CN106519589A - High-temperature resistant thin film capacitor basal film and preparation method thereof - Google Patents
High-temperature resistant thin film capacitor basal film and preparation method thereof Download PDFInfo
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- CN106519589A CN106519589A CN201610945020.5A CN201610945020A CN106519589A CN 106519589 A CN106519589 A CN 106519589A CN 201610945020 A CN201610945020 A CN 201610945020A CN 106519589 A CN106519589 A CN 106519589A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Manufacturing & Machinery (AREA)
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- Materials Engineering (AREA)
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Abstract
The invention discloses a high-temperature resistant thin film capacitor basal film and belongs to the technical field of electronic elements. The high-temperature resistant thin film capacitor basal film is specifically prepared from polyester, modified kaolin, phenolic resin, bisphenol A-type epoxy resin, nano silica, nano boron fibers, methyl methacrylate, polystyrene, propylgallate, propylene glycol methyl ether, UV absorbers and antioxidants. The modified kaolin is made of kaolin, calcium stearate, neutral dinonyl-naphthalenesulfonic acid barium salt, methyl 3 acetoxyl silane, zirconium dioxide and ethyl cellulose. All material components are matched reasonably, the stretch-proof performance and high-temperature resistance of the prepared basal film are well improved, the using stability is improved, the using duration is prolonged, the service life of a capacitor can be prolonged by 15% or more, and the high-temperature resistant thin film capacitor basal film has great application and popularization value.
Description
Technical field
The invention belongs to electronic component technology field, and in particular to a kind of high-temperature resistant membrane capacitor basement membrane and its preparation side
Method.
Background technology
Thin film capacitor due to nonpolarity, insulation impedance is very high, frequency characteristic excellent (frequency response is broad), and
The good characteristics such as dielectric loss very little and be widely used on analog circuit.Thin film capacitor is to work as electrode with metal forming, will
The plastic-based film such as itself and poly- ethyl ester, polypropylene, polystyrene or Merlon, after overlapping from two ends, is wound into the structure of cylindrical shape
The capacitor made；In the middle of all of plastic sheeting electric capacity, the spy of polypropylene (PP) electric capacity and polystyrene (PS) electric capacity
Property is the most notable, and capacitor obtained in polypropylene film is so that its percent thermal shrinkage is low, stable performance, high temperature resistant, high pressure resistant, prevents from hitting
The remarkable advantage such as wear so that the use range of capacitor obtained in polypropylene film is more and more wider.Capacitor core is capacitor
Heart, therefore capacitor manufacture fuse material must have high frequency tolerant, high temperature resistant can bear a kind of macromolecule of heavy current impact
Polypropylene screen makees medium, just can guarantee that whole machine is worked steadily in the long term.
When thin film capacitor is used under the conditions of high frequency or high impulse, capacitor can be made certainly by the pulse current of capacitor
Body generates heat and heats up, the problems such as cause the increase of spontaneous recovery point, pressure reduction, the lost of life.The polyester of current majority thin film capacitors
Basement membrane temperature-resistance characteristic is general, and then have impact on the service life of capacitor.
The content of the invention
The present invention is intended to provide a kind of high-temperature resistant membrane capacitor basement membrane and preparation method thereof.
The present invention is achieved through the following technical solutions：
A kind of high-temperature resistant membrane capacitor basement membrane, is made up of the material of following weight portion：
150 ~ 170 parts of polyester, 15 ~ 20 parts of modified kaolins, 5 ~ 7 parts of phenolic resin, 4 ~ 6 parts of bisphenol A type epoxy resins, 3 ~ 5 parts
Nano silicon, 4 ~ 8 parts of nanometer boron fibres, 1 ~ 2 part of methyl methacrylate, 10 ~ 15 parts of polystyrene, 1 ~ 3 part of Galla Turcica (Galla Helepensis)
Propyl propionate, 2 ~ 3 parts of propylene glycol monomethyl ethers, 1 ~ 2 part of UV absorbent, 1 ~ 2 part of antioxidant；The modified kaolin is by following weight
The material of part is made：100 ~ 120 parts of Kaolin, 5 ~ 10 parts of calcium stearates, 3 ~ 5 parts of neutral dinonyl naphthalene sulfonate bariums, 2 ~ 4 parts of methyl
Triacetoxysilane, 3 ~ 6 parts of zirconium dioxides, 4 ~ 7 parts of ethyl celluloses.
