CN107267020A - Coating for capacitor shell and preparation method - Google Patents
Coating for capacitor shell and preparation method Download PDFInfo
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- CN107267020A CN107267020A CN201710615959.XA CN201710615959A CN107267020A CN 107267020 A CN107267020 A CN 107267020A CN 201710615959 A CN201710615959 A CN 201710615959A CN 107267020 A CN107267020 A CN 107267020A
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- capacitor case
- graphene
- coating
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- 239000011248 coating agent Substances 0.000 title claims abstract description 55
- 238000000576 coating method Methods 0.000 title claims abstract description 55
- 239000003990 capacitor Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 46
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 36
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 21
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 21
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 21
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 20
- 229960000892 attapulgite Drugs 0.000 claims abstract description 17
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 17
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 16
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 16
- 239000005011 phenolic resin Substances 0.000 claims abstract description 16
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 16
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 239000013530 defoamer Substances 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 239000007795 chemical reaction product Substances 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 4
- 239000000347 magnesium hydroxide Substances 0.000 claims description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 4
- 229910052882 wollastonite Inorganic materials 0.000 claims description 4
- 239000010456 wollastonite Substances 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims 1
- 150000001408 amides Chemical class 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 2
- 230000003712 anti-aging effect Effects 0.000 abstract description 2
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000006011 modification reaction Methods 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 235000011201 Ginkgo Nutrition 0.000 description 1
- 235000008100 Ginkgo biloba Nutrition 0.000 description 1
- 244000194101 Ginkgo biloba Species 0.000 description 1
- 206010063493 Premature ageing Diseases 0.000 description 1
- 208000032038 Premature aging Diseases 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/24—Homopolymers or copolymers of amides or imides
- C09D133/26—Homopolymers or copolymers of acrylamide or methacrylamide
-
- 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
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a coating for a capacitor shell and a preparation method thereof, wherein the coating comprises the following components: phenolic resin, polyacrylamide, polyvinyl alcohol, graphene, nano silicon dioxide, nano aluminum oxide, barium sulfate, slaked lime, attapulgite, a defoaming agent, a filler and a flame retardant. The preparation method comprises the following steps: firstly, carrying out modification reaction on phenolic resin, polyacrylamide, polyvinyl alcohol and graphene, and then uniformly mixing with the rest components to obtain the coating. The coating disclosed by the invention is applied to a capacitor shell, has a good heat dissipation effect, has good anti-stripping and anti-aging performances, and greatly prolongs the service life of the coating.
Description
Technical field
The present invention relates to electric appliance paint technical field, in particular it relates to a kind of capacitor case coating and preparation method.
Background technology
In social fast-developing so that various electric equipment products are all towards miniaturization, lightweight, densification and efficient
Change direction to develop, therefore the also more and more higher of the requirement to capacitor.Fast development is obtained with high-power electronic product, and by
This substantial amounts of heat produced does not distribute space and will directly affect the job stability of electronic product, processing safety and make
With the life-span, the conventional type of cooling can not meet the cooling requirements of high power electronic product, meanwhile, capacitor product makes
Heat energy can be produced in purposes, if heat energy can not You Xiao Xie Decision or diffusion, capacitor can heat the premature aging life-span with temperature,
Because temperature changes under long-term work, it will also result in that electronic components power supply is unstable, cause certain harm.In addition, capacitor
Product can produce heat energy and electromagnetic radiation in using way, accelerate the aging of its film to aluminium shell of capacitor coating, reduce film
Life-span, aluminium shell of capacitor is because without coating protective, can also reduce working life.
Therefore, research and development are a kind of has preferably radiating, the capacitor case coating of ageing resistace, with preferable
Application value, also comply with existing market requirement.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of capacitor case coating and preparation side
Method, the coating is applied in capacitor case, not only with preferable radiating effect, also with preferable anti-strip, anti-ageing
Change performance, substantially prolongs the service life of coating.
