CN105931841A - Anti-oxidation capacitor film and preparation method thereof - Google Patents
Anti-oxidation capacitor film and preparation method thereof Download PDFInfo
- Publication number
- CN105931841A CN105931841A CN201610525455.4A CN201610525455A CN105931841A CN 105931841 A CN105931841 A CN 105931841A CN 201610525455 A CN201610525455 A CN 201610525455A CN 105931841 A CN105931841 A CN 105931841A
- Authority
- CN
- China
- Prior art keywords
- capacitor
- film
- antioxidation
- basement membrane
- capacitor film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 71
- 230000003064 anti-oxidating effect Effects 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 68
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 238000000576 coating method Methods 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 25
- 239000011701 zinc Substances 0.000 claims abstract description 25
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 24
- -1 polypropylene Polymers 0.000 claims abstract description 22
- 239000004743 Polypropylene Substances 0.000 claims abstract description 21
- 229920001155 polypropylene Polymers 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000032683 aging Effects 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000009966 trimming Methods 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims description 53
- 210000002469 basement membrane Anatomy 0.000 claims description 47
- 239000010408 film Substances 0.000 claims description 47
- 239000010409 thin film Substances 0.000 claims description 29
- 239000010410 layer Substances 0.000 claims description 17
- 239000011241 protective layer Substances 0.000 claims description 16
- 239000004593 Epoxy Substances 0.000 claims description 14
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 10
- 241000219071 Malvaceae Species 0.000 claims description 10
- 229920002367 Polyisobutene Polymers 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- 239000004115 Sodium Silicate Substances 0.000 claims description 10
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 10
- 238000003483 aging Methods 0.000 claims description 10
- 239000002956 ash Substances 0.000 claims description 10
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 239000004332 silver Substances 0.000 claims description 10
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 10
- 235000012424 soybean oil Nutrition 0.000 claims description 10
- 239000003549 soybean oil Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 229920000459 Nitrile rubber Polymers 0.000 claims description 9
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 239000005543 nano-size silicon particle Substances 0.000 claims description 9
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004642 Polyimide Substances 0.000 claims description 8
- 229920001721 polyimide Polymers 0.000 claims description 8
- 238000002425 crystallisation Methods 0.000 claims description 7
- 230000008025 crystallization Effects 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 5
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 230000007717 exclusion Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Chinese gallotannin Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 108090000371 Esterases Proteins 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000004925 Acrylic resin Substances 0.000 claims 1
- 229920000178 Acrylic resin Polymers 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 230000008602 contraction Effects 0.000 claims 1
- UIUXUFNYAYAMOE-UHFFFAOYSA-N methylsilane Chemical compound [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 2
- 239000002383 tung oil Substances 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 150000008301 phosphite esters Chemical class 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- FJMNNXLGOUYVHO-UHFFFAOYSA-N aluminum zinc Chemical group [Al].[Zn] FJMNNXLGOUYVHO-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003851 corona treatment Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011104 metalized film Substances 0.000 description 2
- 108010051152 Carboxylesterase Proteins 0.000 description 1
- 102000013392 Carboxylesterase Human genes 0.000 description 1
- 101710134985 Esterase-4 Proteins 0.000 description 1
- 101710134988 Esterase-5 Proteins 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000004379 membrane Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/14—Organic dielectrics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention discloses an anti-oxidation capacitor film. The anti-oxidation capacitor film includes a base film and a first aluminum coating, a zinc coating and a second aluminum coating that are sequentially plated on the base film. The second aluminum coating is of a step structure, thereby improving the grade and self-healing effect of a capacitor. The second aluminum coating is provided with a tung oil protection layer, thereby preventing the aluminum coating and the zinc coating from being oxidized by air, improving the anti-oxidation capacity of a metalized capacitor film, and prolonging the service life of the capacitor. The present invention further discloses a preparation method of the anti-oxidation capacitor film. Isotactic polypropylene is used as a main material, additives and other materials are added, the base film is obtained through melt extrusion, blowing and stereotyping, sheet casting, two-way stretching, cooling stereotyping, setting amplitude and trimming, dragging and cutting, winding and two times of aging treatment, and in a vacuum condition, the base film is sequentially plated with the first aluminum coating, the zinc coating, the second aluminum coating and the tung oil protection layer so as to obtain the anti-oxidation capacitor film. The capacitor film prepared by the method has good temperature resistance and anti-oxidation performance.
