CN109235137A - A kind of coating is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized - Google Patents
A kind of coating is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized Download PDFInfo
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- CN109235137A CN109235137A CN201811056101.5A CN201811056101A CN109235137A CN 109235137 A CN109235137 A CN 109235137A CN 201811056101 A CN201811056101 A CN 201811056101A CN 109235137 A CN109235137 A CN 109235137A
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- electrolytic capacitor
- pulp
- carbonized
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- 239000011248 coating agent Substances 0.000 title claims abstract description 57
- 238000000576 coating method Methods 0.000 title claims abstract description 57
- 239000003990 capacitor Substances 0.000 title claims abstract description 45
- 239000007787 solid Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 105
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 25
- 238000010009 beating Methods 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 23
- 229920000728 polyester Polymers 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 19
- 238000004061 bleaching Methods 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 11
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000011121 hardwood Substances 0.000 claims description 4
- 239000011268 mixed slurry Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 240000000491 Corchorus aestuans Species 0.000 claims description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 claims description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 229920002978 Vinylon Polymers 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 239000010902 straw Substances 0.000 claims 1
- 239000000123 paper Substances 0.000 description 44
- 239000000178 monomer Substances 0.000 description 14
- 238000002156 mixing Methods 0.000 description 12
- 238000009955 starching Methods 0.000 description 10
- 238000003763 carbonization Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000007086 side reaction Methods 0.000 description 4
- 239000002655 kraft paper Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/06—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type
Landscapes
- Paper (AREA)
Abstract
The invention belongs to electrolytic capacitor paper fields, and in particular to a kind of coating is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized.The raw material of the electrolytic capacitor paper is made of wood pulp and chemical fibre；The beating degree of wood pulp is 5 ~ 25 ° of SR, and weight in wet base is 10 ~ 30g；The length of chemical fibre is 1.5 ~ 15mm, and fiber number is 0.1 ~ 3dtex；By dry mass percentages, wood pulp is 10 ~ 80%, and chemical fibre is 20 ~ 90%；The surface spray of the electrolytic capacitor paper sprays or dip coated has enhancement layer, and coating weight accounts for the 1 ~ 10% of paper absolute dry mass after coating.The present invention is coated paper, can further enhance the intensity of paper, is more conducive to ensureing the smooth production of capacitor.
Description
Technical field
The invention belongs to electrolytic capacitor paper fields, and in particular to a kind of coating is enhanced to exempt from the solid electrolytic capacitor that is carbonized
Paper and preparation method thereof.
Background technique
Electrolyte in solid electrolytic capacitor is solid-state conductive high molecular material, the structure packet of solid electrolytic capacitor
Include anode, cathode, electrolytic paper and solid-state conductive high molecular material.Electrolytic capacitor paper be prepare electrolytic capacitor can not or
One of scarce raw material is mainly used for adsorbing monomer and oxidant in the capacitor, forms polymer, while playing isolation pole plate
Effect, prevents anode and cathode from directly contacting and short-circuit.
Traditional electrolytic capacitor paper is holocellulos material, weaker to the adsorption capacity of monomer, while being contained in cellulose
There is a large amount of hydroxyl, side reaction can be generated in conductive high polymer monomer polymerization, influence the performance of capacitor；In addition, general electricity
Fiber combination is more close in solution paper, and conductive high polymer monomer is difficult to be adsorbed in electrolytic paper completely, leads to conducting polymer list
It is unevenly distributed in electrolytic paper after body polymerization, influences capacitor performance.Currently, the solid electrolytic capacitor produced in the market,
It needs to carry out carbonization treatment to electrolytic paper at 250 ~ 270 DEG C in production process, to improve the sponginess of electrolytic paper and to monomer
Adsorptivity.It under this technique, needs for entire capacitor to be heated under higher temperature, production technology is complicated, and high temperature cabonization
Process will cause destruction to the structure of cathode and anode foil, cause properties of product unstable, leakage current is easy exceeded；Further, since plus
Hot temperature is high, needs to consume a large amount of energy, adds somewhat to the production cost of enterprise.
