CN104086866B - A kind of high-strength and ageing resistance capacitor film filler special and preparation method thereof - Google Patents
A kind of high-strength and ageing resistance capacitor film filler special and preparation method thereof Download PDFInfo
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- CN104086866B CN104086866B CN201410308290.6A CN201410308290A CN104086866B CN 104086866 B CN104086866 B CN 104086866B CN 201410308290 A CN201410308290 A CN 201410308290A CN 104086866 B CN104086866 B CN 104086866B
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
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- C08K2201/011—Nanostructured additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
A kind of high-strength and ageing resistance capacitor film filler special, is made up of the raw material of following weight part: carbon black 5-7, calcium carbonate 3-5, dioctyl sebacate 1-1.5, lithium carbide 1-2, lithium bentonite 4-5, calcined kaolin 3-4, cis-1,4-polybutadiene rubber 4-6, Sulfur 0.7-1.2, cyanuric acid zinc 1.5-1.8, nano-titanium 3-5, zinc oxide 7-9, clay 50-55,4-6% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20; Filler of the present invention can improve tear-resistant intensity, the impact strength of polypropylene film greatly, and by adding nano-titanium, carbon black, improves the light aging resisting property of film, by using clay, reduces 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-strength and ageing resistance 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-strength and ageing resistance capacitor film filler special and preparation method thereof, this filler can improve tear-resistant intensity, the impact strength of polypropylene film greatly, and can improve the light aging resisting property of film, cost is low.
Technical scheme of the present invention is as follows:
A kind of high-strength and ageing resistance capacitor film filler special, is characterized in that being made up of the raw material of following weight part: carbon black 5-7, calcium carbonate 3-5, dioctyl sebacate 1-1.5, lithium carbide 1-2, lithium bentonite 4-5, calcined kaolin 3-4, cis-1,4-polybutadiene rubber 4-6, Sulfur 0.7-1.2, cyanuric acid zinc 1.5-1.8, nano-titanium 3-5, zinc oxide 7-9, clay 50-55,4-6% hydrochloric acid is 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-strength and ageing resistance capacitor film filler special, is characterized in that comprising the following steps:
(1) lithium bentonite, clay are sent in calcining furnace, at 700-800 DEG C, calcine 2-3 hour, take out and pulverize together with calcined kaolin, 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) pulverized by cis-1,4-polybutadiene rubber, cross 80 mesh sieves, mix with dioctyl sebacate, Sulfur, cyanuric acid zinc, grinding 20-30 minute, obtains mixture;
(3) material that (1) step and (2) step obtain is mixed with carbon black, calcium carbonate, lithium carbide, zinc 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
Filler of the present invention can improve tear-resistant intensity, the impact strength of polypropylene film greatly, and by adding nano-titanium, carbon black, improves the light aging resisting property of film, by using clay, reduces 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-strength and ageing resistance capacitor film filler special, is made up of the raw material of following weight part (kilogram): carbon black 6, calcium carbonate 4, dioctyl sebacate 1.3, lithium carbide 1.5, lithium bentonite 4.5, calcined kaolin 3.5, cis-1,4-polybutadiene rubber 5, Sulfur 1, cyanuric acid zinc 1.7, nano-titanium 4, zinc oxide 8, clay 53,4-6% hydrochloric acid are appropriate, water appropriate, auxiliary agent 17;
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-strength and ageing resistance capacitor film filler special, comprises the following steps:
(1) lithium bentonite, clay are sent in calcining furnace, calcine 2.5 hours at 750 DEG C, take out and pulverize together with calcined kaolin, cross 100 mesh sieves, add 5% hydrochloric acid of 2.5 times again, be heated to 60 DEG C, stir 15 minutes, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;
(2) cis-1,4-polybutadiene rubber is pulverized, cross 80 mesh sieves, mix with dioctyl sebacate, Sulfur, cyanuric acid zinc, grind 25 minutes, obtain mixture;
(3) material that (1) step and (2) step obtain is mixed with carbon black, calcium carbonate, lithium carbide, zinc 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-strength and ageing resistance capacitor film filler special, is characterized in that being made up of the raw material of following weight part: carbon black 5-7, calcium carbonate 3-5, dioctyl sebacate 1-1.5, lithium carbide 1-2, lithium bentonite 4-5, calcined kaolin 3-4, cis-1,4-polybutadiene rubber 4-6, Sulfur 0.7-1.2, cyanuric acid zinc 1.5-1.8, nano-titanium 3-5, zinc oxide 7-9, clay 50-55,4-6% 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-strength and ageing resistance capacitor film filler special comprises the following steps:
(1) lithium bentonite, clay are sent in calcining furnace, at 700-800 DEG C, calcine 2-3 hour, take out and pulverize together with calcined kaolin, 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) pulverized by cis-1,4-polybutadiene rubber, cross 80 mesh sieves, mix with dioctyl sebacate, Sulfur, cyanuric acid zinc, grinding 20-30 minute, obtains mixture;
(3) material that (1) step and (2) step obtain is mixed with carbon black, calcium carbonate, lithium carbide, zinc 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410308290.6A CN104086866B (en) | 2014-07-01 | 2014-07-01 | A kind of high-strength and ageing resistance capacitor film filler special and preparation method thereof |
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| CN201410308290.6A CN104086866B (en) | 2014-07-01 | 2014-07-01 | A kind of high-strength and ageing resistance capacitor film filler special and preparation method thereof |
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| CN104086866B true CN104086866B (en) | 2016-03-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893094A (en) * | 2015-03-26 | 2015-09-09 | 苏州市德莱尔建材科技有限公司 | Anti-ageing polypropylene film and preparation method therefor |
| CN105037776A (en) * | 2015-08-03 | 2015-11-11 | 铜陵市胜达电子科技有限责任公司 | Nano-carbon-sol-doped polypropylene-based composite dielectric film used for film capacitors and preparation method of nano-carbon-sol-doped polypropylene-based composite dielectric film |
| CN105037774A (en) * | 2015-08-03 | 2015-11-11 | 铜陵市胜达电子科技有限责任公司 | Nano-copper-doped polypropylene-based composite dielectric film used for film capacitors and preparation method of nano-copper-doped polypropylene-based composite dielectric film |
| CN105085964A (en) * | 2015-08-03 | 2015-11-25 | 铜陵市胜达电子科技有限责任公司 | Nano-hydroxyapatite doped anti-static polypropylene-based composite dielectric film for film capacitor and preparation method thereof |
| CN105111482A (en) * | 2015-08-03 | 2015-12-02 | 铜陵市胜达电子科技有限责任公司 | Acetylene-black-mixed polypropylene-based composite dielectric film used for film capacitor and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0628592A1 (en) * | 1993-06-11 | 1994-12-14 | FELIX SCHOELLER JR. FOTO- UND SPEZIALPAPIERE GmbH & Co. KG. | Premixture, masterbatch or coating compound for the preparation of photographic layers |
| US6340530B1 (en) * | 2000-04-28 | 2002-01-22 | Honeywell International Inc. | Matte coextruded nylon film for book covers |
| CN1351385A (en) * | 2000-10-30 | 2002-05-29 | 住友化学工业株式会社 | Porous film, baffle for battery and battery |
| CN101469087A (en) * | 2007-12-29 | 2009-07-01 | 上海润龙包装用品有限公司 | Polyethylene membrane composite master batch |
| CN101797800A (en) * | 2009-12-30 | 2010-08-11 | 四川华通特种工程塑料研究中心有限公司 | Technology for preparing polyphenyl sulfide composite film |
| CN103013135A (en) * | 2012-11-25 | 2013-04-03 | 安徽六方重联机械股份有限公司 | Automobile valve oil seal rubber and preparation method thereof |
| CN103035405A (en) * | 2012-12-11 | 2013-04-10 | 安徽省宁国市麦特电器有限公司 | Stuffing for capacitor and preparation method thereof |
-
2014
- 2014-07-01 CN CN201410308290.6A patent/CN104086866B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0628592A1 (en) * | 1993-06-11 | 1994-12-14 | FELIX SCHOELLER JR. FOTO- UND SPEZIALPAPIERE GmbH & Co. KG. | Premixture, masterbatch or coating compound for the preparation of photographic layers |
| US6340530B1 (en) * | 2000-04-28 | 2002-01-22 | Honeywell International Inc. | Matte coextruded nylon film for book covers |
| CN1351385A (en) * | 2000-10-30 | 2002-05-29 | 住友化学工业株式会社 | Porous film, baffle for battery and battery |
| CN101469087A (en) * | 2007-12-29 | 2009-07-01 | 上海润龙包装用品有限公司 | Polyethylene membrane composite master batch |
| CN101797800A (en) * | 2009-12-30 | 2010-08-11 | 四川华通特种工程塑料研究中心有限公司 | Technology for preparing polyphenyl sulfide composite film |
| CN103013135A (en) * | 2012-11-25 | 2013-04-03 | 安徽六方重联机械股份有限公司 | Automobile valve oil seal rubber and preparation method thereof |
| CN103035405A (en) * | 2012-12-11 | 2013-04-10 | 安徽省宁国市麦特电器有限公司 | Stuffing for capacitor and preparation method thereof |
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