CN108004827A - A kind of method that on-line coater prepares pressure resistant type electrolytic capacitor paper - Google Patents
A kind of method that on-line coater prepares pressure resistant type electrolytic capacitor paper Download PDFInfo
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- CN108004827A CN108004827A CN201810006304.7A CN201810006304A CN108004827A CN 108004827 A CN108004827 A CN 108004827A CN 201810006304 A CN201810006304 A CN 201810006304A CN 108004827 A CN108004827 A CN 108004827A
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- beating degree
- sisal hemp
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- 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
- D21F11/08—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 paper or board consisting of two or more layers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/02—Methods of beating; Beaters of the Hollander type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/303—Double disc mills
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
-
- 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
- D21H21/14—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 characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
The present invention relates to a kind of electrolytic capacitor paper and preparation method thereof.A kind of pressure resistant type electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper are made of low beating degree sisal hemp pulp and high beating degree sisal hemp pulp, and the mass ratio of low beating degree sisal hemp pulp and high beating degree sisal hemp pulp is 20~40:80~60；20~60 ° of SR of beating degree of low beating degree sisal hemp pulp, 2~16g of weight in wet base, beating degree 60~98 ° of SR, 2~10g of weight in wet base of high beating degree sisal hemp pulp；Raw paper pulp by double cylinder formings and for composite, squeezing, it is dry after in page surface applied coating solution, coating weight is 0.2~1.2g/m2, coating fluid is nano-cellulose and carboxy-modified PVA, and the mass ratio of nano-cellulose and carboxy-modified PVA are 4:3~1：10.Electrolytic capacitor paper of the present invention has preferable intensity, good water absorbing properties, good loss value, excellent proof voltage energy, and withstand voltage value adds more than 80V.
Description
Technical field
The present invention relates to a kind of preparation method of electrolytic capacitor paper.
Background technology
Electrolytic capacitor paper is to prepare one of critical material of electrolytic capacitor, and main function is the moon in isolating capacitor
Pole and anode, absorb and keep electrolyte, also referred to as barrier paper.
Electrolytic capacitor paper had both belonged to speciality paper category, fell within electronic component, therefore, different from general paper, electricity
Electrolytic capacitor paper has following requirement：(1) purity is high, and the impurity for influencing electrolyte and electrode foil performance will be controlled strictly；(2)
Papery is uniform, and thickness and tightness are homogeneous, and fiber alignment uniformly, while will be unable to the paper defects such as hole and fibre bundle；(3) have
Necessary electrical strength and mechanical strength；(4) there are good wellability and retentivity to electrolyte；(5) with electrolyte group
During into complex, there is low resistance.
Electrolytic capacitor paper requires high withstand voltage value, and withstand voltage value is too low, and capacitor is easily breakdown and damages.
Under normal circumstances, in order to improve the withstand voltage value of electrolytic capacitor paper, the tightness and thickness of electrolytic capacitor paper, but this can be improved
Sample can cause the loss of electrolytic capacitor paper to increase, and cause the increase of component power consumption, caloric value increase, has shortened making for instrument
Use the service life.Therefore, it is necessary to improve the withstand voltage value of low tightness electrolytic capacitor paper, while loss will not also substantially increase.
For this problem, there is not preferable solution method also at present.
The content of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of on-line coater to prepare pressure resistant type electrolytic capacitor
The method of paper.
To achieve these goals, the present invention uses following technical scheme：
A kind of method that on-line coater prepares pressure resistant type electrolytic capacitor paper, this method comprise the following steps：
1) jute pulp is added be made after water 2~5% mass concentration original slurry material；
2) original slurry material is obtained into mass concentration 2~5%, 20~60 ° of SR of beating degree, weight in wet base 2 by beater or fiberizer
The low beating degree sisal hemp pulp of~16g, and mass concentration 2~5%, 60~98 ° of SR of beating degree, the high beating degree of 2~10g of weight in wet base
Sisal hemp pulp；Low beating degree sisal hemp pulp：The mass ratio of high beating degree sisal hemp pulp is 20~40:80~60；
3) low beating degree sisal hemp pulp and high beating degree sisal hemp pulp are for composite through double cylinders, it is compound after by drying；It is dry
Dip-coating in machine afterwards, coating fluid mass percent concentration are 1.5~3.5%, and the coating weight of coating fluid is 0.2~1.2g/m2, coating
Liquid is nano-cellulose and carboxy-modified PVA, and the mass ratio of nano-cellulose and carboxy-modified PVA are 7:3~1：10；
4) drying, press polish and batch to obtain body paper, body paper obtains electrolytic capacitor paper after cutting.
Preferably, the jute pulp include sisal hemp pulp, manila pulp, jute slurry, Chinese jute pulp, flax pulp, wild goose latex,
Pineapple leaves are starched and the one or more in wingceltis latex.
Preferably, beating degree 40~50 ° of SR, 8~11g of weight in wet base of the low beating degree sisal hemp pulp；High beating degree sword
Beating degree 90~98 ° of SR, 5~6.5g of weight in wet base of jute pulp.
