CN102504672A - Epoxy resin-based wear-resistant anticorrosive material - Google Patents
Epoxy resin-based wear-resistant anticorrosive material Download PDFInfo
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Abstract
The invention provides an epoxy resin-based wear-resistant anticorrosive material which is prepared by an ultrasonic dispersion and mechanical blending technology by taking epoxy resin as a matrix and nano palygorskite-alumina as filler, belonging to the technical field of composite materials. The epoxy resin-based wear-resistant anticorrosive material provided by the invention has excellent wear resistance and corrosion resistance and good adhesion, and thus can be used as a composite coating to be applied to the material surface of a mechanical part so as to improve the wear resistance and corrosion resistance of the mechanical part and prolong the service life of the metal part.
Description
Technical field
The invention belongs to technical field of composite materials, relate to a kind of complex abrasion-proof impregnating material, relate in particular to a kind of epoxy resin-matrix wear-and corrosion-resistant material.
Background technology
At present, wear-resistant coating resistance to wears the numerous areas undertaker, lubricating functions, like lubricating devices such as high-temperature engine, cylinders in the space industry; Be applied in precision and the work-ing life that to improve lathe on the lathe; The travelling speed that in the railway system, can improve locomotive with increase the service life; This coating also is applied to steam piano at the excellent properties aspect the fluid erosion wearing and tearing, water conservancy machinery parts surfaces such as ore dressing parts and turbine blade; Can also be as the supercoat of transparent decorations such as car glasses and building glass; Can be applicable to gear, cylinder, the metal of high polishing and the surface of timber and other plate material in addition, increase substantially its wear resistance and work-ing life.
Corrosion is the one of the main reasons of material energy loss always, and in developed country, the direct economic loss that annual corrosion is caused accounts for 1% ~ 4% of total value of production in national economy, has 30% equipment to scrap because of corrosion approximately.Also account for about 4% of gross national product in China owing to corrode the financial loss that is caused.For a long time, people adopt several different methods and technology that metal is protected, and prevent that corrosion from taking place, and are at present preventing and delaying in many measures of corrosion of metal, and are the most convenient for, most economical employing coating or coating protection.But a lot of wear-resistant coatings only have wear resistance, and do not possess Corrosion Protection.
Chinese patent 201010231505.0 discloses a kind of hydrophobic wear-resistant and corrosion-resistant paint and preparation method, is matrix with epoxy resin, white titanium pigment; Ceramics powder and permanent white are filler, obtain wear-resistant and corrosion-resistant paint, are mainly used in platform; Harbour, bridge, the protection against corrosion of marine structures such as boats and ships.Chinese patent 200510019468.6 provides a kind of aqueous epoxide resin paint; Wherein filler has been selected lime carbonate, kaolin, talcum powder; Permanent white etc.; Investigated the bending property of its coating, shock-resistance and water tolerance and weathering resistance are not investigated the friction and wear behavior of coating in this patent.Chinese patent 200920281466.8 and 200920029932.3; Use epoxy resin and Precondensed UreaFormaldehyde Resin as coating respectively, do not have other mineral filler, the toughening effect of this coating possibly not be very desirable; The result can cause coating under smaller load, can produce slight crack, makes coating shedding.Zhou Yuankang, magnify people such as refined and in " preparation of polygorskite nanometer/resol and the performance of friction materials thereof, " lubricated with sealing ", 2008 (33) 4:47-50 " literary composition, prepared the nano combined resol of polygorskite, be used for the Weaving type friction materials.People such as Sun Yanyan have prepared attapulgite/epoxy resin composite material in " preparation of epoxy resin/attapulgite clay nano composite material and sign; " plastics industry "; 2011 (39) 1:22-26 " literary composition; But this paper is not the article of research epoxy resin wear resisting property, the test of not mentioned any frictional behaviour aspect in the paper.People such as Kang Wentao have prepared attapulgite/epoxy resin composite material in " dispersion of epoxy resin/attapulgite composite material and mechanical property research; " Chinese plastics "; 2002 (16) 10:29-33 " literary composition; This paper has only been studied dispersiveness and the mechanical property of Attapulgite in epoxy resin, does not mention any research about the frictional behaviour aspect equally.
Summary of the invention
The objective of the invention is provides a kind of epoxy resin-matrix wear-and corrosion-resistant material to the problem that exists in the prior art.
