat conducting function of the present invention's preparation then.
Claims (7)
1, a kind of high temperature oxidation resistant environment-friendly coating with high temperature lubricating, excellent heat conducting function is characterized in that the weight percent of each raw material of coating is as follows: waterborne epoxy resin adhesives: 20～60%; Nanometer high temperature material: 5～30%; Highly heat-conductive material: 10～20%; Other functional stuffing: 10～25%; Water: 20～30%, the weight of each component and be 100%.
2, according to claim 1 have a high temperature lubricating, the high temperature oxidation resistant environment-friendly coating of excellent heat conducting function, it is characterized in that, at first will comprise high temperature material, highly heat-conductive material, other functional stuffing, water etc. carry out stirring ball-milling and extra-fine grinding successively at interior mixed slurry, make the particle in the mixed slurry reach micro/nano level (100～300nm), mix the thorough mixing of mediating again earlier with waterborne epoxy resin adhesives B component then, later mix with the A component again, make the hydridization fusion fully of nano particle slurry and waterborne epoxy resin adhesives.So far, just made have high temperature lubricating, the high temperature oxidation resistant environment-friendly coating of excellent heat conducting function.
3, the high temperature oxidation resistant environment-friendly coating with high temperature lubricating, excellent heat conducting function according to claim 1, it is characterized in that the A of described waterborne epoxy resin adhesives, B component are respectively: the A component is to be mixed by a kind of in Resins, epoxy 128,6002,828 etc. or several; The B component is by soft segment polyethylene polyamine to be carried out the aqueous epoxy curing agent that chain extending reaction makes.
4, the high temperature oxidation resistant environment-friendly coating with high temperature lubricating, excellent heat conducting function according to claim 1 is characterized in that, described nanometer high temperature material comprises nanometer colloid silicon dioxde solution and several metal oxide.
5, the high temperature oxidation resistant environment-friendly coating with high temperature lubricating, excellent heat conducting function according to claim 1, it is characterized in that described highly heat-conductive material is micron-sized metallic particles, preferred aluminium powder, the magnesium powder, one or more mixture in the metal powders such as zinc powder.
6, metal oxide according to claim 4 is characterized in that, described metal oxide is titanium dioxide, boron trioxide, zinc oxide, the mixture of one or more compositions in the chromium sesquioxide etc.
7, the high temperature oxidation resistant environment-friendly coating with high temperature lubricating, excellent heat conducting function according to claim 1, it is characterized in that, kind and ratio that described other functional stuffing can be selected for use according to different work condition environments, working conditions adjustment, as: can add high-abrasive material, lubricant etc.Wherein high-abrasive material can be a white alundum powder, brown alundum powder, the mixture of one or more in the andaluzite powder; Wherein lubricant can be one or more the mixture in graphite, carbon black, the paraffin etc.
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| CN 200910162623 CN101643614B (en) | 2009-08-14 | 2009-08-14 | High temperature oxidation resistant environment-friendly coating with lubricating and heat conducting functions |
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| CN101643614B CN101643614B (en) | 2012-01-25 |
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| CN103537613A (en) * | 2012-12-17 | 2014-01-29 | 机械科学研究总院先进制造技术研究中心 | Mold-releasing type complexing agent with effects of resisting high temperature, insulating heat and demolding |
| CN103589381A (en) * | 2013-11-29 | 2014-02-19 | 丁保美 | High-molecular positioning reducing adhesive and preparation method thereof |
| CN105132651A (en) * | 2015-09-16 | 2015-12-09 | 南京科润工业介质股份有限公司 | Anti-carburizing painting capable of being removed through washing after quenching and preparation method thereof |
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| CN1257965C (en) * | 2004-03-23 | 2006-05-31 | 武汉钢铁(集团)公司 | Lubricant for slider and preparation method |
| CN100480297C (en) * | 2006-11-27 | 2009-04-22 | 华南理工大学 | Solidifying agent for aqueous epoxy resin, and preparation method thereof |
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| CN103537613B (en) * | 2012-12-17 | 2016-08-03 | 机械科学研究总院先进制造技术研究中心 | A kind of have resistance to 1450 DEG C of high temperature, heat insulation, the release formula complexing agent of demoulding effect |
| CN103589381A (en) * | 2013-11-29 | 2014-02-19 | 丁保美 | High-molecular positioning reducing adhesive and preparation method thereof |
| CN103589381B (en) * | 2013-11-29 | 2016-04-27 | 丁保美 | Virgin rubber and preparation method thereof is gone back in a kind of polymer location |
| CN105132651A (en) * | 2015-09-16 | 2015-12-09 | 南京科润工业介质股份有限公司 | Anti-carburizing painting capable of being removed through washing after quenching and preparation method thereof |
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| CN106047066A (en) * | 2016-06-30 | 2016-10-26 | 贵州德江韫韬科技有限责任公司 | Oxidization-resistant coating for solar lamp pole |
| CN110564939A (en) * | 2019-08-19 | 2019-12-13 | 湖北金兰特种金属材料有限公司 | heat treatment method for explosive welding composite board |
| CN115322654A (en) * | 2022-09-23 | 2022-11-11 | 枣庄市新达节能技术开发有限责任公司 | Nano heat-conducting ceramic wear-resistant and corrosion-resistant coating and preparation method thereof |
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