CN105503260A - Preparing method of antifouling coating of porcelain insulator - Google Patents
Preparing method of antifouling coating of porcelain insulator Download PDFInfo
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- CN105503260A CN105503260A CN201610001607.0A CN201610001607A CN105503260A CN 105503260 A CN105503260 A CN 105503260A CN 201610001607 A CN201610001607 A CN 201610001607A CN 105503260 A CN105503260 A CN 105503260A
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- porcelain
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- 239000012212 insulator Substances 0.000 title claims abstract description 85
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 82
- 239000011248 coating agent Substances 0.000 title claims abstract description 38
- 238000000576 coating method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 239000000839 emulsion Substances 0.000 claims abstract description 21
- 239000000049 pigment Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000008018 melting Effects 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 229920000642 polymer Polymers 0.000 claims description 27
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 24
- 230000002209 hydrophobic effect Effects 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 12
- 238000004381 surface treatment Methods 0.000 claims description 11
- 229920000715 Mucilage Polymers 0.000 claims description 10
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000004108 freeze drying Methods 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 229920001002 functional polymer Polymers 0.000 claims description 7
- 238000009775 high-speed stirring Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 229910052793 cadmium Inorganic materials 0.000 claims description 4
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 1
- 239000003973 paint Substances 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/4849—Sulfur-containing polymers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/82—Coating or impregnation with organic materials
- C04B41/83—Macromolecular compounds
-
- 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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- 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
- C09D181/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
- C09D181/02—Polythioethers; Polythioether-ethers
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/04—Treating the surfaces, e.g. applying coatings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/90—Electrical properties
- C04B2111/92—Electrically insulating materials
-
- 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
Abstract
The invention relates to a preparing method of an antifouling coating of a porcelain insulator. The preparing method comprises a first preparing scheme and a second preparing scheme. The first preparing scheme comprises the steps that firstly, paint-level PPS resin is added into DMF, and the mixture is stirred at a high speed to be prepared into PPS suspension liquid with the concentration ranging from 25% to 55%; secondly, the PPS suspension liquid is added into PTFE emulsion, and a ground melting agent, a ground flattening agent and ground high-temperature resisting pigment are added into the mixed liquid; thirdly, the mixed materials are mixed and dispersed in a high-speed dispersing machine for 10-50 min and then put in a room with the temperature lower than or equal to 25 DEG C for standing for 12 h or above. The preparing method has the advantages that the pollution flashover and ice coating phenomena of a transmission and transformation circuit are effectively reduced; the self-cleaning effect of the insulator is enhanced, the replacement construction cycle is shortened, and the replacement labor cost is reduced.
Description
Technical field
The present invention relates to a kind of in power system, particularly high force feed power transformation use in the prevention and controls of power transformation circuit porcelain insulator pollution flashover, be specifically related to a kind of preparation method of porcelain insulator antifouling coating, belong to chemical field.
Background technology
Give in power system, power transformation circuit, particularly high force feed, insulator in power transformation circuit as the carrying load of circuit and the major parts of insulation, be give, indispensable parts in power transformation circuit.
At present giving, the porcelain insulator of the current version of applying in power transformation circuit and kind due to the relation of its porcelain piece surface polarity, therefore there is certain wetting ability, and the adsorptivity to dust.In humidity, the water molecules in thunderstorm season air can gather at insulator surface, forms a kind of moisture film of conduction, causes power transmission sequence to produce pollution flashover trip accident, and direct impact is sent, the safe operation of power transformation circuit.Particularly with coastland air through moisture in containing salt fog, when salt fog condenses into salt solution at insulator surface, because salt solution is sticky deposited in insulator surface, cause give, power transformation electric line generation pollution flashover causes light then scaling loss insulator, heavy then burn wire and cause power failure.In addition, in the last few years in a lot of area of China due to the reason of the objective factor of weather and other environment, season is replaced and Winter-Spring replaces the weather having sleet season and replace in the autumn and winter, because the polarity of insulator surface is stronger, sleet is alternately sticky deposited in insulator surface, causes the insulator chain of power transmission sequence to freeze, forms waving of wire under large wind action, increase give, the load of power transformation circuit, to produce but the Serious Accident of the power failure of falling tower of area also happens occasionally.Further, insulator surface is sticky deposited at some dust large environment dust such as (as mining area, motorway is along the line, near cement mill region).Must the cleaning of timing (general high-tension line wants the spring every year, all will have a power failure two seasons in autumn to carry out cleaning work to the insulator of circuit, to ensure to send, the safe operation of power transformation circuit.The area large at above-mentioned dust almost will once be cleaned for every 1-2 months.）
For this reason, how providing the peripheral coating of insulator that a kind of hydrophobic nature is strong, surface polarity is weak, dust is not easy to adhere to, is the purpose that the present invention studies.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of preparation method of porcelain insulator antifouling coating, solving the problem that porcelain insulator surface polarity is comparatively large, have wetting ability and dust accumulation, reaching the effect of porcelain insulator anti-fouling and self-cleaning.