Epoxy resin-matrix wear-and corrosion-resistant material of the present invention is to be matrix with epoxy resin, is filler with nanometer palygorskite-alumina composite material, adopts ultra-sonic dispersion and mechanical blending technology to be prepared from.Its concrete preparation method is following:
Under 15 ~ 90 ℃, epoxy resin is mixed with the mass ratio of 1:0.01 ~ 1:0.2 with nanometer palygorskite-aluminum oxide compounded mix, ultra-sonic dispersion under mechanical stirring obtains gluing shape epoxy resin-matrix wear-and corrosion-resistant material.
In order to reduce the curing system viscosity, increase flowability, increase the service life, improve processing property, be convenient to large-area construction, also add the thinner of epoxy resin-base quality 5 ~ 25%.Thinner adopts acetone, trichloromethane, YLENE, propyl carbinol, 669 (ethylene glycol diglycidylethers), AGE (C
12-14Fat water glyceryl ether).
In order to reduce the fragility behind the hardening of resin, improve its shock strength and unit elongation, add the toughner of epoxy resin-base quality 0.5 ~ 5%, toughner adopts DBP (butyl phthalate), DOP (DOP) etc.
To produce bubble in the preparation coating procedure and eliminate the bubble that produces in order to be suppressed at, add the skimmer of epoxy resin-base quality 0.1 ~ 1.5%.Skimmer adopts EFKA-2721 (acrylic acid-2-ethyl ethyl ester), EFKA-2035 (diisobutyl ketone), organic silicon modified by polyether class, modified polyorganosiloxanes class.
The preparation process of said nanometer palygorskite-aluminum oxide compounded mix is: polygorskite clay and the aluminum oxide mass ratio by 1:0.2 ~ 1:5 is distributed in the water, and fully ultra-sonic dispersion filters drying; Again dry mixture is placed tube furnace, under the nitrogen atmosphere, calcining 3 ~ 10h under 100 ~ 400 ℃ grinds and promptly gets nanometer palygorskite-aluminum oxide compounded mix.
Through concrete experiment the performance of epoxy resin-matrix wear-and corrosion-resistant material of the present invention is done below and specified.
1, appearance property
Fig. 1 is the photomacrograph of epoxy resin composite material of the present invention.A is that pure epoxy resin is coated in the photo on the steel matrix, and B is the photo of epoxy resin-matrix wear-and corrosion-resistant coated materials of the present invention on the steel matrix.As can beappreciated from fig. 1, epoxy resin-matrix wear-and corrosion-resistant coated materials of the present invention is at steel surface, and coatingsurface is smooth, color tunable in practical application.
2, thermal performance analysis
Fig. 2 is the thermal multigraph of the epoxy resin-matrix wear-and corrosion-resistant material of different fillers.(1) for the polygorskite being the epoxy resin-base composite material of filler preparation; (2) be the pure epoxy resin that does not have filler; (3) for the nano-aluminium oxide being the epoxy resin-matrix wear-and corrosion-resistant material of filler preparation; (4) be the epoxy resin-matrix wear-and corrosion-resistant material of the present invention with polygorskite-nano-aluminium oxide compounded mix preparation.As can be seen from Figure 3, all than (2) height, especially between 400 ℃ ~ 600 ℃, the thermostability of (4) is best 550 ℃ thermostability in (1) (3) (4), explains that the thermostability of the epoxy resin composite material of the present invention's preparation obviously increases.
3, wear resisting property
With the epoxy resin-matrix wear-and corrosion-resistant coated materials of the present invention preparation on the steel matrix; Adopt the UMT-3 friction wear testing machine to carry out wear-resisting experiment: test condition: load 50N, rotor diameter is 12.7mm, and rotor sample contact sliding time is 10min; Frequency is 3.3Hz; (about 200rpm), 25 ℃ of room temperatures, humidity 35.
Fig. 3 is a pure epoxy resin matrix The friction coefficient time-varying relationship curve, and Fig. 4 is a friction coefficient of composite material variation relation curve in time.Can find by Fig. 3,4 comparison, the obviously increase of stability of the epoxy resin compound coating of the present invention's preparation its frictional coefficient 200s after, and average friction coefficient drops to 0.681 by original 0.767.
Fig. 5 is the SEM figure of epoxy resin-matrix wear-and corrosion-resistant material coating matrix material polishing scratch after the friction of UMT-3 friction wear testing machine.Wherein A is a pure epoxy resin friction back polishing scratch SEM photo; B is a matrix material friction back polishing scratch SEM photo.As can beappreciated from fig. 5, after friction under the identical condition, the pure epoxy resin coatingsurface is more coarse than composite coating surface, explains that the epoxy resin composite material of the present invention's preparation can strengthen than the pure epoxy resin abrasion property.
