CN102964658B - Capacitor film with low density polyethylene as substrate and preparation method thereof - Google Patents
Capacitor film with low density polyethylene as substrate and preparation method thereof Download PDFInfo
- Publication number
- CN102964658B CN102964658B CN201210426833.5A CN201210426833A CN102964658B CN 102964658 B CN102964658 B CN 102964658B CN 201210426833 A CN201210426833 A CN 201210426833A CN 102964658 B CN102964658 B CN 102964658B
- Authority
- CN
- China
- Prior art keywords
- parts
- density polyethylene
- low density
- diatomite
- capacitor film
- 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.)
- Active
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a capacitor film with low density polyethylene as substrate and a preparation method thereof. The capacitor film comprises the following raw materials by weight: 50-55 parts of LDPE (low density polyethylene), 20-25 parts of LLDPE (linear low density polyethylene), 10-15 parts of homo-polymer, 3-5 parts of epoxy linseed oil, 2-3 parts of polyvinyl alcohol, 1-2 parts of aluminum hydroxide, 1-2 parts of polyisobutylene, 8-12 parts of diatomite, 1-2 parts of ferrocene, 0.8-1.2 parts of poly-4-methyl-1-pentene, 5-10 parts of calcium carbonate, 2-4 parts of hydrotalcite, 1.3-1.8 parts of zinc dialkyl dithiophosphate, 0.4-0.6 part of phthalic acid ester, 0.4-0.7 part of smoke sheet rubber, 1-3 parts of zinc stearate and 0.9-1.3 parts of modified wood ash. The invention mainly adopts low density polyethylene assisted with linear low density polyethylene; 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, hydrotalcite 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 taking Low Density Polyethylene as matrix and preparation method thereof.
Background technology
Film capacitor is to work as electrode with tinsel, by itself and poly-ethyl ester, and polypropylene, the plastics films such as polystyrene or polycarbonate, from two ends are overlapping, are 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 film of single raw material production to be difficult to adapt to the requirement in market, but every kind of raw material has its weak point, so the film of producing is difficult to meet the demand of various situations.
Summary of the invention
The object of the present invention is to provide a kind of capacitor film taking Low Density Polyethylene as matrix and preparation method thereof, it is main that the present invention adopts Low Density Polyethylene, linear low density polyethylene is auxiliary, the common mixing of multiple auxiliary materials additive is extruded, blown film is shaped and cutting makes capacitor film, preparation method is simple, diatomite, hydrotalcite and modification trees ashes in raw material, are added simultaneously, barrier and the resistance to air loss of film are strengthened, there is good resistance to pressure and shock-resistance, there is the feature that heat seal strength is high, heat sealability is good simultaneously.
The present invention adopts following technical scheme to achieve these goals:
Capacitor film taking Low Density Polyethylene as matrix, the weight part of its constitutive material is: LDPE Low Density Polyethylene 50-55, LLDPE linear low density polyethylene 20-25, 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 0.8-1.2, light calcium carbonate 5-10, hydrotalcite 2-4, zinc dialkyl dithiophosphate 1.3-1.8, phthalic ester 0.4-0.6, smoke sheet rubber 0.4-0.7, Zinic stearas 1-3 and modification trees ashes 0.9-1.3.
Capacitor film taking Low Density Polyethylene as matrix, the weight part of its constitutive material is: LDPE Low Density Polyethylene 52, LLDPE linear low density polyethylene 22, 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, light calcium carbonate 8, hydrotalcite 3, zinc dialkyl dithiophosphate 1.5, phthalic ester 0.5, smoke sheet rubber 0.55, Zinic stearas 2 and modification trees ashes 1.1.
The preparation method of the capacitor film taking Low Density Polyethylene as matrix, comprises the following steps:
(1), take diatomite by the weight part of constitutive material, first, by 20-25% hydrogen peroxide dipping 3-4 hour for diatomite, roasting 3-4 hour at 400-450 DEG C, is ground into 400-45 order powder;
(2), by the weight part of constitutive material, epoxy Toenol 1140, polyvinyl alcohol are added in mixer, be warming up to 80-85 DEG C, add again polyisobutene, aluminium hydroxide, ferrocene to stir after 10-15 minute, add again step (1) diatomite after treatment, stir and be heated to 160-170 DEG C, finally add homo-polypropylene to stir 20-30 minute, obtain modification homo-polypropylene;
(3), take other constitutive materials by the weight part of constitutive material, then and step (2) modification homo-polypropylene after treatment mix and stir; Send into extrusion machine fused mass and extrude, melt temperature is 175-195 DEG C; Carry out the sizing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 185-225 DEG C; 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 trees ashes, after high-speed stirring 1-2 hour, grinds and obtains.