For solving prior art problem, the technical solution adopted in the present invention is surperficial after carrying out activation treatment to its surface in the porcelain piece of existing porcelain insulator, have hydrophobic on its surface-coated surface, hate the performed polymer coating of the high molecule alloy material of grey performance, the preparation of described alloy performed polymer coating comprises:
Method one: 1. coating level PPS resin joins in DMF by step, making concentration through high-speed stirring is 25-55%PPS suspension; 2. PPS suspended emulsion joins in PTFE emulsion by step, adds and become agent, flow agent and high-temperature resisting pigment through melting of grinding in mixed solution; Step 3. mixed material blending dispersion in high speed dispersor was placed on after 10 to 50 minutes stationary indoors more than 12 hours both can, described room temp is not higher than 25 degree;
Method two: mixed solution being adjusted to pH value with acetic acid after silane coupling agent KH560 mixes with deionized water and dehydrated alcohol by steps A is after 4.5 ~ 6, stir 10 ~ 45 minutes under 38 ~ 42 degree, add the silicon sol reaction of 2 times of water yields after 40 ~ 80 minutes, with acetic acid adjustment pH value 4.5 ~ 6 after adding DMF more slowly added PTFE emulsion in 20 ~ 30 minutes after, react under 38 ~ 42 degree after 2 ~ 5 hours, placing under room temperature 25 ~ 40 degree of conditions and being placed on temperature after 18 ~ 30 hours is lyophilization in subzero 10 ~ 25 degree, again by dry under 30 ~ 70 degree for the solids obtained after lyophilization, finally dried material is carried out under cryogenic being crushed to more than 150 orders,
Coating level PPS resin joins in DMF by step B, and making concentration through high-speed stirring is 25-55%PPS suspension;
The suspended emulsion of steps A products therefrom and step B and melting become agent, after flow agent, high-temperature resisting pigment mixing stir with 1000 revs/min of speed, grind 2 times in three-roll grinder after, both can after adding DMF butanol mixed liquid adjustment viscosity.
Further: in described method one, described PPS emulsion and PTFE emulsion blending ratio are 1 ~ 3:1; Described change agent of melting gets 5 ~ 10 grams; Described flow agent gets 2 ~ 5 grams; Described high-temperature resisting pigment gets 60 ~ 100 grams.
Further: in described method two steps A, described silane coupling agent KH560 mixes in 1:10:5 ratio with deionized water and dehydrated alcohol; Described PTFE add-on is silicon sol isodose; Described DMF add-on is silane coupling agent KH560 doubling dose.
Further: in described method two, described steps A product and step B product and melting becomes agent, flow agent, high-temperature resisting pigment blending ratio are 100:60 ~ 100:1:3 ~ 8:5 ~ 12; Described butanols is propyl carbinol or isopropylcarbinol.
Further: in described method one and method two, described high-temperature resisting pigment as required, selects cadmium red or the chromoxide green of heatproof more than 400 degree.
The amendment of this part is see the content of claims.
The invention has the beneficial effects as follows: the generation effectively decreasing pollution flashover and the icing phenomenon sending power transformation circuit; Enhance the self-stip effect of insulator; Decrease construction period and the hand labor cost of replacing.
Embodiment
Below in conjunction with following examples, the present invention is further analyzed.
