CN104140563A - Padding special for capacitor film with thermal stability and preparation method of padding - Google Patents
Padding special for capacitor film with thermal stability and preparation method of padding Download PDFInfo
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- CN104140563A CN104140563A CN201410368726.0A CN201410368726A CN104140563A CN 104140563 A CN104140563 A CN 104140563A CN 201410368726 A CN201410368726 A CN 201410368726A CN 104140563 A CN104140563 A CN 104140563A
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Abstract
Padding special for a capacitor film with thermal stability is composed of, by weight, 13-17 parts of metallocene linear low density polyethylene, 2-3 parts of molybdenum pentaboride, 2-3 parts of perfluoropolyether, 3-5 parts of ammonium pentaborate, 1-2 parts of zinc gluconate, 2-3 parts of cobalt oxide, 0.8-1.2 parts of potassium chloride, 1-2 parts of polyisobutene, 2-4 parts of pyrrolidine dione, 50-55 parts of municipal sludge, proper parts of hydrochloric acid of 5%-7%, proper parts of water and 15-20 parts of assistant. The metallocene linear low density polyethylene is added in the padding, so that the film has high falling-dart impact strength, tear strength, heat-seal strength, outstanding optical performance and good thermal stability. Through the utilization of the municipal sludge, cost is lowered, the fineness is high, and reinforcement performance is good. Through the utilization of the assistant, the dispersibility and reinforcement performance of the padding are improved, and strength and impact-resistant toughness of the film can be improved.
Description
Technical field
The invention belongs to capacitor film field, particularly a kind of thermally-stabilised 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 thermally-stabilised capacitor film filler special and preparation method thereof, this filler makes film have higher dart impact strength, tear strength, heat seal strength and outstanding optical property, and Heat stability is good, has reduced cost, fineness is high, and reinforcing property is good.
Technical scheme of the present invention is as follows:
A thermally-stabilised capacitor film filler special, is characterized in that being made by the raw material of following weight part: metallocene linear low density polyethylene 13-17, five boronation two molybdenum 2-3, PFPE 2-3, ammonium pentaborate 3-5, Zinc Gluconate 1-2, cobalt sesquioxide 2-3, Repone K 0.8-1.2, polyisobutene 1-2, succinimide 2-4, municipal sludge 50-55,5-7% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made by the raw material of following weight part: super-fine silicon micro-powder 2-3, plant ash 5-7,1-2% hydrochloric acid soln 10-15, turps 0.3-0.4, polyester acrylate 1-2, Magnesium Stearate 1-2, Resorcinol 0.2-0.4, chromium carbide 1.3-1.6, methacrylic ester 2-3, zinc oleate 0.4-0.6, urotropine 0.2-0.3, ginger essential oil 0.3-0.4, oleic acid 1-2, silane resin acceptor kh-550 1-2, Sodium Persulfate 0.1-0.2, lauric acid polyoxyethylene ester 0.1-0.2, water are appropriate; Preparation method is: plant ash is mixed with 1-2% hydrochloric acid soln, be heated to 70-80 ℃, stirring reaction 20-30 minute, being washed to pH is 6-8, dry, mix with turps, Resorcinol, zinc oleate, urotropine, ginger essential oil, oleic acid, silane resin acceptor kh-550 again, grind 15-20 minute, obtain plant ash particle; Again lauric acid polyoxyethylene ester is added in suitable quantity of water, add again plant ash particle, after stirring, add polyester acrylate, methacrylic ester, after stirring, be warming up to 80-90 ℃, add Sodium Persulfate, stirring reaction 20-30 minute, then add chromium carbide, super-fine silicon micro-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 thermally-stabilised capacitor film filler special, is characterized in that comprising the following steps:
(1) municipal sludge is 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) metallocene linear low density polyethylene, five boronation two molybdenums, PFPE, ammonium pentaborate, Zinc Gluconate, cobalt sesquioxide, Repone K, polyisobutene, succinimide 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 metallocene linear low density polyethylene, makes film have higher dart impact strength, tear strength, heat seal strength and outstanding optical property, Heat stability is good; 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 thermally-stabilised capacitor film filler special, by following weight part (kilogram) raw material make: metallocene linear low density polyethylene 15, five boronation two molybdenums 2.5, PFPE 2.5, ammonium pentaborate 4, Zinc Gluconate 1.5, cobalt sesquioxide 2.5, Repone K 1, polyisobutene 1.5, succinimide 3, municipal sludge 54,6% hydrochloric acid are appropriate, water appropriate, auxiliary agent 17;
Described auxiliary agent by following weight part (kilogram) raw material make: super-fine silicon micro-powder 2.5, plant ash 6,1.5% hydrochloric acid soln 13, turps 0.3, polyester acrylate 1.5, Magnesium Stearate 1.5, Resorcinol 0.3, chromium carbide 1.4, methacrylic ester 2.5, zinc oleate 0.5, urotropine 0.2, ginger essential oil 0.3, oleic acid 1.5, silane resin acceptor kh-550 1.5, Sodium Persulfate 0.1, lauric acid polyoxyethylene ester 0.1, water are appropriate; Preparation method is: plant ash is mixed with 1.5% hydrochloric acid soln, be heated to 75 ℃, stirring reaction 25 minutes, being washed to pH is 7, dry, mix with turps, Resorcinol, zinc oleate, urotropine, ginger essential oil, oleic acid, silane resin acceptor kh-550 again, grind 18 minutes, obtain plant ash particle; Again lauric acid polyoxyethylene ester is added in suitable quantity of water, add again plant ash particle, after stirring, add polyester acrylate, methacrylic ester, after stirring, be warming up to 85 ℃, add Sodium Persulfate, stirring reaction 25 minutes, then add chromium carbide, super-fine silicon micro-powder, continue stirring reaction 35 minutes, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.