Preferably, it is made up of the material of following weight portion：
160 parts of polyester, 18 parts of modified kaolins, 6 parts of phenolic resin, 5 parts of bisphenol A type epoxy resins, 4 parts of nano silicons, 6
Part nanometer boron fibre, 2 parts of methyl methacrylates, 13 parts of polystyrene, 2 portions of propylgallates, 2 parts of propylene glycol monomethyl ethers, 1.5
Part UV absorbent, 1.5 parts of antioxidant；The modified kaolin is made up of the material of following weight portion：110 parts of Kaolin, 8
Part calcium stearate, 4 parts of neutral dinonyl naphthalene sulfonate bariums, 3 parts of methyl triacetoxysilanes, 5 parts of zirconium dioxides, 6 parts of ethyl fibres
Dimension element.
Further, the preparation method of the modified kaolin comprises the steps：
（1）Kaolin is put into into 1 ~ 2h of immersion treatment in the phosphoric acid solution that mass fraction is 5%, mass fraction after taking-up, is placed into
For 1 ~ 2h of immersion treatment in 8% sodium hydroxide solution, finally take out standby after deionized water is rinsed well；
（2）By step（1）Kaolin after process is put into temperature to take out after 2 ~ 3h of calcination processing under conditions of 880 ~ 920 DEG C,
Naturally cool to room temperature standby；
（3）By step（2）The same calcium stearate of Kaolin, neutral dinonyl naphthalene sulfonate barium after calcination processing, methyl triacetyl oxygen
After base silane, zirconium dioxide, ethyl cellulose mix jointly, ambient temperature is kept to be 75 ~ 80 DEG C, mistake after constantly grinding
500 mesh.Kaolin is carried out after acid-alkali treatment, calcination processing, its specific surface area gets a promotion, absorption property strengthens, resistance to
Temperature characteristics are improved, and the Kaolin after modification is high with the compatibility of remaining composition, good dispersion, coordinates adding for nanometer boron fibre
Plus, the temperature-resistance characteristic for improving basement membrane can be cooperateed with, while and the low temperature partial discharge performance of capacitor can be strengthened.
Further, the UV absorbent be oxybenzoic acid phenyl ester, ESCALOL 567,
Any one in Octabenzone.
Further, the antioxidant be antioxidant 1076, any one in antioxidant 164, anti-oxidant DLTP.
A kind of preparation method of high-temperature resistant membrane capacitor basement membrane, specially：By each material component common mix homogeneously, squeeze
Go out plasticizing, using lower blowing method, add blow moulding machine Blown Film, controlling specific process parameter is：Machine barrel：130 ~ 140 DEG C of charging zone,
145 ~ 155 DEG C of plasticizing zone, 155 ~ 165 DEG C of homogenization zone；Auxiliary region：Mould 150 ~ 160 DEG C of neck of connection, 150 ~ 165 DEG C of mould；
Blow-up ratio is controlled for 2 ~ 3.
The present invention has the advantages that：
The present invention is aided with Kaolin, phenolic resin, bisphenol A type epoxy resin, nanometer titanium dioxide with polyester as main material composition
The compositions such as silicon, nanometer boron fibre, methyl methacrylate, on the basis of mylar advantageous properties are given full play to, improve
The stretch-proof characteristic of made basement membrane and high-temperature stability, improve the stability and duration for using, can be by the use longevity of capacitor
Life extends more than 15%, has good popularizing value.
