CN111489894A - Solid-state aluminum electrolytic capacitor with good heat dissipation performance and preparation method thereof - Google Patents
Solid-state aluminum electrolytic capacitor with good heat dissipation performance and preparation method thereof Download PDFInfo
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- CN111489894A CN111489894A CN202010264110.4A CN202010264110A CN111489894A CN 111489894 A CN111489894 A CN 111489894A CN 202010264110 A CN202010264110 A CN 202010264110A CN 111489894 A CN111489894 A CN 111489894A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 45
- 239000003990 capacitor Substances 0.000 title claims abstract description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title description 8
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 60
- 239000011888 foil Substances 0.000 claims description 22
- 239000004745 nonwoven fabric Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 13
- 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 claims description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000001723 curing Methods 0.000 claims description 10
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229920000307 polymer substrate Polymers 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000281 calcium bentonite Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- JJKMIZGENPMJRC-UHFFFAOYSA-N 3-oxo-3-propan-2-yloxypropanoic acid Chemical compound CC(C)OC(=O)CC(O)=O JJKMIZGENPMJRC-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
- H01G9/151—Solid electrolytic capacitors with wound foil electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
- H01G9/153—Skin fibre
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The utility model provides a solid-state aluminum electrolytic capacitor that heat dispersion is good, includes shell, core package and rubber buffer, and the core package passes through the sealed setting of rubber buffer in the shell, is provided with a plurality of louvres on the shell, is formed with waterproof ventilated membrane on the inner wall of shell or installs waterproof ventilated membrane on the inner wall of shell trompil. In the invention, the holes are formed in the shell, so that heat generated by the core cladding in the shell can be directly dissipated through the heat dissipation holes, and the heat dissipation of the capacitor is accelerated; and the waterproof ventilated membrane can play the effect of keeping apart and dustproof to play the effect of protection core package.
Description
Technical Field
The invention relates to an aluminum electrolytic capacitor, in particular to a solid aluminum electrolytic capacitor with good heat dissipation performance and a preparation method thereof.
Background
The capacitor can generate certain heat due to the existence of ripple current and the loss of the capacitor inside, the heat is accumulated together to increase the temperature of the capacitor, so that the service life of the capacitor is influenced, and the capacitor can be directly scrapped or even exploded in severe cases.
There are two solutions to solve the above problems, one is to reduce the internal resistance of the capacitor and reduce the heat generation; the other is to radiate the heat generated by the capacitor into the air as quickly as possible; for example, patent No. 201811242926.6, a capacitor case with a heat sink; however, the inside of the patent still radiates heat through the housing, and does not directly radiate the heat inside the housing, so that the heat radiation efficiency of the capacitor is not high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an aluminum electrolytic capacitor with high heat dissipation efficiency and a preparation method thereof.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a solid-state aluminum electrolytic capacitor that heat dispersion is good, includes shell, core package and rubber buffer, the core package passes through the sealed setting of rubber buffer in the shell, be provided with a plurality of louvres on the shell, be formed with waterproof ventilated membrane on the inner wall of shell or install waterproof ventilated membrane on the inner wall of shell trompil.
Preferably, the heat dissipation holes are arranged in the longitudinal direction of the housing, and the heat dissipation holes are circular or long.
In the solid aluminum electrolytic capacitor with good heat dissipation performance, preferably, the diameter of the circular heat dissipation hole is smaller than 1.5 mm; the width of the long-strip-shaped heat dissipation holes is smaller than 1mm, and the length of the heat dissipation holes is smaller than 5 mm.
Preferably, the core package comprises an anode foil, electrolytic paper and a cathode foil, and the anode foil, the electrolytic paper and the cathode foil are wound or folded into the core package; and the anode foil and the cathode foil are respectively and fixedly connected with an anode guide pin and a cathode guide pin.
Preferably, the waterproof breathable film comprises a waterproof layer, a breathable layer and a substrate layer, the substrate layer is bonded with the waterproof layer through the breathable layer,
a preparation method of a solid-state aluminum electrolytic capacitor with good heat dissipation performance comprises the following steps:
1) cutting a heat dissipation hole on a shell of the capacitor in a laser cutting mode, and attaching a circle of heat dissipation hole on the outer surface of the shell;
2) the waterproof breathable film is formed in the shell or directly attached to the inner wall of the heat dissipation through hole, so that the through hole is completely blocked by the waterproof breathable film;
①, uniformly coating a substrate layer on the inner wall of the shell, wherein the substrate layer comprises a polymer substrate film, and the polymer substrate film is a PET film;
②, forming a breathable layer on the base material layer, a, uniformly grinding fast calcium carbonate or bentonite into powder, adding deionized water into calcium carbonate powder, stirring at high speed, standing, drying and dehydrating to obtain filling powder, b, crushing polyether-ether-ketone, adding the filling powder and an auxiliary agent, mixing, melting, pulling out, cooling and crushing to form a matrix, c, mixing the matrix with polyether ester, adding the auxiliary agent, heating, melting and stirring uniformly, extruding and uniformly coating on the base material layer to form the breathable layer;
③ attaching the waterproof non-woven fabric to the surface of the air permeable layer to form a waterproof layer;
3) winding or folding the anode foil, the electrolytic paper and the cathode foil into a core package;
4) assembling, sealing and sleeving.
In the preparation method of the solid aluminum electrolytic capacitor with good heat dissipation performance, preferably, the waterproof surface can be further coated with a coating layer; and a flame retardant is added into the coating layer, and the flame retardant comprises organic phosphate and talcum powder which are mixed according to the mass ratio of 2: 1.
In the preparation method of the solid aluminum electrolytic capacitor with good heat dissipation performance, preferably, the coating layer is formed by curing epoxy acrylate, the epoxy acrylate and the flame retardant are mixed before curing, the initiator is added, the mixture is uniformly coated on the waterproof layer, and then curing is performed; the weight portion of the epoxy acrylate is 35-50 parts, and the weight portion of the flame retardant is 5-8 parts.
Compared with the prior art, the invention has the advantages that: in the invention, the holes are formed in the shell, so that heat generated by the core cladding in the shell can be directly dissipated through the heat dissipation holes, and the heat dissipation of the capacitor is accelerated; and the waterproof ventilated membrane can play the effect of keeping apart and dustproof to play the effect of protection core package.
Drawings
Fig. 1 is a schematic structural diagram of a method for manufacturing a solid-state aluminum electrolytic capacitor with good heat dissipation performance in example 1.
Fig. 2 is a schematic sectional view of the housing in embodiment 1.
FIG. 3 is a schematic view of the structure of the waterproof breathable film in example 1.
Description of the figures
1. A housing; 2. heat dissipation holes; 3. an anode guide pin; 4. a cathode guide pin; 5. a waterproof breathable film; 51. a waterproof layer; 52. a breathable layer; 53. a substrate layer; 54. and (5) coating the layer.
Detailed Description
In order to facilitate an understanding of the present invention, the present invention will be described more fully and in detail with reference to the preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.
It should be particularly noted that when an element is referred to as being "fixed to, connected to or communicated with" another element, it can be directly fixed to, connected to or communicated with the other element or indirectly fixed to, connected to or communicated with the other element through other intermediate connecting components.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 and 2, the solid-state aluminum electrolytic capacitor with good heat dissipation performance comprises a housing 1, a core package and a rubber plug, wherein the core package is hermetically arranged in the housing 1 through the rubber plug, 6 heat dissipation holes 2 are formed in the housing 1, and a waterproof breathable film 5 is formed on the inner wall of the housing 1. The heat dissipation holes 2 are arranged in the longitudinal direction of the housing 1, and the heat dissipation holes 2 are long. In other embodiments, the existing waterproof breathable film can be directly attached to the inner wall of the opening of the shell and fixed, so that the through hole is completely blocked by the waterproof breathable film; the heat that the core package produced like this can be timely distribute away through waterproof ventilated membrane, but in external dust can not enter into the shell, waterproof ventilated membrane makes and keeps apart core package and shell and play the effect of protection core package.
In the present embodiment, the width of the heat dissipation hole 2 is 0.8mm, and the length is 4 mm. As shown in fig. 3, the waterproof breathable film 5 includes a waterproof layer 51, a breathable layer 52, and a substrate layer 53, and the substrate layer 53 is bonded to the waterproof layer 51 through the breathable layer 52.
In this embodiment, the core pack comprises an anode foil, an electrolytic paper and a cathode foil, which are wound or folded into the core pack; an anode guide pin 3 and a cathode guide pin 4 are respectively and fixedly connected on the anode foil and the cathode foil. In this embodiment, the core includes an electrolyte solution impregnated thereon.
The embodiment also provides a preparation method of the solid-state aluminum electrolytic capacitor with good heat dissipation performance, which comprises the following steps:
1) cutting a heat dissipation hole on a shell of the capacitor in a laser cutting mode, and attaching a circle of heat dissipation hole on the outer surface of the shell;
2) forming a waterproof breathable film;
①, uniformly coating a substrate layer on the inner wall of the shell, wherein the substrate layer comprises a polymer substrate film, and the polymer substrate film is a PET film;
②, forming a breathable layer on the base material layer, a, uniformly grinding fast calcium carbonate or bentonite into powder, adding deionized water into calcium carbonate powder, stirring at high speed, standing, drying and dehydrating to obtain filling powder, b, crushing polyether-ether-ketone, adding the filling powder and an auxiliary agent, mixing, melting, pulling out, cooling and crushing to form a matrix, c, mixing the matrix with polyether ester, adding the auxiliary agent, heating, melting and stirring uniformly, extruding and uniformly coating on the base material layer to form the breathable layer 52;
③ the waterproof layer 51 is formed by adhering the waterproof non-woven fabric to the surface of the air permeable layer, and then a layer of air permeable layer is coated on the waterproof non-woven fabric to make the waterproof non-woven fabric only adhere to the air permeable layer.
When the waterproof non-woven fabric is tightly attached to the surface of the air-permeable layer, activation treatment can be firstly carried out, the cut waterproof non-woven fabric is immersed into acetone, water bath heating is carried out for 70 ℃, condensation reflux is carried out for more than 2 hours, the waterproof non-woven fabric is taken out and then cleaned by deionized water, and the waterproof non-woven fabric is placed in a vacuum drying oven for drying, wherein the drying temperature is 90-100 ℃. Immersing the treated waterproof non-woven fabric in an isopropyl malonate/ethanol solution (1.5g/100ml) at the temperature of 30-40 ℃ for more than 1-3 hours, taking out, cleaning with deionized water, and drying at the temperature of 100 ℃ to complete the activation of the waterproof non-woven fabric. The activated waterproof non-woven fabric can be combined with the breathable layer more tightly, and the mutual combination strength is enhanced, so that the waterproof non-woven fabric can be tightly attached to the breathable layer when the shell receives external stress;
3) coating a layer of paint 54 on the surface of the waterproof layer;
4) winding or folding the anode foil, the electrolytic paper and the cathode foil into a core package;
5) assembling, sealing and sleeving. In this embodiment, the thickness of the waterproof and breathable film formed on the inner wall of the case is about 0.5 mm.
In the embodiment, a flame retardant is added in the coating layer 54, and the flame retardant comprises organic phosphate and talcum powder which are mixed according to the mass ratio of 2: 1.
In this embodiment, the coating layer 54 is formed by curing epoxy acrylate, the epoxy acrylate and the flame retardant are mixed before curing, the initiator is added, the mixture is uniformly coated on the waterproof layer, and then curing is performed, and during curing, either thermal curing or photo-curing is performed; the weight portion of the epoxy acrylate is 40 portions, and the portion of the flame retardant is 5 portions. In this embodiment, the setting of dope layer can play the effect of fixed waterproof non-woven fabrics, thereby keeps apart the direct function of corroding waterproof non-woven fabrics and ventilative layer of electrolyte and destroying waterproof ventilated membrane simultaneously.
In the embodiment, the holes are formed in the shell, so that heat generated by the core cladding in the shell can be directly dissipated through the heat dissipation holes, and the heat dissipation of the capacitor is accelerated; and the waterproof ventilated membrane can play the effect of keeping apart and dustproof to play the effect of protection core package.
Claims (8)
1. A solid-state aluminum electrolytic capacitor with good heat dispersion performance is characterized in that: including shell, core package and rubber buffer, the core package passes through the sealed setting of rubber buffer in the shell, be provided with a plurality of louvres on the shell, be formed with waterproof ventilated membrane on the inner wall of shell or install waterproof ventilated membrane on the inner wall of shell trompil.
2. The solid-state aluminum electrolytic capacitor with good heat dissipation performance according to claim 1, characterized in that: the heat dissipation holes are arranged in the longitudinal direction of the shell and are circular or long-strip-shaped.
3. The solid-state aluminum electrolytic capacitor with good heat dissipation performance according to claim 2, characterized in that: the diameter of the circular heat dissipation hole is smaller than 1.5 mm; the width of the long-strip-shaped heat dissipation holes is smaller than 1mm, and the length of the heat dissipation holes is smaller than 5 mm.
4. The solid-state aluminum electrolytic capacitor with good heat dissipation performance according to any one of claims 1 to 3, characterized in that: the core package comprises anode foil, electrolytic paper and cathode foil, and the anode foil, the electrolytic paper and the cathode foil are wound or folded into the core package; and the anode foil and the cathode foil are respectively and fixedly connected with an anode guide pin and a cathode guide pin.
5. The solid-state aluminum electrolytic capacitor with good heat dissipation performance according to any one of claims 1 to 3, characterized in that: the waterproof breathable film comprises a waterproof layer, a breathable layer and a substrate layer, wherein the substrate layer is bonded with the waterproof layer through the breathable layer.
6. A method for manufacturing a solid-state aluminum electrolytic capacitor with good heat dissipation performance according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
1) forming a heat dissipation through hole on the shell;
2) the waterproof breathable film is formed in the shell or directly attached to the inner wall of the heat dissipation through hole, so that the through hole is completely blocked by the waterproof breathable film;
①, uniformly coating a substrate layer on the inner wall of the shell, wherein the substrate layer comprises a polymer substrate film, and the polymer substrate film is a PET film;
②, forming a breathable layer on the base material layer, a, uniformly grinding fast calcium carbonate or bentonite into powder, adding deionized water into calcium carbonate powder, stirring at high speed, standing, drying and dehydrating to obtain filling powder, b, crushing polyether-ether-ketone, adding the filling powder and an auxiliary agent, mixing, melting, pulling out, cooling and crushing to form a matrix, c, mixing the matrix with polyether ester, adding the auxiliary agent, heating, melting and stirring uniformly, extruding and uniformly coating on the base material layer to form the breathable layer;
③ attaching the waterproof non-woven fabric to the surface of the air permeable layer to form a waterproof layer;
3) winding or folding the anode foil, the electrolytic paper and the cathode foil into a core package;
4) assembling, sealing and sleeving.
7. The method for manufacturing a solid aluminum electrolytic capacitor with good heat dissipation performance according to claim 6, characterized in that: the waterproof surface can be coated with a layer of coating layer; and a flame retardant is added into the coating layer, and the flame retardant comprises organic phosphate and talcum powder which are mixed according to the mass ratio of 2: 1.
8. The method for manufacturing a solid aluminum electrolytic capacitor with good heat dissipation performance according to claim 6, characterized in that: the coating layer is formed by curing epoxy acrylate, the epoxy acrylate and a flame retardant are mixed before curing, an initiator is added, the mixture is uniformly coated on the waterproof layer, and then curing is carried out; the weight portion of the epoxy acrylate is 35-50 parts, and the weight portion of the flame retardant is 5-8 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010264110.4A CN111489894A (en) | 2020-04-07 | 2020-04-07 | Solid-state aluminum electrolytic capacitor with good heat dissipation performance and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010264110.4A CN111489894A (en) | 2020-04-07 | 2020-04-07 | Solid-state aluminum electrolytic capacitor with good heat dissipation performance and preparation method thereof |
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| CN111489894A true CN111489894A (en) | 2020-08-04 |
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| CN202010264110.4A Pending CN111489894A (en) | 2020-04-07 | 2020-04-07 | Solid-state aluminum electrolytic capacitor with good heat dissipation performance and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220984A (en) * | 2022-02-21 | 2022-03-22 | 长沙理工大学 | SPEEK/modified bentonite composite ion exchange membrane and preparation method thereof |
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| US20080294220A1 (en) * | 2006-04-03 | 2008-11-27 | Greatbatch Ltd. | Feedthrough filter terminal assemblies with breathable components to facilitate leak testing |
| CN203325712U (en) * | 2013-05-07 | 2013-12-04 | 常州市深绿电子有限公司 | Heat-dissipation capacitor |
| CN205452043U (en) * | 2016-03-25 | 2016-08-10 | 湖南工学院 | Quick radiating safety condenser |
| CN107081947A (en) * | 2017-06-02 | 2017-08-22 | 安徽瑞联节能科技有限公司 | A kind of waterproof ventilated membrane |
| CN107097487A (en) * | 2017-03-24 | 2017-08-29 | 江苏科德宝建筑节能科技有限公司 | A kind of fire-resistant waterproof ventilation film |
-
2020
- 2020-04-07 CN CN202010264110.4A patent/CN111489894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080294220A1 (en) * | 2006-04-03 | 2008-11-27 | Greatbatch Ltd. | Feedthrough filter terminal assemblies with breathable components to facilitate leak testing |
| CN203325712U (en) * | 2013-05-07 | 2013-12-04 | 常州市深绿电子有限公司 | Heat-dissipation capacitor |
| CN205452043U (en) * | 2016-03-25 | 2016-08-10 | 湖南工学院 | Quick radiating safety condenser |
| CN107097487A (en) * | 2017-03-24 | 2017-08-29 | 江苏科德宝建筑节能科技有限公司 | A kind of fire-resistant waterproof ventilation film |
| CN107081947A (en) * | 2017-06-02 | 2017-08-22 | 安徽瑞联节能科技有限公司 | A kind of waterproof ventilated membrane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220984A (en) * | 2022-02-21 | 2022-03-22 | 长沙理工大学 | SPEEK/modified bentonite composite ion exchange membrane and preparation method thereof |
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