Description
Technical field
The present invention relates to capacitor metalized thin film technique field, be specifically related to a kind of antioxidation capacitor
Thin film and preparation method thereof.
Background technology
Thin film capacitor is to work as electrode with metal forming, by itself and poly-ethyl ester, polypropylene, polystyrene or
The plastic sheetings such as Merlon, after the overlap of two ends, are wound into the capacitor of the structure of cylindrical shape.Its
Having following key property: nonpolarity, insulation impedance is the highest, and frequency characteristic is excellent, and dielectric loss is very
Little, and volume low capacity is big.Based on above-mentioned advantage, thin film capacitor is widely used in electronics, family
Multiple industries such as electricity, electric power, communication, are electronics and information industry and the requisite base of power industry
These electronic devices and components.Along with the development of information technology, power grid construction, electric railway construction, energy-conservation
Illumination, hybrid vehicle and the upgrading of household electrical appliance, before the market development of thin film capacitor
Scape will be more wide.
The electrode of thin film capacitor has metal place formula and metal film type two kinds, uses metal film type electrode fabrication
Capacitor become metallic film capacitor.Existing metallic film capacitor thin film is aluminum
Zinc composition metal thin film, because it has the self-healing feature of uniqueness, it is possible to increase metallized film capacitor
The proof voltage ability of device, extends the service life of metallic film capacitor, is widely used in manufacture all kinds of
Electric power compensation with or motor starting AC capacitor and DC filter capacitors.But, metallize zinc
Coating puts forth effort extreme difference in answering of film surface, and the most easily oxidation formation has fluff structure
Zinc oxide, be easily caused capacitor generation breakdown accident.Therefore, compound in the urgent need to improving aluminum zinc
Metallized film, improves its non-oxidizability, thus improves the security reliability of thin film capacitor, extends
The service life of thin film capacitor.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of antioxidation capacitor film, including base
Film and be plated on described epilamellar first aluminium coat, zinc coating and the second aluminium coat successively, described first
Aluminium coat leaves white space with the edge of described basement membrane；It is provided with one layer on described second aluminium coat
Oleum Verniciae fordii protective layer, described Oleum Verniciae fordii protective layer is by described first aluminium coat, described zinc coating and described second
Aluminium coat and air exclusion, described second aluminium coat is hierarchic structure.
Further, described basement membrane is polypropylene capacitor thin film.
Further, the thickness of described basement membrane is 2-5 μm, and width is 300-600mm.
Further, the width of described white space is 1-2mm.
Correspondingly, present invention also offers the preparation method of described antioxidation capacitor film, including with
Lower step:
S1, prepare basement membrane:
S2, under conditions of vacuum pressure is 4 × 10-4mbar, basement membrane plates the first aluminum successively through coater
Coating, zinc coating and the second aluminium coat；
S3, one layer of Oleum Verniciae fordii protective layer is set on the second aluminium coat, obtains antioxidation capacitor film.
Further, in described step S1, the raw material composition weight portion of basement membrane is: isotactic polypropylene
55-65, sodium silicate 1-2, tetramethylsilane 0.2-0.5, metallocene linear-low density polyethylene 10-15,
Polyimides 1-2, metallocene polypropylene resins 12-15, acrylonitrile-butadiene rubber powder 0.8-1.2, calcium zinc stabilizer
2-3, polyisobutylene 2-3, epoxy soybean oil 2-3, esterase 3-5, aluminium hydroxide 1-2, epoxy
Triglyceride 1-1.5, phosphite ester 8-10, barium stearate 2-3, nano silicon 3-5, receive
Rice silver 2-3 and basswood ashes 0.5-0.7.
Further, the preparation of described basement membrane comprises the following steps:
Metallocene linear-low density polyethylene is heated to molten condition, is subsequently adding nanometer silver, butyronitrile
Rubber powder and basswood ashes stir, and add epoxy soybean oil, polyisobutylene and calcium zinc stabilizer,
Stir, cooling, make auxiliary agent；
S12, by isotactic polypropylene, tetramethylsilane, polyimides, sodium silicate and nano silicon
Being placed in reactor and add heat fusing, melt temperature is 95-125 DEG C, and the response time is 2-3 hour, adds
Enter auxiliary agent and remaining raw material is sufficiently stirred for, send into extrusion machine fused mass extrusion, then carry out die head blown film
Sizing, temperature controls, at 230-250 DEG C, to be cooled to solid-state slab through sharp cooling roll；
S13, slab through bi-directional synchronization stretching, cooling and shaping, tentering trimming, traction cutting, rolling,
Ageing Treatment and second time Ageing Treatment obtain basement membrane for the first time.
