CN103102573A - Capacitor thin film containing modified celestite powder and preparation method thereof - Google Patents
Capacitor thin film containing modified celestite powder and preparation method thereof Download PDFInfo
- Publication number
- CN103102573A CN103102573A CN2012104528968A CN201210452896A CN103102573A CN 103102573 A CN103102573 A CN 103102573A CN 2012104528968 A CN2012104528968 A CN 2012104528968A CN 201210452896 A CN201210452896 A CN 201210452896A CN 103102573 A CN103102573 A CN 103102573A
- Authority
- CN
- China
- Prior art keywords
- modification
- celestite powder
- diatomite
- polypropylene
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a capacitor thin film containing modified celestite powder and a preparation method thereof. The capacitor thin film containing modified celestite powder comprises the following raw materials in parts by weight: 47-55 of homogeneous ethylene/alpha olefin copolymer, 30-35 of metallocene polypropylene resin, 10-15 of homo-polypropylene, 3-5 of epoxy linseed oil, 2-3 of polyvinyl alcohol, 1-2 of aluminum hydroxide, 1-2 of polyisobutylene, 8-12 of diatomite, 1-2 of ferrocene, 1.7-2.0 of poly-4-methyl-1-amylene, 6-8 of modified celestite powder, 0.6-0.8 of antioxidant 168, 1.2-1.6 of propanediol sebacate polyester, 1.7-1.9 of epoxidation triglyceride, 1-3 of calcium stearate, and 1.5-2.5 of modified trees ash. The preparation method disclosed by the invention is simple; and simultaneously, the diatomite, the modified celestite powder and the modified trees ash are added to the raw materials so that the barrier property and air tightness of the thin film are improved, and the thin film has good resistance to pressure and impact resistance and simultaneously has the characteristics of high heat-seal strength and good heat sealing property.
Description
Technical field
The present invention relates to a kind of capacitor film material, be specifically related to a kind of capacitor film that contains the modification celestite powder and preparation method thereof.
Background technology
Film capacitor is to work as electrode with tinsel, with itself and poly-ethyl ester, polypropylene, the plastics films such as polystyrene or polycarbonate, overlapping from two ends after, be wound into the electrical condenser of structure cylindraceous; 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, certainly the price of these two kinds of electrical condensers is also higher, the film quality of electrical condenser directly affects work-ing life and the product performance of electrical condenser, the demand of capacitor film is large, kind is many, adopt the very difficult requirement that adapts to market of film of single raw material production, but every kind of raw material has its weak point, so the film of producing is difficult to satisfy the demand of various situations.
Summary of the invention
the object of the present invention is to provide a kind of capacitor film that contains the modification celestite powder and preparation method thereof, the present invention adopts homogeneous ethylene/alpha olefin polymer and two kinds of raw materials of metallocene polypropylene resins to mix, and add the multiple auxiliary materials additive through extruding, blown film typing and cutting make capacitor film, the preparation method is simple, added simultaneously diatomite in raw material, modification celestite powder and modification trees ashes, barrier and the resistance to air loss of film have been strengthened, have good resistance to pressure and shock-resistance, has simultaneously heat seal strength high, the characteristics that heat sealability is good.
The present invention adopts following technical scheme to achieve these goals:
The capacitor film that contains the modification celestite powder, the weight part of its constitutive material is: homogeneous ethylene/alpha olefin polymer 47-55, metallocene polypropylene resins 30-35, homo-polypropylene 10-15, epoxy Toenol 1140 3-5, polyvinyl alcohol 2-3, aluminium hydroxide 1-2, polyisobutene 1-2, diatomite 8-12, ferrocene 1-2, poly--4-methyl-1-pentene 1.7-2.0, modification celestite powder 6-8, irgasfos 168 0.6-0.8, sebacic acid propanediol polyester 1.2-1.6, epoxidation tri-glyceride 1.7-1.9, calcium stearate 1-3 and modification trees ashes 1.5-2.5.
The capacitor film that contains the modification celestite powder, the weight part of its constitutive material is: homogeneous ethylene/alpha olefin polymer 52, metallocene polypropylene resins 32, homo-polypropylene 12, epoxy Toenol 1140 4, polyvinyl alcohol 2.5, aluminium hydroxide 1.5, polyisobutene 1.5, diatomite 10, ferrocene 1.5, poly--4-methyl-1-pentene 1.8, modification celestite powder 7, irgasfos 168 0.7, sebacic acid propanediol polyester 1.4, epoxidation tri-glyceride 1.8, calcium stearate 2 and modification trees ashes 2.