As follows described in specific embodiments:
(1) select the porcelain insulator porcelain piece (preferentially selecting the porcelain piece of new kiln discharge) of appropriate size to be cleaned by porcelain insulator porcelain piece clear water, remove the dust of insulator surface, greasy dirt and dirty.
(2) the insulator porcelain piece of having cleared up to be put in frosted liquid into (adopt market on sale) to invade bubble and remove from frosted liquid after 2-5 minutes, rinse with clear water.
(3) the insulator porcelain piece after surface treatment is dried at 30-60 degree temperature.
Insulator porcelain piece is before carrying out the coating of high polymer alloy performed polymer, surface treatment must be carried out to insulator porcelain piece, form good diffusion layer on insulator porcelain piece surface during to ensure that high polymer alloy performed polymer is polymerized, guarantee the bonding strength of high polymer alloy coating and porcelain insulator surface.In the present invention, the surface treatment of insulator porcelain piece adopts infusion method to carry out surface treatment: glass frosting powder is mixed with frosted liquid, after certain hour (as 3-4 minutes) in insulator porcelain piece immersion frosted liquid, be put into after washing down insulator surface with water after controlling clean frosted liquid above plastic plate, insulator porcelain piece is carried out drying.
(4) there is hydrophobic, hate the preparation of the performed polymer of grey high molecule alloy material to comprise following two schemes:
Method one: 1. coating level PPS resin joins in DMF by step, making concentration through high-speed stirring is 25-55%PPS suspension; 2. PPS suspended emulsion joins in PTFE emulsion by step, blending ratio is 1 ~ 3:1, add in mixed solution and become agent 5 ~ 10 grams, flow agent 2 ~ 5 grams and high-temperature resisting pigment (cadmium red or the chromoxide green of heatproof more than 400 degree as required, can be selected) 60 ~ 100 grams through melting of grinding; Step 3. mixed material blending dispersion in high speed dispersor was placed on after 10 to 50 minutes stationary indoors more than 12 hours both can, described room temp is not higher than 25 degree;
Method two: mixed solution being adjusted to pH value with acetic acid after silane coupling agent KH560 mixes by 1:10:5 with deionized water and dehydrated alcohol by steps A is after 4.5 ~ 6, stir 10 ~ 45 minutes under 38 ~ 42 degree, add the silicon sol reaction of 2 times of water yields after 40 ~ 80 minutes, slowly added in 20 ~ 30 minutes with the PTFE emulsion of silicon sol equivalent after add again with the DMF of silane coupling agent KH560 doubling dose after adjust pH value 4.5 ~ 6 with acetic acid, react under 38 ~ 42 degree after 2 ~ 5 hours, placing under room temperature 25 ~ 40 degree of conditions and being placed on temperature after 18 ~ 30 hours is lyophilization in subzero 10 ~ 25 degree, again by dry under 30 ~ 70 degree for the solids obtained after lyophilization, finally dried material is carried out under cryogenic being crushed to more than 150 orders,
Coating level PPS resin joins in DMF by step B, and making concentration through high-speed stirring is 25-55%PPS suspension;
By the suspended emulsion of steps A products therefrom and step B and melt and become agent, flow agent, high-temperature resisting pigment (as required, cadmium red or the chromoxide green of heatproof more than 400 degree can be selected) with after stirring with 1000 revs/min of speed after 100:60 ~ 100:1:3 ~ 8:5 ~ 12 ratio mixing, grind 2 times in three-roll grinder after, both can after adding DMF propyl carbinol or isopropylcarbinol mixed solution adjustment viscosity.
(5) will there is hydrophobic, hate grey polymer performed polymer to adopt the method for spraying to be coated to through surface treatment and the surface of the porcelain insulator porcelain piece after drying; Spraying has hydrophobic, hates the porcelain insulator of grey polymer performed polymer antifouling coating to carry out drying at the temperature of 40-60 degree, and time of drying is 10-20 minutes, is then warmed to 100-130 degree dry, after being dried to coat surface drying.