The melting index of described LDPE Low Density Polyethylene is 1.85-1.93g/10min, density 0.915-0.930g/cm
2; The melting index of described LLDPE linear low density polyethylene is 0.94-1.16g/10min, density 0.920-0.933 g/cm
2.
Beneficial effect of the present invention:
It is main that the present invention adopts Low Density Polyethylene, linear low density polyethylene is auxiliary, the common mixing of multiple auxiliary materials additive is extruded, blown film is shaped and cutting makes capacitor film, preparation method is simple, diatomite, hydrotalcite and modification trees ashes in raw material, are added simultaneously, the barrier and the resistance to air loss that have strengthened film, have good resistance to pressure and shock-resistance, has the feature that heat seal strength is high, heat sealability is good simultaneously.
Embodiment
Embodiment 1: the capacitor film taking Low Density Polyethylene as matrix, the weight part of its constitutive material is: LDPE Low Density Polyethylene 52, LLDPE linear low density polyethylene 22, 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, light calcium carbonate 8, hydrotalcite 3, zinc dialkyl dithiophosphate 1.5, phthalic ester 0.5, smoke sheet rubber 0.55, Zinic stearas 2 and modification trees ashes 1.1.
The preparation method of the capacitor film taking Low Density Polyethylene as matrix, comprises the following steps:
(1), take diatomite by the weight part of constitutive material, first, by 20-25% hydrogen peroxide dipping 3-4 hour for diatomite, roasting 3-4 hour at 400-450 DEG C, is ground into 400-45 order powder;
(2), by the weight part of constitutive material, epoxy Toenol 1140, polyvinyl alcohol are added in mixer, be warming up to 80-85 DEG C, add again polyisobutene, aluminium hydroxide, ferrocene to stir after 10-15 minute, add again step (1) diatomite after treatment, stir and be heated to 160-170 DEG C, finally add homo-polypropylene to stir 20-30 minute, obtain modification homo-polypropylene;
(3), take other constitutive materials by the weight part of constitutive material, then and step (2) modification homo-polypropylene after treatment mix and stir; Send into extrusion machine fused mass and extrude, melt temperature is 175-195 DEG C; Carry out the sizing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 185-225 DEG C; 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 trees ashes, after high-speed stirring 1-2 hour, grinds and obtains.
The melting index of described LDPE Low Density Polyethylene is 1.85-1.93g/10min, density 0.915-0.930g/cm
2; The melting index of described LLDPE linear low density polyethylene is 0.94-1.16g/10min, density 0.920-0.933 g/cm
2.
The Performance Detection of the capacitor film that above-described embodiment 1 makes is as follows:
MFR (g/10min): 34; Tensile strength (Mpa): 41; Heat seal strength: 10.2; Flexural strength (Mpa): 51.2; Modulus in flexure (Mpa): 2234; Frictional coefficient: 0.198; Percent thermal shrinkage (%): 0.9-1.1; Glossiness (%): 87-89.
Claims (3)
1. the capacitor film taking Low Density Polyethylene as matrix, the weight part that it is characterized in that its constitutive material is: LDPE Low Density Polyethylene 50-55, LLDPE linear low density polyethylene 20-25, 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 0.8-1.2, light calcium carbonate 5-10, hydrotalcite 2-4, zinc dialkyl dithiophosphate 1.3-1.8, phthalic ester 0.4-0.6, smoke sheet rubber 0.4-0.7, Zinic stearas 1-3 and modification trees ashes 0.9-1.3,
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 trees ashes, after high-speed stirring 1-2 hour, grinds and obtains.
2. the capacitor film taking Low Density Polyethylene as matrix according to claim 1, is characterized in that the weight part of its constitutive material is: LDPE Low Density Polyethylene 52, LLDPE linear low density polyethylene 22, 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, light calcium carbonate 8, hydrotalcite 3, zinc dialkyl dithiophosphate 1.5, phthalic ester 0.5, smoke sheet rubber 0.55, Zinic stearas 2 and modification trees ashes 1.1.
3. a preparation method for the capacitor film taking Low Density Polyethylene as matrix as claimed in claim 1, is characterized in that comprising the following steps:
(1) take diatomite by the weight part of constitutive material, first, by 20-25% hydrogen peroxide dipping 3-4 hour for diatomite, roasting 3-4 hour at 400-450 DEG C, is ground into 400-45 order powder;
(2) by the weight part of constitutive material, epoxy Toenol 1140, polyvinyl alcohol are added in mixer, be warming up to 80-85 DEG C, add again polyisobutene, aluminium hydroxide, ferrocene to stir after 10-15 minute, add again step (1) diatomite after treatment, stir and be heated to 160-170 DEG C, finally add homo-polypropylene to stir 20-30 minute, obtain modification homo-polypropylene;
(3) take other constitutive materials by the weight part of constitutive material, then and step (2) modification homo-polypropylene after treatment mix and stir; Send into extrusion machine fused mass and extrude, melt temperature is 175-195 DEG C; Carry out the sizing of die head blown film, die head temperature is to raise gradually from bottom to top, and its scope control is at 185-225 DEG C; Then traction cutting, last rolling obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426833.5A CN102964658B (en) | 2012-10-31 | 2012-10-31 | Capacitor film with low density polyethylene as substrate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426833.5A CN102964658B (en) | 2012-10-31 | 2012-10-31 | Capacitor film with low density polyethylene as substrate and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102964658A CN102964658A (en) | 2013-03-13 |
| CN102964658B true CN102964658B (en) | 2014-07-16 |
Family
ID=47795109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210426833.5A Active CN102964658B (en) | 2012-10-31 | 2012-10-31 | Capacitor film with low density polyethylene as substrate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102964658B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103214712B (en) * | 2013-03-26 | 2015-09-09 | 安徽双荣电器电缆有限公司 | A kind of Cold-tolerant polyethylene cable material and preparation method thereof |
| CN103804753A (en) * | 2013-12-20 | 2014-05-21 | 芜湖金鹰机械科技开发有限公司 | Ultrathin fracture-resistant metallized film for capacitor and preparation method thereof |
| CN103788450A (en) * | 2013-12-20 | 2014-05-14 | 芜湖金鹰机械科技开发有限公司 | Flame-retardant high temperature-resistant capacitor metallized film with high-density polyethylene as substrate and preparation method thereof |
| CN103834080A (en) * | 2013-12-20 | 2014-06-04 | 芜湖金鹰机械科技开发有限公司 | Low density polyethylene composite metalized film used for capacitor, and preparation method thereof |
| CN103804752A (en) * | 2013-12-20 | 2014-05-21 | 芜湖金鹰机械科技开发有限公司 | Capacitor metalized film with pressure resistance, high temperature resistance and favorable performance and preparation method of capacitor metalized film |
| CN103834082A (en) * | 2014-03-04 | 2014-06-04 | 芜湖市艾德森自动化设备有限公司 | Capacitor metallized film with low density polyethylene as matrix and preparation method thereof |
| CN103865147B (en) * | 2014-03-04 | 2016-02-17 | 芜湖市艾德森自动化设备有限公司 | A kind of capacitor metalized film with better tensile strength and preparation method thereof |
| CN103951879B (en) * | 2014-04-12 | 2016-06-08 | 安徽江威精密制造有限公司 | A kind of capacitor metalized film of compound isotatic polypropylene and its preparation method |
| CN103951880B (en) * | 2014-04-12 | 2016-06-08 | 安徽江威精密制造有限公司 | A kind of anti-breakdown high performance capacitors metallized film and its preparation method |
| CN104086877B (en) * | 2014-07-01 | 2016-04-20 | 安徽江威精密制造有限公司 | A kind of high tenacity capacitor film filler special and preparation method thereof |
| CN104086859B (en) * | 2014-07-01 | 2016-04-20 | 安徽江威精密制造有限公司 | A kind of fire-retardant capacitor film filler special and preparation method thereof |
| CN104086863B (en) * | 2014-07-01 | 2016-04-20 | 安徽江威精密制造有限公司 | A kind of high dispersive capacitor film filler special and preparation method thereof |
| CN104140593A (en) * | 2014-07-30 | 2014-11-12 | 安徽状元郎电子科技有限公司 | Special filler for capacitor film with high heat-conducting property and high strength and preparation method of special filler |