Contain the preparation method of the capacitor film of modification celestite powder, comprise the following steps:
(1), take diatomite by the weight part of constitutive material, first with diatomite with 20-25% hydrogen peroxide dipping 3-4 hour, at 400-450 ℃ of lower roasting 3-4 hour, be ground into 400-45 order powder;
(2), the weight part by constitutive material adds epoxy Toenol 1140, polyvinyl alcohol in mixer, be warming up to 80-85 ℃, add again polyisobutene, aluminium hydroxide, ferrocene to stir after 10-15 minute, add again the diatomite after step (1) is processed, stir and be heated to 160-170 ℃, add at last homo-polypropylene to stir 20-30 minute, obtain the modification homo-polypropylene;
(3), take other constitutive materials by the weight part of constitutive material, then and the modification homo-polypropylene of step (2) after processing mix and stir; Send into extrusion machine fused mass and extrude, melt temperature is 175-195 ℃; Carry out the typing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 185-225 ℃; Then traction cutting, last rolling obtains.
The preparation method of described modification trees ashes is for adding Silane coupling agent KH550,0.2-0.3% sodium laurylsulfate and the 1-2% aluminium hydroxide of 1-2% in the trees ashes, after high-speed stirring 1-2 hour, grinding obtains.
The preparation method of described modification celestite powder is for first using 15-20% hydrochloric acid eight days soaking period green stone 1-2 hour, and is standing, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5% even, oven dry is ground into powder and obtains.
The melting index of described homogeneous ethylene/alpha olefin polymer is between 2.0-5.0g/10min, and density is 0.89-0.92 g/cm
3Between; The melting index of described metallocene polypropylene resins is between 2.0-5.0g/10min, and density is 0.89-0.90 g/cm
3Between.
Beneficial effect of the present invention:
The present invention adopts homogeneous ethylene/alpha olefin polymer and two kinds of raw materials of metallocene polypropylene resins to mix, and interpolation multiple auxiliary materials additive process is extruded, blown film is finalized the design and cutting makes capacitor film, the preparation method is simple, diatomite, modification celestite powder and modification trees ashes have been added simultaneously in raw material, barrier and the resistance to air loss of film have been strengthened, have good resistance to pressure and shock-resistance, have simultaneously the characteristics that heat seal strength is high, heat sealability is good.
Embodiment
Embodiment 1: contain the capacitor film of modification celestite powder, the weight part of its constitutive material is: homogeneous ethylene/alpha olefin polymer 52, metallocene polypropylene resins 32, homo-polypropylene 12, epoxy Toenol 1140 4, polyvinyl alcohol 2.5, aluminium hydroxide 1.5, polyisobutene 1.5, diatomite 10, ferrocene 1.5, poly--4-methyl-1-pentene 1.8, modification celestite powder 7, irgasfos 168 0.7, sebacic acid propanediol polyester 1.4, epoxidation tri-glyceride 1.8, calcium stearate 2 and modification trees ashes 2.
Contain the preparation method of the capacitor film of modification celestite powder, comprise the following steps:
(1), take diatomite by the weight part of constitutive material, first with diatomite with 20-25% hydrogen peroxide dipping 3-4 hour, at 400-450 ℃ of lower roasting 3-4 hour, be ground into 400-45 order powder;
(2), the weight part by constitutive material adds epoxy Toenol 1140, polyvinyl alcohol in mixer, be warming up to 80-85 ℃, add again polyisobutene, aluminium hydroxide, ferrocene to stir after 10-15 minute, add again the diatomite after step (1) is processed, stir and be heated to 160-170 ℃, add at last homo-polypropylene to stir 20-30 minute, obtain the modification homo-polypropylene;
(3), take other constitutive materials by the weight part of constitutive material, then and the modification homo-polypropylene of step (2) after processing mix and stir; Send into extrusion machine fused mass and extrude, melt temperature is 175-195 ℃; Carry out the typing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 185-225 ℃; Then traction cutting, last rolling obtains.
The preparation method of described modification trees ashes is for adding Silane coupling agent KH550,0.2-0.3% sodium laurylsulfate and the 1-2% aluminium hydroxide of 1-2% in the trees ashes, after high-speed stirring 1-2 hour, grinding obtains.
The preparation method of described modification celestite powder is for first using 15-20% hydrochloric acid eight days soaking period green stone 1-2 hour, and is standing, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5% even, oven dry is ground into powder and obtains.
The melting index of described homogeneous ethylene/alpha olefin polymer is between 2.0-5.0g/10min, and density is 0.89-0.92 g/cm
3Between; The melting index of described metallocene polypropylene resins is between 2.0-5.0g/10min, and density is 0.89-0.90 g/cm
3Between.
The Performance Detection of the capacitor film that above-described embodiment 1 makes is as follows:
MFR (g/10min): 33.7; Tensile strength (Mpa): 41.8; Heat seal strength: 11.4; Flexural strength (Mpa): 51; Modulus in flexure (Mpa): 2247; Frictional coefficient: 0.195; Percent thermal shrinkage (%): 0.85-0.90; Glossiness (%): 81.2-84.6.