Porcelain insulator porcelain piece after surface treatment preferably applied hydrophobic in 4 hours, hated grey functional polymer alloy performed polymer.If the porcelain piece after surface treatment in atmosphere storage period long, porcelain piece surface can be made to lose or reduce activity, affect hydrophobic, hate grey functional polymer alloy layer in the surface diffusion of porcelain insulator porcelain piece, reduce bonding strength, porcelain insulator surface coating hydrophobic, hate grey functional polymer alloy performed polymer time, showering, dip-coating and spraying can be adopted.Coating hydrophobic, when hating grey functional polymer alloy performed polymer, the coat wet-film thickness on porcelain piece surface should reach more than 0.5 millimeter.
(6) insulator porcelain piece spraying being had antifouling coating puts polymerization furnace into, controls stove heat-up rate at 2C
o/ min is heated to 270C
obe incubated after 10-15 minutes and continue to control rate of warming at 1C
o/ min, is heated to 360 degree-370 degree, is incubated after 20 minutes and opens fire door control cooling rate 5-8C
o/ min cools to 100C
oafter come out of the stove, mucilage binding.
(7) mucilage binding of porcelain composite self-cleaning insulator: plated surface hydrophobic, hate the porcelain piece of grey functional polymer alloy to carry out mucilage binding by insulator cementing method.
To sum up, the present invention adopts on the porcelain piece surface of existing porcelain insulator after carrying out activation treatment to its surface, there is hydrophobic on porcelain insulator porcelain piece surface-coated surface, hate the performed polymer antifouling coating of the high molecule alloy material of grey performance, porcelain piece after coating antifouling coating, through super-dry, high temperature polymerization commissure is formed on insulator porcelain piece surface has hydrophobic, hates grey high polymer alloy deposited plating layer.In the insulator porcelain piece with antifouling coating through the metalwork of mucilage binding insulator and tensile test, electric property makes the self-cleaning insulator with antifouling coating after the assay was approved.
The present invention be applied in give, particularly high pressure and extra high voltage line effectively can reduce the generation of pollution flashover and the icing phenomenon sending power transformation circuit to power transformation circuit; The area larger at dust can effectively prevent dust accumulation at insulator surface, that really accomplishes insulator exempts from cleaning (generally insulator will carry out twice cleaning every year, in the larger area of dust as mine, cement mill, circuit each season degree of adjoining motorway will clean);
Porcelain composite self-cleaning insulator adopts the structure link metalwork of general porcelain insulator, therefore has interchangeability with porcelain insulator and composite insulator.Decrease the construction period of replacing.
Be described in detail the technical scheme that the application provides above, apply embodiment herein and set forth the principle of the application and embodiment, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (8)
1. a preparation method for porcelain insulator, is characterized in that, comprises the following steps:
(1) select the porcelain insulator porcelain piece of appropriate size, porcelain insulator porcelain piece clear water is cleaned, remove the dust of insulator surface, greasy dirt and dirty;
(2) the insulator porcelain piece of having cleared up is put in frosted liquid, soak and take out from frosted liquid after 2-5 minute, rinse with clear water;
(3) the insulator porcelain piece after surface treatment is dried at 30-60 degree temperature;
(4) preparation has hydrophobic, hates the performed polymer of grey high molecule alloy material:
Step is 1.: join in DMF by coating level PPS resin, and through stirring, to make concentration be 25-55%PPS suspension;
Step is 2.: join in PTFE emulsion by PPS suspended emulsion, blending ratio is 1 ~ 3:1, adds and become agent 5 ~ 10 grams, flow agent 2 ~ 5 grams and high-temperature resisting pigment 60 ~ 100 grams through melting of grinding in mixed solution; 3. mixed material blending dispersion in high speed dispersor is placed on stationary indoors more than 12 hours by step after 10 to 50 minutes;
(5) will there is hydrophobic, hate grey polymer performed polymer to adopt the method for spraying to be coated to through surface treatment and the surface of the porcelain insulator porcelain piece after drying; Spraying has hydrophobic, hates the porcelain insulator of grey polymer performed polymer antifouling coating to carry out drying at the temperature of 40-60 degree, and time of drying is 10-20 minutes, is then warmed to 100-130 degree dry, after being dried to coat surface drying;
(6) insulator porcelain piece spraying being had antifouling coating puts polymerization furnace into, controls stove heat-up rate at 2C
o/ min is heated to 270C
obe incubated after 10-15 minutes and continue to control rate of warming at 1C
o/ min, is heated to 360 degree-370 degree, is incubated after 20 minutes and opens fire door control cooling rate 5-8C
o/ min cools to 100C
oafter come out of the stove, mucilage binding;
(7) mucilage binding of porcelain composite self-cleaning insulator: plated surface hydrophobic, hate the porcelain piece of grey functional polymer alloy to carry out mucilage binding by insulator cementing method.