The preparation method of described thermally-stabilised capacitor film filler special, comprises the following steps:
(1) municipal sludge is sent in calcining furnace, at 750 ℃, calcined 2.5 hours, take out and pulverize, cross 100 mesh sieves, then add 6% 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 low density polyethylene, five boronation two molybdenums, PFPE, ammonium pentaborate, Zinc Gluconate, cobalt sesquioxide, Repone K, polyisobutene, succinimide 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 thermally-stabilised capacitor film filler special, is characterized in that being made by the raw material of following weight part: metallocene linear low density polyethylene 13-17, five boronation two molybdenum 2-3, PFPE 2-3, ammonium pentaborate 3-5, Zinc Gluconate 1-2, cobalt sesquioxide 2-3, Repone K 0.8-1.2, polyisobutene 1-2, succinimide 2-4, municipal sludge 50-55,5-7% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made by the raw material of following weight part: super-fine silicon micro-powder 2-3, plant ash 5-7,1-2% hydrochloric acid soln 10-15, turps 0.3-0.4, polyester acrylate 1-2, Magnesium Stearate 1-2, Resorcinol 0.2-0.4, chromium carbide 1.3-1.6, methacrylic ester 2-3, zinc oleate 0.4-0.6, urotropine 0.2-0.3, ginger essential oil 0.3-0.4, oleic acid 1-2, silane resin acceptor kh-550 1-2, Sodium Persulfate 0.1-0.2, lauric acid polyoxyethylene ester 0.1-0.2, water are appropriate; Preparation method is: plant ash is mixed with 1-2% hydrochloric acid soln, be heated to 70-80 ℃, stirring reaction 20-30 minute, being washed to pH is 6-8, dry, mix with turps, Resorcinol, zinc oleate, urotropine, ginger essential oil, oleic acid, silane resin acceptor kh-550 again, grind 15-20 minute, obtain plant ash particle; Again lauric acid polyoxyethylene ester is added in suitable quantity of water, add again plant ash particle, after stirring, add polyester acrylate, methacrylic ester, after stirring, be warming up to 80-90 ℃, add Sodium Persulfate, stirring reaction 20-30 minute, then add chromium carbide, super-fine silicon micro-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 thermally-stabilised capacitor film filler special according to claim 1, is characterized in that comprising the following steps:
(1) municipal sludge is 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) metallocene linear low density polyethylene, five boronation two molybdenums, PFPE, ammonium pentaborate, Zinc Gluconate, cobalt sesquioxide, Repone K, polyisobutene, succinimide 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.
Priority Applications (1)
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CN201410368726.0A CN104140563A (en) | 2014-07-30 | 2014-07-30 | Padding special for capacitor film with thermal stability and preparation method of padding |
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CN201410368726.0A CN104140563A (en) | 2014-07-30 | 2014-07-30 | Padding special for capacitor film with thermal stability and preparation method of padding |
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CN201410368726.0A Pending CN104140563A (en) | 2014-07-30 | 2014-07-30 | Padding special for capacitor film with thermal stability and preparation method of padding |
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- 2014-07-30 CN CN201410368726.0A patent/CN104140563A/en active Pending
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Application publication date: 20141112 |
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