Claims (6)
1. capacitor film that contains the modification celestite powder, the weight part that it is characterized in that its constitutive material is: homogeneous ethylene/alpha olefin polymer 47-55, metallocene polypropylene resins 30-35, homo-polypropylene 10-15, epoxy Toenol 1140 3-5, polyvinyl alcohol 2-3, aluminium hydroxide 1-2, polyisobutene 1-2, diatomite 8-12, ferrocene 1-2, poly--4-methyl-1-pentene 1.7-2.0, modification celestite powder 6-8, irgasfos 168 0.6-0.8, sebacic acid propanediol polyester 1.2-1.6, epoxidation tri-glyceride 1.7-1.9, calcium stearate 1-3 and modification trees ashes 1.5-2.5.
2. the capacitor film that contains the modification celestite powder according to claim 1, is characterized in that the weight part of its constitutive material is: homogeneous ethylene/alpha olefin polymer 52, metallocene polypropylene resins 32, homo-polypropylene 12, epoxy Toenol 1140 4, polyvinyl alcohol 2.5, aluminium hydroxide 1.5, polyisobutene 1.5, diatomite 10, ferrocene 1.5, poly--4-methyl-1-pentene 1.8, modification celestite powder 7, irgasfos 168 0.7, sebacic acid propanediol polyester 1.4, epoxidation tri-glyceride 1.8, calcium stearate 2 and modification trees ashes 2.
3. preparation method who contains the capacitor film of modification celestite powder as claimed in claim 1 is characterized in that comprising the following steps:
(1), take diatomite by the weight part of constitutive material, first with diatomite with 20-25% hydrogen peroxide dipping 3-4 hour, at 400-450 ℃ of lower roasting 3-4 hour, be ground into 400-45 order powder;
(2), the weight part by constitutive material adds epoxy Toenol 1140, polyvinyl alcohol in mixer, be warming up to 80-85 ℃, add again polyisobutene, aluminium hydroxide, ferrocene to stir after 10-15 minute, add again the diatomite after step (1) is processed, stir and be heated to 160-170 ℃, add at last homo-polypropylene to stir 20-30 minute, obtain the modification homo-polypropylene;
(3), take other constitutive materials by the weight part of constitutive material, then and the modification homo-polypropylene of step (2) after processing mix and stir; Send into extrusion machine fused mass and extrude, melt temperature is 175-195 ℃; Carry out the typing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 185-225 ℃; Then traction cutting, last rolling obtains.
4. the capacitor film that contains the modification celestite powder according to claim 1, it is characterized in that: the preparation method of described modification trees ashes is for adding Silane coupling agent KH550,0.2-0.3% sodium laurylsulfate and the 1-2% aluminium hydroxide of 1-2% in the trees ashes, after high-speed stirring 1-2 hour, grinding obtains.
5. the capacitor film that contains the modification celestite powder according to claim 1, it is characterized in that: the preparation method of described modification celestite powder is for first using 15-20% hydrochloric acid eight days soaking period green stone 1-2 hour, standing, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5% even, oven dry is ground into powder and obtains.
6. the capacitor film that contains the modification celestite powder according to claim 1, it is characterized in that: the melting index of described homogeneous ethylene/alpha olefin polymer is between 2.0-5.0g/10min, and density is 0.89-0.92 g/cm
3Between; The melting index of described metallocene polypropylene resins is between 2.0-5.0g/10min, and density is 0.89-0.90 g/cm
3Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104528968A CN103102573A (en) | 2012-11-13 | 2012-11-13 | Capacitor thin film containing modified celestite powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104528968A CN103102573A (en) | 2012-11-13 | 2012-11-13 | Capacitor thin film containing modified celestite powder and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103102573A true CN103102573A (en) | 2013-05-15 |
Family
ID=48310792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104528968A Pending CN103102573A (en) | 2012-11-13 | 2012-11-13 | Capacitor thin film containing modified celestite powder and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103102573A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103937100A (en) * | 2014-04-12 | 2014-07-23 | 安徽江威精密制造有限公司 | Polypropylene metallized film with good mechanical strength for capacitor and preparation method thereof |
| CN103937103A (en) * | 2014-04-12 | 2014-07-23 | 安徽江威精密制造有限公司 | Uniform-quality and heat-resistant capacitor metalized film and preparation method thereof |
| CN103951879A (en) * | 2014-04-12 | 2014-07-30 | 安徽江威精密制造有限公司 | Composite isotatic polypropylene capacitor metallized thin film, and preparation method thereof |