Further, step S12 sharp cooling roll cooling procedure uses the wind shower device of full-automatic regulation,
Quench roll surface and non-patch roll surface is made to obtain identical crystallization temperature.
Further, step S13 slab carries out bi-directional synchronization stretching with the draw ratio of 30-40 times.
Further, the thickness of the thin film of preparation is 3-6 μm.
Further, described thin film, under conditions of temperature is 115 DEG C-135 DEG C, heats 15-20min,
Laterally percent thermal shrinkage 0.1%-0.2%, longitudinal percent thermal shrinkage 1.5%-2.5%.
Antioxidation capacitor film of the present invention and preparation method thereof, has the advantages that
1, the antioxidation capacitor film of the present invention is deposited with on basement membrane successively has the first aluminium coat, zinc to plate
Layer and the second aluminium coat, the second aluminium coat is provided with one layer of Oleum Verniciae fordii protective layer, and Oleum Verniciae fordii protective layer can
Avoid the first aluminium coat, zinc coating and the second aluminium coat and air contact, prevent aluminum and zinc by air oxygen
Change, thus improve the oxidation resistance of metallized capacitor thin film, it is to avoid thin film capacitor punctures
Accident, extends the service life of capacitor, adds the fastness between each coating, improves electricity
The heat resistance of container.
2, the present invention uses the wind shower device of full-automatic regulation, makes Quench roll surface and non-patch roll surface obtain phase
Same crystallization temperature；The present invention uses bi-directional synchronization pulling method to replace traditional two-step stretch method, makes system
Standby capacitor film dimensionally stable, thickness is homogeneous, surfacing；The present invention is made without surface
Sided corona treatment, substantially increases the cleannes of basement membrane and pressure performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one antioxidation capacitor film.
Wherein: 1-basement membrane, 2-the first aluminium coat, 3-zinc coating, 4-the second aluminium coat, 5-Oleum Verniciae fordii is protected
Layer, 6-white space.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is on the premise of making creative work the every other embodiment obtained, broadly fall into present invention protection
Scope.
Embodiment one:
As it is shown in figure 1, a kind of antioxidation capacitor film, including basement membrane 1 be plated on described base successively
The first aluminium coat 2, zinc coating 3 and the second aluminium coat 4 on film 1, described first aluminium coat 2 and institute
The edge stating basement membrane 1 leaves white space 6；It is provided with one layer of Oleum Verniciae fordii on described second aluminium coat 4 to protect
Sheath 5, described Oleum Verniciae fordii protective layer 5 is by described first aluminium coat 2, described zinc coating 3 and described second
Aluminium coat 4 and air exclusion, described second aluminium coat 4 is hierarchic structure.
In the present embodiment, described basement membrane 1 is polypropylene capacitor thin film.
In the present embodiment, the thickness of described basement membrane 1 is 2 μm, and width is 300mm.
In the present embodiment, the width of described white space 6 is 1mm.
Correspondingly, present invention also offers the preparation method of described antioxidation capacitor film, including with
Lower step:
S1, prepare basement membrane:
S2, it is 4 × 10 at vacuum pressure-4Under conditions of mbar, basement membrane plates the first aluminum successively through coater
Coating, zinc coating and the second aluminium coat；
S3, one layer of Oleum Verniciae fordii protective layer is set on the second aluminium coat, obtains antioxidation capacitor film.
In the present embodiment, in described step S1, the raw material composition weight of basement membrane is: isotactic polypropylene 55
Part, sodium silicate 1 part, tetramethylsilane 0.2 part, metallocene linear-low density polyethylene 10 parts, poly-
Acid imide 1 part, metallocene polypropylene resins 12 parts, acrylonitrile-butadiene rubber powder 0.8 part, calcium zinc stabilizer 2
Part, polyisobutylene 2 parts, epoxy soybean oil 2 parts, esterase 3 parts, aluminium hydroxide 1 part,
Epoxy glycerite three acid esters 1 part, phosphite ester 8 parts, barium stearate 2 parts, nano silicon 3 parts,
Nanometer silver 2 parts and 0.5 part of basswood ashes.
