CN104817825A - Polyester material used for capacitor thin film - Google Patents
Polyester material used for capacitor thin film Download PDFInfo
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- CN104817825A CN104817825A CN201510221814.2A CN201510221814A CN104817825A CN 104817825 A CN104817825 A CN 104817825A CN 201510221814 A CN201510221814 A CN 201510221814A CN 104817825 A CN104817825 A CN 104817825A
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Abstract
The invention discloses a polyester material used for capacitor thin films. The polyester material is prepared from following components, by weight: 100-120 parts of polyester, 20-30 parts of polyimide, 20-30 parts of polytetrafluoroethylene, 1-4 parts of aluminum hydroxide, 5-10 parts of liquid paraffin, 2-8 parts of titanium dioxide, 2-8 parts of glass fibers, 1-4 parts of activated carbon, 0.5-1.8 parts of dibutyl phthalate, 2-6 parts of modified starch and 3-8 parts of a heat-insulating additive. The components of the polyester material used for capacitor thin films achieves a cooperative effect, with the polyester as the main raw material with assistance of the polyimide, the polytetrafluoroethylene, the aluminum hydroxide, the liquid paraffin, the titanium dioxide, the glass fibers, the activated carbon, the dibutyl phthalate, the modified starch and the heat-insulating additive, advantages of the polyester are fully achieved and the polyester material is increased in high-temperature resistance and is prolonged in service life.
Description
Technical field:
The present invention relates to a kind of capacitor film polyester material, belong to electronic component technology field.
Background technology:
Film capacitor works as electrode with tinsel, by itself and poly-ethyl ester, and polypropylene, the plastics film such as polystyrene or polycarbonate, after the overlap of two ends, is wound into the electrical condenser of cylindric structure; In the middle of all plastics film electric capacity, the characteristic of polypropylene (PP) electric capacity and polystyrene (PS) electric capacity is the most remarkable, the obtained electrical condenser of polypropylene film is low with its percent thermal shrinkage, stable performance, high temperature resistant, high pressure resistant, prevent remarkable advantages such as puncturing, the use range of the electrical condenser that polypropylene film is obtained is more and more wider.Capacitor core is the heart of electrical condenser, and therefore electrical condenser manufacture fuse material must have high frequency tolerant, and high temperature resistant, a kind of macromolecule polypropylene film that can bear heavy current impact makes medium, and guarantee complete machine works steadily in the long term.
When film capacitor uses under high frequency or high impulse condition, failed to be convened for lack of a quorum by the pulsed electrical of electrical condenser and make electrical condenser self-heating and temperature rise, cause the problems such as the increase of self-healing point, withstand voltage reduction, the lost of life.
Summary of the invention:
The present invention seeks to, be used for making up the deficiencies in the prior art, and a kind of capacitor film polyester material is provided.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of capacitor film polyester material, is made up of the composition of following parts by weight: polyester 100-120 part, polyimide 20-30 part, tetrafluoroethylene 20-30 part, aluminium hydroxide 1-4 part, whiteruss 5-10 part, titanium dioxide 2-8 part, glass fibre 2-8 part, gac 1-4 part, dibutyl phthalate 0.5-1.8 part, treated starch 2-6 part and heat resistance accessory 3-8 part.
Described a kind of capacitor film polyester material, described heat resistance accessory is the mixture of zinc methacrylate, clay, silicon rubber and silicon carbide.
Described a kind of capacitor film polyester material, the parts by weight of each raw material of described heat resistance accessory are respectively zinc methacrylate 10-15 part, clay 2-8 part, silicon rubber 1-4 part and silicon carbide 5-10 part.
Described a kind of capacitor film polyester material, described heat resistance accessory is obtained by following steps: zinc methacrylate, clay, silicon rubber and silicon carbide are mixed, wet ball grinding, material ball ratio is 1:2:4, obtains slurry direct sintering after ball milling, be rapidly heated to 1000 DEG C, then be slowly warming up to 1500 DEG C, keep 30min, fast cooling is to 800 DEG C, naturally cooling, obtains heat resistance accessory after pulverizing.
Described a kind of capacitor film polyester material, described treated starch is obtained by following steps: after starch pasting, under ultrasound condition, react 20-40min with vinylformic acid, adds ethanol and is heated to 50-60 DEG C of back flow reaction 40-60min; Treated starch is obtained after 75-80 DEG C of dry 1-2h.
Described a kind of capacitor film polyester material is 10 parts in starch weight number, and acrylic acid parts by weight are 2-5 part, and ethanol is 12-15 part.
Beneficial effect of the present invention is as follows:
The each component acting in conjunction of capacitor film polyester material of the present invention, with polyester main raw material, be aided with polyimide, tetrafluoroethylene, aluminium hydroxide, whiteruss, titanium dioxide, glass fibre, gac, dibutyl phthalate, treated starch and heat resistance accessory, give full play of the advantage of polyester, improve the stretch-proof performance of capacitor film, and improve its heat-resisting ability, extend its work-ing life.
Heat resistance accessory is the mixture of zinc methacrylate, clay, silicon rubber and silicon carbide, by being rapidly heated, and sinters under the high temperature conditions, and resistance toheat is good; Starch has good binding property by modified, and easy and all the other raw materials act synergistically.
After testing, horizontal percent thermal shrinkage <0.2% during 20min is left standstill at capacitor film high temperature material of the present invention 300 DEG C, transverse tensile strength is 220-230MPa, and longitudinal tensile strength is 170-190MPa, and wet tension is 30-35mN/m.
Embodiment:
Below in conjunction with specific embodiment, set forth the present invention further.
Embodiment 1
In the present embodiment, a kind of capacitor film polyester material, is made up of the composition of following parts by weight: polyester 100 parts, polyimide 20 parts, tetrafluoroethylene 30 parts, 1 part, aluminium hydroxide, whiteruss 10 parts, titanium dioxide 2 parts, 8 parts, glass fibre, gac 4 parts, dibutyl phthalate 0.5 part, treated starch 2 parts and heat resistance accessory 3 parts.
Wherein, the parts by weight of each raw material of described heat resistance accessory are respectively zinc methacrylate 15 parts, clay 2 parts, 4 parts, silicon rubber and 10 parts, silicon carbide; Described heat resistance accessory is obtained by following steps: zinc methacrylate, clay, silicon rubber and silicon carbide are mixed, wet ball grinding, material ball ratio is 1:2:4, obtain slurry direct sintering after ball milling, be rapidly heated to 1000 DEG C, be then slowly warming up to 1500 DEG C, keep 30min, fast cooling is to 800 DEG C, and naturally cooling, obtains heat resistance accessory after pulverizing.
Wherein, described treated starch is obtained by following steps: after starch pasting, under ultrasound condition, react 20-40min with vinylformic acid, adds ethanol and is heated to 50-60 DEG C of back flow reaction 40-60min; Treated starch is obtained after 75-80 DEG C of dry 1-2h; Be 10 parts in starch weight number, acrylic acid parts by weight are 5 parts, and ethanol is 12 parts.
Embodiment 2
In the present embodiment, a kind of capacitor film polyester material, is made up of the composition of following parts by weight: polyester 120 parts, polyimide 30 parts, tetrafluoroethylene 20 parts, 4 parts, aluminium hydroxide, whiteruss 5 parts, titanium dioxide 8 parts, 2 parts, glass fibre, gac 1 part, dibutyl phthalate 1.8 parts, treated starch 6 parts and heat resistance accessory 8 parts.
Wherein, the parts by weight of each raw material of described heat resistance accessory are respectively zinc methacrylate 15 parts, clay 8 parts, 1 part, silicon rubber and 5 parts, silicon carbide; Described heat resistance accessory is obtained by following steps: zinc methacrylate, clay, silicon rubber and silicon carbide are mixed, wet ball grinding, material ball ratio is 1:2:4, obtain slurry direct sintering after ball milling, be rapidly heated to 1000 DEG C, be then slowly warming up to 1500 DEG C, keep 30min, fast cooling is to 800 DEG C, and naturally cooling, obtains heat resistance accessory after pulverizing.
Wherein, described treated starch is obtained by following steps: after starch pasting, under ultrasound condition, react 20-40min with vinylformic acid, adds ethanol and is heated to 50-60 DEG C of back flow reaction 40-60min; Treated starch is obtained after 75-80 DEG C of dry 1-2h; Be 10 parts in starch weight number, acrylic acid parts by weight are 2 parts, and ethanol is 15 parts.
Embodiment 3
In the present embodiment, a kind of capacitor film polyester material, is made up of the composition of following parts by weight: polyester 108 parts, polyimide 22 parts, tetrafluoroethylene 28 parts, 2 parts, aluminium hydroxide, whiteruss 8 parts, titanium dioxide 5 parts, 5 parts, glass fibre, gac 2 parts, dibutyl phthalate 1.6 parts, treated starch 4 parts and heat resistance accessory 6 parts.
Wherein, the parts by weight of each raw material of described heat resistance accessory are respectively zinc methacrylate 11 parts, clay 4 parts, 2 parts, silicon rubber and 6 parts, silicon carbide; Described heat resistance accessory is obtained by following steps: zinc methacrylate, clay, silicon rubber and silicon carbide are mixed, wet ball grinding, material ball ratio is 1:2:4, obtain slurry direct sintering after ball milling, be rapidly heated to 1000 DEG C, be then slowly warming up to 1500 DEG C, keep 30min, fast cooling is to 800 DEG C, and naturally cooling, obtains heat resistance accessory after pulverizing.
Wherein, described treated starch is obtained by following steps: after starch pasting, under ultrasound condition, react 20-40min with vinylformic acid, adds ethanol and is heated to 50-60 DEG C of back flow reaction 40-60min; Treated starch is obtained after 75-80 DEG C of dry 1-2h; Be 10 parts in starch weight number, acrylic acid parts by weight are 3 parts, and ethanol is 13 parts.
Embodiment 4
In the present embodiment, a kind of capacitor film polyester material, is made up of the composition of following parts by weight: polyester 112 parts, polyimide 26 parts, tetrafluoroethylene 26 parts, 3 parts, aluminium hydroxide, whiteruss 6 parts, titanium dioxide 6 parts, 6 parts, glass fibre, gac 3 parts, dibutyl phthalate 0.8 part, treated starch 5 parts and heat resistance accessory 5 parts.
Wherein, the parts by weight of each raw material of described heat resistance accessory are respectively zinc methacrylate 12 parts, clay 6 parts, 3 parts, silicon rubber and 9 parts, silicon carbide; Described heat resistance accessory is obtained by following steps: zinc methacrylate, clay, silicon rubber and silicon carbide are mixed, wet ball grinding, material ball ratio is 1:2:4, obtain slurry direct sintering after ball milling, be rapidly heated to 1000 DEG C, be then slowly warming up to 1500 DEG C, keep 30min, fast cooling is to 800 DEG C, and naturally cooling, obtains heat resistance accessory after pulverizing.
Wherein, described treated starch is obtained by following steps: after starch pasting, under ultrasound condition, react 20-40min with vinylformic acid, adds ethanol and is heated to 50-60 DEG C of back flow reaction 40-60min; Treated starch is obtained after 75-80 DEG C of dry 1-2h; Be 10 parts in starch weight number, acrylic acid parts by weight are 4 parts, and ethanol is 14 parts.
Embodiment 5
In the present embodiment, a kind of capacitor film polyester material, is made up of the composition of following parts by weight: polyester 115 parts, polyimide 28 parts, tetrafluoroethylene 22 parts, 4 parts, aluminium hydroxide, whiteruss 7 parts, titanium dioxide 7 parts, 3 parts, glass fibre, gac 1 part, dibutyl phthalate 1.2 parts, treated starch 5 parts and heat resistance accessory 7 parts.
Wherein, the parts by weight of each raw material of described heat resistance accessory are respectively zinc methacrylate 13 parts, clay 5 parts, 1 part, silicon rubber and 8 parts, silicon carbide; Described heat resistance accessory is obtained by following steps: zinc methacrylate, clay, silicon rubber and silicon carbide are mixed, wet ball grinding, material ball ratio is 1:2:4, obtain slurry direct sintering after ball milling, be rapidly heated to 1000 DEG C, be then slowly warming up to 1500 DEG C, keep 30min, fast cooling is to 800 DEG C, and naturally cooling, obtains heat resistance accessory after pulverizing.
Wherein, described treated starch is obtained by following steps: after starch pasting, under ultrasound condition, react 20-40min with vinylformic acid, adds ethanol and is heated to 50-60 DEG C of back flow reaction 40-60min; Treated starch is obtained after 75-80 DEG C of dry 1-2h; Be 10 parts in starch weight number, acrylic acid parts by weight are 5 parts, and ethanol is 12 parts.
Claims (6)
1. a capacitor film polyester material, it is characterized in that, be made up of the composition of following parts by weight: polyester 100-120 part, polyimide 20-30 part, tetrafluoroethylene 20-30 part, aluminium hydroxide 1-4 part, whiteruss 5-10 part, titanium dioxide 2-8 part, glass fibre 2-8 part, gac 1-4 part, dibutyl phthalate 0.5-1.8 part, treated starch 2-6 part and heat resistance accessory 3-8 part.
2. a kind of capacitor film polyester material according to claim 1, is characterized in that, described heat resistance accessory is the mixture of zinc methacrylate, clay, silicon rubber and silicon carbide.
3. a kind of capacitor film polyester material according to claim 2, is characterized in that, the parts by weight of each raw material of described heat resistance accessory are respectively zinc methacrylate 10-15 part, clay 2-8 part, silicon rubber 1-4 part and silicon carbide 5-10 part.
4. a kind of capacitor film polyester material according to Claims 2 or 3, it is characterized in that, described heat resistance accessory is obtained by following steps: zinc methacrylate, clay, silicon rubber and silicon carbide are mixed, wet ball grinding, material ball ratio is 1:2:4, obtain slurry direct sintering after ball milling, be rapidly heated to 1000 DEG C, be then slowly warming up to 1500 DEG C, keep 30min, fast cooling is to 800 DEG C, and naturally cooling, obtains heat resistance accessory after pulverizing.
5. a kind of capacitor film polyester material according to claim 1, it is characterized in that, described treated starch is obtained by following steps: after starch pasting, under ultrasound condition, react 20-40min with vinylformic acid, adds ethanol and is heated to 50-60 DEG C of back flow reaction 40-60min; Treated starch is obtained after 75-80 DEG C of dry 1-2h.
6. a kind of capacitor film polyester material according to claim 5, is characterized in that, is 10 parts in starch weight number, and acrylic acid parts by weight are 2-5 part, and ethanol is 12-15 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510221814.2A CN104817825A (en) | 2015-05-05 | 2015-05-05 | Polyester material used for capacitor thin film |
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| CN201510221814.2A CN104817825A (en) | 2015-05-05 | 2015-05-05 | Polyester material used for capacitor thin film |
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| CN104817825A true CN104817825A (en) | 2015-08-05 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366580A (en) * | 2016-09-29 | 2017-02-01 | 铜陵市超越电子有限公司 | High-temperature-resisting capacitor thin film |
| CN106496965A (en) * | 2016-10-26 | 2017-03-15 | 安徽飞达电气科技有限公司 | A kind of capacitor film high life polyester material |
| CN106519589A (en) * | 2016-10-26 | 2017-03-22 | 安徽飞达电气科技有限公司 | High-temperature resistant thin film capacitor basal film and preparation method thereof |
| CN106543658A (en) * | 2016-10-26 | 2017-03-29 | 安徽飞达电气科技有限公司 | A kind of capacitor film high temperature resistance polyester material |
| CN106543857A (en) * | 2016-10-26 | 2017-03-29 | 安徽飞达电气科技有限公司 | A kind of aluminium shell of capacitor heatproof coating paint |
| CN106543657A (en) * | 2016-10-26 | 2017-03-29 | 安徽飞达电气科技有限公司 | A kind of capacitor film high temperature resistance polyester material |
| CN106633736A (en) * | 2016-09-29 | 2017-05-10 | 铜陵市超越电子有限公司 | Radiation-proof thin-film capacitor shell |
| CN109111700A (en) * | 2018-07-19 | 2019-01-01 | 昆山东美自动化设备科技有限公司 | A kind of high temperature resistant PET film |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001237141A (en) * | 2000-02-25 | 2001-08-31 | Toray Ind Inc | Chip-shaped film capacitor |
-
2015
- 2015-05-05 CN CN201510221814.2A patent/CN104817825A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001237141A (en) * | 2000-02-25 | 2001-08-31 | Toray Ind Inc | Chip-shaped film capacitor |
Non-Patent Citations (1)
| Title |
|---|
| 周向阳、贾德民、崔跃飞、谢东: "淀粉接枝改性研究进展", 《合成材料老化与应用》, vol. 38, no. 2, 15 June 2009 (2009-06-15), pages 38 - 43 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366580A (en) * | 2016-09-29 | 2017-02-01 | 铜陵市超越电子有限公司 | High-temperature-resisting capacitor thin film |
| CN106633736A (en) * | 2016-09-29 | 2017-05-10 | 铜陵市超越电子有限公司 | Radiation-proof thin-film capacitor shell |
| CN106496965A (en) * | 2016-10-26 | 2017-03-15 | 安徽飞达电气科技有限公司 | A kind of capacitor film high life polyester material |
| CN106519589A (en) * | 2016-10-26 | 2017-03-22 | 安徽飞达电气科技有限公司 | High-temperature resistant thin film capacitor basal film and preparation method thereof |
| CN106543658A (en) * | 2016-10-26 | 2017-03-29 | 安徽飞达电气科技有限公司 | A kind of capacitor film high temperature resistance polyester material |
| CN106543857A (en) * | 2016-10-26 | 2017-03-29 | 安徽飞达电气科技有限公司 | A kind of aluminium shell of capacitor heatproof coating paint |
| CN106543657A (en) * | 2016-10-26 | 2017-03-29 | 安徽飞达电气科技有限公司 | A kind of capacitor film high temperature resistance polyester material |
| CN106519589B (en) * | 2016-10-26 | 2018-08-21 | 安徽飞达电气科技有限公司 | A kind of high-temperature resistant membrane capacitor basement membrane and preparation method thereof |
| CN109111700A (en) * | 2018-07-19 | 2019-01-01 | 昆山东美自动化设备科技有限公司 | A kind of high temperature resistant PET film |
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