CN104140564A - Filler for flame-retardant capacitor film and preparation method of filler - Google Patents
Filler for flame-retardant capacitor film and preparation method of filler Download PDFInfo
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- CN104140564A CN104140564A CN201410368727.5A CN201410368727A CN104140564A CN 104140564 A CN104140564 A CN 104140564A CN 201410368727 A CN201410368727 A CN 201410368727A CN 104140564 A CN104140564 A CN 104140564A
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Abstract
A filler for a flame-retardant capacitor film comprises raw materials including, by weight, 8-10 parts of barium sulfate powder, 10-15 parts of hydrotalcite, 9-12 parts of antimonous oxide, 1-1.5 parts of nano indium powder, 2-3 parts of lithium oxide, 5-8 parts of zirconia, 1-1.4 parts of high-activity polyisobutene, 0.4-0.6 part of tea tree oil, 60-65 parts of urban sludge, a proper amount of 5-7% hydrochloric acid, a proper amount of water and 15-20 parts of promoters. The hydrotalcite and the antimonous oxide are added, so that flame retardancy is excellent; the barium sulfate powder and the zirconia are added, so that compactness and abrasion resistance of the film are improved; by means of the urban sludge, cost is lowered, fineness is high, and reinforcement performance is good; by means of the promoters, dispersity and reinforcement performance of the filler can be improved, and strength and impact toughness of the film can be improved.
Description
Technical field
The invention belongs to capacitor film field, particularly a kind of flame retardant type 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 flame retardant type capacitor film filler special and preparation method thereof, this filler flame retardant properties is excellent, can increase compactness, the wear resistance of film, has reduced cost, and fineness is high, and reinforcing property is good.
Technical scheme of the present invention is as follows:
A flame retardant type capacitor film filler special, is characterized in that being made by the raw material of following weight part: blaue fixe 8-10, hydrotalcite 10-15, antimonous oxide 9-12, nanometer indium powder 1-1.5, Lithium Oxide 98min 2-3, zirconium white 5-8, high-activity polyisobutene 1-1.4, tea tree oil 0.4-0.6, 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: 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 flame retardant type 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) hydrotalcite is pulverized, crossed 80 mesh sieves, mix with blaue fixe, antimonous oxide, nanometer indium powder, Lithium Oxide 98min, zirconium white, high-activity polyisobutene, tea tree oil, 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 hydrotalcite, antimonous oxide, and flame retardant properties is excellent; Also add blaue fixe, zirconium white, can increase compactness, the wear resistance of film; 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 flame retardant type capacitor film filler special, by following weight part (kilogram) raw material make: blaue fixe 9, hydrotalcite 13, antimonous oxide 11, nanometer indium powder 1.3, Lithium Oxide 98min 2.5, zirconium white 7, high-activity polyisobutene 1.2, tea tree oil 0.5, municipal sludge 63,6% hydrochloric acid are appropriate, water appropriate, auxiliary agent 18;
Described auxiliary agent by following weight part (kilogram) raw material make: 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 flame retardant type 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) hydrotalcite is pulverized, crossed 80 mesh sieves, mix with blaue fixe, antimonous oxide, nanometer indium powder, Lithium Oxide 98min, zirconium white, high-activity polyisobutene, tea tree oil, 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 flame retardant type capacitor film filler special, is characterized in that being made by the raw material of following weight part: blaue fixe 8-10, hydrotalcite 10-15, antimonous oxide 9-12, nanometer indium powder 1-1.5, Lithium Oxide 98min 2-3, zirconium white 5-8, high-activity polyisobutene 1-1.4, tea tree oil 0.4-0.6, 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: 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 flame retardant type 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) hydrotalcite is pulverized, crossed 80 mesh sieves, mix with blaue fixe, antimonous oxide, nanometer indium powder, Lithium Oxide 98min, zirconium white, high-activity polyisobutene, tea tree oil, 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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CN201410368727.5A CN104140564A (en) | 2014-07-30 | 2014-07-30 | Filler for flame-retardant capacitor film and preparation method of filler |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1282748A (en) * | 2000-08-22 | 2001-02-07 | 华东理工大学 | Composite filler of waste paper-making pulp, slurry and fibres and its application in preparing plastics |
CN102964664A (en) * | 2012-10-31 | 2013-03-13 | 安徽省易达电子有限公司 | Capacitor film containing modified attapulgite and preparation method thereof |
CN103554760A (en) * | 2013-10-30 | 2014-02-05 | 安徽国通高新管业股份有限公司 | Anti-ageing PVC (Polyvinyl Chloride) surface tube |
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2014
- 2014-07-30 CN CN201410368727.5A patent/CN104140564A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1282748A (en) * | 2000-08-22 | 2001-02-07 | 华东理工大学 | Composite filler of waste paper-making pulp, slurry and fibres and its application in preparing plastics |
CN102964664A (en) * | 2012-10-31 | 2013-03-13 | 安徽省易达电子有限公司 | Capacitor film containing modified attapulgite and preparation method thereof |
CN103554760A (en) * | 2013-10-30 | 2014-02-05 | 安徽国通高新管业股份有限公司 | Anti-ageing PVC (Polyvinyl Chloride) surface tube |
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Application publication date: 20141112 |