CN111926618A - Preparation method of diaphragm paper for gold capacitor - Google Patents
Preparation method of diaphragm paper for gold capacitor Download PDFInfo
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- CN111926618A CN111926618A CN202010775681.4A CN202010775681A CN111926618A CN 111926618 A CN111926618 A CN 111926618A CN 202010775681 A CN202010775681 A CN 202010775681A CN 111926618 A CN111926618 A CN 111926618A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 46
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000010931 gold Substances 0.000 title claims abstract description 43
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000010009 beating Methods 0.000 claims abstract description 46
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 238000004537 pulping Methods 0.000 claims abstract description 7
- 229920002978 Vinylon Polymers 0.000 claims abstract description 5
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 239000011148 porous material Substances 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920001410 Microfiber Polymers 0.000 description 2
- 239000003658 microfiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/08—Synthetic cellulose fibres from regenerated cellulose
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/22—Condensation polymers of aldehydes or ketones
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/52—Separators
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Paper (AREA)
Abstract
The application provides a preparation method of diaphragm paper for gold capacitors, which comprises the following steps: (1) cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water to be defibered and dispersed to prepare pulp A with the concentration of 1.8-20.0 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; (2) adding water to vinylon fibers, and performing defibering, dispersing and pulping treatment to obtain a slurry C; (3) mixing and stirring the slurry B and the slurry C uniformly according to a proportion to obtain a slurry D; (4) adding a dispersing agent into the slurry D, and uniformly mixing and stirring to obtain slurry E; (5) using water as a medium, making the pulp E, and obtaining finished paper through pressing and drying processes; (6) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor. The diaphragm paper for the gold capacitor prepared by the method has high porosity and uniform pore size distribution, and is beneficial to improving the performance of the gold capacitor.
Description
Technical Field
The application relates to the technical field of diaphragm paper manufacturing, in particular to a preparation method of diaphragm paper for a gold capacitor.
Background
The gold capacitor is a power supply device, the power supply is arranged between the capacitor and the battery, and the physical and chemical changes are not generated during the period of storing electric energy, so that the gold capacitor can be charged for dozens of thousands of times, and is a clean, high-efficiency and large-capacity power supply device. The diaphragm is one of the important components of the gold capacitor, and the quality of the performance of the gold capacitor is determined to a certain extent. The diaphragm prepared by the traditional preparation method has the problems of low porosity and uneven pore size distribution, which can affect the performance of the gold capacitor. Therefore, the research on a method for preparing the gold diaphragm paper for the capacitor with higher porosity and uniform pore size distribution is of great significance.
Disclosure of Invention
The present application aims to solve the above problems and provide a method for preparing a separator paper for gold capacitors.
The application provides a preparation method of diaphragm paper for gold capacitors, which comprises the following steps:
(1) cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water to be defibered and dispersed to prepare pulp A with the concentration of 1.8-20.0 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 70-90 DEG SR, and the wet weight is 2.5-24.0 g;
(2) adding water to vinylon fibers, and performing defibering, dispersing and pulping treatment to obtain a slurry C;
(3) mixing and stirring the slurry B and the slurry C uniformly according to a proportion to obtain slurry D, wherein the proportion of the slurry B is 90-100%, and the proportion of the slurry C is 0-10%;
(4) adding a dispersing agent into the slurry D, and uniformly mixing and stirring to obtain slurry E, wherein the using amount of the dispersing agent is 0-0.04% relative to the weight of the oven-dried slurry;
(5) using water as a medium, making the pulp E, and obtaining finished paper through pressing and drying processes;
(6) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
According to the technical scheme provided by some embodiments of the present application, the water added in step (1), step (2) and step (5) is deionized water.
According to the technical scheme provided by certain embodiments of the application, the beating concentration of the pulp C is 13 DEG SR, and the wet weight is 7.6 g.
According to the technical scheme provided by certain embodiments of the application, the dispersing agent is one of polyethylene oxide or polyacrylamide.
According to the technical scheme provided by some embodiments of the application, when the pulp B is made by using water as a medium in the step (5), a fourdrinier machine or a cylinder machine is used for making the pulp.
