CN102964825A - Capacitor film with nylon PA66 as substrate and preparation method thereof - Google Patents
Capacitor film with nylon PA66 as substrate and preparation method thereof Download PDFInfo
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- CN102964825A CN102964825A CN2012104266950A CN201210426695A CN102964825A CN 102964825 A CN102964825 A CN 102964825A CN 2012104266950 A CN2012104266950 A CN 2012104266950A CN 201210426695 A CN201210426695 A CN 201210426695A CN 102964825 A CN102964825 A CN 102964825A
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Abstract
The invention discloses a capacitor film with nylon PA66 as a substrate and a preparation method thereof. The capacitor film comprises the following raw materials, by weight : 55-65 parts of nylon PA66, 20-25 parts of LDPE (low density polyethylene), 13-16 parts of homogeneous ethylene / alpha-olefin copolymer, 10-15 parts of homo-polypropylene, 3-5 parts of epoxy linseed oil, 2-3 parts of aluminum hydroxide, 1-2 parts of polyvinyl alcohol, 1-2 parts of polyisobutylene, 8-12 parts of diatomite, 1-2 parts of ferrocene, 0.7-0.9 part of poly-4-methyl-1-pentene, 0.3-0.5 part of magnesium oxide, 0.1-0.3 part of alumina, 5-7 parts of nanometer clay, 1.4-1.6 parts of glycerol triacetate, 1.7-2.3 parts of chlorinated paraffin, 3-5 parts of calcium stearate, 1-3 parts of methyl trimethoxy silane and 1.8-2.2 parts of modified wood ash. The invention mainly adopts nylon PA66 supplemented by low density polyethylene and homogeneous ethylene / alpha-olefin copolymer; and various accessories and additives are subjected to mixing and extrusion, blown film sizing and cutting to prepare the capacitor film. The preparation method is simple; and diatomite, nanometer clay and modified wood ash are added into the raw materials at the same time to enhance barrier property and air tightness of the film; besides, the capacitor film has characteristics of good pressure resistance, impact resistance, high heat sealing strength, and good heat sealing performance.
Description
Technical field
The present invention relates to a kind of capacitor film material, be specifically related to a kind of capacitor film take nylon PA66 as matrix 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 take nylon PA66 as matrix and preparation method thereof, it is main that the present invention adopts nylon PA66, Low Density Polyethylene and homogeneous ethylene/alpha olefin polymer are auxiliary, the common mixing of multiple auxiliary materials additive is extruded, blown film is finalized the design and cutting makes capacitor film, the preparation method is simple, diatomite, nanometer potter's clay and modification trees ashes in raw material, have been added simultaneously, barrier and the resistance to air loss of film have been strengthened, have good resistance to pressure and shock-resistance, have simultaneously heat seal strength height, characteristics that heat sealability is good.
The present invention adopts following technical scheme to achieve these goals:
Capacitor film take nylon PA66 as matrix, the weight part of its constitutive material is: nylon PA66 55-65, LDPE Low Density Polyethylene 20-25, homogeneous ethylene/alpha olefin polymer 13-16, 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 0.7-0.9, magnesium oxide 0.3-0.5, aluminum oxide 0.1-0.3, nanometer potter's clay 5-7, Vanay 1.4-1.6, clorafin 1.7-2.3, calcium stearate 3-5, methyltrimethoxy silane 1-3 and modification trees ashes 1.8-2.2.
Capacitor film take nylon PA66 as matrix, the weight part of its constitutive material is: nylon PA66 60, LDPE Low Density Polyethylene 22, homogeneous ethylene/alpha olefin polymer 15, 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 0.8, magnesium oxide 0.4, aluminum oxide 0.2, nanometer potter's clay 6, Vanay 1.5, clorafin 2, calcium stearate 4, methyltrimethoxy silane 2 and modification trees ashes 2.
The preparation method of the capacitor film take nylon PA66 as matrix may further comprise the steps:
(1), take by weighing 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), press the weight part of constitutive material with in epoxy Toenol 1140, the polyvinyl alcohol adding mixer, be warming up to 80-85 ℃, add again polyisobutene, aluminium hydroxide, ferrocene stirring after 10-15 minute, add again the diatomite after step (1) is processed, stirring also is heated to 160-170 ℃, add at last homo-polypropylene and stirred 20-30 minute, obtain the modification homo-polypropylene;
(3), take by weighing 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 165-185 ℃; 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 175-195 ℃; Then traction cutting, last rolling obtains.
The preparation method of described modification trees ashes is Silane coupling agent KH550,0.2-0.3% sodium laurylsulfate and the 1-2% aluminium hydroxide that adds 1-2% in the trees ashes, grinds after high-speed stirring 1-2 hour to obtain.
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 LDPE Low Density Polyethylene is 1.85-1.93g/10min, density 0.915-0.930g/cm
2
Beneficial effect of the present invention:
It is main that the present invention adopts nylon PA66, Low Density Polyethylene and homogeneous ethylene/alpha olefin polymer are auxiliary, the common mixing of multiple auxiliary materials additive is extruded, blown film is finalized the design and cutting makes capacitor film, the preparation method is simple, diatomite, nanometer potter's clay and modification trees ashes in raw material, have been added simultaneously, strengthen barrier and the resistance to air loss of film, had good resistance to pressure and shock-resistance, had simultaneously heat seal strength height, characteristics that heat sealability is good.
Embodiment
Embodiment 1: the capacitor film take nylon PA66 as matrix, the weight part of its constitutive material is: nylon PA66 60, LDPE Low Density Polyethylene 22, homogeneous ethylene/alpha olefin polymer 15, 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 0.8, magnesium oxide 0.4, aluminum oxide 0.2, nanometer potter's clay 6, Vanay 1.5, clorafin 2, calcium stearate 4, methyltrimethoxy silane 2 and modification trees ashes 2.
The preparation method of the capacitor film take nylon PA66 as matrix may further comprise the steps:
(1), take by weighing 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), press the weight part of constitutive material with in epoxy Toenol 1140, the polyvinyl alcohol adding mixer, be warming up to 80-85 ℃, add again polyisobutene, aluminium hydroxide, ferrocene stirring after 10-15 minute, add again the diatomite after step (1) is processed, stirring also is heated to 160-170 ℃, add at last homo-polypropylene and stirred 20-30 minute, obtain the modification homo-polypropylene;
(3), take by weighing 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 165-185 ℃; 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 175-195 ℃; Then traction cutting, last rolling obtains.
The preparation method of described modification trees ashes is Silane coupling agent KH550,0.2-0.3% sodium laurylsulfate and the 1-2% aluminium hydroxide that adds 1-2% in the trees ashes, grinds after high-speed stirring 1-2 hour to obtain.
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 LDPE Low Density Polyethylene is 1.85-1.93g/10min, density 0.915-0.930g/cm
2
The Performance Detection of the capacitor film that above-described embodiment 1 makes is as follows:
MFR (g/10min): 31; Tensile strength (Mpa): 40; Heat seal strength: 11.2; Flexural strength (Mpa): 55.3; Modulus in flexure (Mpa): 2327; Frictional coefficient: 0.175; Percent thermal shrinkage (%): 0.95-1.1; Glossiness (%): 82-85.
Claims (5)
1. the capacitor film take nylon PA66 as matrix is characterized in that the weight part of its constitutive material is: nylon PA66 55-65, LDPE Low Density Polyethylene 20-25, homogeneous ethylene/alpha olefin polymer 13-16, 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 0.7-0.9, magnesium oxide 0.3-0.5, aluminum oxide 0.1-0.3, nanometer potter's clay 5-7, Vanay 1.4-1.6, clorafin 1.7-2.3, calcium stearate 3-5, methyltrimethoxy silane 1-3 and modification trees ashes 1.8-2.2.
2. the capacitor film take nylon PA66 as matrix according to claim 1 is characterized in that the weight part of its constitutive material is: nylon PA66 60, LDPE Low Density Polyethylene 22, homogeneous ethylene/alpha olefin polymer 15, 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 0.8, magnesium oxide 0.4, aluminum oxide 0.2, nanometer potter's clay 6, Vanay 1.5, clorafin 2, calcium stearate 4, methyltrimethoxy silane 2 and modification trees ashes 2.
