CN106957598A - It is a kind of for coatings of transformer and preparation method thereof - Google Patents
It is a kind of for coatings of transformer and preparation method thereof Download PDFInfo
- Publication number
- CN106957598A CN106957598A CN201710181044.2A CN201710181044A CN106957598A CN 106957598 A CN106957598 A CN 106957598A CN 201710181044 A CN201710181044 A CN 201710181044A CN 106957598 A CN106957598 A CN 106957598A
- Authority
- CN
- China
- Prior art keywords
- parts
- transformer
- composition
- preparation
- coatings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/04—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to rubbers
-
- 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
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C09D7/47—Levelling agents
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of for coatings of transformer and preparation method thereof, the coating includes bottom, middle level and top layer, and the bottom includes the composition of following parts by weight:10 20 parts of high-temperature silicon disulfide rubber, 13 parts of polyamide, 0.5 1.8 parts of laurate organic tin catalyst, 0.6 1.5 parts of 2 methyl, 3 butine, 2 alcohol, the middle level includes the composition of following parts by weight:5 10 parts of hydrogenated nitrile-butadiene rubber, 6 12 parts of zinc methacrylate, 0.8 2.2 parts of age resistor, the top layer includes the composition of following parts by weight:35 50 parts of aqueous epoxy resins, 15 25 parts of self repairing agent, 8 17 parts of titanium dioxide, 15 parts of perfluor levelling agent SHYT4320.Each composition safety and environmental protection of the coating, corrosion-resistant, high temperature resistant, anti-aging, self-healing properties are good, and preparation method uses three-layer coating technique so that coating structure is stable, extends the service life of transformer.
Description
Technical field
The present invention relates to transformer coatings art, and in particular to a kind of coatings and its preparation side for transformer
Method.
Background technology
Transformer is also known as instrument transformer, is the general designation of current transformer and voltage transformer.Can by high-voltage variable into
Low-voltage, high current become low current, for measurement or protection system.Transformer can be used to separate high-voltage system, to ensure
The safety of the person and equipment.The outermost cluster parachute of transformer typically uses silastic material.Silicon rubber mutual inductor is using for many years
Afterwards there is material aging, the phenomenon of serious wear in the silastic material on surface, thus cause silicon rubber mutual inductor cluster parachute surface exhausted
The electric physics and chemistry such as the decline of edge resistance, leakage current increase, hydrophobicity decline, the hydraulic performance decline of resistance to pollution flashover, the resistance to hydraulic performance decline that deteriorates
It can reduce, hidden danger is brought to equipment operation and power supply safety.
At present less, application number is studied in the coating on silicon rubber mutual inductor anti-aging, selfreparing
201610817079.6 patent of invention discloses a kind of intelligent anti-corrosion coatings and preparation method thereof, and component includes aqueous
Epoxy resin, curing agent polyamide, intelligent anti-corrosion selfreparing component, rutile titanium white powder, dispersant 5040, thickener SN-636
With levelling agent BYK333.The coatings water resistance is good, and adhesive force is strong, anticorrosive, but ageing resistance is poor.Cause
This, it is necessary to work out that a kind of anti-aging, self-healing properties are good, stable mechanical performance transformer coating extends transformer
Service life.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of coatings for transformer
And preparation method thereof, each composition safety and environmental protection of the coating, corrosion-resistant, high temperature resistant, anti-aging, self-healing properties are good, preparation side
Method uses three-layer coating technique so that coating structure is stable, extends the service life of transformer.
The present invention solves technical problem and adopted the following technical scheme that:
The invention provides a kind of coatings for transformer, including bottom, middle level and top layer, the bottom is included such as
The composition of lower parts by weight:10-20 parts of high-temperature silicon disulfide rubber, 1-3 parts of polyamide, laurate organic tin catalyst 0.5-1.8
Part, 0.6-1.5 parts of 2- methyl -3- butyne-2-alcohols;
The middle level includes the composition of following parts by weight:5-10 parts of hydrogenated nitrile-butadiene rubber, 6-12 parts of zinc methacrylate, age resistor
0.8-2.2 parts;
The top layer includes the composition of following parts by weight:35-50 parts of aqueous epoxy resins, 15-25 parts of self repairing agent, titanium dioxide
8-17 parts, 1-5 parts of perfluor levelling agent SHYT4320.