Compared with the prior art, the beneficial effect of this application: according to the diaphragm paper for the gold capacitor, which is prepared by the preparation method, the main fibers play a skeleton role in the diaphragm, the main fibers are devillicate to form micro fibers, and a stable three-dimensional structure is formed between the main fibers and the micro fibers, so that the diaphragm has a good pore structure, the porosity of the diaphragm is improved, and the diaphragm has high mechanical strength; meanwhile, the fiber diameter and the pore size are uniformly distributed and uniform, so that the phenomenon of nonuniform pore distribution of the traditional diaphragm paper is effectively improved; in addition, the cellulose contains more water-absorbing hydroxyl functional groups, so that the diaphragm has a better liquid-absorbing effect, and the quick exchange of anions and cations in the charging and discharging processes can be realized, thereby being beneficial to improving the performance of the gold capacitor.
Drawings
Fig. 1 is a flowchart of a method for preparing a separator paper for gold capacitors according to an embodiment of the present application.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
The application provides a preparation method of diaphragm paper for gold capacitors, the flow chart of the method is shown in figure 1, and the preparation method is described by combining specific examples.
Example 1
A method for preparing a separator paper for gold capacitors, which comprises the following steps:
(1) cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water to be defibered and dispersed to prepare pulp A with the concentration of 1.8 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 70 DEG SR, and the wet weight is 7.52 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 2
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water to be defibered and dispersed to prepare pulp A with the concentration of 1.8 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 75 DEG SR, and the wet weight is 5.64 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 3
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water to be defibered and dispersed to prepare pulp A with the concentration of 1.8 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 80 DEG SR, and the wet weight is 4.04 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 4
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water to be defibered and dispersed to prepare pulp A with the concentration of 1.8 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 85 DEG SR, and the wet weight is 3.51 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 5
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water to be defibered and dispersed to prepare pulp A with the concentration of 1.8 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 90 DEG SR, and the wet weight is 2.5 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 6
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water, defibered and dispersed to prepare slurry A with the concentration of 20 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 70 DEG SR, and the wet weight is 23.3 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 7
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water, defibered and dispersed to prepare slurry A with the concentration of 20 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 75 DEG SR, and the wet weight is 17.1 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 8
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water, defibered and dispersed to prepare slurry A with the concentration of 20 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 80 DEG SR, and the wet weight is 15.2 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 9
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water, defibered and dispersed to prepare slurry A with the concentration of 20 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 85 DEG SR, and the wet weight is 12.0 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 10
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water, defibered and dispersed to prepare slurry A with the concentration of 20 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 90 DEG SR, and the wet weight is 3.87 g;
(2) using water as a medium, papermaking the slurry B by using a fourdrinier machine, and obtaining finished paper through pressing and drying processes;
(3) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1) and the step (2) is deionized water.
Example 11
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water, defibered and dispersed to prepare slurry A with the concentration of 20 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 85 DEG SR, and the wet weight is 15.2 g;
(2) adding water into vinylon fibers, and carrying out defibering, dispersing and pulping treatment to obtain a pulp C, wherein the pulping concentration of the pulp C is 13 DEG SR, and the wet weight is 7.6 g;
(3) mixing and stirring the slurry B and the slurry C uniformly according to a ratio to obtain a slurry D, wherein the ratio of the slurry B is 95%, and the ratio of the slurry C is 5%;
(4) adding a dispersant into the slurry D, and uniformly mixing and stirring to obtain a slurry E, wherein the adopted dispersant is polyacrylamide, and the dosage of the dispersant is 0.04 percent relative to the weight of the oven-dried slurry;
(5) using water as a medium, papermaking the pulp E by a cylinder paper machine, and obtaining finished paper through pressing and drying processes;
(6) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1), the step (2) and the step (5) is deionized water.
Example 12
(1) Cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water, defibered and dispersed to prepare slurry A with the concentration of 20 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 85 DEG SR, and the wet weight is 15.2 g;
(2) adding water into vinylon fibers, and carrying out defibering, dispersing and pulping treatment to obtain a pulp C, wherein the pulping concentration of the pulp C is 13 DEG SR, and the wet weight is 7.6 g;
(3) mixing and stirring the slurry B and the slurry C uniformly according to a proportion to obtain a slurry D, wherein the proportion of the slurry B is 90%, and the proportion of the slurry C is 10%;
(4) adding a dispersant into the slurry D, and uniformly mixing and stirring to obtain a slurry E, wherein the adopted dispersant is polyacrylamide, and the dosage of the dispersant is 0.04 percent relative to the weight of the oven-dried slurry;
(5) using water as a medium, papermaking the pulp E by a cylinder paper machine, and obtaining finished paper through pressing and drying processes;
(6) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
Wherein, the water added in the step (1), the step (2) and the step (5) is deionized water.