4, antiseptic property
The epoxy resin-matrix wear-and corrosion-resistant coated materials of the present invention preparation on the steel matrix, is carried out the antiseptic property test according to GB/T1763-79 (89) regulation.
Experimental result: be coated with epoxy resin composite material of the present invention and get the steel matrix, in acid, alkali, salts solution, soak 72h after, coating is non-foaming, non-corrosive, do not peel off; Quality did not have slight change before and after meticulous weighing was soaked, and explained that epoxy resin composite material of the present invention is had good antiseptic property.
In sum; Epoxy resin-matrix wear-and corrosion-resistant material of the present invention has excellent wear-and corrosion-resistant performance; And have good sticking power, therefore, can be used as compound coating and be applied in the component of machine material surface; Improving the wear-and corrosion-resistant performance of component of machine, thereby prolong work-ing life of metallic element.
Description of drawings
Fig. 1 is the photomacrograph of epoxy resin composite material of the present invention.
Fig. 2 is the thermal multigraph of filler content different coatings material.
Fig. 3 is a pure epoxy resin matrix The friction coefficient time-varying relationship curve.
Fig. 4 is a friction coefficient of composite material of the present invention variation relation curve in time.
The SEM figure of Fig. 5 coating composite material polishing scratch after the friction of UMT-3 friction wear testing machine.
Embodiment
Be described further through the preparation and the application of specific embodiment below epoxy resin-matrix wear-and corrosion-resistant material of the present invention.
Embodiment 1
The preparation of polygorskite-aluminum oxide inorganic compounding filler: the polygorskite clay of purifying is mixed with the mass ratio of aluminum oxide according to 5:1, and join in the zero(ppm) water, ultra-sonic dispersion 10 min filter drying.Dry mixture is positioned in the tube furnace, under the nitrogen atmosphere, calcines 10h down for 100 ℃, grind and promptly get nanometer palygorskite-aluminum oxide inorganic compounding filler.
Epoxy resin-matrix wear-and corrosion-resistant coating prepn: take by weighing 5.0g epoxy resin and place three-necked flask, be warming up to 70 ℃, under the mechanical stirring; Add mixed diluent (YLENE: propyl carbinol (volume ratio)=1:2) 0.25 g; Toughner DBP (Witcizer 300) 0.025 g, nanometer palygorskite-aluminum oxide compounded mix 0.05 g stirs 20 min; Ultra-sonic dispersion is handled 20 min afterwards, then stirs 40 min; Add skimmer EFKA-2721 (acrylic acid-2-ethyl ethyl ester) 0.005 g again; Stir 10 min under the system of opening wide, vacuumize then, continue to stir and add solidifying agent (T-31) 0.80g; Continue to vacuumize for some time, obtain gluing shape liquid-state epoxy resin matrix material.This gluing shape matrix material is coated on the mould at the bottom of the steel matter, in 50 ℃ of drying 10 h.
Performance index: wear resisting property is good, frictional coefficient 0.763, antiseptic property test passes.
Embodiment 2
The preparation of polygorskite-aluminum oxide inorganic compounding filler: the polygorskite clay of purifying is mixed with the mass ratio of aluminum oxide according to 4:1, and join in the zero(ppm) water, ultra-sonic dispersion 30 min filter drying.Dry mixture is positioned in the tube furnace, under the nitrogen atmosphere, calcines 5h down for 350 ℃, grind and promptly get nanometer palygorskite-aluminum oxide inorganic compounding filler.
Epoxy resin-matrix wear-and corrosion-resistant coating prepn: take by weighing 5.0g epoxy resin and place three-necked flask, be warming up to 50 ℃, under the mechanical stirring; Add thinner (trichloromethane: propyl carbinol (volume ratio)=1:2) 0.50 g; Toughner DOP (DOP) 0.15 g, nanometer palygorskite-aluminum oxide compounded mix 0.3g stirs 20 min; Ultra-sonic dispersion is handled 20 min afterwards, then stirs 40 min; Add skimmer (EFKA-2035 (diisobutyl ketone)) 0.02g again; Stir 10 min under the system of opening wide, vacuumize then, continue to stir and add solidifying agent (T-31) 0.50 g; Continue to vacuumize for some time, obtain gluing shape liquid-state epoxy resin matrix material.This gluing shape matrix material is coated on the mould at the bottom of the steel matter, in 60 ℃ of drying 8 h.
Performance index: wear resisting property is good, frictional coefficient 0.7001, antiseptic property test passes.
Embodiment 3
The preparation of polygorskite-aluminum oxide inorganic compounding filler: the polygorskite clay of purifying is mixed with the mass ratio of aluminum oxide according to 3:1, and join in the zero(ppm) water, ultra-sonic dispersion 30 min filter drying.Dry mixture is positioned in the tube furnace, under the nitrogen atmosphere, calcines 7h down for 250 ℃, grind and promptly get nanometer palygorskite-aluminum oxide inorganic compounding filler.
Epoxy resin-matrix wear-and corrosion-resistant coating prepn: take by weighing 5.0g epoxy resin and place three-necked flask, be warming up to 60 ℃, under the mechanical stirring; Add thinner (669 (ethylene glycol diglycidylether)) 0.4g; Toughner DBP (butyl phthalate) 0.04 g, nanometer palygorskite-aluminum oxide compounded mix 0.1g stirs 20 min; Ultra-sonic dispersion is handled 20 min afterwards, then stirs 40 min; Add skimmer (EFKA-2035 (diisobutyl ketone)) 0.03 g again; Stir 10 min under the system of opening wide, vacuumize then, continue to stir and add solidifying agent (T-31) 1.0 g; Continue to vacuumize for some time, obtain gluing shape liquid-state epoxy resin matrix material.This gluing shape matrix material is coated on the mould at the bottom of the steel matter 70 ℃ of drying 10 h.
Performance index: wear resisting property is good, frictional coefficient 0.697, antiseptic property test passes.
Embodiment 4
The preparation of polygorskite-aluminum oxide inorganic compounding filler: the polygorskite clay of purifying is mixed with the mass ratio of aluminum oxide according to 1:1, and join in the zero(ppm) water, ultra-sonic dispersion 30 min filter drying.Dry mixture is positioned in the tube furnace, under the nitrogen atmosphere, calcines 8h down for 350 ℃, grind and promptly get nanometer palygorskite-aluminum oxide inorganic compounding filler.
Epoxy resin-matrix wear-and corrosion-resistant coating prepn: take by weighing 5.0g epoxy resin and place three-necked flask, be warming up to 50 ℃, under the mechanical stirring, add thinner (AGE (C
12-14Fat water glyceryl ether)) 1.0 g, toughner DBP (butyl phthalate) 0.10 g, nanometer palygorskite-aluminum oxide compounded mix 0.47 g stirs 20 min, and ultra-sonic dispersion is handled 20 min afterwards, then stirs 40 min; Add skimmer (modified polyorganosiloxanes class) 0.04g again, open wide and stir 10 min under the system, vacuumize then, continue to stir and add solidifying agent (T-31) 1.25 g, continue to vacuumize for some time, obtain gluing shape liquid-state epoxy resin matrix material.This gluing shape matrix material is coated on the mould at the bottom of the steel matter 60 ℃ of drying 14 h.
Performance index: wear resisting property is good, frictional coefficient 0.689, antiseptic property test passes.
Embodiment 5
The preparation of polygorskite-aluminum oxide inorganic compounding filler: the polygorskite clay of purifying is mixed with the mass ratio of aluminum oxide according to 1:2, and join in the zero(ppm) water, ultra-sonic dispersion 30 min filter drying.Dry mixture is positioned in the tube furnace, under the nitrogen atmosphere, calcines 6h down for 300 ℃, grind and promptly get nanometer palygorskite-aluminum oxide inorganic compounding filler.
Epoxy resin-matrix wear-and corrosion-resistant coating prepn: take by weighing 5.0g epoxy resin and place three-necked flask, be warming up to 40 ℃, under the mechanical stirring; Add thinner (YLENE: the 0.75g of propyl carbinol=1:2); Toughner DOP (DOP) 0.08 g, nanometer palygorskite-aluminum oxide compounded mix 0.8 g stirs 20 min; Ultra-sonic dispersion is handled 20 min afterwards, then stirs 40 min; Add skimmer (EFKA-2035 (diisobutyl ketone)) 0.05g again; Stir 10 min under the system of opening wide, vacuumize then, continue to stir and add solidifying agent (T-31) 0.25 g; Continue to vacuumize for some time, obtain gluing shape liquid-state epoxy resin matrix material.This gluing shape is met on the mould of coated materials at the bottom of the steel matter 50 ℃ of drying 24 h.
Performance index: wear resisting property is good, frictional coefficient 0.692, antiseptic property test passes.
Embodiment 6
The preparation of polygorskite-aluminum oxide inorganic compounding filler: the polygorskite clay of purifying is mixed with the mass ratio of aluminum oxide according to 1:4, and join in the zero(ppm) water, ultra-sonic dispersion 30 min filter drying.Dry mixture is positioned in the tube furnace, under the nitrogen atmosphere, calcines 5 h down for 400 ℃, grind and promptly get nanometer palygorskite-aluminum oxide inorganic compounding filler.
Epoxy resin-matrix wear-and corrosion-resistant coating prepn: take by weighing 5.0g epoxy resin and place three-necked flask, be warming up to 50 ℃, under the mechanical stirring; Add thinner (YLENE: acetone (volume ratio)=1:1) 1.15g; Toughner (DOP) 0.20 g, nanometer palygorskite-aluminum oxide compounded mix 1g stirs 20 min; Ultra-sonic dispersion is handled 20 min afterwards, then stirs 40 min; Add skimmer (organic silicon modified by polyether class) 0.065g again, open wide and stir 10 min under the system, vacuumize then, continue to stir and add solidifying agent (T-31) 1.40 g, continue to vacuumize for some time, obtain gluing shape liquid-state epoxy resin matrix material.This gluing shape matrix material is coated on the mould at the bottom of the steel matter 50 ℃ of drying 24 h.
Performance index: wear resisting property is good, frictional coefficient 0.685, antiseptic property test passes.
Embodiment 7
The preparation of polygorskite-aluminum oxide inorganic compounding filler: the polygorskite clay of purifying is mixed with the mass ratio of aluminum oxide according to 1:5, and join in the zero(ppm) water, ultra-sonic dispersion 30 min filter drying.Dry mixture is positioned in the tube furnace, under the nitrogen atmosphere, calcines 10 h down for 300 ℃, grind and promptly get nanometer palygorskite-aluminum oxide inorganic compounding filler.
Epoxy resin-matrix wear-and corrosion-resistant coating prepn: take by weighing 5.0g epoxy resin and place three-necked flask, constant temperature to 30 ℃ is under the mechanical stirring; Add thinner (YLENE: propyl carbinol (volume ratio)=1:1) 1.25g; Toughner (Witcizer 300) 0.25 g, nanometer palygorskite-aluminum oxide compounded mix 0.5g stirs 20 min; Ultra-sonic dispersion is handled 20 min afterwards, then stirs 40 min; Add skimmer (organic silicon modified by polyether class) 0.06g again, open wide and stir 10 min under the system, vacuumize then, continue to stir and add solidifying agent (T-31) 1.5 g, continue to vacuumize for some time, obtain gluing shape liquid-state epoxy resin matrix material.This matrix material is coated on the mould at the bottom of the steel matter 25 ℃ of drying 24 h.
Performance index: wear resisting property is good, frictional coefficient 0.681, antiseptic property test passes.
Claims (6)
1. epoxy resin-matrix wear-and corrosion-resistant material; Be under 15 ~ 90 ℃; Epoxy resin is mixed with the mass ratio of 1:0.01 ~ 1:0.2 with nanometer palygorskite-aluminum oxide compounded mix, and ultra-sonic dispersion under mechanical stirring obtains gluing shape epoxy resin-matrix wear-and corrosion-resistant material.
2. epoxy resin-matrix wear-and corrosion-resistant material according to claim 1; It is characterized in that: being prepared as of said nanometer palygorskite-aluminum oxide compounded mix: polygorskite clay and the aluminum oxide mass ratio by 1:0.2 ~ 1:5 is distributed in the water; Fully ultrasonic, filter drying; Again dry mixture is placed tube furnace, under the nitrogen atmosphere, calcined 3 ~ 10 hours down, grind and promptly get nanometer palygorskite-aluminum oxide compounded mix in 100 ~ 400 ℃.
3. epoxy resin-matrix wear-and corrosion-resistant material according to claim 1 or claim 2 is characterized in that: the thinner that adds epoxy resin-base quality 5 ~ 25%.
4. epoxy resin-matrix wear-and corrosion-resistant material according to claim 1 or claim 2 is characterized in that: the toughner that adds epoxy resin-base quality 0.5 ~ 5%.
5. epoxy resin-matrix wear-and corrosion-resistant material according to claim 1 or claim 2 is characterized in that: the skimmer that adds epoxy resin-base quality 0.1 ~ 1.5%.