Preferably, the laurate organic tin catalyst in the bottom composition is TMG 216, TMG 218, TMG 218L
In one kind or any two or more combination.
Preferably, the age resistor in the middle composition of layer be antioxidant 4010, it is age resistor CPPD, antioxidant 4010NA, anti-
One kind or any two or more combination in old agent IPPD.
Preferably, the self repairing agent in the surface layer composition includes the composition of following parts by weight:20-35 parts of glass fibre,
3-9 parts of diatomite, 1-5 parts of makrolon.
The preparation method of the above-mentioned coatings for transformer, comprises the following steps:
(1)The preparation of self repairing agent:Glass fibre is put into crucible, is warming up to 610-620 DEG C of melting, reactor is poured into while hot
In, the diatomite after milling sieves, makrolon are added, is taken out after being stirred 2-3 hours with 1000-1200r/min rotating speeds, respectively
After being washed 2-4 times with deionized water and ethanol, 50-60 DEG C of oven drying is put into 4-5 hours;
(2)The preparation of bottom:High-temperature silicon disulfide rubber was crushed into 200-300 mesh sieves, obtained particle powder and polyamide, the moon
Cinnamic acid organic tin catalyst mixing and stirring, is warming up to 30-40 DEG C, 2- methyl -3- fourths are slowly added dropwise in constant pressure funnel
Continue to react 20-30min after alkynes -2- alcohol, completion of dropping, reactant obtains bottom using screw extruder extrusion;
(3)The preparation in middle level:Hydrogenated nitrile-butadiene rubber crushed 300-400 mesh sieves, obtained particle powder and zinc methacrylate,
Age resistor is mixed, and is warming up to 50-60 DEG C of stirring reaction 1-1.5 hour, and reactant is extruded using screw extruder and obtains middle level;
(4)The preparation on top layer:Self repairing agent high-speed stirred is distributed in deionized water, aqueous epoxy resins, step is added
(1)Obtained self repairing agent, titanium dioxide, perfluor levelling agent SHYT4320, are mixed after 15-20min, are centrifuged, mistake
Leaching filter cake obtains top layer in dry 3-4 hours in 50-60 DEG C;
(5)The preparation of coatings:Obtained bottom, middle level, top layer are coated on transformer successively, after every layer has coated
Need air drying 4-6 hours, after having coated, normally using for transformer can be carried out for 10-12 hours by waiting.
Preferably, the step(1)Diatomite particle diameter after milling sieving is 0.02-0.06mm.
Preferably, the step(2)Middle 2- methyl -3- butyne-2-alcohols are in 20-30min completion of dropping.
Preferably, the step(5)Coatings thickness after coating is 0.6-1.2mm.
Compared with prior art, the present invention has following beneficial effect:
(1)The transformer coating of the present invention includes bottom, middle level and top layer, and bottom includes high-temperature silicon disulfide rubber, polyamide, the moon
Cinnamic acid organic tin catalyst, 2- methyl -3- butyne-2-alcohols, high temperature vulcanized silica gel are to add to mend in heat cure silica gel rubber
The elastomeric compound of strong filler, vulcanizing agent and the mixing of other auxiliary agents, with excellent high-low temperature resistant, anti-aging, electric insulation, hates
The moistureproof performance of water, laurate organic tin catalyst and fixative polyamide, reinforcing agent 2- methyl -3- with reference to weather-stable
Butyne-2-alcohol, improves anticreep, the hydrophobicity performance of transformer;Middle level includes hydrogenated nitrile-butadiene rubber, zinc methacrylate, prevented
Old agent, hydrogenated nitrile-butadiene rubber oil resistant, heat-resisting, corrosion-resistant, bound rubber heat-resistant agent zinc methacrylate, antiaging agent, further
Improve heat-resisting, the anti ageing property of coating;Top layer includes 35-50 parts of aqueous epoxy resins, 15-25 parts of self repairing agent, dioxy
Change 8-17 parts of titanium, 1-5 parts of perfluor levelling agent SHYT4320, the effect of the epoxy resin of weather-stable in renovation agent, levelling agent
Under so that coating more flat smooth, repair ability is greatly improved.