In the present embodiment, the preparation of described basement membrane comprises the following steps:
S11, metallocene linear-low density polyethylene is heated to molten condition, be subsequently adding nanometer silver,
Acrylonitrile-butadiene rubber powder and basswood ashes stir, and add epoxy soybean oil, polyisobutylene and calcium zinc steady
Determine agent, stir, cooling, make auxiliary agent；
S12, by isotactic polypropylene, tetramethylsilane, polyimides, sodium silicate and nano silicon
Being placed in reactor and add heat fusing, melt temperature is 95 DEG C, and the response time is 3 hours, adds auxiliary agent
And remaining raw material is sufficiently stirred for, sends into extrusion machine fused mass extrusion, then carry out die head blown film sizing,
Temperature controls, at 230 DEG C, to be cooled to solid-state slab through sharp cooling roll；
S13, slab through bi-directional synchronization stretching, cooling and shaping, tentering trimming, traction cutting, rolling,
Ageing Treatment and second time Ageing Treatment obtain basement membrane for the first time.
In the present embodiment, the wind using full-automatic regulation in step S12 sharp cooling roll cooling procedure drenches dress
Put, make Quench roll surface and non-patch roll surface obtain identical crystallization temperature.
In the present embodiment, step S13 slab carries out bi-directional synchronization stretching with the draw ratio of 30 times.
In the present embodiment, the thickness of the thin film of preparation is 3 μm.
In the present embodiment, described thin film, under conditions of temperature is 115 DEG C, heats 15min, laterally
Percent thermal shrinkage is 0.1%, and longitudinal percent thermal shrinkage is 1.5%.
Embodiment two:
A kind of antioxidation capacitor film, including basement membrane be plated on described epilamellar first aluminum successively and plate
Layer, zinc coating and the second aluminium coat, described first aluminium coat leaves blank with the edge of described basement membrane
Region；Being provided with one layer of Oleum Verniciae fordii protective layer on described second aluminium coat, described Oleum Verniciae fordii protective layer is by described
First aluminium coat, described zinc coating and described second aluminium coat and air exclusion, described second aluminium coat
For hierarchic structure.
In the present embodiment, described basement membrane is polypropylene capacitor thin film.
In the present embodiment, the thickness of described basement membrane is 2.5 μm, and width is 450mm.
In the present embodiment, the width of described white space is 1-2mm.
Correspondingly, present invention also offers the preparation method of described antioxidation capacitor film, including with
Lower step:
S1, prepare basement membrane:
S2, it is 4 × 10 at vacuum pressure-4Under conditions of mbar, basement membrane plates the first aluminum successively through coater
Coating, zinc coating and the second aluminium coat；
S3, one layer of Oleum Verniciae fordii protective layer is set on the second aluminium coat, obtains antioxidation capacitor film.
In the present embodiment, in described step S1, the raw material composition weight of basement membrane is: isotactic polypropylene 60
Part, sodium silicate 1.5 parts, tetramethylsilane 0.35 part, metallocene linear-low density polyethylene 13 parts,
Polyimides 1.5 parts, metallocene polypropylene resins 14 parts, acrylonitrile-butadiene rubber powder 1 part, calcium zinc stabilizer
2.5 parts, polyisobutylene 2.5 parts, epoxy soybean oil 2.5 parts, esterase 4 parts, aluminium hydroxide
1.5 parts, epoxy glycerite three acid esters 1.3 parts, phosphite ester 9 parts, barium stearate 2.5 parts, nanometer two
Silicon oxide 4 parts, nanometer silver 2.5 parts and 0.6 part of basswood ashes.
