CN104086812A - Special filler for antirust capacitor film and preparation method of special filler - Google Patents
Special filler for antirust capacitor film and preparation method of special filler Download PDFInfo
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- CN104086812A CN104086812A CN201410308331.1A CN201410308331A CN104086812A CN 104086812 A CN104086812 A CN 104086812A CN 201410308331 A CN201410308331 A CN 201410308331A CN 104086812 A CN104086812 A CN 104086812A
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Abstract
The invention provides special filler for an antirust capacitor film. The special filler is prepared from the following raw materials in parts by weight: 3-4 parts of metallocene linear polyethylene, 2-3 parts of isotactic polypropylene, 4-5 parts of nano slag, 1.4-1.7 parts of magnesium stearate, 1-2 parts of polyamide wax micropowder, 1.4-1.7 parts of butyl benzyl phthalate, 1-2 parts of neodymium oxide, 3-5 parts of gemini-imidazoline quaternary ammonium salt corrosion inhibitor, 1.2-1.6 parts of diazolidinyl urea, 60-65 parts of loess, a proper amount of 4-6% hydrochloric acid, a proper amount of water and 15-20 parts of adjuvant. According to the invention, due to the addition of nano slag and neodymium oxide, the compactness, high temperature performance, air tightness and corrosion resistance of the film are improved; due to the addition of gemini-imidazoline quaternary ammonium salt corrosion inhibitor and diazolidinyl urea, the antirust property of the film is improved, and the service life of a capacitor is prolonged; due to the addition of loess, the cost is reduced; and due to the addition of adjuvant, the dispersibility and reinforcing property of the filler can be improved, and the strength and impact toughness of the film can be improved.
Description
Technical field
The invention belongs to capacitor film field, particularly a kind of rust protection capacitor film filler special and preparation method thereof.
Background technology
Film capacitor, owing to having a lot of good characteristics, is therefore the outstanding electrical condenser of a kind of performance.Its property such as main is as follows: nonpolarity, insulation impedance is very high, frequency response characteristic excellent (frequency response is broad), and also dielectric loss is very little.Advantage based on above, so film capacitor is used on mimic channel in a large number.Especially in the part of signal commissure, necessary frequency of utilization characteristic is good, and the electrical condenser that dielectric loss is extremely low can guarantee that signal is when transmitting, and does not have too large distortion situation and occurs.
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, thus in recent years PP electric capacity and PS electric capacity to be used in frequency and the quantity of sound appliances also more and more high.Simple polypropylene (PP) is although that film has is heat-resisting, corrosion-resistant, the outstanding advantages of goods used vapour sterilization, and also density is little, is the lightest general-purpose plastics; But it exists low-temperature impact resistance poor, easy aging shortcoming.Polystyrene (PS) film has high transparency, and electrical insulation capability is good, easy coloring, and processing fluidity is good, and good rigidly and chemical resistance are good, but more crisp, and shock strength is low, is prone to stress cracking, poor heat resistance and not resistance to boiling water; Therefore need to carry out modification to film.And along with the range of application of electrical condenser increases gradually, the performance of film also needs to improve, such as heat-resisting, low temperature resistant, acid and alkali-resistance, corrosion-resistant, intensity, ageing-resistant, UV resistant, fire-retardant, wear-resisting, toughness, the performance need such as shock-resistant improve, can be by adding the filler modified performance of improving.
Summary of the invention
The object of the present invention is to provide a kind of rust protection capacitor film filler special and preparation method thereof, this filler has increased compactness, high-temperature behavior, resistance to air loss and the erosion resistance of film, has increased the rustproof property of film, extends the work-ing life of electrical condenser.
Technical scheme of the present invention is as follows:
A rust protection capacitor film filler special, is characterized in that being made by the raw material of following weight part: metallocene linear polyethylene 3-4, isotatic polypropylene 2-3, nanometer slag 4-5, Magnesium Stearate 1.4-1.7, polyamide wax micropowder 1-2, butyl benzyl phthalate 1.4-1.7, Neodymium trioxide 1-2, bi-imidazoline quaternary ammonium salt corrosion inhibitor 3-5, two Imidurea 1.2-1.6, loess 60-65,4-6% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made by the raw material of following weight parts: kaolin 5-7,2-2.5% sodium hydroxide solution 20-25, glyceryl monostearate 0.2-0.3, methacrylic ester 1-2, ethyl propenoate 0.4-0.7, activated calcium carbonate 10-15, ten trifluoro octyl group Trimethoxy silane 0.6-0.8, nano-graphite 1-1.3, tea saponin 0.1-0.2, Fruit of Cherokee Rose essential oil 0.1-0.2, Potassium Persulphate 0.1-0.2, water are appropriate; Preparation method is: kaolin mixes with 2-2.5% sodium hydroxide solution, be heated to 70-80 ℃, stirring reaction 20-30 minute, filter, obtain filter residue, being washed to pH is 7-9, ovendry power is broken into the particle of 2-50 μ m, then spray into while stirring ten trifluoro octyl group Trimethoxy silanes, grind 20-25 minute, obtain modified kaolin; Again tea saponin is added in suitable quantity of water, add again activated calcium carbonate, after stirring, add glyceryl monostearate, methacrylic ester, ethyl propenoate, after stirring, be warming up to 70-80 ℃, add Potassium Persulphate, stirring reaction 20-30 minute, then add nano-graphite, continue stirring reaction 30-40 minute, dry, mix with modified kaolin and other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.
The preparation method of described rust protection capacitor film filler special, is characterized in that comprising the following steps:
(1) loess is sent in calcining furnace, at 700-800 ℃, calcined 2-3 hour, take out and pulverize, cross 100 mesh sieves, then add 2-3 4-6% hydrochloric acid doubly, be heated to 50-70 ℃, stir 10-20 minute, filter, obtain filter residue, pickling once, then is washed to neutrality more as stated above, filters, and obtains particle;
(2) metallocene linear polyethylene, isotatic polypropylene, Magnesium Stearate, butyl benzyl phthalate, Neodymium trioxide, bi-imidazoline quaternary ammonium salt corrosion inhibitor, two Imidurea are mixed, grind 20-30 minute, obtain mixture;
(3) material (1) step and (2) step being obtained mixes with nanometer slag, polyamide wax micropowder, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, obtains.
Beneficial effect of the present invention
Filler of the present invention has added nanometer slag, Neodymium trioxide, has increased compactness, high-temperature behavior, resistance to air loss and the erosion resistance of film; By adding bi-imidazoline quaternary ammonium salt corrosion inhibitor, two Imidurea, increased the rustproof property of film, extend the work-ing life of electrical condenser; By using loess, reduced cost; The application of the invention auxiliary agent, can improve dispersiveness, the reinforcing property of filler, can improve thin film strength and tough.
Embodiment
A rust protection capacitor film filler special, by following weight part (kilogram) raw material make: metallocene linear polyethylene 3.5, isotatic polypropylene 2.5, nanometer slag 4.5, Magnesium Stearate 1.6, polyamide wax micropowder 1.5, butyl benzyl phthalate 1.5, Neodymium trioxide 1.5, bi-imidazoline quaternary ammonium salt corrosion inhibitor 4, two Imidurea 1.4, loess 62,5% hydrochloric acid are appropriate, water appropriate, auxiliary agent 18;
Described auxiliary agent by following weight parts (kilogram) raw material make: kaolin 6,2.3% sodium hydroxide solution 23, glyceryl monostearate 0.2, methacrylic ester 1.5, ethyl propenoate 0.6, activated calcium carbonate 13, ten trifluoro octyl group Trimethoxy silanes 0.7, nano-graphite 1.2, tea saponin 0.1, Fruit of Cherokee Rose essential oil 0.1, Potassium Persulphate 0.1, water are appropriate; Preparation method is: kaolin mixes with 2.3% sodium hydroxide solution, be heated to 75 ℃, stirring reaction 25 minutes, filter, obtain filter residue, being washed to pH is 8, ovendry power is broken into the particle of 2-50 μ m, then spray into while stirring ten trifluoro octyl group Trimethoxy silanes, grind 23 minutes, obtain modified kaolin; Again tea saponin is added in suitable quantity of water, add again activated calcium carbonate, after stirring, add glyceryl monostearate, methacrylic ester, ethyl propenoate, after stirring, be warming up to 75 ℃, add Potassium Persulphate, stirring reaction 25 minutes, then add nano-graphite, continue stirring reaction 35 minutes, dry, mix with modified kaolin and other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.
The preparation method of described rust protection capacitor film filler special, comprises the following steps:
(1) loess is sent in calcining furnace, at 750 ℃, calcined 2.5 hours, take out and pulverize, cross 100 mesh sieves, then add 5% hydrochloric acid of 2.5 times, be heated to 60 ℃, stir 15 minutes, filter, obtain filter residue, pickling once, then is washed to neutrality more as stated above, filters, and obtains particle;
(2) metallocene linear polyethylene, isotatic polypropylene, Magnesium Stearate, butyl benzyl phthalate, Neodymium trioxide, bi-imidazoline quaternary ammonium salt corrosion inhibitor, two Imidurea are mixed, grind 25 minutes, obtain mixture;
(3) material (1) step and (2) step being obtained mixes with nanometer slag, polyamide wax micropowder, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, obtains.
Experimental data: the filler of the present embodiment is added in polypropylene capacitor film, and addition is 10-15%, film thickness is 2-50 μ m, film breakdown magnitude of voltage >=0.60kV/ μ m(100 ℃).
Claims (2)
1. a rust protection capacitor film filler special, is characterized in that being made by the raw material of following weight part: metallocene linear polyethylene 3-4, isotatic polypropylene 2-3, nanometer slag 4-5, Magnesium Stearate 1.4-1.7, polyamide wax micropowder 1-2, butyl benzyl phthalate 1.4-1.7, Neodymium trioxide 1-2, bi-imidazoline quaternary ammonium salt corrosion inhibitor 3-5, two Imidurea 1.2-1.6, loess 60-65,4-6% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made by the raw material of following weight parts: kaolin 5-7,2-2.5% sodium hydroxide solution 20-25, glyceryl monostearate 0.2-0.3, methacrylic ester 1-2, ethyl propenoate 0.4-0.7, activated calcium carbonate 10-15, ten trifluoro octyl group Trimethoxy silane 0.6-0.8, nano-graphite 1-1.3, tea saponin 0.1-0.2, Fruit of Cherokee Rose essential oil 0.1-0.2, Potassium Persulphate 0.1-0.2, water are appropriate; Preparation method is: kaolin mixes with 2-2.5% sodium hydroxide solution, be heated to 70-80 ℃, stirring reaction 20-30 minute, filter, obtain filter residue, being washed to pH is 7-9, ovendry power is broken into the particle of 2-50 μ m, then spray into while stirring ten trifluoro octyl group Trimethoxy silanes, grind 20-25 minute, obtain modified kaolin; Again tea saponin is added in suitable quantity of water, add again activated calcium carbonate, after stirring, add glyceryl monostearate, methacrylic ester, ethyl propenoate, after stirring, be warming up to 70-80 ℃, add Potassium Persulphate, stirring reaction 20-30 minute, then add nano-graphite, continue stirring reaction 30-40 minute, dry, mix with modified kaolin and other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.
2. the preparation method of rust protection capacitor film filler special according to claim 1, is characterized in that comprising the following steps:
(1) loess is sent in calcining furnace, at 700-800 ℃, calcined 2-3 hour, take out and pulverize, cross 100 mesh sieves, then add 2-3 4-6% hydrochloric acid doubly, be heated to 50-70 ℃, stir 10-20 minute, filter, obtain filter residue, pickling once, then is washed to neutrality more as stated above, filters, and obtains particle;
(2) metallocene linear polyethylene, isotatic polypropylene, Magnesium Stearate, butyl benzyl phthalate, Neodymium trioxide, bi-imidazoline quaternary ammonium salt corrosion inhibitor, two Imidurea are mixed, grind 20-30 minute, obtain mixture;
(3) material (1) step and (2) step being obtained mixes with nanometer slag, polyamide wax micropowder, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, obtains.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104528960A (en) * | 2014-12-24 | 2015-04-22 | 芜湖协诚金属制品有限公司 | Efficient corrosion and scale inhibitor |
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CN101553523A (en) * | 2006-10-18 | 2009-10-07 | 卡尔普工业株式会社 | Master batch and process for production thereof |
CN101952525A (en) * | 2007-10-30 | 2011-01-19 | 世界矿物公司 | Modified mineral-based fillers |
CN103329226A (en) * | 2011-01-19 | 2013-09-25 | 王子控股株式会社 | Polypropylene film for capacitor |
CN103360645A (en) * | 2013-06-20 | 2013-10-23 | 安徽春辉仪表线缆集团有限公司 | High-performance flange face seal ring |
CA2877976A1 (en) * | 2012-07-02 | 2014-01-09 | E. I. Du Pont De Nemours And Company | Modified filler particle |
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2014
- 2014-07-01 CN CN201410308331.1A patent/CN104086812A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101553523A (en) * | 2006-10-18 | 2009-10-07 | 卡尔普工业株式会社 | Master batch and process for production thereof |
CN101952525A (en) * | 2007-10-30 | 2011-01-19 | 世界矿物公司 | Modified mineral-based fillers |
CN103329226A (en) * | 2011-01-19 | 2013-09-25 | 王子控股株式会社 | Polypropylene film for capacitor |
CA2877976A1 (en) * | 2012-07-02 | 2014-01-09 | E. I. Du Pont De Nemours And Company | Modified filler particle |
CN103360645A (en) * | 2013-06-20 | 2013-10-23 | 安徽春辉仪表线缆集团有限公司 | High-performance flange face seal ring |
Non-Patent Citations (1)
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成都科技大学: "《塑料成型工艺学》", 30 April 1983 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104528960A (en) * | 2014-12-24 | 2015-04-22 | 芜湖协诚金属制品有限公司 | Efficient corrosion and scale inhibitor |
CN104528960B (en) * | 2014-12-24 | 2016-07-06 | 安徽协诚实业股份有限公司 | A kind of high efficiency corrosion inhibiting scale retardant |
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Application publication date: 20141008 |