CN105778435B - PET compounds of heat-proof aging dielectric film and preparation method thereof - Google Patents
PET compounds of heat-proof aging dielectric film and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of PET compounds of heat-proof aging dielectric film, raw material composition presses mass parts, includes 100 parts of PET resin section, 0.1~1.0 part of nanoparticle nucleation agent, 10~15 parts of ultra-fine nylon powder, 0.1~1.0 part of APP, 1~10 part of pentaerythrite and 1~6 part of triphenyl phosphite；Wherein, described nanoparticle nucleation agent is the nano inoganic particle that silane coupler is handled, by mass percentage, nanoparticle nucleation agent contains 4~6% silane coupler, described silane coupler includes fluorine containing silane coupling agent and active silane coupling agents, and the quality parts ratio of fluorine containing silane coupling agent and active silane coupling agents is 0.6~1.2:1, described ultra-fine nylon powder is the nylon powder of 600~2000 mesh.Present invention process flow is simple, and the dispersiveness of nano inoganic particle nucleator is easy to regulation and control, with excellent high temperature ageing resistace.
Description
Technical field
The present invention relates to a kind of PET compounds of heat-proof aging dielectric film and preparation method thereof, belong to polyester film manufacture
Technical field.
Background technology
PET (polyethylene terephthalate) is crystalline polymer, with excellent creep resistance, fatigue durability,
Rub resistance, wear resistance, resistance to chemical reagents, dimensional stability, gas and steam permeability are low, and electrical insulating property is excellent, extensively should
For fields such as automobile, electric and electronic, insulating materials.Biaxial tension PET film has excellent thing within the scope of wider temperature
Mechanical performance is managed, can be in 120 DEG C of long-term uses, short-period used be resistant to 150 DEG C of high temperature, be widely used in making a plate, pack, light
, insulation film.In recent years, along with the development of electrically or electronically part, capacitor film or motor dielectric film are progressively small-sized
Change and encapsulation, the requirement of harshness is proposed to the voltage-resistent characteristic of dielectric film high temperature range.As button capacitor insulation base
The PET film of material, it is desirable to thickness ultrathin and uniform, excellent dielectric properties, excellent heat endurance.
However, PET heat resistances are poor, heat ageing typically results in PET yield stresses and modulus increase, elongation percentage reduction.PET
When annealing for 50 DEG C, fracture elongation significantly declines, and 10h is placed in 180 DEG C of dry airs will become very crisp.In heat, oxygen
In the presence of, oxidation reaction occurs for PET film, and mechanical degradation, the life-span greatly shortens.
To prepare the PET dielectric films of proof voltage, the PET sections often closed using high intrinsic viscosity or functional end-group.But
The method improves the manufacturing cost of dielectric film, causes the shape stability of product poor.CN102380942A discloses one kind and prepared
The method of high-heat-resistance polyester, dried high intrinsic viscosity polyester is melted in an extruder, extrusion neck ring mold extrusion forming, or
Die for molding is squeezed into, the melting point polyester and high-fire resistance of preparation are significantly improved.
To meet high temperature application purpose, dielectric film can be made using poly- naphthalene -2, the 6- naphthalate of heat-resisting quantity, or
Using heat-resistant polymer and PET produced with combination sandwich construction dielectric films.CN103013061A discloses a kind of biaxial tension and gathered
Ester dielectric film and preparation method thereof, the biaxial stretching polyester dielectric film is by containing poly- naphthalene -2, the 6- naphthalate 100 of base material
Part；5~20 parts of pore creating material TPO, pore creating material be and base material incompatible polymers；Master batch Silicone particles or
Polyimide particle or polystyrene particle or 5~10 parts of polyacrylic acid particle；0.5~5 part of hindered phenol type antioxidant, through mixed
Close, dry, melt is extruded into sheet, cooling obtains unstretching film, biaxial tension, sizing, relaxation are cooled to room temperature, and two-way drawing is made
Stretch polyester insulated film.CN1242026A discloses a kind of electric insulation polyester compound film, and its apparent density is 1.37~0.85g/
cm3, the modulus of elasticity in direct stress is 2.0~4.5GPa, and the inherent viscosity of resin is 0.6~1.5dl/g, at least one face of polyester film
Upper laminated heat-resist film.Polyester film is made up of PET with not more than 10% polymethylpentene or polyacrylic mixture,
Heat-resist film is made up of polyphenylene sulfide or PEN.CN103534092A discloses a kind of compound exhausted
Velum, for scratching containing base polymer layers and partially cured poly- (acid amides) imide layer that is applied on the base polymer layers
Property and self-supporting composite membrane, can be used as slot liner, with provide electric motor assembly insulation.