In the present embodiment, the preparation of described basement membrane comprises the following steps:
S11, metallocene linear-low density polyethylene is heated to molten condition, be subsequently adding nanometer silver,
Acrylonitrile-butadiene rubber powder and basswood ashes stir, and add epoxy soybean oil, polyisobutylene and calcium zinc steady
Determine agent, stir, cooling, make auxiliary agent；
S12, by isotactic polypropylene, tetramethylsilane, polyimides, sodium silicate and nano silicon
Being placed in reactor and add heat fusing, melt temperature is 110 DEG C, and the response time is 2.5 hours, and addition helps
Agent and remaining raw material are sufficiently stirred for, and send into extrusion machine fused mass extrusion, then carry out die head blown film sizing,
Temperature controls, at 240 DEG C, to be cooled to solid-state slab through sharp cooling roll；
S13, slab through bi-directional synchronization stretching, cooling and shaping, tentering trimming, traction cutting, rolling,
Ageing Treatment and second time Ageing Treatment obtain basement membrane for the first time.
In the present embodiment, the wind using full-automatic regulation in step S12 sharp cooling roll cooling procedure drenches dress
Put, make Quench roll surface and non-patch roll surface obtain identical crystallization temperature.
In the present embodiment, step S13 slab carries out bi-directional synchronization stretching with the draw ratio of 35 times.
In the present embodiment, the thickness of the thin film of preparation is 4.5 μm.
In the present embodiment, described thin film, under conditions of temperature is 125 DEG C, heats 18min, laterally
Percent thermal shrinkage is 0.15%, and longitudinal percent thermal shrinkage is 2%.
Embodiment three:
A kind of antioxidation capacitor film, including basement membrane be plated on described epilamellar first aluminum successively and plate
Layer, zinc coating and the second aluminium coat, described first aluminium coat leaves blank with the edge of described basement membrane
Region；Being provided with one layer of Oleum Verniciae fordii protective layer on described second aluminium coat, described Oleum Verniciae fordii protective layer is by described
First aluminium coat, described zinc coating and described second aluminium coat and air exclusion, described second aluminium coat
For hierarchic structure.
In the present embodiment, described basement membrane is polypropylene capacitor thin film.
In the present embodiment, the thickness of described basement membrane is 5 μm, and width is 600mm.
In the present embodiment, the width of described white space is 1-2mm.
Correspondingly, present invention also offers the preparation method of described antioxidation capacitor film, including with
Lower step:
S1, prepare basement membrane:
S2, it is 4 × 10 at vacuum pressure-4Under conditions of mbar, basement membrane plates the first aluminum successively through coater
Coating, zinc coating and the second aluminium coat；
S3, one layer of Oleum Verniciae fordii protective layer is set on the second aluminium coat, obtains antioxidation capacitor film.
In the present embodiment, in described step S1, the raw material composition weight of basement membrane is: isotactic polypropylene 65
Part, sodium silicate 2 parts, tetramethylsilane 0.5 part, metallocene linear-low density polyethylene 15 parts, poly-
Acid imide 2 parts, metallocene polypropylene resins 15 parts, acrylonitrile-butadiene rubber powder 1.2 parts, calcium zinc stabilizer 3
Part, polyisobutylene 3 parts, epoxy soybean oil 3 parts, esterase 5 parts, aluminium hydroxide 2 parts,
Epoxy glycerite three acid esters 1.5 parts, phosphite ester 10 parts, barium stearate 3 parts, nano silicon 5
Part, nanometer silver 3 parts and 0.7 part of basswood ashes.
In the present embodiment, the preparation of described basement membrane comprises the following steps:
S11, metallocene linear-low density polyethylene is heated to molten condition, be subsequently adding nanometer silver,
Acrylonitrile-butadiene rubber powder and basswood ashes stir, and add epoxy soybean oil, polyisobutylene and calcium zinc steady
Determine agent, stir, cooling, make auxiliary agent；
S12, by isotactic polypropylene, tetramethylsilane, polyimides, sodium silicate and nano silicon
Being placed in reactor and add heat fusing, melt temperature is 125 DEG C, and the response time is 2 hours, adds auxiliary agent
And remaining raw material is sufficiently stirred for, sends into extrusion machine fused mass extrusion, then carry out die head blown film sizing,
Temperature controls, at 250 DEG C, to be cooled to solid-state slab through sharp cooling roll；
S13, slab through bi-directional synchronization stretching, cooling and shaping, tentering trimming, traction cutting, rolling,
Ageing Treatment and second time Ageing Treatment obtain basement membrane for the first time.