(2)Renovation agent in the transformer coating of the present invention employs the stronger glass fibre of repair ability, with reference to stable
The makrolon of polymerization, the diatomite of strong bond absorption so that coating has certain elasticity and stability.
(3)The preparation method of transformer coating of the present invention uses the method for successively coating bottom, middle level, top layer, entirely
The smooth stabilization of coating structure, it is smooth flexible.
Embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1.
A kind of coatings for transformer, including bottom, middle level and top layer, bottom include the composition of following parts by weight:
10 parts of high-temperature silicon disulfide rubber, kymene part, 216 0.6 parts of laurate organic tin catalyst TMG, 2- methyl -3- butine -
1.0 parts of 2- alcohol;
Middle level includes the composition of following parts by weight:5 parts of hydrogenated nitrile-butadiene rubber, 8 parts of zinc methacrylate, antioxidant 4010 1.2
Part;
Top layer includes the composition of following parts by weight:35 parts of aqueous epoxy resins, 17 parts of self repairing agent, 8 parts of titanium dioxide, perfluor stream
Flat 3 parts of agent SHYT4320;
Self repairing agent includes the composition of following parts by weight:22 parts of glass fibre, 5 parts of diatomite, 1 part of makrolon.
The preparation method of the above-mentioned coatings for transformer, comprises the following steps:
(1)The preparation of self repairing agent:Glass fibre is put into crucible, is warming up to 610-620 DEG C of melting, reactor is poured into while hot
In, the diatomite after milling sieves, makrolon are added, is taken out after being stirred 2-3 hours with 1000-1200r/min rotating speeds, respectively
After being washed 2-4 times with deionized water and ethanol, 50-60 DEG C of oven drying is put into 4-5 hours;
(2)The preparation of bottom:High-temperature silicon disulfide rubber was crushed into 200-300 mesh sieves, obtained particle powder and polyamide, the moon
Cinnamic acid organic tin catalyst mixing and stirring, is warming up to 30-40 DEG C, 2- methyl -3- fourths are slowly added dropwise in constant pressure funnel
Continue to react 20-30min after alkynes -2- alcohol, completion of dropping, reactant obtains bottom using screw extruder extrusion;
(3)The preparation in middle level:Hydrogenated nitrile-butadiene rubber crushed 300-400 mesh sieves, obtained particle powder and zinc methacrylate,
Age resistor is mixed, and is warming up to 50-60 DEG C of stirring reaction 1-1.5 hour, and reactant is extruded using screw extruder and obtains middle level;
(4)The preparation on top layer:Self repairing agent high-speed stirred is distributed in deionized water, aqueous epoxy resins, step is added
(1)Obtained self repairing agent, titanium dioxide, perfluor levelling agent SHYT4320, are mixed after 15-20min, are centrifuged, mistake
Leaching filter cake obtains top layer in dry 3-4 hours in 50-60 DEG C;
(5)The preparation of coatings:Obtained bottom, middle level, top layer are coated on transformer successively, after every layer has coated
Need air drying 4-6 hours, after having coated, normally using for transformer can be carried out for 10-12 hours by waiting.Wherein, step(1)Mill
Diatomite particle diameter after powder sieving is 0.02-0.06mm, step(2)Middle 2- methyl -3- butyne-2-alcohols are dripped in 20-30min
Finish, step(5)Coatings thickness after coating is 0.6-1.2mm.
Embodiment 2.
A kind of coatings for transformer, including bottom, middle level and top layer, bottom include the composition of following parts by weight:
12 parts of high-temperature silicon disulfide rubber, 2 parts of polyamide, 218 1.0 parts of laurate organic tin catalyst TMG, 2- methyl -3- butine -
0.8 part of 2- alcohol;
Middle level includes the composition of following parts by weight:8 parts of hydrogenated nitrile-butadiene rubber, 7 parts of zinc methacrylate, age resistor CPPD 1.5
Part;
Top layer includes the composition of following parts by weight:40 parts of aqueous epoxy resins, 20 parts of self repairing agent, 12 parts of titanium dioxide, perfluor
2 parts of levelling agent SHYT4320;
Self repairing agent includes the composition of following parts by weight:26 parts of glass fibre, 6 parts of diatomite, 3 parts of makrolon.