2. a preparation method for porcelain insulator, is characterized in that, comprises the following steps:
(1) select the porcelain insulator porcelain piece of appropriate size, porcelain insulator porcelain piece clear water is cleaned, remove the dust of insulator surface, greasy dirt and dirty;
(2) the insulator porcelain piece of having cleared up is put in frosted liquid, soak and take out from frosted liquid after 2-5 minute, rinse with clear water;
(3) the insulator porcelain piece after surface treatment is dried at 30-60 degree temperature;
(4) preparation has hydrophobic, hates the performed polymer of grey high molecule alloy material:
Steps A: mixed solution being adjusted to pH value with acetic acid after being mixed by 1:10:5 with deionized water and dehydrated alcohol by silane coupling agent KH560 is after 4.5 ~ 6, stir 10 ~ 45 minutes under 38 ~ 42 degree, add the silicon sol reaction of 2 times of water yields after 40 ~ 80 minutes, slowly added in 20 ~ 30 minutes with the PTFE emulsion of silicon sol equivalent after add again with the DMF of silane coupling agent KH560 doubling dose after adjust pH value 4.5 ~ 6 with acetic acid, react under 38 ~ 42 degree after 2 ~ 5 hours, placing under room temperature 25 ~ 40 degree of conditions and being placed on temperature after 18 ~ 30 hours is lyophilization in subzero 10 ~ 25 degree, again by dry under 30 ~ 70 degree for the solids obtained after lyophilization, finally dried material is carried out under cryogenic being crushed to more than 150 orders,
Step B: coating level PPS resin is joined in DMF, making concentration through high-speed stirring is 25-55%PPS suspension;
Step C: the suspended emulsion of steps A products therefrom and step B and melting is become agent, flow agent, high-temperature resisting pigment with after stirring with 1000 revs/min of speed after 100:60 ~ 100:1:3 ~ 8:5 ~ 12 ratio mixing, in shredder after grinding, add DMF propyl carbinol or isopropylcarbinol mixed solution adjustment viscosity;
(5) will there is hydrophobic, hate grey polymer performed polymer to adopt the method for spraying to be coated to through surface treatment and the surface of the porcelain insulator porcelain piece after drying; Spraying has hydrophobic, hates the porcelain insulator of grey polymer performed polymer antifouling coating to carry out drying at the temperature of 40-60 degree, and time of drying is 10-20 minutes, is then warmed to 100-130 degree dry, after being dried to coat surface drying;
(6) insulator porcelain piece spraying being had antifouling coating puts polymerization furnace into, controls stove heat-up rate at 2C
o/ min is heated to 270C
obe incubated after 10-15 minutes and continue to control rate of warming at 1C
o/ min, is heated to 360 degree-370 degree, is incubated after 20 minutes and opens fire door control cooling rate 5-8C
o/ min cools to 100C
oafter come out of the stove, mucilage binding;
(7) mucilage binding of porcelain composite self-cleaning insulator: plated surface hydrophobic, hate the porcelain piece of grey functional polymer alloy to carry out mucilage binding by insulator cementing method.
3. a preparation method for porcelain insulator antifouling coating, is characterized in that, comprises the following steps:
1. coating level PPS resin joins in DMF by step, and making concentration through high-speed stirring is 25-55%PPS suspension;
2. PPS suspended emulsion joins in PTFE emulsion by step, adds and become agent, flow agent and high-temperature resisting pigment through melting of grinding in mixed solution;
Step 3. mixed material blending dispersion in high speed dispersor was placed on after 10 to 50 minutes stationary indoors more than 12 hours both can, described room temp is not higher than 25 degree.