In the present embodiment, the wind using full-automatic regulation in step S12 sharp cooling roll cooling procedure drenches dress
Put, make Quench roll surface and non-patch roll surface obtain identical crystallization temperature.
In the present embodiment, step S13 slab carries out bi-directional synchronization stretching with the draw ratio of 40 times.
In the present embodiment, the thickness of the thin film of preparation is 6 μm.
In the present embodiment, described thin film, under conditions of temperature is 135 DEG C, heats 20min, laterally
Percent thermal shrinkage is 0.2%, and longitudinal percent thermal shrinkage is 2.5%.
Antioxidation capacitor film of the present invention and preparation method thereof, has the advantages that
1, the antioxidation capacitor film of the present invention, it is by arranging the second aluminium coat on zinc coating,
Add the fastness between each coating, prevent zinc coating from directly contacting with air, aoxidize；
2, the second aluminium coat of antioxidation capacitor film of the present invention is hierarchic structure, improves capacitor
Grade and spontaneous recovery effect；
3, the antioxidation capacitor film of the present invention, is provided with one layer of Oleum Verniciae fordii protection on the second aluminium coat
Layer, it is possible to avoid aluminium-zinc coating oxidation by air further, thus improve metallized capacitor thin film
Oxidation resistance, it is to avoid thin film capacitor generation breakdown accident, extends the service life of capacitor.
4, the present invention uses the wind shower device of full-automatic regulation, makes Quench roll surface and non-patch roll surface obtain phase
Same crystallization temperature；The present invention uses bi-directional synchronization pulling method to replace traditional two-step stretch method, makes system
Standby capacitor film dimensionally stable, thickness is homogeneous, surfacing；The present invention is made without surface
Sided corona treatment, substantially increases the cleannes of basement membrane and pressure performance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for
For those skilled in the art, the technical scheme described in previous embodiment still can be carried out by it
Amendment, or wherein portion of techniques feature is carried out equivalent, all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement etc. made, should be included in the protection model of the present invention
Within enclosing.
Claims (10)
1. an antioxidation capacitor film, it is characterised in that include basement membrane and be plated on described base successively
The first aluminium coat, zinc coating and the second aluminium coat on film, described first aluminium coat and described basement membrane
Edge leaves white space；
Being provided with one layer of Oleum Verniciae fordii protective layer on described second aluminium coat, described Oleum Verniciae fordii protective layer is by described
One aluminium coat, described zinc coating and described second aluminium coat and air exclusion, described second aluminium coat is
Hierarchic structure.
Antioxidation capacitor film the most according to claim 1, it is characterised in that described basement membrane
For polypropylene capacitor thin film.
Antioxidation capacitor film the most according to claim 2, it is characterised in that described basement membrane
Thickness be 2-5 μm, width is 300-600mm.
4. the method preparing antioxidation capacitor film described in claim 1-3 any one,
It is characterized in that, comprise the following steps:
S1, prepare basement membrane:
S2, it is 4 × 10 at vacuum pressure-4Under conditions of mbar, basement membrane plates the first aluminum successively through coater
Coating, zinc coating and the second aluminium coat；
S3, one layer of Oleum Verniciae fordii protective layer is set on the second aluminium coat, obtains antioxidation capacitor film.
The preparation method of antioxidation capacitor film the most according to claim 4, it is characterised in that
Basement membrane described in step S1 raw material composition weight portion be: isotactic polypropylene 55-65, sodium silicate 1-2, four
Methyl-monosilane 0.2-0.5, metallocene linear-low density polyethylene 10-15, polyimides 1-2, metallocene
Acrylic resin 12-15, acrylonitrile-butadiene rubber powder 0.8-1.2, calcium zinc stabilizer 2-3, polyisobutylene 2-3, ring
Oxygen soybean oil 2-3, esterase 3-5, aluminium hydroxide 1-2, epoxy glycerite three acid esters 1-1.5, Asia
Phosphate ester 8-10, barium stearate 2-3, nano silicon 3-5, nanometer silver 2-3 and basswood ashes
0.5-0.7。
The preparation method of antioxidation capacitor film the most according to claim 5, it is characterised in that
The preparation of described basement membrane comprises the following steps:
S11, metallocene linear-low density polyethylene is heated to molten condition, be subsequently adding nanometer silver,
Acrylonitrile-butadiene rubber powder and basswood ashes stir, and add epoxy soybean oil, polyisobutylene and calcium zinc steady
Determine agent, stir, cooling, make auxiliary agent；
S12, by isotactic polypropylene, tetramethylsilane, polyimides, sodium silicate and nano silicon
Being placed in reactor and add heat fusing, melt temperature is 95-125 DEG C, and the response time is 2-3 hour, adds
Enter auxiliary agent and remaining raw material is sufficiently stirred for, send into extrusion machine fused mass extrusion, then carry out die head blown film
Sizing, temperature controls, at 230-250 DEG C, to be cooled to solid-state slab through sharp cooling roll；
S13, slab through bi-directional synchronization stretching, cooling and shaping, tentering trimming, traction cutting, rolling,
Ageing Treatment and second time Ageing Treatment obtain basement membrane for the first time.