The preparation method of the present embodiment is same as Example 1.
Embodiment 3.
A kind of coatings for transformer, including bottom, middle level and top layer, bottom include the composition of following parts by weight:
15 parts of high-temperature silicon disulfide rubber, kymene part, 216 1.5 parts of laurate organic tin catalyst TMG, 2- methyl -3- butine -
0.9 part of 2- alcohol;
Middle level includes the composition of following parts by weight:8 parts of hydrogenated nitrile-butadiene rubber, 9 parts of zinc methacrylate, antioxidant 4010NA 1.8
Part;
Top layer includes the composition of following parts by weight:48 parts of aqueous epoxy resins, 20 parts of self repairing agent, 15 parts of titanium dioxide, perfluor
3 parts of levelling agent SHYT4320;
Self repairing agent includes the composition of following parts by weight:28 parts of glass fibre, 7 parts of diatomite, 2 parts of makrolon.
The preparation method of the present embodiment is same as Example 1.
Embodiment 4.
A kind of coatings for transformer, including bottom, middle level and top layer, bottom include the composition of following parts by weight:
16 parts of high-temperature silicon disulfide rubber, 1 part of polyamide, 218 1.8 parts of laurate organic tin catalyst TMG, 2- methyl -3- butine -
1.2 parts of 2- alcohol;
Middle level includes the composition of following parts by weight:8 parts of hydrogenated nitrile-butadiene rubber, 10 parts of zinc methacrylate, antioxidant 4010 2.0
Part;
Top layer includes the composition of following parts by weight:48 parts of aqueous epoxy resins, 15 parts of self repairing agent, 16 parts of titanium dioxide, perfluor
2 parts of levelling agent SHYT4320;
Self repairing agent includes the composition of following parts by weight:30 parts of glass fibre, 7 parts of diatomite, 4 parts of makrolon.
The preparation method of the present embodiment is same as Example 1.
Embodiment 5.
A kind of coatings for transformer, including bottom, middle level and top layer, bottom include the composition of following parts by weight:
18 parts of high-temperature silicon disulfide rubber, kymene part, 1.6 parts of laurate organic tin catalyst TMG 218L, 2- methyl -3- fourths
1.3 parts of alkynes -2- alcohol;
Middle level includes the composition of following parts by weight:8 parts of hydrogenated nitrile-butadiene rubber, 10 parts of zinc methacrylate, antioxidant 4010NA
1.8 parts;
Top layer includes the composition of following parts by weight:42 parts of aqueous epoxy resins, 23 parts of self repairing agent, 12 parts of titanium dioxide, perfluor
4 parts of levelling agent SHYT4320;
Self repairing agent includes the composition of following parts by weight:35 parts of glass fibre, 8 parts of diatomite, 4 parts of makrolon.
Embodiment 6.
A kind of coatings for transformer, including bottom, middle level and top layer, bottom include the composition of following parts by weight:
20 parts of high-temperature silicon disulfide rubber, kymene part, 1.8 parts of laurate organic tin catalyst, 2- methyl -3- butyne-2-alcohols 1.5
Part;
Middle level includes the composition of following parts by weight:10 parts of hydrogenated nitrile-butadiene rubber, 10 parts of zinc methacrylate, age resistor age resistor
2.2 parts of IPPD;
Top layer includes the composition of following parts by weight:50 parts of aqueous epoxy resins, 22 parts of self repairing agent, 15 parts of titanium dioxide, perfluor
5 parts of levelling agent SHYT4320;
Self repairing agent includes the composition of following parts by weight:32 parts of glass fibre, 9 parts of diatomite, 5 parts of makrolon.
The preparation method of the present embodiment is same as Example 1.
Embodiment 7.