4. a preparation method for porcelain insulator antifouling coating, is characterized in that, comprises the following steps:
Steps A: mixed solution being adjusted to pH value with acetic acid after being mixed with deionized water and dehydrated alcohol by silane coupling agent KH560 is after 4.5 ~ 6, stir 10 ~ 45 minutes under 38 ~ 42 degree, add the silicon sol reaction of 2 times of water yields after 40 ~ 80 minutes, with acetic acid adjustment pH value 4.5 ~ 6 after adding DMF more slowly added PTFE emulsion in 20 ~ 30 minutes after, react under 38 ~ 42 degree after 2 ~ 5 hours, placing under room temperature 25 ~ 40 degree of conditions and being placed on temperature after 18 ~ 30 hours is lyophilization in subzero 10 ~ 25 degree, again by dry under 30 ~ 70 degree for the solids obtained after lyophilization, finally dried material is carried out under cryogenic being crushed to more than 150 orders,
Step B: coating level PPS resin is joined in DMF, making concentration through high-speed stirring is 25-55%PPS suspension;
Step C: the suspended emulsion of steps A products therefrom and step B and melting become agent, after flow agent, high-temperature resisting pigment mixing stir with 1000 revs/min of speed, grind 2 times in three-roll grinder after, both can after adding DMF butanol mixed liquid adjustment viscosity.
5. the preparation method of a kind of porcelain insulator antifouling coating according to claim 3 or 4, is characterized in that: in described method one, and described PPS emulsion and PTFE emulsion blending ratio are 1 ~ 3:1; Described change agent of melting gets 5 ~ 10 grams; Described flow agent gets 2 ~ 5 grams; Described high-temperature resisting pigment gets 60 ~ 100 grams.
6. the preparation method of a kind of porcelain insulator antifouling coating according to claim 3 or 4, is characterized in that: in described method two steps A, and described silane coupling agent KH560 mixes in 1:10:5 ratio with deionized water and dehydrated alcohol; Described PTFE add-on is silicon sol isodose; Described DMF add-on is silane coupling agent KH560 doubling dose.
7. the preparation method of a kind of porcelain insulator antifouling coating according to claim 3 or 4, it is characterized in that: in described method two, described steps A product and step B product and melting becomes agent, flow agent, high-temperature resisting pigment blending ratio be 100:60 ~ 100:1:3 ~ 8:5 ~ 12; Described butanols is propyl carbinol or isopropylcarbinol.
8. the preparation method of a kind of porcelain insulator antifouling coating according to claim 3 or 4, is characterized in that: in described method one and method two, and described high-temperature resisting pigment as required, selects cadmium red or the chromoxide green of heatproof more than 400 degree.
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| CN105825981A (en) * | 2016-05-19 | 2016-08-03 | 江苏南瓷绝缘子股份有限公司 | Self-cleaning high-strength bar-shaped porcelain insulator |
| CN105895280A (en) * | 2016-06-17 | 2016-08-24 | 江苏南瓷绝缘子股份有限公司 | Self-cleaning high-strength rod-shaped porcelain insulator |
| CN109746210A (en) * | 2019-03-15 | 2019-05-14 | 国网河南省电力公司南召县供电公司 | A kind of electric insulator cleaning device and clean method |
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| CN105086826A (en) * | 2015-08-13 | 2015-11-25 | 国网山东省电力公司电力科学研究院 | Pollution flashover preventing insulating coating with micro-nano composite particles added and preparing technology |
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| CN103224741A (en) * | 2013-04-03 | 2013-07-31 | 广东电网公司电力科学研究院 | Novel nano TiO2/PTFE hybrid fluorocarbon paint applied for resisting pollution flashover of insulators, and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105825981A (en) * | 2016-05-19 | 2016-08-03 | 江苏南瓷绝缘子股份有限公司 | Self-cleaning high-strength bar-shaped porcelain insulator |
| CN105825981B (en) * | 2016-05-19 | 2017-11-28 | 江苏南瓷绝缘子股份有限公司 | The preparation method of self-clean type high intensity bar-shaped porcelain insulator |
| CN105895280A (en) * | 2016-06-17 | 2016-08-24 | 江苏南瓷绝缘子股份有限公司 | Self-cleaning high-strength rod-shaped porcelain insulator |
| CN109746210A (en) * | 2019-03-15 | 2019-05-14 | 国网河南省电力公司南召县供电公司 | A kind of electric insulator cleaning device and clean method |
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| CN105503260B (en) | 2017-11-07 |
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