Performance testing
The separator paper for gold capacitor prepared in the above examples 1 to 12 was tested for thickness, tensile strength, air permeability, porosity, ESR (internal resistance) and CAP (capacitance) under a test environment of 23 ℃ and 50% RH; then, the gold capacitor is made into a 10F super capacitor by using diaphragm paper, and the super capacitor is charged at 2.7V and 0.8A at room temperature and discharged at 0.8A. The ESR change times and C change rate were measured after charging at +70 ℃ at 2.7V for 1000 hours, and the comparison of the measured results with the target values is shown in table 1.
TABLE 1
As can be seen from table 1, the performance indexes of the gold capacitor separator paper prepared in examples 1 to 12 of the present invention all meet the requirements of target values, and the test results of 12 schemes show that the gold capacitor separator paper produced by the method has high porosity and high mechanical strength.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.
Claims (5)
1. A preparation method of diaphragm paper for gold capacitors is characterized by comprising the following steps:
(1) cellulose fiber with the fineness of 1.5dtex and the length of 5mm is added with water to be defibered and dispersed to prepare pulp A with the concentration of 1.8-20.0 percent; beating the pulp A by a beating machine to carry out devillicate brooming to obtain pulp B; the beating degree of the slurry B is 70-90 DEG SR, and the wet weight is 2.5-24.0 g;
(2) adding water to vinylon fibers, and performing defibering, dispersing and pulping treatment to obtain a slurry C;
(3) mixing and stirring the slurry B and the slurry C uniformly according to a proportion to obtain slurry D, wherein the proportion of the slurry B is 90-100%, and the proportion of the slurry C is 0-10%;
(4) adding a dispersing agent into the slurry D, and uniformly mixing and stirring to obtain slurry E, wherein the using amount of the dispersing agent is 0-0.04% relative to the weight of the oven-dried slurry;
(5) using water as a medium, making the pulp E, and obtaining finished paper through pressing and drying processes;
(6) and carrying out surface finishing treatment on the finished paper to obtain the diaphragm paper for the gold capacitor.
2. The method for preparing a separator paper for gold capacitors as claimed in claim 1, wherein the water added in step (1), step (2) and step (5) is deionized water.
3. The method for preparing separator paper for gold capacitors as claimed in claim 1, wherein the pulp C has a beating concentration of 13 ° SR and a wet weight of 7.6 g.
4. The method for preparing separator paper for gold capacitors as claimed in claim 1, wherein the dispersant is one of polyethylene oxide and polyacrylamide.
5. The method for preparing separator paper for gold capacitors as claimed in claim 1, wherein the pulp B is made by a fourdrinier machine or a cylinder machine in the step (5) using water as a medium.
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CN202010775681.4A CN111926618A (en) | 2020-08-05 | 2020-08-05 | Preparation method of diaphragm paper for gold capacitor |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1553462A (en) * | 2003-12-19 | 2004-12-08 | 南京双登科技发展研究院有限公司 | Diaphragm of supercapacitor |
CN108978322A (en) * | 2018-09-11 | 2018-12-11 | 浙江凯恩特种材料股份有限公司 | One kind is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized |
CN109235137A (en) * | 2018-09-11 | 2019-01-18 | 浙江凯恩特种材料股份有限公司 | A kind of coating is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized |
CN110656529A (en) * | 2019-09-12 | 2020-01-07 | 中国制浆造纸研究院有限公司 | Fine fiber, preparation method and application thereof, and preparation method of diaphragm for electrical equipment |
-
2020
- 2020-08-05 CN CN202010775681.4A patent/CN111926618A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1553462A (en) * | 2003-12-19 | 2004-12-08 | 南京双登科技发展研究院有限公司 | Diaphragm of supercapacitor |
CN108978322A (en) * | 2018-09-11 | 2018-12-11 | 浙江凯恩特种材料股份有限公司 | One kind is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized |
CN109235137A (en) * | 2018-09-11 | 2019-01-18 | 浙江凯恩特种材料股份有限公司 | A kind of coating is enhanced to exempt from the solid electrolytic capacitor paper and preparation method thereof that is carbonized |
CN110656529A (en) * | 2019-09-12 | 2020-01-07 | 中国制浆造纸研究院有限公司 | Fine fiber, preparation method and application thereof, and preparation method of diaphragm for electrical equipment |
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