Above-described embodiment 1-6 coatings prepared have been carried out with water resistance, impact resistance, the test of decay resistance, it is real
Test result as shown in the table
Embodiment | Water resistance(≥ d) | Impact resistance(kg/cm) | Corrosion-resistant grade |
1 | 32 | 58 | 10 |
2 | 30 | 56 | 10 |
3 | 30 | 54 | 10 |
4 | 29 | 52 | 9 |
5 | 28 | 52 | 9 |
6 | 26 | 46 | 9 |
Embodiment 1-6 coatings after testing, with good hydrophobicity, impact resistance and corrosion resistance, are suitable as
For the coatings of transformer.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of coatings for transformer, including bottom, middle level and top layer, it is characterised in that the bottom includes
The composition of following parts by weight:10-20 parts of high-temperature silicon disulfide rubber, 1-3 parts of polyamide, laurate organic tin catalyst 0.5-
1.8 parts, 0.6-1.5 parts of 2- methyl -3- butyne-2-alcohols;
The middle level includes the composition of following parts by weight:5-10 parts of hydrogenated nitrile-butadiene rubber, 6-12 parts of zinc methacrylate, age resistor
0.8-2.2 parts;
The top layer includes the composition of following parts by weight:35-50 parts of aqueous epoxy resins, 15-25 parts of self repairing agent, titanium dioxide
8-17 parts, 1-5 parts of perfluor levelling agent SHYT4320.
2. the coatings according to claim 1 for transformer, it is characterised in that the moon in the bottom composition
Cinnamic acid organic tin catalyst is TMG 216, TMG 218, one kind in TMG 218L or any two or more combination.
3. the coatings according to claim 1 for transformer, it is characterised in that anti-in the middle composition of layer
Old agent is antioxidant 4010, age resistor CPPD, antioxidant 4010NA, one kind in age resistor IPPD or any two or more group
Close.
4. the coatings according to claim 1 for transformer, it is characterised in that in the surface layer composition from
Renovation agent includes the composition of following parts by weight:20-35 parts of glass fibre, 3-9 parts of diatomite, 1-5 parts of makrolon.
5. a kind of preparation method of coatings for transformer according to claim 1-4 any one, it is special
Levy and be, comprise the following steps:
(1)The preparation of self repairing agent:Glass fibre is put into crucible, is warming up to 610-620 DEG C of melting, reactor is poured into while hot
In, the diatomite after milling sieves, makrolon are added, is taken out after being stirred 2-3 hours with 1000-1200r/min rotating speeds, respectively
After being washed 2-4 times with deionized water and ethanol, 50-60 DEG C of oven drying is put into 4-5 hours;
(2)The preparation of bottom:High-temperature silicon disulfide rubber was crushed into 200-300 mesh sieves, obtained particle powder and polyamide, the moon
Cinnamic acid organic tin catalyst mixing and stirring, is warming up to 30-40 DEG C, 2- methyl -3- fourths are slowly added dropwise in constant pressure funnel
Continue to react 20-30min after alkynes -2- alcohol, completion of dropping, reactant obtains bottom using screw extruder extrusion;
(3)The preparation in middle level:Hydrogenated nitrile-butadiene rubber crushed 300-400 mesh sieves, obtained particle powder and zinc methacrylate,
Age resistor is mixed, and is warming up to 50-60 DEG C of stirring reaction 1-1.5 hour, and reactant is extruded using screw extruder and obtains middle level;
(4)The preparation on top layer:Self repairing agent high-speed stirred is distributed in deionized water, aqueous epoxy resins, step is added
(1)Obtained self repairing agent, titanium dioxide, perfluor levelling agent SHYT4320, are mixed after 15-20min, are centrifuged, mistake
Leaching filter cake obtains top layer in dry 3-4 hours in 50-60 DEG C;
(5)The preparation of coatings:Obtained bottom, middle level, top layer are coated on transformer successively, after every layer has coated
Need air drying 4-6 hours, after having coated, normally using for transformer can be carried out for 10-12 hours by waiting.
6. the preparation method of the coatings according to claim 5 for transformer, it is characterised in that the step
(1)Diatomite particle diameter after milling sieving is 0.02-0.06mm.
7. the preparation method of the coatings according to claim 5 for transformer, it is characterised in that the step
(2)Middle 2- methyl -3- butyne-2-alcohols are in 20-30min completion of dropping.