Specific embodiment
Embodiment 1
A kind of high-temperature resistant membrane capacitor basement membrane, is made up of the material of following weight portion：
150 parts of polyester, 15 parts of modified kaolins, 5 parts of phenolic resin, 6 parts of bisphenol A type epoxy resins, 5 parts of nano silicons, 4
Part nanometer boron fibre, 1 part of methyl methacrylate, 10 parts of polystyrene, 3 portions of propylgallates, 2 parts of propylene glycol monomethyl ethers, 1 part
UV absorbent, 1 part of antioxidant；The modified kaolin is made up of the material of following weight portion：100 parts of Kaolin, 5 parts it is hard
Fat acid calcium, 3 parts of neutral dinonyl naphthalene sulfonate bariums, 2 parts of methyl triacetoxysilanes, 3 parts of zirconium dioxides, 5 parts of ethyl celluloses.
Further, the preparation method of the modified kaolin comprises the steps：
（1）Kaolin is put into into immersion treatment 2h in the phosphoric acid solution that mass fraction is 5%, mass fraction is placed into after taking-up is
Immersion treatment 2h in 8% sodium hydroxide solution, finally takes out standby after deionized water is rinsed well；
（2）By step（1）Kaolin after process is put into temperature to take out after calcination processing 2h under conditions of 880 DEG C, naturally cold
But it is standby to room temperature；
（3）By step（2）The same calcium stearate of Kaolin, neutral dinonyl naphthalene sulfonate barium after calcination processing, methyl triacetyl oxygen
After base silane, zirconium dioxide, ethyl cellulose mix jointly, keep ambient temperature to be 78 DEG C, after constantly grinding, cross 500 mesh
.
Further, the UV absorbent is oxybenzoic acid phenyl ester.
Further, the antioxidant is antioxidant 1076.
A kind of preparation method of high-temperature resistant membrane capacitor basement membrane, specially：By each material component common mix homogeneously, squeeze
Go out plasticizing, using lower blowing method, add blow moulding machine Blown Film, controlling specific process parameter is：Machine barrel：130 ~ 133 DEG C of charging zone,
152 ~ 155 DEG C of plasticizing zone, 155 ~ 158 DEG C of homogenization zone；Auxiliary region：Mould 150 ~ 153 DEG C of neck of connection, 162 ~ 165 DEG C of mould；
Blow-up ratio is controlled for 3.
Embodiment 2
A kind of high-temperature resistant membrane capacitor basement membrane, is made up of the material of following weight portion：
160 parts of polyester, 18 parts of modified kaolins, 6 parts of phenolic resin, 5 parts of bisphenol A type epoxy resins, 4 parts of nano silicons, 6
Part nanometer boron fibre, 2 parts of methyl methacrylates, 13 parts of polystyrene, 2 portions of propylgallates, 2 parts of propylene glycol monomethyl ethers, 1.5
Part UV absorbent, 1.5 parts of antioxidant；The modified kaolin is made up of the material of following weight portion：110 parts of Kaolin, 8
Part calcium stearate, 4 parts of neutral dinonyl naphthalene sulfonate bariums, 3 parts of methyl triacetoxysilanes, 5 parts of zirconium dioxides, 6 parts of ethyl fibres
Dimension element.Remaining method and step is same as Example 1.
Comparative example 1
This comparative example 1 is modified process compared with Example 1, not to Kaolin, i.e., with etc. mass parts common kaolinite
Soil replaces modified kaolin, method and step all same in addition.
Comparative example 2
This comparative example 2 compared with Example 2, without nanometer boron fibre composition, method and step all same in addition.
Matched group
Existing commercially available common eastern beautiful C60 mylars.