Therefore, in order to simplify the production technology of solid electrolytic capacitor, production energy consumption is reduced, developing one kind, to exempt from carbonization solid
State electrolytic capacitor paper (number of patent application: 2018091011182, the applying date: on September 10th, 2018), this kraft capacitor paper pair
Conductive high polymer monomer has preferable adsorptivity, and can reduce side reaction when conductive high polymer monomer polymerization, while
Without carrying out carbonization treatment to kraft capacitor paper in capacitor production process, but the intensity of the solid electrolytic capacitor paper is inadequate.
Summary of the invention
In order to solve the above technical problems, it is an object of the present invention to provide a kind of pair of monomers to have preferably absorption
Property, side reaction is less, the electrolytic capacitor paper of carbonization treatment is not necessarily in capacitor production process, and have good intensity.
Another object of the present invention is to provide the preparation method of above-mentioned electrolytic capacitor paper.
In order to realize above-mentioned first purpose, the invention adopts the following technical scheme:
A kind of coating is enhanced to exempt from the solid electrolytic capacitor paper that is carbonized, and the raw material of the electrolytic capacitor paper is by wood pulp and chemical fibre
Composition；The wood pulp includes non-bleaching needle-point leaf pulp, bleaching needle-point leaf pulp, non-bleached hardwood pulp, bleached hardwood pulp, grass
One or more of slurry, the beating degree of wood pulp are 5 ~ 25 ° of SR, and weight in wet base is 10 ~ 30g；The chemical fibre includes polyester fibre
One or more of dimension, Fypro, polyolefine fiber, vinylon fibre and polyacrylonitrile fibre, the length of chemical fibre
For 1.5 ~ 15mm, fiber number is 0.1 ~ 3dtex；By dry mass percentages, wood pulp is 10 ~ 80%, and chemical fibre is 20 ~ 90%；
The surface spray of the electrolytic capacitor paper sprays or dip coated has enhancement layer, and coating weight accounts for paper absolute dry mass after coating
1 ~ 10%.
Preferably, pressing dry mass percentages, wood pulp is 40 ~ 60%, and chemical fibre is 40 ~ 60%.
Preferably, the beating degree of wood pulp is 10 ~ 20 ° of SR, weight in wet base is 15 ~ 25g.
Preferably, the length of chemical fibre is 3 ~ 10mm, fiber number is 0.2 ~ 1.5dtex.
Preferably, the ingredient of spraying coating liquid or dip coated liquid is polyvinyl alcohol and its derivative, polyacrylamide
One or more of with starch.
In order to realize above-mentioned second purpose, the invention adopts the following technical scheme:
A method of preparing that the coating is enhanced to exempt from the solid electrolytic capacitor paper that is carbonized, which is characterized in that this method packet
Include following step:
1) dispersion is discongested after jute pulp being added water, obtains slurry A；
2) chemical fibre is uniformly dispersed, obtains slurry B；
3) slurry A and slurry B is sufficiently mixed, and obtains mixed slurry；
4) mixed slurry is subjected to online drainage and formation, using squeezing, drying, spraying coating or dip coated, drying, batched
And cutting, it obtains the enhanced low tightness of coating and exempts from the solid electrolytic capacitor paper that is carbonized.
Preferably, forming is manufactured paper with pulp using cylinder in step 4), Top wire former concentration is 0.01 ~ 0.5%.
Further, the coating fluid mass concentration of spraying coating and dip coated is 0.1 ~ 10%.
The present invention exempts from the solid electrolytic capacitor paper that is carbonized by adopting the above-described technical solution, coating of the invention is enhanced
There is good adsorptivity to monomer, and can be reduced the generation of side reaction during monomer polymerization, while paper is with lower
Tightness, monomer is uniformly distributed in paper.Therefore, in the production process of capacitor without to kraft capacitor paper into
Row carbonization treatment.Chemical fibre has preferable adsorptivity to monomer in above-mentioned component, therefore chemistry fibre is added in paper
Dimension can improve paper to the adsorptivity of monomer, and monomer is made to be evenly distributed in paper；Again due to being combined between pure chemistry fiber
Power is weaker, it is difficult to be manufactured paper with pulp by wet-formed, it is therefore desirable to and a certain amount of plant fiber assigns the paper certain intensity,
It can smoothly manufacture paper with pulp.In addition, being coated to paper, the intensity of paper can be further enhanced, is more conducive to ensureing electricity
The smooth production of container.
Specific embodiment
Reference example 1
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 5mm, fiber number 0.5dtex.Two kinds of fibers are mixed, are mixed
Manila wood pulp and PET polyester fiber account for 50%, the 50% of fiber over dry total amount respectively afterwards, after mixing slurry concentration be 1%, two kinds
After mixing, by cylinder forming, Top wire former concentration is 0.05% to fiber, then after squeezing, drying, batching and cutting
Obtain finished product.
Reference example 2
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 6mm, fiber number 1.5dtex.Two kinds of fibers are mixed, are mixed
Manila wood pulp and PET polyester fiber account for 40%, the 60% of fiber over dry total amount respectively afterwards, after mixing slurry concentration be 1%, two kinds
After mixing, by cylinder forming, Top wire former concentration is 0.1% to fiber, then through squeezing, drying, batch and cut after must
To finished product.
Embodiment 1
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 5mm, fiber number 0.5dtex.Two kinds of fibers are mixed, are mixed
Wood pulp and PET polyester fiber account for 50%, the 50% of fiber over dry total amount respectively afterwards, and slurry concentration is 1% after mixing, and two kinds of fibers are mixed
After closing uniformly, by cylinder forming, Top wire former concentration is 0.05%, then through squeezing, drying, spraying coating, drying, batch
With obtain finished product after cutting, coating fluid is polyvinyl alcohol water solution, and mass concentration 1.5%, coating weight is paper over dry after coating
The 2.4% of quality.
Embodiment 2
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 6mm, fiber number 1.5dtex.Two kinds of fibers are mixed, are mixed
Wood pulp and PET polyester fiber account for 50%, the 50% of fiber over dry total amount respectively afterwards, and slurry concentration is 1% after mixing, and two kinds of fibers are mixed
After closing uniformly, by cylinder forming, Top wire former concentration is 0.1%, then through squeezing, drying, spraying coating, drying, batch and
Finished product is obtained after cutting, coating fluid is polyvinyl alcohol water solution, and mass concentration 1.8%, coating weight is paper over dry matter after coating
The 3.0% of amount.
Embodiment 3
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 5mm, fiber number 0.5dtex.Two kinds of fibers are mixed, are mixed
Wood pulp and PET polyester fiber account for 40%, the 60% of fiber over dry total amount respectively afterwards, and slurry concentration is 1% after mixing, and two kinds of fibers are mixed
After closing uniformly, by cylinder forming, Top wire former concentration is 0.05%, then through squeezing, drying, spraying coating, drying, batch
With obtain finished product after cutting, coating fluid is polyvinyl alcohol water solution, and mass concentration 1.8%, coating weight is paper over dry after coating
The 3.0% of quality.
Embodiment 4
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 6mm, fiber number 1.5dtex.Two kinds of fibers are mixed, are mixed
Wood pulp and PET polyester fiber account for 40%, the 60% of fiber over dry total amount respectively afterwards, and slurry concentration is 1% after mixing, and two kinds of fibers are mixed
After closing uniformly, by cylinder forming, Top wire former concentration is 0.05%, then through squeezing, drying, spraying coating, drying, batch
With obtain finished product after cutting, coating fluid is polyvinyl alcohol water solution, and mass concentration 2.4%, coating weight is paper over dry after coating
The 3.8% of quality.
Embodiment 5
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 5mm, fiber number 0.5dtex.Two kinds of fibers are mixed, are mixed
Wood pulp and PET polyester fiber account for 50%, the 50% of fiber over dry total amount respectively afterwards, and slurry concentration is 1% after mixing, and two kinds of fibers are mixed
After closing uniformly, by cylinder forming, Top wire former concentration is 0.05%, then through squeezing, drying, dip coated, drying, batch
With obtain finished product after cutting, coating fluid is polyvinyl alcohol water solution, and mass concentration 2.0%, coating weight is paper over dry after coating
The 4.5% of quality.