3. the preparation method of the capacitor film take nylon PA66 as matrix as claimed in claim 1 is characterized in that may further comprise the steps:
(1), take by weighing 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), press the weight part of constitutive material with in epoxy Toenol 1140, the polyvinyl alcohol adding mixer, be warming up to 80-85 ℃, add again polyisobutene, aluminium hydroxide, ferrocene stirring after 10-15 minute, add again the diatomite after step (1) is processed, stirring also is heated to 160-170 ℃, add at last homo-polypropylene and stirred 20-30 minute, obtain the modification homo-polypropylene;
(3), take by weighing 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 165-185 ℃; 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 175-195 ℃; Then traction cutting, last rolling obtains.
4. the capacitor film take nylon PA66 as matrix 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, grinding obtains after high-speed stirring 1-2 hour.
5. the capacitor film take nylon PA66 as matrix 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 LDPE Low Density Polyethylene is 1.85-1.93g/10min, density 0.915-0.930g/cm
2
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210426695.0A CN102964825B (en) | 2012-10-31 | 2012-10-31 | Capacitor film with nylon PA66 as substrate and preparation method thereof |
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| CN201210426695.0A CN102964825B (en) | 2012-10-31 | 2012-10-31 | Capacitor film with nylon PA66 as substrate and preparation method thereof |
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| CN102964825A true CN102964825A (en) | 2013-03-13 |
| CN102964825B CN102964825B (en) | 2015-02-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103665857A (en) * | 2013-11-11 | 2014-03-26 | 青岛佰众化工技术有限公司 | Glass fiber reinforced polyvinyl alcohol-nylon 66 alloy material |
| CN108364787A (en) * | 2017-12-29 | 2018-08-03 | 安徽铜峰电子股份有限公司 | A kind of High-temperature-rescapacitor capacitor film and its capacitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753116A (en) * | 2004-09-20 | 2006-03-29 | 中国科学院电工研究所 | A kind of carbon back multi-hole electrode film that is used for ultracapacitor and preparation method thereof |
| EP1995053A1 (en) * | 2006-02-20 | 2008-11-26 | Daicel Chemical Industries, Ltd. | Porous film and layered product including porous film |
| CN101508841A (en) * | 2009-03-17 | 2009-08-19 | 武汉理工大学 | Flexible polymer dielectric material for electrical condenser and preparation thereof |
-
2012
- 2012-10-31 CN CN201210426695.0A patent/CN102964825B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753116A (en) * | 2004-09-20 | 2006-03-29 | 中国科学院电工研究所 | A kind of carbon back multi-hole electrode film that is used for ultracapacitor and preparation method thereof |
| EP1995053A1 (en) * | 2006-02-20 | 2008-11-26 | Daicel Chemical Industries, Ltd. | Porous film and layered product including porous film |
| CN101508841A (en) * | 2009-03-17 | 2009-08-19 | 武汉理工大学 | Flexible polymer dielectric material for electrical condenser and preparation thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103665857A (en) * | 2013-11-11 | 2014-03-26 | 青岛佰众化工技术有限公司 | Glass fiber reinforced polyvinyl alcohol-nylon 66 alloy material |
| CN103665857B (en) * | 2013-11-11 | 2016-07-06 | 青岛康威化纤有限公司 | A kind of fiber-glass reinforced polyethylene alcohol-nylon66 fiber alloy material |
| CN108364787A (en) * | 2017-12-29 | 2018-08-03 | 安徽铜峰电子股份有限公司 | A kind of High-temperature-rescapacitor capacitor film and its capacitor |
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| CN102964825B (en) | 2015-02-18 |
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Effective date of registration: 20200102 Address after: 233010 No. 68, Liugong Avenue, Bengbu City, Anhui Province (No. 1 in Yida Electronics Co., Ltd.) Patentee after: Bengbu Liqun Electronics Co., Ltd. Address before: 233010 No. 68 Liugong Road, Anhui, Bengbu Patentee before: Anhui Yida Electronic Co., Ltd. |
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