| CN104151700A (en) * | 2014-07-30 | 2014-11-19 | 安徽状元郎电子科技有限公司 | Special packing for breakdown-resistant capacitor thin film and preparation method of packing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007088924A1 (en) * | 2006-02-01 | 2007-08-09 | Daikin Industries, Ltd. | Highly dielectric film |
| CN102066466A (en) * | 2008-05-16 | 2011-05-18 | 埃克森美孚石油公司 | Biaxially oriented LLDPE blends |
| CN102265361A (en) * | 2008-12-22 | 2011-11-30 | 大金工业株式会社 | Film for film capacitor, and film capacitor |
| CN102712716A (en) * | 2009-12-30 | 2012-10-03 | 北欧化工公司 | Bopp with homogeneous film morphology |
-
2012
- 2012-11-13 CN CN2012104528968A patent/CN103102573A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007088924A1 (en) * | 2006-02-01 | 2007-08-09 | Daikin Industries, Ltd. | Highly dielectric film |
| CN102066466A (en) * | 2008-05-16 | 2011-05-18 | 埃克森美孚石油公司 | Biaxially oriented LLDPE blends |
| CN102265361A (en) * | 2008-12-22 | 2011-11-30 | 大金工业株式会社 | Film for film capacitor, and film capacitor |
| CN102712716A (en) * | 2009-12-30 | 2012-10-03 | 北欧化工公司 | Bopp with homogeneous film morphology |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103937100A (en) * | 2014-04-12 | 2014-07-23 | 安徽江威精密制造有限公司 | Polypropylene metallized film with good mechanical strength for capacitor and preparation method thereof |
| CN103937103A (en) * | 2014-04-12 | 2014-07-23 | 安徽江威精密制造有限公司 | Uniform-quality and heat-resistant capacitor metalized film and preparation method thereof |
| CN103951879A (en) * | 2014-04-12 | 2014-07-30 | 安徽江威精密制造有限公司 | Composite isotatic polypropylene capacitor metallized thin film, and preparation method thereof |
| CN103937100B (en) * | 2014-04-12 | 2016-06-08 | 安徽江威精密制造有限公司 | The electrical condenser polypropylene metallized film that a kind of physical strength is good and its preparation method |
| CN104151700A (en) * | 2014-07-30 | 2014-11-19 | 安徽状元郎电子科技有限公司 | Special packing for breakdown-resistant capacitor thin film and preparation method of packing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102964664B (en) | Capacitor film containing modified attapulgite and preparation method thereof | |
| CN102964679B (en) | Capacitor film containing modified talc and preparation method thereof | |
| CN103102582A (en) | Capacitor thin film containing modified nano-titanium dioxide and preparation method thereof | |
| CN102964658B (en) | Capacitor film with low density polyethylene as substrate and preparation method thereof | |
| CN103102574A (en) | Capacitor film with metallocene line-shaped low-density polyethylene resin as base body and preparation method thereof | |
| CN103102587A (en) | Capacitor thin film with homo-polypropylene as substrate and preparation method thereof | |
| CN103102588A (en) | Capacitor film with biaxially oriented polypropylene as base body and preparation method thereof | |
| CN103102581B (en) | Capacitor thin film containing modified sepiolite powder and preparation method thereof | |
| CN102964666B (en) | Capacitor film containing modified bentonite and preparation method thereof | |
| CN103102580B (en) | Capacitor thin film containing modified bauxite and preparation method thereof | |
| CN103102575B (en) | Capacitor thin film containing modified nano clay and preparation method thereof | |
| CN103102573A (en) | Capacitor thin film containing modified celestite powder and preparation method thereof | |
| WO2020173491A1 (en) | High-polarity flame retardant polypropylene composition, preparation method and application thereof | |
| CN105017674A (en) | Low-temperature anti-freezing polyvinyl chloride pipe and production method thereof | |
| CN102964665B (en) | Capacitor film with homogeneous ethylene / alpha olefin copolymer as substrate and preparation method thereof | |
| CN102399401A (en) | Environment-friendly cable filler and its preparation method | |
| CN102964825B (en) | Capacitor film with nylon PA66 as substrate and preparation method thereof | |
| CN110591262A (en) | Rubber magnet and preparation method thereof | |
| CN105086154A (en) | Polyethylene composite plastic particles | |
| CN103102665A (en) | Capacitor film with bisphenol A polycarbonate as base body and preparation method thereof | |
| CN110194860A (en) | A kind of PE heat shrink films and preparation method thereof | |
| CN105482263A (en) | Method for preparing heat-resistant and shrinkage-resistant polypropylene composite | |
| CN103102678B (en) | Capacitor film with nylon PA6 as base body and preparation method thereof | |
| CN106366440A (en) | Electric insulation material | |
| CN110885517B (en) | Stress whitening resistant hard transparent polyvinyl chloride and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20161019 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |