CN106519589B - A kind of high-temperature resistant membrane capacitor basement membrane and preparation method thereof - Google Patents
A kind of high-temperature resistant membrane capacitor basement membrane and preparation method thereof Download PDFInfo
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- CN106519589B CN106519589B CN201610945020.5A CN201610945020A CN106519589B CN 106519589 B CN106519589 B CN 106519589B CN 201610945020 A CN201610945020 A CN 201610945020A CN 106519589 B CN106519589 B CN 106519589B
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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
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- 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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Abstract
The invention discloses a kind of high-temperature resistant membrane capacitor basement membranes, belong to electronic component technology field, are specifically made of following substance：Polyester, modified kaolin, phenolic resin, bisphenol A type epoxy resin, nano silicon dioxide, nanometer boron fibre, methyl methacrylate, polystyrene, propylgallate, propylene glycol monomethyl ether, ultra-violet absorber, antioxidant；The modified kaolin is made of following substance：Kaolin, calcium stearate, neutral dinonyl naphthalene sulfonate barium, methyl triacetoxysilane, zirconium dioxide, ethyl cellulose.Each material composition collocation of the present invention is reasonable, improves the stretch-proof characteristic and high-temperature stability of made basement membrane very well, improves the stability used and duration, can the service life of capacitor be extended 15% or more, there is good popularizing value.
Description
Technical field
The invention belongs to electronic component technology fields, 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 is excellent (frequency response 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 foil, will
Itself and poly- ethyl ester, polypropylene, the plastic-based films such as polystyrene or makrolon after being overlapped from both ends, are wound into cylindric structure
The capacitor made；In all plastic film capacitances, the spy of polypropylene (PP) capacitance and polystyrene (PS) capacitance
Property is the most notable, and capacitor made from polypropylene film is low with its percent thermal shrinkage, performance is stable, high temperature resistant, high pressure resistant, prevents from hitting
Wear equal remarkable advantages so that the use scope of capacitor made from 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 that can bear a kind of macromolecule of heavy current impact
Polypropylene screen makees medium, just can guarantee that complete machine works steadily in the long term.
Thin film capacitor is under the conditions of high frequency or high impulse in use, can make capacitor certainly by the pulse current of capacitor
Body generates heat and heats up, and leads to problems such as self-healing point increase, reduce pressure, the lost of life.The polyester of majority thin film capacitor at present
Basement membrane temperature-resistance characteristic is general, and then affects the service life of capacitor.
Invention content
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 of the substance of following parts by weight：
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 of nano silicon dioxides, 4 ~ 8 parts of nanometer boron fibres, 1 ~ 2 part of methyl methacrylate, 10 ~ 15 parts of polystyrene, 1 ~ 3 part do not eat
Sub- propyl propionate, 2 ~ 3 parts of propylene glycol monomethyl ethers, 1 ~ 2 part of ultra-violet absorber, 1 ~ 2 part of antioxidant；The modified kaolin by weighing as follows
The substance of amount 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 first
Base triacetoxysilane, 3 ~ 6 parts of zirconium dioxides, 4 ~ 7 parts of ethyl celluloses.
Preferably, it is made of the substance of following parts by weight：
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 nanometer titanium dioxides
Silicon, 6 parts of nanometer boron fibres, 2 parts of methyl methacrylates, 13 parts of polystyrene, 2 portions of propylgallates, 2 parts of propylene glycol first
Ether, 1.5 parts of ultra-violet absorbers, 1.5 parts of antioxidant；The modified kaolin is made of the substance of following parts by weight：110 parts of height
Ridge soil, 8 parts of calcium stearates, 4 parts of neutral dinonyl naphthalene sulfonate bariums, 3 parts of methyl triacetoxysilanes, 5 parts of zirconium dioxides, 6 parts
Ethyl cellulose.
Further, the preparation method of the modified kaolin includes the following steps：
（1）Kaolin is put into 1 ~ 2h of immersion treatment in the phosphoric acid solution that mass fraction is 5%, quality is placed into after taking-up
1 ~ 2h of immersion treatment in the sodium hydroxide solution that score is 8%, finally taking-up is rinsed well rear spare with deionized water；
（2）By step（1）It is taken after 2 ~ 3h of calcination processing under conditions of kaolin is put into temperature that treated is 880 ~ 920 DEG C
Go out, cooled to room temperature is spare；
（3）By step（2）The same calcium stearate of kaolin, neutral dinonyl naphthalene sulfonate barium after calcination processing, three second of methyl
Acyloxy silane, zirconium dioxide, ethyl cellulose are jointly after mixing, and it is 75 ~ 80 DEG C to keep environment temperature, after constantly grinding
Cross 500 mesh.After carrying out soda acid processing, calcination processing to kaolin, specific surface area gets a promotion, absorption property enhancing,
Temperature-resistance characteristic improves, compatibility height, the good dispersion of the kaolin after modification and remaining ingredient, cooperation nanometer boron fibre
Addition can cooperate with the temperature-resistance characteristic for improving basement membrane, while can enhance the low temperature partial discharge performance of capacitor again.
Further, the ultra-violet absorber be septichen phenyl ester, ESCALOL 567,
Any one in 2-hydroxy-4-n-octoxybenzophenone.
Further, the antioxidant is any one in antioxidant 1076, antioxidant 164, anti-oxidant DLTP.
A kind of preparation method of high-temperature resistant membrane capacitor basement membrane, specially：Each material component is uniformly mixed jointly, is squeezed
Go out plasticizing, using lower blowing method, blow moulding machine Blown Film is added, control 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：Mold connects 150 ~ 160 DEG C of neck, 150 ~ 165 DEG C of molding die；
It is 2 ~ 3 to control blow-up ratio.
The present invention has the advantages that：
The present invention, for main material composition, is aided with kaolin, phenolic resin, bisphenol A type epoxy resin, nanometer two with polyester
The ingredients such as silica, nanometer boron fibre, methyl methacrylate change on the basis of giving full play to polyester film advantageous properties
The stretch-proof characteristic and high-temperature stability of made basement membrane have been apt to it, have improved the stability used and duration, capacitor can have been made
Extend 15% or more with the service life, there is good popularizing value.
Specific implementation mode
Embodiment 1
A kind of high-temperature resistant membrane capacitor basement membrane, is made of the substance of following parts by weight：
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 nanometer titanium dioxides
Silicon, 4 parts of nanometer boron fibres, 1 part of methyl methacrylate, 10 parts of polystyrene, 3 portions of propylgallates, 2 parts of propylene glycol first
Ether, 1 part of ultra-violet absorber, 1 part of antioxidant；The modified kaolin is made of the substance of following parts by weight：100 parts of kaolinites
Soil, 5 parts of calcium stearates, 3 parts of neutral dinonyl naphthalene sulfonate bariums, 2 parts of methyl triacetoxysilanes, 3 parts of zirconium dioxides, 5 parts of second
Base cellulose.
Further, the preparation method of the modified kaolin includes the following steps：
（1）Kaolin is put into immersion treatment 2h in the phosphoric acid solution that mass fraction is 5%, quality point is placed into after taking-up
Number is immersion treatment 2h in 8% sodium hydroxide solution, and finally taking-up is rinsed well rear spare with deionized water；
（2）By step（1）It is taken out after calcination processing 2h under conditions of kaolin is put into temperature that treated is 880 DEG C, from
It is so cooled to room temperature spare；
（3）By step（2）The same calcium stearate of kaolin, neutral dinonyl naphthalene sulfonate barium after calcination processing, three second of methyl
Acyloxy silane, zirconium dioxide, ethyl cellulose are jointly after mixing, and it is 78 DEG C to keep environment temperature, mistake after constantly grinding
500 mesh.
Further, the ultra-violet absorber is septichen phenyl ester.
Further, the antioxidant is antioxidant 1076.
A kind of preparation method of high-temperature resistant membrane capacitor basement membrane, specially：Each material component is uniformly mixed jointly, is squeezed
Go out plasticizing, using lower blowing method, blow moulding machine Blown Film is added, control 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：Mold connects 150 ~ 153 DEG C of neck, 162 ~ 165 DEG C of molding die；
It is 3 to control blow-up ratio.