The preparation method of antioxidation capacitor film the most according to claim 6, it is characterised in that
Step S12 sharp cooling roll cooling procedure uses the wind shower device of full-automatic regulation, makes Quench roll surface and non-
Patch roll surface obtains identical crystallization temperature.
The preparation method of antioxidation capacitor film the most according to claim 7, it is characterised in that
Step S13 slab carries out bi-directional synchronization stretching with the draw ratio of 30-40 times.
The preparation method of antioxidation capacitor film the most according to claim 8, it is characterised in that
The thickness of the thin film of preparation is 3-6 μm.
The preparation method of antioxidation capacitor film the most according to claim 9, its feature exists
In, described thin film, under conditions of temperature is 115 DEG C-135 DEG C, heats 15-20min, horizontal thermal contraction
Rate 0.1%-0.2%, longitudinal percent thermal shrinkage 1.5%-2.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525455.4A CN105931841A (en) | 2016-07-04 | 2016-07-04 | Anti-oxidation capacitor film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610525455.4A CN105931841A (en) | 2016-07-04 | 2016-07-04 | Anti-oxidation capacitor film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105931841A true CN105931841A (en) | 2016-09-07 |
Family
ID=56827539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610525455.4A Pending CN105931841A (en) | 2016-07-04 | 2016-07-04 | Anti-oxidation capacitor film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105931841A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398168A (en) * | 2016-09-29 | 2017-02-15 | 铜陵市超越电子有限公司 | Oxidation-resistant capacitor film |
| CN106432820A (en) * | 2016-09-29 | 2017-02-22 | 铜陵市超越电子有限公司 | Capacitor film material |
| CN107039181A (en) * | 2016-10-26 | 2017-08-11 | 安徽飞达电气科技有限公司 | A kind of resistance to high current, long-service-life metal thin film capacitor |
| CN108257783A (en) * | 2017-12-30 | 2018-07-06 | 汪逸凡 | A kind of preparation method of the capacitor metalized film of automatic reduction type |
| CN109851919A (en) * | 2019-01-30 | 2019-06-07 | 铜陵鸿盛百诚新能源科技有限公司 | Moisture-proof anti-oxidant intelligent photovoltaic metal metallized safety film of one kind and preparation method thereof |
| CN111654977A (en) * | 2020-06-22 | 2020-09-11 | 广德众泰科技有限公司 | Method for manufacturing oxidation-resistant circuit board |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010062410A (en) * | 2008-09-05 | 2010-03-18 | Panasonic Corp | Metalized film capacitor |
| CN103834106A (en) * | 2014-03-04 | 2014-06-04 | 芜湖市艾德森自动化设备有限公司 | High-temperature resisting anti-oxidation metallized film and preparation method thereof |
| CN204809038U (en) * | 2015-07-22 | 2015-11-25 | 南通百正电子新材料股份有限公司 | Ladder side hinders capacitor membrane |
| CN204809042U (en) * | 2015-07-22 | 2015-11-25 | 南通百正电子新材料股份有限公司 | Anti -oxidant capacitor film |
| CN206022115U (en) * | 2016-07-04 | 2017-03-15 | 南通百正电子新材料股份有限公司 | A kind of antioxidation capacitor film |
-
2016
- 2016-07-04 CN CN201610525455.4A patent/CN105931841A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010062410A (en) * | 2008-09-05 | 2010-03-18 | Panasonic Corp | Metalized film capacitor |
| CN103834106A (en) * | 2014-03-04 | 2014-06-04 | 芜湖市艾德森自动化设备有限公司 | High-temperature resisting anti-oxidation metallized film and preparation method thereof |
| CN204809038U (en) * | 2015-07-22 | 2015-11-25 | 南通百正电子新材料股份有限公司 | Ladder side hinders capacitor membrane |
| CN204809042U (en) * | 2015-07-22 | 2015-11-25 | 南通百正电子新材料股份有限公司 | Anti -oxidant capacitor film |