Preferably, the coating solution amount is 0.4~0.8g/m2。
Preferably, the nano-cellulose and the mass ratio of carboxy-modified PVA are 2:8~1：9.
Preferably, the low beating degree sisal hemp pulp is beaten in hollander by free type,
High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten.
The present invention is as a result of above-mentioned technical solution, production and on-line coater by body paper, the resistance to high electricity of acquisition
Piezoelectricity electrolytic capacitor paper, and have preferable intensity, good water absorbing properties, good loss value, excellent proof voltage energy, it is resistance to
Magnitude of voltage adds more than 80V.
Embodiment
Reference example 1
Low beating degree sisal hemp pulp：20 parts
High beating degree sisal hemp pulp：80 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 40 ° of SR, 10g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 90 ° of SR, 5.6g, and low beating degree sisal hemp pulp is beaten by free type in hollander and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
By double cylinder formings and for composite, drying, press polish, batch and obtain finished product after cutting, its quantification of 30g/m2。
Reference example 2
Low beating degree sisal hemp pulp：30 parts
High beating degree manila pulp：70 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 48 ° of SR, 8.6g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 90 ° of SR, 5.6g, and low beating degree sisal hemp pulp is beaten by free type in hollander and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
By double cylinder formings and for composite, drying, press polish, batch and obtain finished product after cutting, its quantification of 30g/m2。
Embodiment 1
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree and high beating degree
Sisal hemp pulp forms：
Low beating degree sisal hemp pulp：20 parts
High beating degree sisal hemp pulp：80 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 40 ° of SR, 10g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 90 ° of SR, 5.6g, and low beating degree sisal hemp pulp is beaten by free type in hollander and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
By double cylinder formings and for composite, it is dry after dip-coating nano-cellulose and carboxy-modified PVA in machine, coating fluid concentration 2%,
Coating weight 0.4g/m2, after coating through drying, press polish, batch and obtain finished product after cutting, its quantification of 30g/m2.In coating fluid,
Nano-cellulose：Carboxy-modified PVA=1:9.
Embodiment 2
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree and high beating degree
Sisal hemp pulp forms：
Low beating degree sisal hemp pulp：20 parts
High beating degree sisal hemp pulp：80 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 48 ° of SR, 9.6g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 92 ° of SR, 5.4g, and low beating degree sisal hemp pulp is beaten by free type in hollander and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
By double cylinder formings and for composite, it is dry after dip-coating nano-cellulose and carboxy-modified PVA in machine, coating fluid concentration 2%,
Coating weight 0.4g/m2, after coating through drying, press polish, batch and obtain finished product after cutting, its quantification of 30g/m2.In coating fluid,
Nano-cellulose：Carboxy-modified PVA=2:8.
Embodiment 3
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree and high beating degree
Sisal hemp pulp forms：
Low beating degree sisal hemp pulp：30 parts
High beating degree sisal hemp pulp：70 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 40 ° of SR, 9.5g, the beating degree of high beating degree sisal hemp pulp and
Weight in wet base is respectively 95 ° of SR, 5.2g, and low beating degree sisal hemp pulp is beaten by free type in hollander and carried out, and mashing is dense
Degree 2.5%.High beating degree sisal hemp pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.After the completion of mashing,
By double cylinder formings and for composite, it is dry after dip-coating nano-cellulose and carboxy-modified PVA in machine, coating fluid concentration 2%,
Coating weight 0.4g/m2, after coating through drying, press polish, batch and obtain finished product after cutting, its quantification of 30g/m2.In coating fluid,
Nano-cellulose：Carboxy-modified PVA=2:8.
Embodiment 4
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating manila pulp forms：
Low beating degree sisal hemp pulp：30 parts
High beating degree manila pulp：70 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 40 ° of SR, 10g, the mashing of high beating degree manila pulp
Degree and weight in wet base are respectively 90 ° of SR, 6.0g, and low beating degree sisal hemp pulp is beaten by free type in hollander and carried out, beaten
Starch concentration 2.5%.High beating degree manila pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.Beat
After the completion of slurry, pass through double cylinder formings and for composite, dip-coating nano-cellulose and carboxy-modified PVA, coating in machine after drying
Liquid concentration 2.5%, coating weight 0.6g/m2, after coating through drying, press polish, batch and obtain finished product after cutting, its quantification of 30g/
m2.In coating fluid, nano-cellulose：Carboxy-modified PVA=1:9.
Embodiment 5
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating manila pulp forms：
Low beating degree sisal hemp pulp：30 parts
High beating degree manila pulp：70 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 45 ° of SR, 9.6g, the mashing of high beating degree manila pulp
Degree and weight in wet base are respectively 92 ° of SR, 5.8g, and low beating degree sisal hemp pulp is beaten by free type in hollander and carried out, beaten
Starch concentration 2.5%.High beating degree manila pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.Beat
After the completion of slurry, pass through double cylinder formings and for composite, dip-coating nano-cellulose and carboxy-modified PVA, coating in machine after drying
Liquid concentration 2.5%, coating weight 0.6g/m2, after coating through drying, press polish, batch and obtain finished product after cutting, its quantification of 30g/
m2.In coating fluid, nano-cellulose：Carboxy-modified PVA=2:8.
Embodiment 6
A kind of high pressure resistant electrolytic capacitor paper, the raw paper pulp of the electrolytic capacitor paper is by low beating degree sisal hemp pulp and skyer
Degree of beating manila pulp forms：
Low beating degree sisal hemp pulp：40 parts
High beating degree manila pulp：60 parts
The beating degree and weight in wet base of low beating degree sisal hemp pulp are respectively 48 ° of SR, 9.5g, the mashing of high beating degree manila pulp
Degree and weight in wet base are respectively 95 ° of SR, 5.5g, and low beating degree sisal hemp pulp is beaten by free type in hollander and carried out, beaten
Starch concentration 2.5%.High beating degree manila pulp grinds defibrination mode by 3 double plates and is beaten, beating consistency 3.5%.Beat
After the completion of slurry, pass through double cylinder formings and for composite, dip-coating nano-cellulose and carboxy-modified PVA, coating in machine after drying
Liquid concentration 3%, coating weight 0.8g/m2, after coating through drying, press polish, batch and obtain finished product after cutting, its quantification of 30g/m2。
In coating fluid, nano-cellulose：Carboxy-modified PVA=7:3.
The test data of above-mentioned each electrolytic capacitor paper is as follows：
Claims (6)
1. a kind of method that on-line coater prepares pressure resistant type electrolytic capacitor paper, it is characterised in that this method includes following step
Suddenly：
1) jute pulp is added be made after water 2~5% mass concentration original slurry material；
2) original slurry material is obtained into mass concentration 2~5%, 20~60 ° of SR of beating degree, 2~16g of weight in wet base by beater or fiberizer
Low beating degree sisal hemp pulp, and mass concentration 2~5%, 60~98 ° of SR of beating degree, the high beating degree sisal hemp of 2~10g of weight in wet base
Slurry；Low beating degree sisal hemp pulp：The mass ratio of high beating degree sisal hemp pulp is 20~40:80~60；
3) low beating degree sisal hemp pulp and high beating degree sisal hemp pulp are for composite through double cylinders, it is compound after by drying；Machine after drying
Interior dip-coating, coating fluid mass percent concentration are 1.5~3.5%, and the coating weight of coating fluid is 0.2~1.2g/m2, coating fluid is
The mass ratio of nano-cellulose and carboxy-modified PVA, nano-cellulose and carboxy-modified PVA are 7:3~1：10；
4) drying, press polish and batch to obtain body paper, body paper obtains electrolytic capacitor paper after cutting.
2. the method that a kind of on-line coater according to claim 1 prepares pressure resistant type electrolytic capacitor paper, it is characterised in that
Jute pulp includes one in sisal hemp pulp, manila pulp, jute slurry, Chinese jute pulp, flax pulp, wild goose latex, pineapple leaves slurry and wingceltis latex
Kind is several.
3. the method that a kind of on-line coater according to claim 1 prepares pressure resistant type electrolytic capacitor paper, it is characterised in that
Beating degree 40~50 ° of SR, 8~11g of weight in wet base of low beating degree sisal hemp pulp；Beating degree 90~98 ° of SR of high beating degree sisal hemp pulp are wet
Weigh 5~6.5g.
4. the method that a kind of on-line coater according to claim 1 prepares pressure resistant type electrolytic capacitor paper, it is characterised in that
Coating solution amount is 0.4~0.8g/m2。
5. the method that a kind of on-line coater according to claim 1 prepares pressure resistant type electrolytic capacitor paper, it is characterised in that
The mass ratio of nano-cellulose and carboxy-modified PVA are 2:8~1：9.
6. the method that a kind of on-line coater according to claim 1 prepares pressure resistant type electrolytic capacitor paper, it is characterised in that
Low beating degree sisal hemp pulp is beaten in hollander by free type, and high beating degree sisal hemp pulp is double by 3
Mill defibrination mode is beaten.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577102A (en) * | 2018-12-19 | 2019-04-05 | 浙江莱勒克纸业有限公司 | A kind of electrolytic capacitor paper and preparation method thereof |
| CN109722945A (en) * | 2018-11-30 | 2019-05-07 | 山东鲁南新材料股份有限公司 | The resistance to breakdown combined electrolysis kraft capacitor paper of one kind and its production method |
| CN111809433A (en) * | 2019-04-11 | 2020-10-23 | 中国制浆造纸研究院有限公司 | Low-sodium ion content insulating paper for extra-high voltage transformer and manufacturing method thereof |
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| 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 |
| CN105064123A (en) * | 2015-08-07 | 2015-11-18 | 成都易胜科生物科技有限公司 | Multilayer structure electrolytic capacitor paper and preparation method of electrolytic capacitor paper |
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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 |
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| CN109577102B (en) * | 2018-12-19 | 2021-03-16 | 浙江莱勒克纸业有限公司 | Electrolytic capacitor paper and preparation method thereof |
| CN111809433A (en) * | 2019-04-11 | 2020-10-23 | 中国制浆造纸研究院有限公司 | Low-sodium ion content insulating paper for extra-high voltage transformer and manufacturing method thereof |
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Application publication date: 20180508 |