The present invention solves technical problem and adopted the following technical scheme that：
The present invention relates to a kind of capacitor case coating, include each component of following parts by weight：It is 13 ~ 19 parts of phenolic resin, poly-
22 ~ 30 parts of acrylamide, 15 ~ 20 parts of polyvinyl alcohol, 0.5 ~ 1.9 part of graphene, 7 ~ 15 parts of nano silicon, nano aluminium oxide
5 ~ 9 parts, 12 ~ 18 parts of barium sulfate, 15 ~ 22 parts of calcium hydroxide, 1.5 ~ 4 parts of attapulgite, 3 ~ 6 parts of defoamer, 13 ~ 21 parts of filler, resistance
Fire 3 ~ 9 parts of agent.
Preferably, 16 parts of the phenolic resin, 25 parts of polyacrylamide, 18 parts of polyvinyl alcohol, 1.5 parts of graphene, nano-silica
10 parts of SiClx, 8 parts of nano aluminium oxide, 15 parts of barium sulfate, 20 parts of calcium hydroxide, 2.9 parts of attapulgite, 5 parts of defoamer, filler 17
Part, 6 parts of fire retardant.
Preferably, the filler is any of white carbon, kaolin, wollastonite.
Preferably, the fire retardant is magnesium hydroxide or aluminium hydroxide.
The invention further relates to a kind of method for preparing capacitor case coating, comprise the following steps：
（1）Phenolic resin, polyacrylamide, polyvinyl alcohol are weighed respectively according to proportioning to be placed in reactor, the stirring 20 that adds water ~
30min, the graphene of proportional quantity is added into mixture, 70 ~ 80 DEG C are warming up to, 2 ~ 3h of stirring reaction obtains reaction product a1；
（2）It is mixed that nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide, defoamer and reaction product a1 are weighed according to proportioning
Close uniform, be subsequently placed in cutter and shear scattered 20 ~ 30min, obtain mixture a2；
（3）Attapulgite, filler and the fire retardant of proportional quantity are added into mixture a2, stirs, is subsequently placed in super
10 ~ 20min of ultrasonic disperse under the conditions of sound wave, produces the coating.
Preferably, the step（1）In the quality that adds water be 15 ~ 20 times of total polymer mass.
Preferably, the step（1）The middle mode for adding graphene is to be added in the form of graphene aqueous solution, wherein stone
Black aqueous solution concentration is 0.2 ~ 0.5g/L.
Preferably, the step（2）Middle nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide are mixed with product a1
It is ground processing to it first before so that the particle diameter of each component is 150 ~ 200 mesh.
Preferably, the step（2）The shear rate of middle cutter is 1000 ~ 2000 turns/min.
Compared with prior art, the present invention has following beneficial effect：
（1）Capacitor case coating of the present invention, applied in capacitor case, not only with preferable radiating effect
Really, the service life of coating also is substantially prolongs with preferable anti-strip, ageing resistace, is that the long-acting of capacitor uses
There is provided safety guarantee.
（2）Graphene is added with capacitor case coating of the present invention, due to the mechanical property that graphene is excellent
Energy, environmental stability and preferable electromagnetic shielding action so that the polymer coating after graphene modification has preferably resistance to
Scraping, the mechanical property of anti-strip, preferable environmental stability and preferable effectiveness, greatly reduce ginkgo seeds
Speed, guarantee is provided for long-acting use of film.
（3）Attapulgite is added with capacitor case coating of the present invention, because attapulgite has preferably
Suspension, levelability and thickening property, and hence it is also possible to instead of original suspending agent, thickener and stabilizer, greatly reduce
Consumption of raw materials and cost of material, moreover it is possible to effectively improve the adhesive property of coating.
（4）Fire retardant is added with capacitor case coating of the present invention, is provided for the flame retardant effect of coating
Ensure, improve the safety in utilization of capacitor.
（5）Capacitor case of the present invention is simple and convenient to operate with the preparation method of coating, and process conditions are gentle,
It is adapted to industrialization promotion production.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention.
Embodiment 1：
The present embodiment is related to a kind of capacitor case coating and preparation method；
The coating is prepared from by following component：
16 parts of phenolic resin, 25 parts of polyacrylamide, 18 parts of polyvinyl alcohol, 1.5 parts of graphene, 10 parts of nano silicon, receive
8 parts of aluminum oxide of rice, 15 parts of barium sulfate, 20 parts of calcium hydroxide, 2.9 parts of attapulgite, 5 parts of defoamer, 17 parts of filler, 6 parts of fire retardant.
The filler is white carbon.
The fire retardant is magnesium hydroxide.
The method that the present invention prepares capacitor case coating, comprises the following steps：
（1）Phenolic resin, polyacrylamide, polyvinyl alcohol are weighed respectively according to proportioning to be placed in reactor, add water stirring
30min, the graphene of proportional quantity is added into mixture, 80 DEG C are warming up to, stirring reaction 2h obtains reaction product a1；
（2）It is mixed that nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide, defoamer and reaction product a1 are weighed according to proportioning
Close uniform, be subsequently placed in cutter and shear scattered 20min, obtain mixture a2；
（3）Attapulgite, filler and the fire retardant of proportional quantity are added into mixture a2, stirs, is subsequently placed in super
Ultrasonic disperse 20min under the conditions of sound wave, produces the coating.
Step（1）In the quality that adds water be 18 times of total polymer mass.
Step（1）The middle mode for adding graphene is to be added in the form of graphene aqueous solution, wherein graphene aqueous solution
Concentration is 0.4g/L.
Step（2）Middle nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide are right first before being mixed with product a1
It is ground processing so that the particle diameter of each component is 150 mesh.
Step（2）The shear rate of middle cutter is 2000 turns/min.
Embodiment 2：
The present embodiment is related to a kind of capacitor case coating and preparation method；
The coating is prepared from by following component：
13 parts of phenolic resin, 22 parts of polyacrylamide, 15 parts of polyvinyl alcohol, 0.5 part of graphene, nano silicon 7 part, nanometer
5 parts of aluminum oxide, 12 parts of barium sulfate, 15 parts of calcium hydroxide, 1.5 parts of attapulgite, 3 parts of defoamer, 13 parts of filler, 3 parts of fire retardant.
The filler is kaolin.
The fire retardant is magnesium hydroxide.
The method that the present invention prepares capacitor case coating, comprises the following steps：
（1）Phenolic resin, polyacrylamide, polyvinyl alcohol are weighed respectively according to proportioning to be placed in reactor, add water stirring
20min, the graphene of proportional quantity is added into mixture, 70 DEG C are warming up to, stirring reaction 3h obtains reaction product a1；
（2）It is mixed that nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide, defoamer and reaction product a1 are weighed according to proportioning
Close uniform, be subsequently placed in cutter and shear scattered 20min, obtain mixture a2；
（3）Attapulgite, filler and the fire retardant of proportional quantity are added into mixture a2, stirs, is subsequently placed in super
Ultrasonic disperse 10min under the conditions of sound wave, produces the coating.
Step（1）In the quality that adds water be 15 times of total polymer mass.
Step（1）The middle mode for adding graphene is to be added in the form of graphene aqueous solution, wherein graphene aqueous solution
Concentration is 0.2g/L.
Step（2）Middle nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide are right first before being mixed with product a1
It is ground processing so that the particle diameter of each component is 150 mesh.
Step（2）The shear rate of middle cutter is 1000 turns/min.
Embodiment 3：
The present embodiment is related to a kind of capacitor case coating and preparation method；
The coating is prepared from by following component：
19 parts of phenolic resin, 30 parts of polyacrylamide, 20 parts of polyvinyl alcohol, 1.9 parts of graphene, 15 parts of nano silicon, receive
9 parts of aluminum oxide of rice, 18 parts of barium sulfate, 22 parts of calcium hydroxide, 4 parts of attapulgite, 6 parts of defoamer, 21 parts of filler, 9 parts of fire retardant.
The filler is wollastonite.
The fire retardant is aluminium hydroxide.
The method that the present invention prepares capacitor case coating, comprises the following steps：
（1）Phenolic resin, polyacrylamide, polyvinyl alcohol are weighed respectively according to proportioning to be placed in reactor, add water stirring
30min, the graphene of proportional quantity is added into mixture, 80 DEG C are warming up to, stirring reaction 2h obtains reaction product a1；
（2）It is mixed that nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide, defoamer and reaction product a1 are weighed according to proportioning
Close uniform, be subsequently placed in cutter and shear scattered 30min, obtain mixture a2；
（3）Attapulgite, filler and the fire retardant of proportional quantity are added into mixture a2, stirs, is subsequently placed in super
Ultrasonic disperse 20min under the conditions of sound wave, produces the coating.
Step（1）In the quality that adds water be 20 times of total polymer mass.
Step（1）The middle mode for adding graphene is to be added in the form of graphene aqueous solution, wherein graphene aqueous solution
Concentration is 0.5g/L.
Step（2）Middle nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide are right first before being mixed with product a1
It is ground processing so that the particle diameter of each component is 200 mesh.
Step（2）The shear rate of middle cutter is 2000 turns/min.
Embodiment 4：
The present embodiment is related to a kind of capacitor case coating and preparation method；
The coating is prepared from by following component：
15 parts of phenolic resin, 25 parts of polyacrylamide, 16 parts of polyvinyl alcohol, 0.8 part of graphene, 12 parts of nano silicon, receive
8 parts of aluminum oxide of rice, 13 parts of barium sulfate, 20 parts of calcium hydroxide, 2.2 parts of attapulgite, 3 parts of defoamer, 18 parts of filler, 5 parts of fire retardant.
The filler is wollastonite.
The fire retardant is person's aluminium hydroxide.
The method that the present invention prepares capacitor case coating, comprises the following steps：
（1）Phenolic resin, polyacrylamide, polyvinyl alcohol are weighed respectively according to proportioning to be placed in reactor, add water stirring
20min, the graphene of proportional quantity is added into mixture, 80 DEG C are warming up to, stirring reaction 2h obtains reaction product a1；
（2）It is mixed that nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide, defoamer and reaction product a1 are weighed according to proportioning
Close uniform, be subsequently placed in cutter and shear scattered 20min, obtain mixture a2；
（3）Attapulgite, filler and the fire retardant of proportional quantity are added into mixture a2, stirs, is subsequently placed in super
Ultrasonic disperse 20min under the conditions of sound wave, produces the coating.
Step（1）In the quality that adds water be 20 times of total polymer mass.
Step（1）The middle mode for adding graphene is to be added in the form of graphene aqueous solution, wherein graphene aqueous solution
Concentration is 0.3g/L.
Step（2）Middle nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide are right first before being mixed with product a1
It is ground processing so that the particle diameter of each component is 150 mesh.
Step（2）The shear rate of middle cutter is 2000 turns/min.
In summary, capacitor case coating of the present invention, applied in capacitor case, not only with preferable
Radiating effect, also with preferable anti-strip, ageing resistace, substantially prolongs the service life of coating, be capacitor
Long-acting use provides safety guarantee.In addition, described capacitor case is simple and convenient to operate with the preparation method of coating, work
Skill mild condition, is adapted to industrialization promotion production.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (9)
1. a kind of capacitor case coating, it is characterised in that include each component of following parts by weight：13 ~ 19 parts of phenolic resin,
It is 22 ~ 30 parts of polyacrylamide, 15 ~ 20 parts of polyvinyl alcohol, 0.5 ~ 1.9 part of graphene, 7 ~ 15 parts of nano silicon, nano oxidized
5 ~ 9 parts of aluminium, 12 ~ 18 parts of barium sulfate, 15 ~ 22 parts of calcium hydroxide, 1.5 ~ 4 parts of attapulgite, 3 ~ 6 parts of defoamer, 13 ~ 21 parts of filler,
3 ~ 9 parts of fire retardant.
2. capacitor case coating according to claim 1, it is characterised in that 16 parts of the phenolic resin, polypropylene
25 parts of acid amides, 18 parts of polyvinyl alcohol, 1.5 parts of graphene, 10 parts of nano silicon, 8 parts of nano aluminium oxide, 15 parts of barium sulfate,
20 parts of calcium hydroxide, 2.9 parts of attapulgite, 5 parts of defoamer, 17 parts of filler, 6 parts of fire retardant.
3. capacitor case coating according to claim 1, it is characterised in that the filler be white carbon, kaolin,
Any of wollastonite.
4. capacitor case coating according to claim 1, it is characterised in that the fire retardant be magnesium hydroxide or
Aluminium hydroxide.
5. the method that one kind prepares the capacitor case coating as described in any one of claim 1 ~ 4, it is characterised in that including
Following steps：
（1）Phenolic resin, polyacrylamide, polyvinyl alcohol are weighed respectively according to proportioning to be placed in reactor, the stirring 20 that adds water ~
30min, the graphene of proportional quantity is added into mixture, 70 ~ 80 DEG C are warming up to, 2 ~ 3h of stirring reaction obtains reaction product a1；
（2）It is mixed that nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide, defoamer and reaction product a1 are weighed according to proportioning
Close uniform, be subsequently placed in cutter and shear scattered 20 ~ 30min, obtain mixture a2；
（3）Attapulgite, filler and the fire retardant of proportional quantity are added into mixture a2, stirs, is subsequently placed in super
10 ~ 20min of ultrasonic disperse under the conditions of sound wave, produces the coating.
6. the preparation method of capacitor case coating according to claim 5, it is characterised in that the step（1）In
The quality added water is 15 ~ 20 times of total polymer mass.
7. the preparation method of capacitor case coating according to claim 5, it is characterised in that the step（1）In
The mode for adding graphene is to be added in the form of graphene aqueous solution, and wherein graphene aqueous solution concentration is 0.2 ~ 0.5g/L.
8. the preparation method of capacitor case coating according to claim 5, it is characterised in that the step（2）In
Nano silicon, nano aluminium oxide, barium sulfate, calcium hydroxide are ground processing to it first before being mixed with product a1, make
The particle diameter for obtaining each component is 150 ~ 200 mesh.
9. the preparation method of capacitor case coating according to claim 5, it is characterised in that the step（2）In
The shear rate of cutter is 1000 ~ 2000 turns/min.
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| CN201710615959.XA CN107267020A (en) | 2017-07-26 | 2017-07-26 | Coating for capacitor shell and preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928073A (en) * | 2018-05-30 | 2018-12-04 | Oppo（重庆）智能科技有限公司 | Composite board and preparation method thereof, shell and electronic equipment |
| CN109486099A (en) * | 2018-11-27 | 2019-03-19 | 中国民用航空飞行学院 | The preparation method of polyvinyl alcohol functionalization graphene toughened thermosetting phenolic resin |
| CN112980033A (en) * | 2021-02-26 | 2021-06-18 | 菲克光学科技(常州)有限公司 | Long-acting anti-static acrylic plate and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833252A (en) * | 2016-12-05 | 2017-06-13 | 天长市优信电器设备有限公司 | A kind of wear-resistant coating of aluminum charger case |
| CN106883718A (en) * | 2017-04-06 | 2017-06-23 | 合肥欧克斯新型建材有限公司 | A kind of high fire-retardance liquid wallpaper and preparation method |
| CN106967346A (en) * | 2017-03-29 | 2017-07-21 | 合肥天沃能源科技有限公司 | A kind of water proof fire retardant paint for kitchen use and preparation method |
-
2017
- 2017-07-26 CN CN201710615959.XA patent/CN107267020A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833252A (en) * | 2016-12-05 | 2017-06-13 | 天长市优信电器设备有限公司 | A kind of wear-resistant coating of aluminum charger case |
| CN106967346A (en) * | 2017-03-29 | 2017-07-21 | 合肥天沃能源科技有限公司 | A kind of water proof fire retardant paint for kitchen use and preparation method |
| CN106883718A (en) * | 2017-04-06 | 2017-06-23 | 合肥欧克斯新型建材有限公司 | A kind of high fire-retardance liquid wallpaper and preparation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928073A (en) * | 2018-05-30 | 2018-12-04 | Oppo（重庆）智能科技有限公司 | Composite board and preparation method thereof, shell and electronic equipment |
| CN109486099A (en) * | 2018-11-27 | 2019-03-19 | 中国民用航空飞行学院 | The preparation method of polyvinyl alcohol functionalization graphene toughened thermosetting phenolic resin |
| CN112980033A (en) * | 2021-02-26 | 2021-06-18 | 菲克光学科技(常州)有限公司 | Long-acting anti-static acrylic plate and preparation method thereof |
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