| CN108364787B (en) * | 2017-12-29 | 2020-06-02 | 安徽铜峰电子股份有限公司 | High-temperature-resistant capacitor film and capacitor thereof |
| CN109135139A (en) * | 2018-05-25 | 2019-01-04 | 安徽猛牛彩印包装有限公司 | A kind of heat-proof combustion-resistant plastic film and preparation method thereof |
| CN113140407B (en) * | 2020-01-16 | 2022-06-14 | 上海久壬信息科技有限公司 | Thin film capacitor |
| CN116042095B (en) * | 2022-10-18 | 2023-08-29 | 青岛迪恩特尚核新材料科技有限公司 | Modified petrolatum anti-corrosion paste and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057310C (en) * | 1996-09-18 | 2000-10-11 | 张玉标 | Polyvinyl electronic insulating film and its preparing method |
| JP4784279B2 (en) * | 2005-11-17 | 2011-10-05 | 王子製紙株式会社 | Condenser film |
| ES2362508T3 (en) * | 2006-08-31 | 2011-07-06 | TREOFAN GERMANY GMBH & CO. KG | BIAXIALALLY ORIENTED ELECTRICAL INSULATING FILM. |
| US8080294B2 (en) * | 2008-05-16 | 2011-12-20 | Exxonmobil Oil Corporation | Biaxially oriented LLDPE blends |
-
2012
- 2012-10-31 CN CN201210426833.5A patent/CN102964658B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102964658A (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102964658B (en) | Capacitor film with low density polyethylene as substrate and preparation method thereof | |
| CN102964664B (en) | Capacitor film containing modified attapulgite and preparation method thereof | |
| CN102964679B (en) | Capacitor film containing modified talc and preparation method thereof | |
| CN103102587A (en) | Capacitor thin film with homo-polypropylene as substrate and preparation method thereof | |
| CN103102582A (en) | Capacitor thin film containing modified nano-titanium dioxide and preparation method thereof | |
| CN103102574A (en) | Capacitor film with metallocene line-shaped low-density polyethylene resin as base body and preparation method thereof | |
| CN102964666B (en) | Capacitor film containing modified bentonite and preparation method thereof | |
| CN103102581B (en) | Capacitor thin film containing modified sepiolite powder and preparation method thereof | |
| CN103102588A (en) | Capacitor film with biaxially oriented polypropylene as base body 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 | |
| CN103264563B (en) | Three-layer co-extruded EVA (ethylene-vinyl acetate copolymer) long-life fog-dissipation environment-friendly multifunctional greenhouse film | |
| WO2020173491A1 (en) | High-polarity flame retardant polypropylene composition, preparation method and application thereof | |
| CN104650506A (en) | Degradable environment-friendly plastic | |
| CN102964665B (en) | Capacitor film with homogeneous ethylene / alpha olefin copolymer as substrate and preparation method thereof | |
| CN102746575A (en) | Polypropylene and kieselguhr composite material and method for preparing same | |
| CN101081540A (en) | Wide wood-plastic foaming doors, plate material and its making method | |
| CN110480862A (en) | A kind of manufacturing method of thermoplastic polyolefin water-proof coiled material | |
| CN103102573A (en) | Capacitor thin film containing modified celestite powder and preparation method thereof | |
| CN103642259B (en) | A kind of fire-retardant polyolefin based wood plastic composite material | |
| CN109397820A (en) | A kind of composite membrane containing EAA, LDPE and LLDPE, preparation method and application | |
| CN104356968A (en) | Double-layer solar cell module packaging adhesive film and preparation method thereof | |
| CN102964825B (en) | Capacitor film with nylon PA66 as substrate and preparation method thereof | |
| CN103102678B (en) | Capacitor film with nylon PA6 as base body and preparation method thereof | |
| CN103102665A (en) | Capacitor film with bisphenol A polycarbonate as base body 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220321 Address after: 233000 first floor, building 106, microelectronics technology park, No. 10 Caiyuan Road, Bengbu City, Anhui Province Patentee after: Anhui xinzhida Electronic Technology Co.,Ltd. Address before: 233010 No. 68 Liugong Avenue, Bengbu City, Anhui Province Patentee before: ANHUI YIDA ELECTRONIC Co.,Ltd. |