CN104151620A - Special filler for cold-resistant moisture-proof capacitor film and preparation method thereof - Google Patents
Special filler for cold-resistant moisture-proof capacitor film and preparation method thereof Download PDFInfo
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- CN104151620A CN104151620A CN201410368822.5A CN201410368822A CN104151620A CN 104151620 A CN104151620 A CN 104151620A CN 201410368822 A CN201410368822 A CN 201410368822A CN 104151620 A CN104151620 A CN 104151620A
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Abstract
The invention relates to a special filler for a cold-resistant moisture-proof capacitor film. The filler is prepared through the following raw materials in parts by weight: 10-13 parts of organic silicon resin, 1-1.5 parts of dimethyl silicon oil, 1-2 parts of oleic acid, 1-1.5 parts of sodium oleate, 1-1.5 parts of acrylamide, 3-5 parts of calcium formiate, 3-5 parts of sulphur, 3-5 parts of straw ash, 4-6 parts of attapulgite, 60-65 parts of municipal sludge, a right amount of 5%-7% hydrochloric acid, a right amount of water and 15-20 parts of auxiliary agents. According to the filler, the organic silicon resin is added, the moisture-resistant, water-proof, rust-proof, cold-resistant, ozone-resistant and weather-resistant properties of the film are enhanced, and the service life of a capacitor is prolonged under a harsh condition; the filler disclosed by the invention can be mildew-proof and corrosion-proof due to the calcium formiate and the sulphur, is low in cost, high in fineness and good in reinforcing property by using the municipal sludge, and can be used for enhancing the dispersibility and reinforcing property of fillers by using the auxiliary agents, so that the strength and impact-resistant toughness of the film can be enhanced.
Description
Technical field
The invention belongs to capacitor film field, particularly a kind of cold-resistant Dampproof 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 cold-resistant Dampproof capacitor film filler special and preparation method thereof, this filler has increased moisture resistance, the waterproof of film, antirust, cold-resistant, resistance to ozone and weather resistance, extended the work-ing life of electrical condenser under mal-condition, can fungus-proof antisepsis erosion.
Technical scheme of the present invention is as follows:
A cold-resistant Dampproof capacitor film filler special, is characterized in that being made by the raw material of following weight part: silicone resin 10-13, dimethyl silicone oil 1-1.5, oleic acid 1-2, sodium oleate 1-1.5, acrylamide 1-1.5, calcium formiate 3-5, sulphur 3-5, stalk ashes 3-5, attapulgite 4-6, municipal sludge 60-65,5-7% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made by the raw material of following weight part: zinc sulfate 0.5-0.8, nano barium sulfate 1-1.5, lime powder 2-3, EDETATE SODIUM 0.2-0.4, benzotriazole 0.2-0.3, silicon ash 5-7,2-3% hydrochloric acid soln 10-15, sodium oleate 0.1-0.2, silane coupling agent KH-572 0.1-0.2, ethyl propenoate 2-3, diethylene glycol dibutyl ether 1-2, butyl (tetra) titanate 0.1-0.2, ethylene glycol amine 0.1-0.2, fatty acid amine 0.5-0.8, ammonium persulphate 0.1-0.2, water are appropriate; Preparation method is: silicon ash is mixed with 2-3% hydrochloric acid soln, be heated to 50-60 ℃, stirring reaction 20-30 minute, filter, obtain filter residue, being washed to pH is 6-8, dry, mix with zinc sulfate, EDETATE SODIUM, benzotriazole, sodium oleate, diethylene glycol dibutyl ether, butyl (tetra) titanate, ethylene glycol amine, fatty acid amine again, grind 15-20 minute, obtain silicon ash particle; Again silane coupling agent KH-572 is added in suitable quantity of water, add again silicon ash particle, after stirring, add ethyl propenoate, after stirring, be warming up to 70-80 ℃, add ammonium persulphate, stirring reaction 20-30 minute, then add lime powder, continue stirring reaction 30-40 minute, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.
The preparation method of described cold-resistant Dampproof capacitor film filler special, is characterized in that comprising the following steps:
(1) municipal sludge, attapulgite are sent in calcining furnace, at 700-800 ℃, calcined 2-3 hour, take out and pulverize, cross 100 mesh sieves, add again 2-3 5-7% hydrochloric acid doubly, be heated to 50-70 ℃, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;
(2) silicone resin, dimethyl silicone oil, oleic acid, sodium oleate, acrylamide, calcium formiate, sulphur, stalk ashes are mixed, grind 20-30 minute, obtain mixture;
(3) mixing of materials (1) step and (2) step being obtained, 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 silicone resin, has increased moisture resistance, the waterproof of film, antirust, cold-resistant, resistance to ozone and weather resistance, has extended the work-ing life of electrical condenser under mal-condition; By adding calcium formiate, sulphur, can lose by fungus-proof antisepsis; By using municipal sludge, reduced cost, fineness is high, and reinforcing property is good; The application of the invention auxiliary agent, can improve dispersiveness, the reinforcing property of filler, can improve thin film strength and tough.
Embodiment
A cold-resistant Dampproof capacitor film filler special, by following weight part (kilogram) raw material make: silicone resin 11, dimethyl silicone oil 1.2, oleic acid 1.5, sodium oleate 1.3, acrylamide 1.3, calcium formiate 4, sulphur 4, stalk ashes 4, attapulgite 5, municipal sludge 63,6% hydrochloric acid are appropriate, water appropriate, auxiliary agent 18;
Described auxiliary agent by following weight part (kilogram) raw material make: zinc sulfate 0.6, nano barium sulfate 1.3, lime powder 2.5, EDETATE SODIUM 0.3, benzotriazole 0.3, silicon ash 6,2.5% hydrochloric acid soln 13, sodium oleate 0.1, silane coupling agent KH-572 0.1, ethyl propenoate 2.5, diethylene glycol dibutyl ether 1.5, butyl (tetra) titanate 0.1, ethylene glycol amine 0.1, fatty acid amine 0.7, ammonium persulphate 0.1, water are appropriate; Preparation method is: silicon ash is mixed with 2.5% hydrochloric acid soln, be heated to 55 ℃, stirring reaction 25 minutes, filter, obtain filter residue, being washed to pH is 7, dry, mix with zinc sulfate, EDETATE SODIUM, benzotriazole, sodium oleate, diethylene glycol dibutyl ether, butyl (tetra) titanate, ethylene glycol amine, fatty acid amine again, grind 18 minutes, obtain silicon ash particle; Again silane coupling agent KH-572 is added in suitable quantity of water, add again silicon ash particle, after stirring, add ethyl propenoate, after stirring, be warming up to 78 ℃, add ammonium persulphate, stirring reaction 28 minutes, then add lime powder, continue stirring reaction 38 minutes, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.
The preparation method of described cold-resistant Dampproof capacitor film filler special, comprises the following steps:
(1) municipal sludge, attapulgite are sent in calcining furnace, at 750 ℃, calcined 2.5 hours, take out and pulverize, cross 100 mesh sieves, 6% hydrochloric acid that adds again 2.5 times, is heated to 60 ℃, stirs 15 minutes, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;
(2) silicone resin, dimethyl silicone oil, oleic acid, sodium oleate, acrylamide, calcium formiate, sulphur, stalk ashes are mixed, grind 25 minutes, obtain mixture;
(3) mixing of materials (1) step and (2) step being obtained, 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 cold-resistant Dampproof capacitor film filler special, is characterized in that being made by the raw material of following weight part: silicone resin 10-13, dimethyl silicone oil 1-1.5, oleic acid 1-2, sodium oleate 1-1.5, acrylamide 1-1.5, calcium formiate 3-5, sulphur 3-5, stalk ashes 3-5, attapulgite 4-6, municipal sludge 60-65,5-7% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made by the raw material of following weight part: zinc sulfate 0.5-0.8, nano barium sulfate 1-1.5, lime powder 2-3, EDETATE SODIUM 0.2-0.4, benzotriazole 0.2-0.3, silicon ash 5-7,2-3% hydrochloric acid soln 10-15, sodium oleate 0.1-0.2, silane coupling agent KH-572 0.1-0.2, ethyl propenoate 2-3, diethylene glycol dibutyl ether 1-2, butyl (tetra) titanate 0.1-0.2, ethylene glycol amine 0.1-0.2, fatty acid amine 0.5-0.8, ammonium persulphate 0.1-0.2, water are appropriate; Preparation method is: silicon ash is mixed with 2-3% hydrochloric acid soln, be heated to 50-60 ℃, stirring reaction 20-30 minute, filter, obtain filter residue, being washed to pH is 6-8, dry, mix with zinc sulfate, EDETATE SODIUM, benzotriazole, sodium oleate, diethylene glycol dibutyl ether, butyl (tetra) titanate, ethylene glycol amine, fatty acid amine again, grind 15-20 minute, obtain silicon ash particle; Again silane coupling agent KH-572 is added in suitable quantity of water, add again silicon ash particle, after stirring, add ethyl propenoate, after stirring, be warming up to 70-80 ℃, add ammonium persulphate, stirring reaction 20-30 minute, then add lime powder, continue stirring reaction 30-40 minute, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.
2. the preparation method of cold-resistant Dampproof capacitor film filler special according to claim 1, is characterized in that comprising the following steps:
(1) municipal sludge, attapulgite are sent in calcining furnace, at 700-800 ℃, calcined 2-3 hour, take out and pulverize, cross 100 mesh sieves, add again 2-3 5-7% hydrochloric acid doubly, be heated to 50-70 ℃, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;
(2) silicone resin, dimethyl silicone oil, oleic acid, sodium oleate, acrylamide, calcium formiate, sulphur, stalk ashes are mixed, grind 20-30 minute, obtain mixture;
(3) mixing of materials (1) step and (2) step being obtained, 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 |
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CN106397845A (en) * | 2016-09-30 | 2017-02-15 | 安徽鑫利源电子有限公司 | Waterproof membrane capacitor shell composition |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106397845A (en) * | 2016-09-30 | 2017-02-15 | 安徽鑫利源电子有限公司 | Waterproof membrane capacitor shell composition |
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Application publication date: 20141119 |