In order to contrast effect of the present invention, performance detection is carried out to the thin film basement membrane described in above-mentioned five kinds of modes, it is concrete to contrast
Data are as shown in table 1 below：
Table 1
| Horizontal percent thermal shrinkage（%） | Transverse tensile strength（MPa） | Longitudinal tensile strength（MPa） | |
| Embodiment 1 | 0.06 | 263 | 250 |
| Embodiment 2 | 0.05 | 270 | 256 |
| Comparative example 1 | 0.12 | 255 | 234 |
| Comparative example 2 | 0.14 | 243 | 228 |
| Matched group | 0.2 | 230 | 210 |
Note：The horizontal heat surveyed when being and being put into and stand 20min at 300 DEG C corresponding film by horizontal percent thermal shrinkage described in upper table
Shrinkage factor.
By upper table it is found that the heat-resistant quality of capacitor basement membrane obtained by the present invention more preferably, stretch-proof characteristic is more excellent
It is different.
In order to further contrast the use characteristic of thin film basement membrane of the present invention, by embodiment 2 and the corresponding thin film system of matched group
Into the identical capacitor of specification in addition to thin film, find in life test is carried out, 2 corresponding capacitor life-span of embodiment is
1.16 ~ 1.22 times of matched group.
Claims (6)
1. a kind of high-temperature resistant membrane capacitor basement membrane, it is characterised in that be made up of the material of following weight portion：
150 ~ 170 parts of polyester, 15 ~ 20 parts of modified kaolins, 5 ~ 7 parts of phenolic resin, 4 ~ 6 parts of bisphenol A type epoxy resins, 3 ~ 5 parts
Nano silicon, 4 ~ 8 parts of nanometer boron fibres, 1 ~ 2 part of methyl methacrylate, 10 ~ 15 parts of polystyrene, 1 ~ 3 part of Galla Turcica (Galla Helepensis)
Propyl propionate, 2 ~ 3 parts of propylene glycol monomethyl ethers, 1 ~ 2 part of UV absorbent, 1 ~ 2 part of antioxidant；The modified kaolin is by following weight
The material of part is made：100 ~ 120 parts of Kaolin, 5 ~ 10 parts of calcium stearates, 3 ~ 5 parts of neutral dinonyl naphthalene sulfonate bariums, 2 ~ 4 parts of methyl
Triacetoxysilane, 3 ~ 6 parts of zirconium dioxides, 4 ~ 7 parts of ethyl celluloses.
2. a kind of high-temperature resistant membrane capacitor basement membrane according to claim 1, it is characterised in that by the thing of following weight portion
Matter is made：
160 parts of polyester, 18 parts of modified kaolins, 6 parts of phenolic resin, 5 parts of bisphenol A type epoxy resins, 4 parts of nano silicons, 6
Part nanometer boron fibre, 2 parts of methyl methacrylates, 13 parts of polystyrene, 2 portions of propylgallates, 2 parts of propylene glycol monomethyl ethers, 1.5
Part UV absorbent, 1.5 parts of antioxidant；The modified kaolin is made up of the material of following weight portion：110 parts of Kaolin, 8
Part calcium stearate, 4 parts of neutral dinonyl naphthalene sulfonate bariums, 3 parts of methyl triacetoxysilanes, 5 parts of zirconium dioxides, 6 parts of ethyl fibres
Dimension element.
3. a kind of high-temperature resistant membrane capacitor basement membrane according to claim 1 and 2, it is characterised in that the modified kaolinite
The preparation method of soil comprises the steps：
（1）Kaolin is put into into 1 ~ 2h of immersion treatment in the phosphoric acid solution that mass fraction is 5%, mass fraction after taking-up, is placed into
For 1 ~ 2h of immersion treatment in 8% sodium hydroxide solution, finally take out standby after deionized water is rinsed well；
（2）By step（1）Kaolin after process is put into temperature to take out after 2 ~ 3h of calcination processing under conditions of 880 ~ 920 DEG C,
Naturally cool to room temperature standby；
（3）By step（2）The same calcium stearate of Kaolin, neutral dinonyl naphthalene sulfonate barium after calcination processing, methyl triacetyl oxygen
After base silane, zirconium dioxide, ethyl cellulose mix jointly, ambient temperature is kept to be 75 ~ 80 DEG C, mistake after constantly grinding
500 mesh.