8. the preparation method of the coatings according to claim 5 for transformer, it is characterised in that the step
(5)Coatings thickness after coating is 0.6-1.2mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710181044.2A CN106957598A (en) | 2017-03-24 | 2017-03-24 | It is a kind of for coatings of transformer and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710181044.2A CN106957598A (en) | 2017-03-24 | 2017-03-24 | It is a kind of for coatings of transformer and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106957598A true CN106957598A (en) | 2017-07-18 |
Family
ID=59471457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710181044.2A Withdrawn CN106957598A (en) | 2017-03-24 | 2017-03-24 | It is a kind of for coatings of transformer and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106957598A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107446455A (en) * | 2017-07-26 | 2017-12-08 | 合肥尚强电气科技有限公司 | Inverter coating and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101804716A (en) * | 2010-03-26 | 2010-08-18 | 长沙学院 | organic composite coating for impeller |
WO2013095144A1 (en) * | 2011-12-23 | 2013-06-27 | Frans Nooren Afdichtingssystemen B.V. | Composition for the application of a protective layer to a substrate and method for the application thereof |
CN103265883A (en) * | 2013-05-15 | 2013-08-28 | 广东电网公司东莞供电局 | Repairing coating and method of silicone rubber mutual inductor |
CN105038923A (en) * | 2015-06-28 | 2015-11-11 | 青岛文晟汽车零部件有限公司 | Highly-efficient metal wear self-repairing material |
-
2017
- 2017-03-24 CN CN201710181044.2A patent/CN106957598A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101804716A (en) * | 2010-03-26 | 2010-08-18 | 长沙学院 | organic composite coating for impeller |
WO2013095144A1 (en) * | 2011-12-23 | 2013-06-27 | Frans Nooren Afdichtingssystemen B.V. | Composition for the application of a protective layer to a substrate and method for the application thereof |
CN103265883A (en) * | 2013-05-15 | 2013-08-28 | 广东电网公司东莞供电局 | Repairing coating and method of silicone rubber mutual inductor |
CN105038923A (en) * | 2015-06-28 | 2015-11-11 | 青岛文晟汽车零部件有限公司 | Highly-efficient metal wear self-repairing material |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107446455A (en) * | 2017-07-26 | 2017-12-08 | 合肥尚强电气科技有限公司 | Inverter coating and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107868567B (en) | Epoxy zinc powder primer, paint matching composition and application | |
CN100368479C (en) | Liquid silicon rubber sizing, liquid silicon rubber material and their preparation method | |
CN101121820A (en) | Halogen-free anti-flaming silicon rubber and its preparing method and use | |
CN112375454A (en) | Insulating powder coating and preparation method thereof | |
KR20130038277A (en) | Substantially defect-free sound and vibration dampning coating | |
CN104356407A (en) | Method for preventing packing in rubber blend from migration | |
CN106957598A (en) | It is a kind of for coatings of transformer and preparation method thereof | |
CN113278398B (en) | Composite insulator repairing adhesive and preparation method thereof | |
CN114933854A (en) | Light high-thixotropic single-component insulating paint | |
CN113736402A (en) | Environment-friendly abrasion-resistant anti-degradation epoxy resin daub and preparation method thereof | |
CN110760238B (en) | Powder coating and preparation method thereof | |
CN112194981A (en) | Low-temperature reaction type high-temperature-resistant coating and preparation method thereof | |
CN111777910A (en) | Water-based graphite allyl acid-polysiloxane coating and preparation method thereof | |
CN115746672B (en) | Amorphous dip-coating insulating powder coating and preparation method thereof | |
CN109439095B (en) | Weather-resistant antibacterial powder coating and preparation method thereof | |
CN111320909A (en) | Locomotive anti-skid coating and preparation method thereof | |
CN111234769A (en) | Spray-type silicone sealant | |
CN114525070B (en) | Deep-dull outdoor polyester resin powder coating and preparation method thereof | |
CN107189131B (en) | Rubber composition, preparation method and its product of a kind of total wind hose internal layer of railway for braided steel wire structure | |
CN115160668A (en) | Anti-aging rubber sealing ring and preparation method and application thereof | |
WO2020223994A1 (en) | Oleophobic self-cleaning dustproof insulating coating and manufacturing method therefor | |
CN113698897B (en) | Modified butyl rubber composition, modified butyl rubber and preparation method and application thereof | |
CN107142007A (en) | A kind of impact-resistant coating and its preparation technology for diel | |
CN102010634A (en) | Anti-corrosive touch-up paint for automobile frame | |
CN109627973A (en) | A kind of explosion-proof damage coatings of insulator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170718 |
|
WW01 | Invention patent application withdrawn after publication |