CN104086863B - A kind of high dispersive capacitor film filler special and preparation method thereof - Google Patents
A kind of high dispersive capacitor film filler special and preparation method thereof Download PDFInfo
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- CN104086863B CN104086863B CN201410308286.XA CN201410308286A CN104086863B CN 104086863 B CN104086863 B CN 104086863B CN 201410308286 A CN201410308286 A CN 201410308286A CN 104086863 B CN104086863 B CN 104086863B
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K2003/2241—Titanium dioxide
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Abstract
A kind of high dispersive capacitor film filler special, is made up of the raw material of following weight part: phosphoric acid ester fatty alcohol 0.5-0.7, adipic acid ester 0.4-0.7, epoxy soybean oil 0.5-0.7, xitix 2-2.4, crystalline graphite powder 4-7, isobutyl acetate 0.2-0.4, polydimethylsiloxane 0.1-0.2, medical stone 5-7, tin protochloride 1-1.4, nano titanium oxide 2-3, clay 60-65,4-6% hydrochloric acid are appropriate, water appropriate, auxiliary agent 15-20; Fillers dispersed of the present invention is good, and strengthening action is good, and quality is homogeneous, and film strength is high, good insulating; By using clay, reduce cost; The application of the invention auxiliary agent, can improve the dispersiveness of filler, reinforcing property, can improve thin film strength and tough.
Description
Technical field
The invention belongs to capacitor film field, particularly a kind of high dispersive capacitor film filler special and preparation method thereof.
Background technology
Film capacitor, owing to having much excellent characteristic, is therefore a kind of electrical condenser of excellent performance.Its property such as main is as follows: nonpolarity, insulation impedance is very high, frequency response characteristic excellence (frequency response is broad), and dielectric loss is very little.Based on above advantage, so film capacitor is widely used on mimic channel.Especially in the part of signal commissure, necessary frequency of utilization characteristic is good, the electrical condenser that dielectric loss is extremely low, can guaranteeing that signal is when transmitting, not having too large distortion situation and occurring.
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 be used in the frequency of sound appliances and quantity also more and more high.Simple polypropylene (PP) although film has heat-resisting, corrosion-resistant, the outstanding advantages of goods used vapour sterilization, and density is little, is the lightest general-purpose plastics; But there is low-temperature impact resistance difference in it, more aging shortcoming.Polystyrene (PS) film has high transparency, and electrical insulation capability is good, easy coloring, and processing fluidity is good, good rigidly and chemical resistance good, but more crisp, shock strength is low, easily occurs stress cracking, poor heat resistance and not resistance to boiling water; Therefore need to carry out modification to film.And increase gradually along with the range of application of electrical condenser, 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 by add filler modified come improving SNR.
Summary of the invention
The object of the present invention is to provide a kind of high dispersive capacitor film filler special and preparation method thereof, this fillers dispersed is good, and strengthening action is good, and quality is homogeneous, and film strength is high, good insulating.
Technical scheme of the present invention is as follows:
A kind of high dispersive capacitor film filler special, is characterized in that being made up of the raw material of following weight part: phosphoric acid ester fatty alcohol 0.5-0.7, adipic acid ester 0.4-0.7, epoxy soybean oil 0.5-0.7, xitix 2-2.4, crystalline graphite powder 4-7, isobutyl acetate 0.2-0.4, polydimethylsiloxane 0.1-0.2, medical stone 5-7, tin protochloride 1-1.4, nano titanium oxide 2-3, clay 60-65,4-6% hydrochloric acid are appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made up of the raw material of following weight parts: wilkinite 2-3,2-2.5% sodium hydroxide solution 10-15, Shawinigan black 2-3, methacrylic ester 1-2, ethyl propenoate 0.4-0.7, Paris white 10-15, Sodium dodecylbenzene sulfonate 0.1-0.2, magnesium borate crystal whisker 1-1.3, nano zinc powder 2-4, ptfe micropowder 0.4-0.6, Oleum Bupleuri 0.5-0.8, Potassium Persulphate 0.1-0.2, water are appropriate; Preparation method is: wilkinite mixes with 2-2.5% sodium hydroxide solution, is heated to 70-80 DEG C, stirring reaction 20-30 minute, and filter, obtain filter residue, being washed to pH is 7-8, and ovendry power is broken into the particle of 2-50 μm; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add described bentonite clay particle, Paris white again, add methacrylic ester, ethyl propenoate after stirring, after stirring, be warming up to 70-80 DEG C, add Potassium Persulphate, stirring reaction 20-30 minute, then add Shawinigan black, nano zinc powder, continue stirring reaction 30-40 minute, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μm, to obtain final product.
The preparation method of described high dispersive capacitor film filler special, is characterized in that comprising the following steps:
(1) medical stone, clay are sent in calcining furnace, at 700-800 DEG C, calcine 2-3 hour, take out and pulverize, cross 100 mesh sieves, add 2-3 4-6% hydrochloric acid doubly again, be heated to 50-70 DEG C, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;
(2) by phosphoric acid ester fatty alcohol, adipic acid ester, epoxy soybean oil, xitix, crystalline graphite powder, isobutyl acetate, polydimethylsiloxane mixing, grinding 20-30 minute, obtains mixture;
(3) material that (1) step and (2) step obtain is mixed with tin protochloride, nano titanium oxide, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, then mix with other remaining components, to obtain final product.
Beneficial effect of the present invention
Fillers dispersed of the present invention is good, and strengthening action is good, and quality is homogeneous, and film strength is high, good insulating; By using clay, reduce cost; The application of the invention auxiliary agent, can improve the dispersiveness of filler, reinforcing property, can improve thin film strength and tough.
Embodiment
A kind of high dispersive capacitor film filler special, is made up of the raw material of following weight part (kilogram): phosphoric acid ester fatty alcohol 0.6, adipic acid ester 0.6, epoxy soybean oil 0.6, xitix 2.2, crystalline graphite powder 5, isobutyl acetate 0.3, polydimethylsiloxane 0.1, medical stone 6, tin protochloride 1.2, nano titanium oxide 2.5, clay 63,5% hydrochloric acid are appropriate, water appropriate, auxiliary agent 18;
Described auxiliary agent is made up of the raw material of following weight parts (kilogram): wilkinite 2.5,2.3% sodium hydroxide solution 13, Shawinigan black 2.5, methacrylic ester 1.5, ethyl propenoate 0.6, Paris white 13, Sodium dodecylbenzene sulfonate 0.1, magnesium borate crystal whisker 1.2, nano zinc powder 3, ptfe micropowder 0.5, Oleum Bupleuri 0.6, Potassium Persulphate 0.1, water are appropriate; Preparation method is: wilkinite mixes with 2.3% sodium hydroxide solution, is heated to 75 DEG C, stirring reaction 25 minutes, and filter, obtain filter residue, being washed to pH is 8, and ovendry power is broken into the particle of 2-50 μm; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add described bentonite clay particle, Paris white again, after stirring, add methacrylic ester, ethyl propenoate, after stirring, be warming up to 75 DEG C, add Potassium Persulphate, stirring reaction 25 minutes, then add Shawinigan black, nano zinc powder, continue stirring reaction 35 minutes, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μm, to obtain final product.
The preparation method of described high dispersive capacitor film filler special, comprises the following steps:
(1) medical stone, clay are sent in calcining furnace, calcine 2.5 hours at 750 DEG C, take out and pulverize, cross 100 mesh sieves, then add 5% hydrochloric acid of 2.5 times, be heated to 60 DEG C, stir 15 minutes, filter, obtain filter residue, pickling once, then is washed to neutrality more as stated above, filters, obtains particle;
(2) by phosphoric acid ester fatty alcohol, adipic acid ester, epoxy soybean oil, xitix, crystalline graphite powder, isobutyl acetate, polydimethylsiloxane mixing, grind 25 minutes, obtain mixture;
(3) material that (1) step and (2) step obtain is mixed with tin protochloride, nano titanium oxide, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, then mix with other remaining components, to obtain final product.
Experimental data: added to by the filler of the present embodiment in polypropylene capacitor film, addition is 10-15%, and film thickness is 2-50 μm, film breakdown magnitude of voltage >=0.60kV/ μm (100 DEG C).
Claims (1)
1. a high dispersive capacitor film filler special, is characterized in that being made up of the raw material of following weight part: phosphoric acid ester fatty alcohol 0.5-0.7, adipic acid ester 0.4-0.7, epoxy soybean oil 0.5-0.7, xitix 2-2.4, crystalline graphite powder 4-7, isobutyl acetate 0.2-0.4, polydimethylsiloxane 0.1-0.2, medical stone 5-7, tin protochloride 1-1.4, nano titanium oxide 2-3, clay 60-65,4-6% hydrochloric acid are appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made up of the raw material of following weight parts: wilkinite 2-3,2-2.5% sodium hydroxide solution 10-15, Shawinigan black 2-3, methacrylic ester 1-2, ethyl propenoate 0.4-0.7, Paris white 10-15, Sodium dodecylbenzene sulfonate 0.1-0.2, magnesium borate crystal whisker 1-1.3, nano zinc powder 2-4, ptfe micropowder 0.4-0.6, Oleum Bupleuri 0.5-0.8, Potassium Persulphate 0.1-0.2, water are appropriate; Preparation method is: wilkinite mixes with 2-2.5% sodium hydroxide solution, is heated to 70-80 DEG C, stirring reaction 20-30 minute, and filter, obtain filter residue, being washed to pH is 7-8, and ovendry power is broken into the particle of 2-50 μm; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add described bentonite clay particle, Paris white again, add methacrylic ester, ethyl propenoate after stirring, after stirring, be warming up to 70-80 DEG C, add Potassium Persulphate, stirring reaction 20-30 minute, then add Shawinigan black, nano zinc powder, continue stirring reaction 30-40 minute, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μm, to obtain final product;
The preparation method of described high dispersive capacitor film filler special comprises the following steps:
(1) medical stone, clay are sent in calcining furnace, at 700-800 DEG C, calcine 2-3 hour, take out and pulverize, cross 100 mesh sieves, add 2-3 4-6% hydrochloric acid doubly again, be heated to 50-70 DEG C, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;
(2) by phosphoric acid ester fatty alcohol, adipic acid ester, epoxy soybean oil, xitix, crystalline graphite powder, isobutyl acetate, polydimethylsiloxane mixing, grinding 20-30 minute, obtains mixture;
(3) material that (1) step and (2) step obtain is mixed with tin protochloride, nano titanium oxide, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, then mix with other remaining components, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308286.XA CN104086863B (en) | 2014-07-01 | 2014-07-01 | A kind of high dispersive capacitor film filler special and preparation method thereof |
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| CN201410308286.XA CN104086863B (en) | 2014-07-01 | 2014-07-01 | A kind of high dispersive capacitor film filler special and preparation method thereof |
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| CN104086863A CN104086863A (en) | 2014-10-08 |
| CN104086863B true CN104086863B (en) | 2016-04-20 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1897178A (en) * | 2005-07-15 | 2007-01-17 | 上海紫东薄膜材料股份有限公司 | Two-way stretched polyester thin-film of capacitor and its production |
| CN102176373B (en) * | 2011-02-14 | 2012-08-22 | 扬州凯普电子有限公司 | High-capacity energy storage capacitor |
| CN102604203A (en) * | 2012-01-18 | 2012-07-25 | 成都慧成科技有限责任公司 | Improved microporous polymer film and preparation method thereof |
| CN102751460B (en) * | 2012-05-23 | 2014-08-13 | 杭州福膜新材料科技有限公司 | High-temperature-resisting composite isolation film and preparation method thereof |
| CN102964658B (en) * | 2012-10-31 | 2014-07-16 | 安徽省易达电子有限公司 | Capacitor film with low density polyethylene as substrate and preparation method thereof |
| CN103724845A (en) * | 2013-12-18 | 2014-04-16 | 芜湖万润机械有限责任公司 | Composite polyolefin capacitor metallized film with small size and high compression strength and preparation method thereof |
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