Embodiment 2
A kind of high-temperature resistant membrane capacitor basement membrane, is made of the substance of following parts by weight：
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 nanometer titanium dioxides
Silicon, 6 parts of nanometer boron fibres, 2 parts of methyl methacrylates, 13 parts of polystyrene, 2 portions of propylgallates, 2 parts of propylene glycol first
Ether, 1.5 parts of ultra-violet absorbers, 1.5 parts of antioxidant；The modified kaolin is made of the substance of following parts by weight：110 parts of height
Ridge soil, 8 parts of calcium stearates, 4 parts of neutral dinonyl naphthalene sulfonate bariums, 3 parts of methyl triacetoxysilanes, 5 parts of zirconium dioxides, 6 parts
Ethyl cellulose.Remaining method and step is same as Example 1.
Comparative example 1
This comparative example 1 compared with Example 1, is not modified processing to kaolin, that is, the common of mass parts such as uses
Kaolin replaces modified kaolin, method and step all same in addition to this.
Comparative example 2
This comparative example 2 compared with Example 2, does not add a nanometer boron fibre ingredient, and method and step in addition to this is homogeneous
Together.
Control group
The existing commercially available common beautiful C60 polyester films in east.
In order to compare effect of the present invention, performance detection is carried out to the film basement membrane described in above-mentioned five kinds of modes, it is specific to compare
Data are as shown in table 1 below：
Table 1
| Lateral 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 |
| Control group | 0.2 | 230 | 210 |
Note：Lateral percent thermal shrinkage described in upper table is the cross surveyed when corresponding film is put into standing 20min at 300 DEG C
To percent thermal shrinkage.
By upper table it can be found that the heat-resistant quality of the capacitor basement membrane obtained by the present invention is more preferable, stretch-proof characteristic is more excellent
It is different.
In order to further compare the use characteristic of film basement membrane of the present invention, by the film system corresponding with control group of embodiment 2
It at the identical capacitor of specification in addition to film, is found in carrying out life test, 2 corresponding capacitor life-span of embodiment is
1.16 ~ 1.22 times of control group.
Claims (6)
1. a kind of high-temperature resistant membrane capacitor basement membrane, which is characterized in that be made of the substance of following parts by weight：
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 dioxide, 4 ~ 8 parts of nanometer boron fibres, 1 ~ 2 part of methyl methacrylate, 10 ~ 15 parts of polystyrene, 1 ~ 3 part of nutgall
Propyl propionate, 2 ~ 3 parts of propylene glycol monomethyl ethers, 1 ~ 2 part of ultra-violet absorber, 1 ~ 2 part of antioxidant；The modified kaolin is by following weight
The substance 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, which is characterized in that by the object of following parts by weight
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 silicon dioxides, 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 ultra-violet absorber, 1.5 parts of antioxidant；The modified kaolin is made of the substance of following parts by weight：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 or 2, which is characterized in that the modified kaolinite
The preparation method of soil includes the following steps：
（1）Kaolin is put into 1 ~ 2h of immersion treatment in the phosphoric acid solution that mass fraction is 5%, mass fraction is placed into after taking-up
For 1 ~ 2h of immersion treatment in 8% sodium hydroxide solution, finally taking-up is rinsed well rear spare with deionized water；
（2）By step（1）It is taken out after 2 ~ 3h of calcination processing under conditions of kaolin is put into temperature that treated is 880 ~ 920 DEG C,
Cooled to room temperature is spare；
（3）By step（2）The same calcium stearate of kaolin, neutral dinonyl naphthalene sulfonate barium, methyl triacetyl oxygen after calcination processing
Base silane, zirconium dioxide, ethyl cellulose are jointly after mixing, and it is 75 ~ 80 DEG C to keep environment temperature, mistake after constantly grinding
500 mesh.
4. a kind of high-temperature resistant membrane capacitor basement membrane according to claim 1 or 2, which is characterized in that the ultraviolet light is inhaled
Receipts agent is in septichen phenyl ester, ESCALOL 567,2-hydroxy-4-n-octoxybenzophenone
Any one.
5. a kind of high-temperature resistant membrane capacitor basement membrane according to claim 1 or 2, which is characterized 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, which is characterized in that specific
For：Each material component is uniformly mixed jointly, extrusion plasticizing, using lower blowing method, blow moulding machine Blown Film is added, controls specific 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：Mold connects
150 ~ 160 DEG C of neck, 150 ~ 165 DEG C of molding die；It is 2 ~ 3 to control blow-up ratio.
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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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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 |
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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 |
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