Embodiment 6
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 6mm, fiber number 1.5dtex.Two kinds of fibers are mixed, are mixed
Wood pulp and PET polyester fiber account for 50%, the 50% of fiber over dry total amount respectively afterwards, and slurry concentration is 1% after mixing, and two kinds of fibers are mixed
After closing uniformly, by cylinder forming, Top wire former concentration is 0.1%, then through squeezing, drying, dip coated, drying, batch and
Finished product is obtained after cutting, coating fluid is polyvinyl alcohol water solution, and mass concentration 2.5%, coating weight is paper over dry matter after coating
The 5.0% of amount.
Embodiment 7
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 5mm, fiber number 0.5dtex.Two kinds of fibers are mixed, are mixed
Wood pulp and PET polyester fiber account for 40%, the 60% of fiber over dry total amount respectively afterwards, and slurry concentration is 1% after mixing, and two kinds of fibers are mixed
After closing uniformly, by cylinder forming, Top wire former concentration is 0.05%, then through squeezing, drying, dip coated, drying, batch
With obtain finished product after cutting, coating fluid is polyvinyl alcohol water solution, and mass concentration 2.8%, coating weight is paper over dry after coating
The 5.3% of quality.
Embodiment 8
Non- bleaching needle-point leaf pulp discongest after beating degree and weight in wet base be respectively 13 ° of SR, 17.5g, discongest rear pulp density 2%；PET
After polyester fiber is dispersed, starching dense is 2%, fibre length 6mm, fiber number 1.5dtex.Two kinds of fibers are mixed, are mixed
Wood pulp and PET polyester fiber account for 40%, the 60% of fiber over dry total amount respectively afterwards, and slurry concentration is 1% after mixing, and two kinds of fibers are mixed
After closing uniformly, by cylinder forming, Top wire former concentration is 0.05%, then through squeezing, drying, dip coated, drying, batch
With obtain finished product after cutting, coating fluid is polyvinyl alcohol water solution, and mass concentration 3%, coating weight is paper over dry matter after coating
The 5.6% of amount.
Claims (8)
- Exempt from the solid electrolytic capacitor paper that is carbonized 1. a kind of coating is enhanced, which is characterized in that the raw material of the electrolytic capacitor paper by Wood pulp and chemical fibre composition；The wood pulp include non-bleaching needle-point leaf pulp, bleaching needle-point leaf pulp, non-bleached hardwood pulp, One or more of bleached hardwood pulp, straw pulp, the beating degree of wood pulp are 5 ~ 25 ° of SR, and weight in wet base is 10 ~ 30g；The chemistry Fiber includes one or more of polyester fiber, Fypro, polyolefine fiber, vinylon fibre and polyacrylonitrile fibre, The length of chemical fibre is 1.5 ~ 15mm, and fiber number is 0.1 ~ 3dtex；By dry mass percentages, wood pulp is 10 ~ 80%, chemistry Fiber is 20 ~ 90%；The surface spray of the electrolytic capacitor paper sprays or dip coated has enhancement layer, coating weight after coating Account for the 1 ~ 10% of paper absolute dry mass.
- 2. a kind of coating according to claim 1 is enhanced to exempt from the solid electrolytic capacitor paper that is carbonized, which is characterized in that by dry Drying quality percentages, wood pulp are 40 ~ 60%, and chemical fibre is 40 ~ 60%.
- 3. a kind of coating according to claim 1 is enhanced to exempt from the solid electrolytic capacitor paper that is carbonized, which is characterized in that wood pulp Beating degree be 10 ~ 20 ° of SR, weight in wet base be 15 ~ 25g.
- 4. a kind of coating according to claim 1 is enhanced to exempt from the solid electrolytic capacitor paper that is carbonized, which is characterized in that chemistry The length of fiber is 3 ~ 10mm, and fiber number is 0.2 ~ 1.5dtex.
- 5. a kind of coating according to claim 1 is enhanced to exempt from the solid electrolytic capacitor paper that is carbonized, which is characterized in that spraying The ingredient of coating fluid or dip coated liquid is one or more of polyvinyl alcohol and its derivative, polyacrylamide and starch.
- 6. it is a kind of prepare coating described in claim 1 ~ 5 any one claim it is enhanced exempt from be carbonized solid electrolytic capacitor The method of paper, which is characterized in that this method includes the following steps:1) dispersion is discongested after jute pulp being added water, obtains slurry A；2) chemical fibre is uniformly dispersed, obtains slurry B；3) slurry A and slurry B is sufficiently mixed, and obtains mixed slurry；4) mixed slurry is subjected to online drainage and formation, using squeezing, drying, spraying coating or dip coated, drying, batched And cutting, it obtains the enhanced low tightness of coating and exempts from the solid electrolytic capacitor paper that is carbonized.
- 7. Top wire former is dense according to the method described in claim 6, manufacturing paper with pulp it is characterized in that, shaping in step 4) using cylinder Degree is 0.01 ~ 0.5%.
- 8. according to the method described in claim 6, it is characterized in that, the coating fluid mass concentration of spraying coating and dip coated is 0.1~10%。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056101.5A CN109235137A (en) | 2018-09-11 | 2018-09-11 | A kind of coating is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056101.5A CN109235137A (en) | 2018-09-11 | 2018-09-11 | A kind of coating is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized |
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| CN109235137A true CN109235137A (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811056101.5A Pending CN109235137A (en) | 2018-09-11 | 2018-09-11 | A kind of coating is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926618A (en) * | 2020-08-05 | 2020-11-13 | 中轻特种纤维材料有限公司 | Preparation method of diaphragm paper for gold capacitor |
| CN114892448A (en) * | 2022-06-13 | 2022-08-12 | 万国纸业太阳白卡纸有限公司 | Paper and preparation method thereof |
| CN116180493A (en) * | 2022-12-15 | 2023-05-30 | 株洲时代华先材料科技有限公司 | Wide-temperature electrolytic capacitor paper and preparation method thereof |
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| CN1626731A (en) * | 2003-12-09 | 2005-06-15 | 浙江凯恩特种材料股份有限公司 | Paper of electrolytic capacitor and preparation method |
| CN1793508A (en) * | 2005-12-23 | 2006-06-28 | 浙江凯恩特种材料股份有限公司 | Process for preparing electrolytic capacitor paper |
| CN104988809A (en) * | 2015-06-26 | 2015-10-21 | 浙江凯恩特种材料股份有限公司 | High voltage resistant electrolytic capacitor paper and preparation method thereof |
| CN108221487A (en) * | 2018-01-04 | 2018-06-29 | 浙江凯恩特种纸业有限公司 | A kind of low internal resistance super electrolytic capacitor paper and preparation method thereof |
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- 2018-09-11 CN CN201811056101.5A patent/CN109235137A/en active Pending
Patent Citations (4)
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| CN1626731A (en) * | 2003-12-09 | 2005-06-15 | 浙江凯恩特种材料股份有限公司 | Paper of electrolytic capacitor and preparation method |
| CN1793508A (en) * | 2005-12-23 | 2006-06-28 | 浙江凯恩特种材料股份有限公司 | Process for preparing electrolytic capacitor paper |
| CN104988809A (en) * | 2015-06-26 | 2015-10-21 | 浙江凯恩特种材料股份有限公司 | High voltage resistant electrolytic capacitor paper and preparation method thereof |
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| CN111926618A (en) * | 2020-08-05 | 2020-11-13 | 中轻特种纤维材料有限公司 | Preparation method of diaphragm paper for gold capacitor |
| CN114892448A (en) * | 2022-06-13 | 2022-08-12 | 万国纸业太阳白卡纸有限公司 | Paper and preparation method thereof |
| CN116180493A (en) * | 2022-12-15 | 2023-05-30 | 株洲时代华先材料科技有限公司 | Wide-temperature electrolytic capacitor paper and preparation method thereof |
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Application publication date: 20190118 |
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