4. a kind of high-temperature resistant membrane capacitor basement membrane according to claim 1 and 2, it is characterised in that the ultraviolet is inhaled
Receipts agent is oxybenzoic acid phenyl ester, ESCALOL 567, in Octabenzone
Any one.
5. a kind of high-temperature resistant membrane capacitor basement membrane according to claim 1 and 2, it is characterised in that the antioxidant is
Any one in antioxidant 1076, antioxidant 164, anti-oxidant DLTP.
6. a kind of preparation method of high-temperature resistant membrane capacitor basement membrane as claimed in claim 1 or 2, it is characterised in that concrete
For：By each material component common mix homogeneously, extrusion plasticizing, using lower blowing method, blow moulding machine Blown Film is added, control concrete work
Skill parameter is：Machine barrel：130 ~ 140 DEG C of charging zone, 145 ~ 155 DEG C of plasticizing zone, 155 ~ 165 DEG C of homogenization zone；Auxiliary region：Mould connects
150 ~ 160 DEG C of neck, 150 ~ 165 DEG C of mould；Blow-up ratio is controlled for 2 ~ 3.
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| CN201610945020.5A CN106519589B (en) | 2016-10-26 | 2016-10-26 | A kind of high-temperature resistant membrane capacitor basement membrane and preparation method thereof |
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| CN201610945020.5A CN106519589B (en) | 2016-10-26 | 2016-10-26 | A kind of high-temperature resistant membrane capacitor basement membrane and preparation method thereof |
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| CN106519589B CN106519589B (en) | 2018-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572155A (en) * | 2020-05-22 | 2020-08-25 | 东莞市东创纸品制造有限公司 | Preparation method of waterproof corrugated board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102597075A (en) * | 2009-10-28 | 2012-07-18 | 帝人杜邦薄膜日本有限公司 | Biaxially oriented film for electrical insulation purposes, and film capacitor produced using biaxially oriented film for electrical insulation purposes |
| CN104151621A (en) * | 2014-07-30 | 2014-11-19 | 安徽状元郎电子科技有限公司 | Special filler for wear-resistant oil-resistant capacitor films and preparation method thereof |
| CN104817825A (en) * | 2015-05-05 | 2015-08-05 | 苏州靖羽新材料有限公司 | Polyester material used for capacitor thin film |
| CN105440450A (en) * | 2015-12-30 | 2016-03-30 | 太仓卡斯特姆新材料有限公司 | BOPP (biaxially-oriented polypropylene) insulating release film |
-
2016
- 2016-10-26 CN CN201610945020.5A patent/CN106519589B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102597075A (en) * | 2009-10-28 | 2012-07-18 | 帝人杜邦薄膜日本有限公司 | Biaxially oriented film for electrical insulation purposes, and film capacitor produced using biaxially oriented film for electrical insulation purposes |
| CN104151621A (en) * | 2014-07-30 | 2014-11-19 | 安徽状元郎电子科技有限公司 | Special filler for wear-resistant oil-resistant capacitor films and preparation method thereof |
| CN104817825A (en) * | 2015-05-05 | 2015-08-05 | 苏州靖羽新材料有限公司 | Polyester material used for capacitor thin film |
| CN105440450A (en) * | 2015-12-30 | 2016-03-30 | 太仓卡斯特姆新材料有限公司 | BOPP (biaxially-oriented polypropylene) insulating release film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572155A (en) * | 2020-05-22 | 2020-08-25 | 东莞市东创纸品制造有限公司 | Preparation method of waterproof corrugated board |
| CN111572155B (en) * | 2020-05-22 | 2022-03-22 | 东莞市东创纸品制造有限公司 | Preparation method of waterproof corrugated board |
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