| CN206022115U (en) * | 2016-07-04 | 2017-03-15 | 南通百正电子新材料股份有限公司 | A kind of antioxidation capacitor film |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398168A (en) * | 2016-09-29 | 2017-02-15 | 铜陵市超越电子有限公司 | Oxidation-resistant capacitor film |
| CN106432820A (en) * | 2016-09-29 | 2017-02-22 | 铜陵市超越电子有限公司 | Capacitor film material |
| CN107039181A (en) * | 2016-10-26 | 2017-08-11 | 安徽飞达电气科技有限公司 | A kind of resistance to high current, long-service-life metal thin film capacitor |
| CN108257783A (en) * | 2017-12-30 | 2018-07-06 | 汪逸凡 | A kind of preparation method of the capacitor metalized film of automatic reduction type |
| CN108257783B (en) * | 2017-12-30 | 2019-12-03 | 山东众鑫电子材料有限公司 | A kind of preparation method of the capacitor metalized film of automatic reduction type |
| CN109851919A (en) * | 2019-01-30 | 2019-06-07 | 铜陵鸿盛百诚新能源科技有限公司 | Moisture-proof anti-oxidant intelligent photovoltaic metal metallized safety film of one kind and preparation method thereof |
| CN111654977A (en) * | 2020-06-22 | 2020-09-11 | 广德众泰科技有限公司 | Method for manufacturing oxidation-resistant circuit board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105931841A (en) | Anti-oxidation capacitor film and preparation method thereof | |
| JP5521121B2 (en) | Insulated wire, electrical equipment, and method of manufacturing insulated wire | |
| WO2014123123A1 (en) | Insulating laminated body of enamel resin, and insulated wire and electric appliance using the same | |
| US9754721B2 (en) | Biaxially oriented film for electrical insulation and film capacitor made using biaxially oriented film for electrical insulation | |
| KR19990064089A (en) | Polypropylene Film and Capacitor Using It as Dielectric | |
| CN112216515B (en) | Ultrathin capacitor film and preparation method thereof | |
| CN108039439B (en) | Composite diaphragm and preparation method thereof | |
| CN106058124A (en) | Production method for lithium-ion battery separator | |
| KR100779040B1 (en) | Manufacturing method of ultra thin high temperature resistant polypropylene dielectric film for capacitor | |
| CN108707241A (en) | A kind of ultra-thin high-temperature-respolypropylene polypropylene capacitor metallized film and preparation method thereof | |
| CN107039181B (en) | A kind of resistance to high current, long-service-life metal thin film capacitor | |
| WO2015115878A1 (en) | Winding-type stacked body for condenser with high capacitance and stacked winding-type condenser using same | |
| US10074485B2 (en) | Electrolytic capacitor, electrolytic capacitor manufacturing method, electrode foil, and electrode foil manufacturing method | |
| CN206022115U (en) | A kind of antioxidation capacitor film | |
| JPH11273990A (en) | Polypropylene film for heat-resistant capacitor | |
| JP2002141246A (en) | Polyester film for capacitor and film capacitor | |
| JPH01266177A (en) | Film for heat-resistant pressure-sensitive adhesive tape | |
| JP2913779B2 (en) | Biaxially stretched film for capacitors | |
| JPH06290990A (en) | Metallized polypropylene film for capacitor | |
| JPH11273991A (en) | Polypropylene film for capacitor and capacitor consisting of the film | |
| US20240181749A1 (en) | Metallized polypropylene film | |
| JP3198666B2 (en) | Biaxially stretched film | |
| CN105655128A (en) | Ultrathin and high-temperature-resistant metallized polypropylene film capacitor | |
| JP2576465B2 (en) | Method of manufacturing film for capacitor | |
| CN106554604A (en) | A kind of polyester film for capacitors and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |