CN108587392A - A kind of waterborne epoxy coatings not easy to crack - Google Patents
A kind of waterborne epoxy coatings not easy to crack Download PDFInfo
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- CN108587392A CN108587392A CN201810294279.7A CN201810294279A CN108587392A CN 108587392 A CN108587392 A CN 108587392A CN 201810294279 A CN201810294279 A CN 201810294279A CN 108587392 A CN108587392 A CN 108587392A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of waterborne epoxy coatings not easy to crack, the weight ratio of component A and B component, component A and B component is 1：0.2‑1；Component A includes：Epoxy resin E 51, alkyd resin compound, calcium sulfate crystal whiskers, titanium dioxide, diatomite, sepiolite powder, acetone, levelling agent, dispersant, antifoaming agent, wetting agent, aqueous color paste；B component includes by weight：2 10 parts of trimethylhexamethylenediamine, 100 200 parts of deionized water.Alkyd resin compound is prepared using following technique：Flyash, alkyd resin are stirred, ethanol solution stirring is added, heating stirring is filtered, and washing is calcined under nitrogen protection, cooling, and crushing obtains alkyd resin compound.Waterborne epoxy coatings not easy to crack proposed by the present invention, heat insulation effect is good, and film is not easy to crack, falls off, and service life is long.
Description
Technical field
The present invention relates to technical field of coatings more particularly to a kind of waterborne epoxy coatings not easy to crack.
Background technology
Water paint is the coating as decentralized medium and diluent with water, aqueous compared with the coating of organic solvent type
Coating has saved a large amount of organic material resource, greatly reduces the volatilization of organic solvent in coating to the pollution of air and constructed
Fire hazard in journey, water are resources extremely abundant on the earth, are taken conveniently, of low cost, as the solvent in coating
It uses, destruction or less will not be generated to water resource.But there are films that technology easy to crack, that heat insulating ability is poor is asked for current water paint
Topic, it would be highly desirable to solve.
Invention content
Technical problems based on background technology, the present invention propose a kind of waterborne epoxy coatings not easy to crack, protect
Temp effect is good, and film is not easy to crack, falls off, and service life is long.
A kind of waterborne epoxy coatings not easy to crack proposed by the present invention, component A and B component, the weight of component A and B component
Amount is than being 1：0.2-1；Component A includes：Epoxy resin E-51, alkyd resin compound, calcium sulfate crystal whiskers, titanium dioxide, diatom
Soil, sepiolite powder, acetone, levelling agent, dispersant, antifoaming agent, wetting agent, aqueous color paste；B component includes by weight：Front three
2-10 parts of base hexamethylene diamine, 100-200 parts of deionized water.
Preferably, epoxy resin E-51, alkyd resin compound weight ratio be 40-100：20-40.
Preferably, calcium sulfate crystal whiskers, titanium dioxide, diatomite, sepiolite powder, epoxy resin E-51 weight ratio be 5-
18：1-4：1-4：1-4：40-100.
Preferably, the weight ratio of epoxy resin E-51, acetone, levelling agent, dispersant, antifoaming agent, wetting agent, aqueous color paste
For 40-100：10-20：4-10：1-2：1-2：1-2：1-2.
Preferably, alkyd resin compound is prepared using following technique：Flyash, alkyd resin are stirred, ethyl alcohol is added
Solution stirs, and heating stirring is filtered, and washing is calcined under nitrogen protection, cooling, and crushing obtains alkyd resin compound.
Preferably, in the preparation process of alkyd resin compound, flyash, alkyd resin are stirred into 1-3h, whipping temp
It is 60-80 DEG C.
Preferably, in the preparation process of alkyd resin compound, after ethanol solution stirring is added, it is warming up to 110-120 DEG C
Stir 2-5h.
Preferably, in the preparation process of alkyd resin compound, 10-20min is calcined under nitrogen protection, and calcination temperature is
1000-1200℃。
Preferably, in the preparation process of alkyd resin compound, flyash, alkyd resin, ethanol solution weight ratio be
15-24：2-10：100-140, a concentration of 50-70wt% of ethanol solution.
Gained coating composition of the invention is reasonable, and of low cost, compatibility is good between each raw material, environmentally friendly, mould proof, fire-retardant, tool
There is excellent application value, and film forming drying time is short, flintiness is good, while also having good extension property and heat resistance
Energy.
The present invention uses epoxy resin E-51, alkyd resin compound for major ingredient, and cooperation trimethylhexamethylenediamine is made
With keeping gained coating film not only closely knit, but also heat insulation effect is good, and waterproof, permeability resistance are excellent, and mechanical property is good, cohesive force
By force；In alkyd resin compound, it is dispersed in ethanol solution with flyash, alkyd resin, it is high under fully dispersed rear nitrogen protection
Temperature calcining, it is not only internal to form a large amount of honeycomb structures, but also heat insulating effect is fabulous, then with calcium sulfate crystal whiskers, titanium dioxide
Titanium, diatomite, sepiolite powder compounding, obtained by guarantee on the basis of coating hardness of film, good toughness increases wear-resisting property, and
And durability, scrubbing resistance and high temperature resistance are fabulous, easily brush, environmental protection, and it is discarded degradable, with levelling agent, dispersant, antifoaming agent
Cooperation has certain defoaming and suds effect, while can improve the flow leveling of product, and defoaming capacity is strong, is easy to other
Dispensing mixes, and side reaction will not be caused in film forming procedure, and better wetting effect can be reached by being used cooperatively with wetting agent.
The present invention is used for building masonry wall, and excellent in mechanical performance, heat insulation effect is good, has excellent washable property, guarantees the quality
Phase is long, and environmental protection is free from environmental pollution.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
The weight ratio of a kind of waterborne epoxy coatings not easy to crack, component A and B component, component A and B component is 1：0.2；
Component A includes：Epoxy resin E-51 100g, alkyd resin compound 20g, calcium sulfate crystal whiskers 18g, titanium dioxide
1g, diatomite 4g, sepiolite powder 1g, acetone 20g, levelling agent 4g, dispersant 2g, antifoaming agent 1g, wetting agent 2g, aqueous color paste
1g；
Alkyd resin compound is prepared using following technique：24g flyash, 2g alkyd resins are stirred into 3h, whipping temp
It is 60 DEG C, a concentration of 50wt% ethanol solutions of 140g is added and stir 40min, mixing speed 200r/min is warming up to 120 DEG C
2h is stirred, is filtered, 20min is calcined in washing under nitrogen protection, and calcination temperature is 1000 DEG C, cooling, and crushing obtains alkyd resin
Compound；
B component includes：Trimethylhexamethylenediamine 10g, deionized water 100g.
Embodiment 2
The weight ratio of a kind of waterborne epoxy coatings not easy to crack, component A and B component, component A and B component is 1：1；
Component A includes：Epoxy resin E-51 40g, alkyd resin compound 40g, calcium sulfate crystal whiskers 5g, titanium dioxide 4g,
Diatomite 1g, sepiolite powder 4g, acetone 10g, levelling agent 10g, dispersant 1g, antifoaming agent 2g, wetting agent 1g, aqueous color paste 2g；
Alkyd resin compound is prepared using following technique：15g flyash, 10g alkyd resins are stirred into 1h, whipping temp
It is 80 DEG C, a concentration of 70wt% ethanol solutions of 100g is added and stir 20min, mixing speed 400r/min is warming up to 110 DEG C
5h is stirred, is filtered, 10min is calcined in washing under nitrogen protection, and calcination temperature is 1200 DEG C, cooling, and crushing obtains alkyd resin
Compound；
B component includes：Trimethylhexamethylenediamine 2g, deionized water 200g.
Embodiment 3
The weight ratio of a kind of waterborne epoxy coatings not easy to crack, component A and B component, component A and B component is 1：0.4；
Component A includes：Epoxy resin E-51 80g, alkyd resin compound 25g, calcium sulfate crystal whiskers 14g, titanium dioxide
2g, diatomite 3g, sepiolite powder 2g, acetone 17g, levelling agent 6g, dispersant 1.8g, antifoaming agent 1.3g, wetting agent 1.6g are aqueous
Mill base 1.3g；
Alkyd resin compound is prepared using following technique：22g flyash, 6g alkyd resins are stirred into 2.5h, stirring temperature
Degree is 65 DEG C, and a concentration of 55wt% ethanol solutions of 130g are added and stir 35min, mixing speed 250r/min is warming up to 118
DEG C stirring 3h, is filtered, 18min is calcined in washing under nitrogen protection, and calcination temperature is 1050 DEG C, cooling, and crushing obtains alkyd tree
Fat complexes；
B component includes：Trimethylhexamethylenediamine 8g, deionized water 120g.
Embodiment 4
The weight ratio of a kind of waterborne epoxy coatings not easy to crack, component A and B component, component A and B component is 1：0.8；
Component A includes：Epoxy resin E-51 60g, alkyd resin compound 35g, calcium sulfate crystal whiskers 8g, titanium dioxide 3g,
Diatomite 2g, sepiolite powder 3g, acetone 13g, levelling agent 8g, dispersant 1.2g, antifoaming agent 1.7g, wetting agent 1.4g, aqueous color
Starch 1.7g；
Alkyd resin compound is prepared using following technique：18g flyash, 8g alkyd resins are stirred into 1.5h, stirring temperature
Degree is 75 DEG C, and a concentration of 65wt% ethanol solutions of 110g are added and stir 25min, mixing speed 350r/min is warming up to 112 DEG C
4h is stirred, is filtered, 12min is calcined in washing under nitrogen protection, and calcination temperature is 1150 DEG C, cooling, and crushing obtains alkyd resin
Compound；
B component includes：Trimethylhexamethylenediamine 4g, deionized water 180g.
Embodiment 5
The weight ratio of a kind of waterborne epoxy coatings not easy to crack, component A and B component, component A and B component is 1：0.5；
Component A includes：Epoxy resin E-51 70g, alkyd resin compound 30g, calcium sulfate crystal whiskers 11g, titanium dioxide
2.5g, diatomite 2.5g, sepiolite powder 2.5g, acetone 15g, levelling agent 7g, dispersant 1.5g, antifoaming agent 1.5g, wetting agent
1.5g, aqueous color paste 1.5g；
Alkyd resin compound is prepared using following technique：20g flyash, 7g alkyd resins are stirred into 2h, whipping temp
It is 70 DEG C, a concentration of 60wt% ethanol solutions of 120g is added and stir 30min, mixing speed 300r/min is warming up to 115 DEG C
3.5h is stirred, is filtered, 15min is calcined in washing under nitrogen protection, and calcination temperature is 1100 DEG C, cooling, and crushing obtains alkyd tree
Fat complexes；
B component includes：Trimethylhexamethylenediamine 6g, deionized water 150g.
By 5 gained of embodiment waterborne epoxy coatings not easy to crack and existing common coating for internal and external wall, surveyed as follows
Examination：
1, heat insulation test：Two 320mm × 320mm are being made just with the uralite of 350mm × 350mm × 10mm
Cube chest, the inside respectively fill the lamp of a 25W, to heat up；The temperature probe of temperature measuring equipment is inserted into temperature measurement box, hole is sealed
Mouthful；Waterborne epoxy coatings (thickness 0.5mm) not easy to crack is done in one of case surrounding outer surface, another case surrounding appearance
Common coating for internal and external wall (thickness 0.5mm) is done in face, when temperature is 25 DEG C, while being started to warm up after drying 10 days, general after 5h
The temperature inside the box of logical coating for internal and external wall is 34.7 DEG C, and the temperature inside the box of waterborne epoxy coatings not easy to crack is 53.4 DEG C.It proves
The present invention has the characteristics that heat insulation effect is good.
2, heat-insulated test：Two 360mm × 360mm × 30mm thermal coefficients are done at 0.3W/ (cmK) with XPS extruded sheets
Temperature measurement box, the internal diameter of temperature measurement box is to reserve to do installation thermometric test plate (panel) and use at the top of 300mm × 300mm；Select two 360mm ×
The uralite of 360mm × 10mm, one of them does waterborne epoxy coatings (thickness 0.5mm) not easy to crack, another
Common coating for internal and external wall (thickness 0.5mm) is done, when temperature is 25 DEG C, while being installed at the top of temperature measurement box after drying 28 days,
External coating is sealed around outwardly, and the temperature probe of thermometric is inserted into temperature measurement box, and temperature probe is fixed on the inside of test plate (panel)
The center on surface seals temperature-measuring port；The thermometric test plate (panel) of two above temperature measurement box is 30cm apart from heating lamp, and heating lamp is
150W, after powering on heating 5 hours, waterborne epoxy coatings case thermometer not easy to crack shows 32 DEG C, and common inner-outer wall applies
Expect 46 DEG C of test plate (panel) case temperature display.Prove that the present invention has the characteristics that good heat-insulation effect.
3, anti-dropout is tested：With two 600mm × 600mm × 20mm uralites, one of them does not easy to crack
Waterborne epoxy coatings sample (thickness 0.5mm), another does common coating for internal and external wall sample (thickness 0.5mm), in temperature
When being 25 DEG C, maintenance is landed with 500g steel balls at the 0.61m of test coupon surface after 28 days, impacts two pieces of samples, common inside and outside
There are a small amount of cracking and break-off on wall coating, then stands intact on waterborne epoxy coatings not easy to crack.Prove present invention tool
Have the characteristics that anti-dropout effect is good.
4, anti-cracking experiment：Water-base epoxy not easy to crack is done on the uralite of 300mm × 300mm × 10mm to apply
Expect (thickness 0.5mm), 168h in -20 DEG C of refrigerators is put into after 7 days to be dried, is then placed in 168h in 50 DEG C of baking ovens and takes out, nothing
Segmentation crack；Prove that the present invention has the characteristics that anti-cracking.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of waterborne epoxy coatings not easy to crack, which is characterized in that the weight ratio of component A and B component, component A and B component
It is 1：0.2-1；
Component A includes：Epoxy resin E-51, alkyd resin compound, calcium sulfate crystal whiskers, titanium dioxide, diatomite, sepiolite
Powder, acetone, levelling agent, dispersant, antifoaming agent, wetting agent, aqueous color paste；
B component includes by weight：2-10 parts of trimethylhexamethylenediamine, 100-200 parts of deionized water.
2. waterborne epoxy coatings not easy to crack according to claim 1, which is characterized in that epoxy resin E-51, alkyd tree
The weight ratio of fat complexes is 40-100：20-40.
3. waterborne epoxy coatings not easy to crack according to claim 1 or claim 2, which is characterized in that calcium sulfate crystal whiskers, titanium dioxide
Titanium, diatomite, sepiolite powder, epoxy resin E-51 weight ratio be 5-18：1-4：1-4：1-4：40-100.
4. according to waterborne epoxy coatings not easy to crack described in claim any one of 1-3, which is characterized in that epoxy resin E-
51, acetone, levelling agent, dispersant, antifoaming agent, wetting agent, aqueous color paste weight ratio be 40-100：10-20：4-10：1-2：
1-2：1-2：1-2.
5. according to waterborne epoxy coatings not easy to crack described in claim any one of 1-4, which is characterized in that alkyd resin is compound
Object is prepared using following technique：Flyash, alkyd resin to be stirred, ethanol solution stirring is added, heating stirring is filtered, washing,
It calcines under nitrogen protection, cooling, crushing obtains alkyd resin compound.
6. waterborne epoxy coatings not easy to crack according to claim 5, which is characterized in that the preparation of alkyd resin compound
In technique, flyash, alkyd resin are stirred into 1-3h, whipping temp is 60-80 DEG C.
7. according to waterborne epoxy coatings not easy to crack described in claim 5 or 6, which is characterized in that alkyd resin compound
In preparation process, after ethanol solution stirring is added, it is warming up to 110-120 DEG C of stirring 2-5h.
8. according to waterborne epoxy coatings not easy to crack described in claim any one of 5-7, which is characterized in that alkyd resin is compound
In the preparation process of object, 10-20min is calcined under nitrogen protection, and calcination temperature is 1000-1200 DEG C.
9. according to waterborne epoxy coatings not easy to crack described in claim any one of 5-8, which is characterized in that alkyd resin is compound
In the preparation process of object, flyash, alkyd resin, ethanol solution weight ratio be 15-24：2-10：100-140, ethanol solution
A concentration of 50-70wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810294279.7A CN108587392A (en) | 2018-03-30 | 2018-03-30 | A kind of waterborne epoxy coatings not easy to crack |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810294279.7A CN108587392A (en) | 2018-03-30 | 2018-03-30 | A kind of waterborne epoxy coatings not easy to crack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463978A (en) * | 2020-04-08 | 2020-07-28 | 六安强力电机有限公司 | Motor coil paint dipping method for motor production |
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|---|---|---|---|---|
| CN106010101A (en) * | 2016-06-20 | 2016-10-12 | 安徽开林新材料股份有限公司 | Environment-friendly and waterproof water-borne epoxy coating |
| CN106189827A (en) * | 2016-08-26 | 2016-12-07 | 安徽建邦建材有限公司 | A kind of wear-resisting epoxy coating of insulated wall |
| CN106381006A (en) * | 2016-08-26 | 2017-02-08 | 安徽开林新材料股份有限公司 | Two-component epoxy coating strong in anti-corrosion and adhesive force |
-
2018
- 2018-03-30 CN CN201810294279.7A patent/CN108587392A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010101A (en) * | 2016-06-20 | 2016-10-12 | 安徽开林新材料股份有限公司 | Environment-friendly and waterproof water-borne epoxy coating |
| CN106189827A (en) * | 2016-08-26 | 2016-12-07 | 安徽建邦建材有限公司 | A kind of wear-resisting epoxy coating of insulated wall |
| CN106381006A (en) * | 2016-08-26 | 2017-02-08 | 安徽开林新材料股份有限公司 | Two-component epoxy coating strong in anti-corrosion and adhesive force |
Non-Patent Citations (1)
| Title |
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| 王福元等: "《粉煤灰利用手册 第二版》", 31 October 2004, 中国电力出版社 * |
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| CN111463978A (en) * | 2020-04-08 | 2020-07-28 | 六安强力电机有限公司 | Motor coil paint dipping method for motor production |
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