CN103804786A - Breakdown-resistant modified isotatic polypropyene metalized film and preparation method thereof - Google Patents

Breakdown-resistant modified isotatic polypropyene metalized film and preparation method thereof Download PDF

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Publication number
CN103804786A
CN103804786A CN201310708067.6A CN201310708067A CN103804786A CN 103804786 A CN103804786 A CN 103804786A CN 201310708067 A CN201310708067 A CN 201310708067A CN 103804786 A CN103804786 A CN 103804786A
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parts
film
isotatic
isotatic polypropylene
density polyethylene
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CN201310708067.6A
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Chinese (zh)
Inventor
韦中祥
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Wuhu Jinying Machinery Science & Technology Development Co Ltd
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Wuhu Jinying Machinery Science & Technology Development Co Ltd
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Priority to CN201310708067.6A priority Critical patent/CN103804786A/en
Publication of CN103804786A publication Critical patent/CN103804786A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/005—Electrodes
    • H01G4/008—Selection of materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/005—Electrodes
    • H01G4/015—Special provisions for self-healing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92961—Auxiliary unit, e.g. for external melt filtering, re-combining or transfer between units
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

Abstract

The invention discloses a breakdown-resistant modified isotatic polypropyene metalized film, which is characterized by being prepared from the following active ingredients in parts by weight: 200 parts of isotatic polypropylene, 1-2 parts of high-density polyethylene, 1-2 parts of isotatic polyacrylamide, 1-2 parts of dodecyl 2-methylacrylate, 1-2 parts of cellulose acetate butyrate, 1-2 parts of sodium polyphosphate, 1-2 parts of monobutyltin oxide, 1-2 parts of crosslinking agent TAC, and 5-6 parts of auxiliaries. According to the breakdown-resistant modified isotatic polypropyene metalized film, the impurities in the film can be removed through filtering, so that the properties of active ingredients are good, the scrap rate of the film can be reduced, and the film is not easy to fracture; by adopting corona treatment, the compression strength of the film can be enhanced, the breakdown can be prevented, and the capacitor produced is small in volume and has good high-temperature stability and pulse-resistant capability, and is long in service life.

Description

A kind of resistance worn capacitor metalized film of modification isotatic polypropylene and preparation method thereof
Technical field
The present invention relates to field of capacitor manufacture, particularly a kind of resistance worn capacitor metalized film of modification isotatic polypropylene and preparation method thereof.
Background technology
Electrical condenser has higher mechanical property and electric property with BiOriented Polypropylene Films, compared with the electrical condenser making with coventional type film, the electrical condenser making with polypropylene film is low with its percent thermal shrinkage, stable performance, high temperature resistant, high pressure resistant, the remarkable advantage such as prevent from puncturing, make the use range of the electrical condenser that polypropylene film makes more and more wider.
Existing polypropylene capactive film, shrinking percentage is relatively bigger than normal, temperature tolerance is poor, with the electrical condenser that the forms lengthening along with its working hour of reeling of this film, its internal temperature rise is very fast, cause the stability of electrical condenser sharply to decline, even cause electrical condenser to lose efficacy, bring serious potential safety hazard to electrical equipment complete machine or electrical network.Therefore the heat resistance as dielectric polypropylene film is had higher requirement.Meanwhile, because electrical means is to the development of miniaturization and densification direction, the indexs such as the volume to electrical condenser have proposed requirements at the higher level.
Summary of the invention
The object of this invention is to provide a kind of resistance and wear capacitor metalized film of modification isotatic polypropylene and preparation method thereof.
In order to realize object of the present invention, the present invention passes through following scheme implementation:
A kind of resistance worn the capacitor metalized film of modification isotatic polypropylene, is made up: isotatic polypropylene 200, high density polyethylene(HDPE) 1-2, isotatic polypropylene acid amides 1-2, lauryl methacrylate(LMA) 1-2, cellulose acetate butyrate 1-2, Sodium hexametaphosphate 99 1-2, Mono-n-butyltin 1-2, linking agent TAC 1-2, auxiliary agent 5-6 of the raw material of following weight part;
Described auxiliary agent is made up of the raw material of following weight part: metallocene linear-low density polyethylene 12-15, anti-aging agent ODA 1-2, tritolyl phosphate 2-3, linden ashes 1-2, Silane coupling agent KH550 1-2, epoxy oleum lini 1-2, Flos Rosae Rugosae quintessence oil 0.1-0.2; Metallocene linear-low density polyethylene is heated to molten state by preparation method, adds other composition, and dispersed with stirring is even, cooling, and granulation to obtain final product.
The capacitor metalized film of modification isotatic polypropylene is worn in resistance of the present invention, is made up of following concrete steps:
(1) by isotatic polypropylene, high density polyethylene(HDPE), isotatic polypropylene acid amides, lauryl methacrylate(LMA) heating and melting, add again auxiliary agent and all the other remaining components fully to stir, send into forcing machine melting, filtration, and then by forcing machine extruding sheet melt, filter >1200 order, the temperature of described forcing machine is 220-250 ℃;
(2) the sheet melt of step (1) being made makes slab after by sharp cooling roll and air raining chamber cooling and shaping, carries out successively longitudinal stretching, cross directional stretch, alligatoring face corona treatment;
(3) rolling, ageing treatment, ageing treatment for the second time for the first time;
(4) vacuum-evaporation metalized film, alligatoring face forms metal layer.
Beneficial effect of the present invention is: the present invention, by filtering, removes the impurity in raw material, makes material performance good, has reduced the condemnation factor of film, is difficult for breaking; Adopt corona treatment, improved the compressive strength of film, prevent from puncturing, and the small volume of the electrical condenser of making, good high-temperature stability and resistance to pulse ability also there is, long service life.
Embodiment
Below by specific examples, the present invention is described in detail.
A kind of resistance worn the capacitor metalized film of modification isotatic polypropylene, by following weight part (kilogram) raw material make: isotatic polypropylene 200, high density polyethylene(HDPE) 1, isotatic polypropylene acid amides 1, lauryl methacrylate(LMA) 1, cellulose acetate butyrate 1, Sodium hexametaphosphate 99 1, Mono-n-butyltin 1, linking agent TAC 1, auxiliary agent 5;
Described auxiliary agent by following weight part (kilogram) raw material make: metallocene linear-low density polyethylene 12, anti-aging agent ODA 1, tritolyl phosphate 2, linden ashes 1, Silane coupling agent KH550 1, epoxy oleum lini 1, Flos Rosae Rugosae quintessence oil 0.1; Metallocene linear-low density polyethylene is heated to molten state by preparation method, adds other composition, and dispersed with stirring is even, cooling, and granulation to obtain final product.
The capacitor metalized film of modification isotatic polypropylene is worn in resistance of the present invention, is made up of following concrete steps:
(1) by isotatic polypropylene, high density polyethylene(HDPE), isotatic polypropylene acid amides, lauryl methacrylate(LMA) heating and melting, add again auxiliary agent and all the other remaining components fully to stir, send into forcing machine melting, filtration, and then by forcing machine extruding sheet melt, filter >1200 order, the temperature of described forcing machine is 220-250 ℃;
(2) the sheet melt of step (1) being made makes slab after by sharp cooling roll and air raining chamber cooling and shaping, carries out successively longitudinal stretching, cross directional stretch, alligatoring face corona treatment;
(3) rolling, ageing treatment, ageing treatment for the second time for the first time;
(4) vacuum-evaporation metalized film, alligatoring face forms metal layer.
The technical indicator of the metallized film of the embodiment of the present invention is as follows:
(1) lateral shrinkage≤0.2%, longitudinal contraction rate≤2.5%
(2) transverse tensile strength >=20Mpa, longitudinal tensile strength >=16Mpa;
(3) minimum break-down voltage 600Vv/um.

Claims (2)

1. the capacitor metalized film of modification isotatic polypropylene is worn in a resistance, it is characterized in that, made by the raw material of following weight part: isotatic polypropylene 200, high density polyethylene(HDPE) 1-2, isotatic polypropylene acid amides 1-2, lauryl methacrylate(LMA) 1-2, cellulose acetate butyrate 1-2, Sodium hexametaphosphate 99 1-2, Mono-n-butyltin 1-2, linking agent TAC 1-2, auxiliary agent 5-6;
Described auxiliary agent is made up of the raw material of following weight part: metallocene linear-low density polyethylene 12-15, anti-aging agent ODA 1-2, tritolyl phosphate 2-3, linden ashes 1-2, Silane coupling agent KH550 1-2, epoxy oleum lini 1-2, Flos Rosae Rugosae quintessence oil 0.1-0.2; Metallocene linear-low density polyethylene is heated to molten state by preparation method, adds other composition, and dispersed with stirring is even, cooling, and granulation to obtain final product.
2. resist and wear the capacitor metalized film of modification isotatic polypropylene according to claim 1, it is characterized in that, made by following concrete steps:
(1) by isotatic polypropylene, high density polyethylene(HDPE), isotatic polypropylene acid amides, lauryl methacrylate(LMA) heating and melting, add again auxiliary agent and all the other remaining components fully to stir, send into forcing machine melting, filtration, and then by forcing machine extruding sheet melt, filter >1200 order, the temperature of described forcing machine is 220-250 ℃;
(2) the sheet melt of step (1) being made makes slab after by sharp cooling roll and air raining chamber cooling and shaping, carries out successively longitudinal stretching, cross directional stretch, alligatoring face corona treatment;
(3) rolling, ageing treatment, ageing treatment for the second time for the first time;
(4) vacuum-evaporation metalized film, alligatoring face forms metal layer.
CN201310708067.6A 2013-12-20 2013-12-20 Breakdown-resistant modified isotatic polypropyene metalized film and preparation method thereof Pending CN103804786A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5392190A (en) * 1991-12-18 1995-02-21 Merlin Gerin Manufacturing process of a capacitor with delayed ageing and a capacitor manufactured according to this process
CN1504498A (en) * 2002-12-03 2004-06-16 李春香 Polyolefine multiple micoporous film and preparing process thereof
JP2006114746A (en) * 2004-10-15 2006-04-27 Chisso Corp Separator for electric double layer capacitor made of polyolefin resin
CN103102582A (en) * 2012-11-13 2013-05-15 铜陵亿亨达电子有限责任公司 Capacitor thin film containing modified nano-titanium dioxide and preparation method thereof
CN103112169A (en) * 2013-01-28 2013-05-22 宁波绿海电子材料有限公司 Preparation method of metalized film of induction cooker capacitor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5392190A (en) * 1991-12-18 1995-02-21 Merlin Gerin Manufacturing process of a capacitor with delayed ageing and a capacitor manufactured according to this process
CN1504498A (en) * 2002-12-03 2004-06-16 李春香 Polyolefine multiple micoporous film and preparing process thereof
JP2006114746A (en) * 2004-10-15 2006-04-27 Chisso Corp Separator for electric double layer capacitor made of polyolefin resin
CN103102582A (en) * 2012-11-13 2013-05-15 铜陵亿亨达电子有限责任公司 Capacitor thin film containing modified nano-titanium dioxide and preparation method thereof
CN103112169A (en) * 2013-01-28 2013-05-22 宁波绿海电子材料有限公司 Preparation method of metalized film of induction cooker capacitor

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