6. epoxy resin-matrix wear-and corrosion-resistant material according to claim 1 or claim 2 is characterized in that: the solidifying agent that adds epoxy resin-base quality 5 ~ 30%.
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| CN102942766A (en) * | 2012-12-06 | 2013-02-27 | 西北师范大学 | Preparation method of wear-resistant epoxy resin material |
| CN102964778A (en) * | 2012-12-06 | 2013-03-13 | 西北师范大学 | Preparation method of ionic liquid-epoxy resin composite material |
| CN103113712A (en) * | 2013-02-04 | 2013-05-22 | 佛山市科富科技有限公司 | Preparation method and application of modified nano-silicon dioxide toughened epoxy resin |
| CN103450774A (en) * | 2012-05-30 | 2013-12-18 | 南京信息工程大学 | Environmentally-friendly epoxy corrosion-resistant wear-resistant paint |
| CN103483894A (en) * | 2013-09-03 | 2014-01-01 | 安徽精一机械设备有限公司 | Novel metal anticorrosive wear-resistant powder paint |
| CN103525252A (en) * | 2013-09-04 | 2014-01-22 | 安徽东方金河精密机械制造有限公司 | Attapulgite powder coating for inner walls |
| CN103881530A (en) * | 2014-02-26 | 2014-06-25 | 施俊杰 | Preparation method of epoxy resin anticorrosive material |
| CN104140748A (en) * | 2014-07-28 | 2014-11-12 | 宁国市开源电力耐磨材料有限公司 | Wear-resistant paint for mechanical part |
| CN106046321A (en) * | 2016-06-13 | 2016-10-26 | 西北师范大学 | Functional curing agent and method for preparing bisphenol A type epoxy resin thereof |
| CN106497333A (en) * | 2016-11-17 | 2017-03-15 | 无锡明盛纺织机械有限公司 | A kind of turbine blade modified epoxy coating antiseptic loses abrasionproof etching method |
| CN106519903A (en) * | 2016-11-17 | 2017-03-22 | 无锡明盛纺织机械有限公司 | Anti-corrosion and anti-abrasion method for organic coating of hydraulic turbine blade |
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| 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 |
| CN102964778A (en) * | 2012-12-06 | 2013-03-13 | 西北师范大学 | Preparation method of ionic liquid-epoxy resin composite material |
| CN102942766A (en) * | 2012-12-06 | 2013-02-27 | 西北师范大学 | Preparation method of wear-resistant epoxy resin material |
| CN102964778B (en) * | 2012-12-06 | 2015-08-05 | 西北师范大学 | Preparation method of ionic liquid-epoxy resin composite material |
| CN102942766B (en) * | 2012-12-06 | 2015-07-15 | 西北师范大学 | Preparation method of wear-resistant epoxy resin material |
| CN103113712B (en) * | 2013-02-04 | 2015-04-01 | 广东科富科技股份有限公司 | Preparation method and application of modified nano-silicon dioxide toughened epoxy resin |
| CN103113712A (en) * | 2013-02-04 | 2013-05-22 | 佛山市科富科技有限公司 | Preparation method and application of modified nano-silicon dioxide toughened epoxy resin |
| CN103483894A (en) * | 2013-09-03 | 2014-01-01 | 安徽精一机械设备有限公司 | Novel metal anticorrosive wear-resistant powder paint |
| CN103525252A (en) * | 2013-09-04 | 2014-01-22 | 安徽东方金河精密机械制造有限公司 | Attapulgite powder coating for inner walls |
| CN103525252B (en) * | 2013-09-04 | 2016-05-25 | 安徽东方金河精密机械制造有限公司 | A kind of attapulgite interior wall powder coating |
| CN103881530A (en) * | 2014-02-26 | 2014-06-25 | 施俊杰 | Preparation method of epoxy resin anticorrosive material |
| CN104140748A (en) * | 2014-07-28 | 2014-11-12 | 宁国市开源电力耐磨材料有限公司 | Wear-resistant paint for mechanical part |
| CN106046321A (en) * | 2016-06-13 | 2016-10-26 | 西北师范大学 | Functional curing agent and method for preparing bisphenol A type epoxy resin thereof |
| CN106497333A (en) * | 2016-11-17 | 2017-03-15 | 无锡明盛纺织机械有限公司 | A kind of turbine blade modified epoxy coating antiseptic loses abrasionproof etching method |
| CN106519903A (en) * | 2016-11-17 | 2017-03-22 | 无锡明盛纺织机械有限公司 | Anti-corrosion and anti-abrasion method for organic coating of hydraulic turbine blade |
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