It is general to suppress the reaction of PET film thermo-oxidative ageing using antioxidant.It can terminate in PET section in-situ polymerization ester exchanges
Afterwards, polycondensation is carried out as the 3rd component using double (3, the 5- di-tert-butyl-hydroxy phenyl) acrylate of antioxidant, synthesized heat-resisting
Oxygen PET polyester slices, the amount for the Hinered phenols antioxidant being grafted in PET polyester slices must be larger, and part Hinered phenols resist
Oxygen agent aoxidizes to form quinones substance, the colour of influence PET sections.CN 102875980A disclose a kind of heat-resistant oxygen-resistant polyester film
Preparation method, obtained using reactive sulfur-bearing hindered phenol antioxygen and terephthalic acid (TPA), ethylene glycol copolymerization, in its strand or
End has the sulfur-bearing hindered phenol structure units such as " phenolic hydroxyl group ", " sulphur ".After being heat-treated 10 days through 180 DEG C, with sulfur-bearing hindered phenol
The heat-resisting oxygen PET of antioxidant unit fracture productivity ratio is 28% to the maximum.
On the other hand, physical modification is carried out to PET using antioxidant, aid anti-oxidants, heat stabilizer, nucleator etc., also may be used
The long-term oxidation and heat resistant property of film is improved to a certain extent.CN 101845206A disclose a kind of heat and flame resistant thin to benzene
Dioctyl phthalate butanediol ester/PET alloy material, antioxidant used includes four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid]
Pentaerythritol ester, three (2,4- di-tert-butyl-phenyls) phosphite esters, double (2,4- di-tert-butyl-phenyls) pentaerythrite diphosphorous acids
Ester；CN102719060A discloses a kind of high-temperature resistant high gloss PET/benzene dicarboxylic acid butanediol ester composite and its preparation side
Method, antioxidant used includes four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester/phosphorous acid three (2,4-
6- di-tert-butyl phenyl ester) mixture, triethylene glycol double -3- (3- tertiary butyl-4-hydroxy -5- aminomethyl phenyls) acrylonitrile, the three (uncles of 2,4- bis-
Butylphenol) phosphite ester), heat-resistant agent used includes triphenyl phosphite, Sodium Acid Pyrophosphate, dithyl sulfate, di(2-ethylhexyl)phosphate
Different monooctyl ester, nucleator used includes the linear saturated carboxylic acid sodium salt of long-chain or calcium salt, aromatic carboxylic acid sodium salt or magnesium salts.
CN103146159A discloses a kind of heat-resisting thickening enhancing composite of waste PET and its preparation technology, compounding nucleator used
Including TMC-328 multiamide classes compound, talcum powder and hydrophobic nano-silica, heat-resistance type antioxidant used is P262.
CN102816414A discloses a kind of high-temp resistant fire-retarding REINFORCED PET composition and preparation method thereof, and antioxidant used includes organic
Hinered phenols, phosphite ester.It is material modified and preparation method thereof that CN102337010A discloses a kind of heat-proof aging PET, used
Nucleator is ultra-fine barium sulfate/nano zine oxide, and antioxidant used includes 1076,412S.
CN 103113721A disclose a kind of heat resisting super ductibility PET compounds, steady containing 20~90%PET, 0~2% heat
Agent, 0~2% lubricant (low molecule esters, metal soap, stearic acid are combined esters and amide-type) are determined, using 10~76%A+B
+ c-type composite toughing agent (A:Ethylene-acrylate, ethylene-propylene acid glyceride copolymer；B:Polyolefin；C:Styrene-fourth two
Alkene-hydrogenated butadiene copolymer) heat-resisting and super ductibility is improved, its toughness and ductility is not by shadow after 150 DEG C of annealing 120h
Ring.CN 101275008A disclose a kind of high-fire resistance resin combination and high high temperature insulation electric wire.Said composition containing 50~
80%PET, 10~30% styrene-ethylenes/butadiene-styrene triblock copolymer, 10~30% low density polyethylene (LDPE)s and/
Or with glycidol group compatilizer (three-glycidyl cyanurate, monoallyl glycidol cyanurate, ethene-
Epihydric alcohol methylpropenoic acid ester copolymer).Using the insulating sleeve that the resin is made, extension at break after being heat-treated through 150 DEG C
Rate is 410%.
As the known method for improving PET heat resistances, a small amount of (helping) antioxidant, heat stabilizer, nucleator etc. are difficult uniform
It is scattered.Because extrusion temperature is high (more than 280 DEG C), decomposed occurs in process for the auxiliary agent point such as antioxidant, in film
During occur migration, separate out, effect not enough substantially, poor operability, influence film long-term oxidation and heat resistant property.
The content of the invention
Simple it is an object of the invention to provide a kind of technological process, the dispersiveness of nano inoganic particle nucleator is easy to adjust
Control, with excellent PET compounds of heat-proof aging dielectric film of high temperature ageing resistace and preparation method thereof.
The present invention is that the technical scheme for reaching above-mentioned purpose is：A kind of PET compounds of heat-proof aging dielectric film, its feature
Be, raw material composition press mass parts, including 100 parts PET resin section, 0.1~1.0 part of nanoparticle nucleation agent, 10~
15 parts of ultra-fine nylon powder, 0.1~1.0 part of APP, 1~10 part of pentaerythrite and 1~6 part of phosphorous triphenyl phosphate
Ester；Wherein, described nanoparticle nucleation agent is the nano inoganic particle that silane coupler is handled, by mass percentage, nanometer
Particle nucleation agent contains 4~6% silane coupler, and described silane coupler includes fluorine containing silane coupling agent and active silane
Coupling agent, and the quality parts ratio of fluorine containing silane coupling agent and active silane coupling agents is 0.6~1.2:1, described ultra-fine Buddhist nun
Imperial powder is the nylon powder of 600~2000 mesh.
Wherein：Raw material composition presses mass parts, includes 100 parts of PET resin section, 0.4~0.8 part of nanoparticle nucleation
Agent, 12~14 parts of ultra-fine nylon powder, 0.4~0.8 part of APP, 3~8 parts of pentaerythrite and 3~5 parts of phosphorous acid
Triphenylmethyl methacrylate.
Described nano inoganic particle is Nano carbon white, nano-silicon nitride, nano aluminum nitride, nano aluminium oxide, nanometer
Talcum powder, nano mica powder, nano-calcium carbonate, nano-sized magnesium hydroxide, nm boehmite, nanometer zinc sulfate or nano zine oxide
One of which or from any two or more combinations.
Described fluorine containing silane coupling agent using fluorine decyl trimethoxy silane, trifluoro propyl methyldiethoxysilane,
The one of which of trifluoro propyl methyl dimethoxysilane, trifluoro propyl triethoxysilane or trifluoro propyl trimethoxy silane
Or from any two or more combinations.
Described active silane coupling agents using γ-mercaptopropyl trimethoxysilane, gamma-aminopropyl-triethoxy-silane,
The one of which of γ-glycidyl ether oxygen propyl trimethoxy silicane or γ-(methacryloxypropyl) propyl trimethoxy silicane
Or from any two or more combinations.
Described nylon powder is wherein the one of nylon 11 powder, nylon 1010 powder, NYLON610 powder, the powder of nylon 6 or nylon66 fiber powder
Kind or from any two or more combinations.
The preparation method of the PET compounds of the heat-proof aging dielectric film of the present invention, it is characterised in that：By nanoparticle nucleation
Agent, ultra-fine nylon powder, APP and pentaerythrite and triphenyl phosphite add mixed at high speed 2 in high-speed mixer~
5min obtains modifying agent compound, wherein, first nano inoganic particle is first located with the acetone soln containing silane coupler
Added after reason in high-speed mixer；Or by nano inoganic particle and ultra-fine nylon powder, APP, pentaerythrite phosphorous acid three
Phenyl ester is mixed in high-speed mixer, and the inorganic nanoparticles of the acetone soln pair containing silane coupler are sprayed in whipping process
It is sub- to be handled；Obtained modifying agent compound is dried with PET resin section, 100~120 DEG C of drying temperature, drying
2~4h of time, is extruded using double screw extruder, and extruder extrudes area's temperature in 180~230 DEG C, two area's temperature 230
~250 DEG C, three area's temperature in 240~280 DEG C, four area's temperature at 230~250 DEG C, screw speed is 100~400 revs/min, then
Through cooling, pelletizing, it is drying to obtain the PET compounds of heat-proof aging dielectric film.
The present invention can promote PET using the finely dispersed nano inoganic particle of very small amount in biaxial stretching film forming process
Nucleation, forms fine and close crystallization, and oxygen and steam infiltration of the barrier dielectric film in ageing process delay PET dielectric films to drop
Solution.The nano inoganic particle nucleator of the present invention is the nano inoganic particle that silane coupler is handled, nano inoganic particle nucleation
The dispersiveness of agent is easy to regulation and control, its fraction in PET matrix can be improved, while passing through APP, pentaerythrite, phosphorous
Triphenyl phosphate ester can not only promote the scattered of inorganic nano-particle, and can play fire retardation to PET dielectric films, solve very well
Nano inoganic particle can be provided the passage of oxygen and steam infiltration because of particle aggregation, be accelerated PET exhausted on the contrary due to scattered uneven
The problem of heat ageing of velum is degraded.The silane coupler of the present invention uses fluorine containing silane coupling agent and active silane coupling agents,
The water vapor rejection performance of dielectric film can be improved by fluorine containing silane coupling agent, passes through active silane coupling agents and PET catabolites
React, the interfacial interaction between enhancing nano inoganic particle and PET, and then delay PET degradation reactions, solve PET exhausted
Velum is recrystallized in Heat Ageing, causes the problem of insulation film toughness reduces rapidly and loses performance.This hair
It is bright by a small amount of dispersed nylon powder, occur in high temperature extruding pelletization and biaxial stretching film forming process with PET ester bond-
Amido link exchange reaction, reduces PET strand crystallization sequence lengths, delays performance deteriorating course.The present invention is cut with PET resin
Piece, ultra-fine nylon powder, nano inoganic particle, silane coupler are primary raw material, and two steps are granulated using mixed at high speed, melting extrusion
PET compounds are prepared, raw material is preferably obtained, and technological process is simple, it is easy to promotion and implementation.The present invention can be according to ultra-fine nylon powder, nanometer
Inorganic particulate, the species of silane coupler, content control PET crystallization behavior, reduce PET high temperature degradation speed, have
Excellent high temperature ageing resistace, the service life of extension dielectric film under the high temperature conditions, short-period used is resistant to 190 DEG C of high temperature,
Without the additive harmful to human body, environment, the production available for the heat-proof aging dielectric film of high-temperature resistant grade.
Brief description of the drawings
Embodiments of the invention are described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing 1 is PET biaxial stretching films as prepared by the embodiment of the present invention 1 through the scanning electron after 190 DEG C of agings 7 days
Microphotograph.
Accompanying drawing 2 is PET biaxial stretching films prepared by comparative example to be shone through the SEM after 190 DEG C of agings 7 days
Piece.
Embodiment
The PET compounds of the heat-proof aging dielectric film of the present invention, raw material composition presses mass parts, includes 100 parts of PET resin
Section, 0.1~1.0 part of nanoparticle nucleation agent, 10~15 parts of ultra-fine nylon powder, 0.1~1.0 part of APP, 1~
10 parts of pentaerythrite and 1~6 part of triphenyl phosphite, what nanoparticle nucleation agent of the invention was handled for silane coupler
Nano inoganic particle, nano inoganic particle carries out being processed into nanoparticle nucleation agent through silane coupler, improves inorganic nanoparticles
Fraction of the son in PET matrix, while with APP, pentaerythrite, triphenyl phosphite hybrid energy further to receiving
Rice inorganic particulate is disperseed, and with to the preferable fire retardation of PET dielectric films.The ultra-fine nylon powder of the present invention for 600~
The nylon powder of 2000 mesh, nylon powder is nylon 11 powder, nylon 1010 powder, NYLON610 powder, the powder of nylon 6 or nylon66 fiber powder wherein one
Plant or from any two or more combinations, such as 1000 mesh or nylon 11 powder, nylon 1010 powder, NYLON610 powder, the nylon 6 of 1500 mesh
Contain a small amount of nylon powder in powder or nylon66 fiber powder, PET compounds, in high temperature extruding pelletization and biaxial stretching film forming process
Occur ester bond-amido link exchange reaction with PET, PET strand crystallization sequence lengths can be reduced.The present invention is due to by nano inorganic
Particle is uniformly dispersed in compound, therefore can promote PET nucleation in biaxial stretching film forming process, forms fine and close crystallization,
Oxygen and steam infiltration of the dielectric film in ageing process are obstructed, delays PET dielectric films to degrade.
The PET compounds of the heat-proof aging dielectric film of the present invention, optimal component includes the section of 100 parts of PET resin, 0.4
~0.8 part of nanoparticle nucleation agent, 12~14 parts of ultra-fine nylon powder, 0.4~0.8 part of APP, 3~8 parts of season
Penta tetrol and 3~5 parts of triphenyl phosphite.The concrete component of the PET compounds of heat-proof aging dielectric film of the present invention is shown in Table 1 institute
Show.
Table 1
The nanoparticle nucleation agent of the PET compounds of the heat-proof aging dielectric film of the present invention handles what is received by silane coupler
Rice inorganic particulate, by mass percentage, nanoparticle nucleation agent contains 4~6% silane coupler, nano inorganic of the invention
Particle is Nano carbon white, nano-silicon nitride, nano aluminum nitride, nano aluminium oxide, nanomete talc powder, nano mica powder, nanometer
Calcium carbonate, nano-sized magnesium hydroxide, nm boehmite, the one of which of nanometer zinc sulfate or nano zine oxide or from any two kinds with
Upper combination, silane coupler of the present invention includes fluorine containing silane coupling agent and active silane coupling agents, fluorine containing silane coupling agent and work
Property silane coupler quality parts ratio be 0.6~1.2:1, the water vapor rejection of dielectric film can be improved by fluorine containing silane coupling agent
Performance, is reacted by active silane coupling agents with PET catabolites, therefore can be strengthened between nano inoganic particle and PET
Interfacial interaction, and then delay PET degradation reactions, fluorine containing silane coupling agent of the invention uses fluorine decyl trimethoxy silicon
Alkane, trifluoro propyl methyldiethoxysilane, trifluoro propyl methyl dimethoxysilane, trifluoro propyl triethoxysilane, three
The one of which of fluoropropyl trimethoxy silane.The present invention active silane coupling agents using γ-mercaptopropyl trimethoxysilane,
Gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl trimethoxy silicane or γ-(methacryloxypropyl) propyl group
The one of which of trimethoxy silane, fluorine containing silane coupling agent and active silane coupling agents of the present invention are acetone soln, are such as contained
There are the acetone soln of fluorine decyl trimethoxy silane and the acetone soln containing γ-mercaptopropyl trimethoxysilane, the present invention
The concrete composition of nanoparticle nucleation agent is shown in Table 2 by mass fraction.
Table 2
The preparation method of the PET compounds of the heat-proof aging dielectric film of the present invention, concrete component presses Tables 1 and 2, by nanometer
Particle nucleation agent, ultra-fine nylon powder, APP and pentaerythrite and triphenyl phosphite are added in high-speed mixer at a high speed
2~5min of mixing obtains modifying agent compound, and the present invention uses commercially available high-speed mixer, and speed of agitator can be 700~1600
Rev/min, the present invention is added after first nano inoganic particle is handled with the acetone soln containing silane coupler at a high speed
It is high in high-speed mixer together with ultra-fine nylon powder, APP and pentaerythrite and triphenyl phosphite in mixer
Speed is mixed to get modifying agent compound；Or by nano inoganic particle and ultra-fine nylon powder, APP, pentaerythrite phosphorous acid three
Phenyl ester is mixed in high-speed mixer, the acetone soln containing silane coupler is sprayed in whipping process, to inorganic nanoparticles
Sub- progress, which is handled, obtains modifying agent compound.
Obtained modifying agent compound is dried with PET resin section, 100~120 DEG C of drying temperature, drying time
2~4h, is extruded using double screw extruder, extruder extrude the area's temperature of Shi mono- 180~230 DEG C, two area's temperature 230~
250 DEG C, three area's temperature in 240~280 DEG C, four area's temperature at 230~250 DEG C, screw speed is 100~400 revs/min, then is passed through
Cooling, pelletizing, the PET compounds for being drying to obtain heat-proof aging dielectric film.The present invention is in cooling, pelletizing, drying using conventional
Technique, design parameter during preparation is shown in Table 3.
Table 3
The present invention using biaxial stretching film obtained by the PET compounds of heat-proof aging dielectric film after 190 DEG C of agings 7 days,
Intrinsic viscosity, acid number, elongation at break are shown in Table 4.
Table 4
Biaxial stretching film is prepared as a comparison case using conventional PET sections, the biaxial stretching film was through 190 DEG C of agings 7 days
Afterwards, intrinsic viscosity is reduced to 0.470dl/g by 0.520dl/g, and acid number is upgraded to 113.6mmol/kg by 57.0mmol/kg, and fracture is stretched
Long rate is reduced to 3% by 610%.
Can be through finding out, using made from the PET compounds of heat-proof aging dielectric film of the present invention from table 4 and Fig. 1 and Fig. 2
Heat-proof aging dielectric film has excellent high temperature ageing resistace, resistance to available for height without the additive harmful to human body, environment
The production of the heat-proof aging dielectric film of warm grade.
Claims (7)
1. a kind of PET compounds of heat-proof aging dielectric film, it is characterised in that raw material, which is constituted, presses mass parts, including 100 parts
PET resin section, 0.1~1.0 part of nanoparticle nucleation agent, 10~15 parts of ultra-fine nylon powder, 0.1~1.0 part of poly- phosphorus
Sour ammonium, 1~10 part of pentaerythrite and 1~6 part of triphenyl phosphite；Wherein, described nanoparticle nucleation agent is silane
The nano inoganic particle of coupling agent treatment, by mass percentage, nanoparticle nucleation agent contain 4~6% silane coupler, institute
The silane coupler stated includes fluorine containing silane coupling agent and active silane coupling agents, and fluorine containing silane coupling agent and active silane are even
The quality parts ratio for joining agent is 0.6~1.2:1, described ultra-fine nylon powder is the nylon powder of 600~2000 mesh.
2. the PET compounds of the heat-proof aging dielectric film described in as requested 1, it is characterised in that：Raw material composition presses mass parts, bag
Include 100 parts PET resin section, 0.4~0.8 part of nanoparticle nucleation agent, 12~14 parts of ultra-fine nylon powder, 0.4~0.8
The APP, 3~8 parts of pentaerythrite and 3~5 parts of triphenyl phosphite of part.
3. the PET compounds of the heat-proof aging dielectric film described in as requested 1 or 2, it is characterised in that：Described inorganic nanoparticles
Son is Nano carbon white, nano-silicon nitride, nano aluminum nitride, nano aluminium oxide, nanomete talc powder, nano mica powder, nano-sized carbon
Sour calcium, nano-sized magnesium hydroxide, nm boehmite, the one of which of nanometer zinc sulfate or nano zine oxide or from any two or more
Combination.
4. the PET compounds of the heat-proof aging dielectric film described in as requested 1 or 2, it is characterised in that：Described fluorine containing silane is even
Join agent using fluorine decyl trimethoxy silane, trifluoro propyl methyldiethoxysilane, trifluoro propyl methyl dimethoxysilane,
The one of which of trifluoro propyl triethoxysilane or trifluoro propyl trimethoxy silane or from any two or more combinations.
5. the PET compounds of the heat-proof aging dielectric film described in as requested 1 or 2, it is characterised in that：Described active silane is even
Join agent and use γ-mercaptopropyl trimethoxysilane, gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl trimethoxy
The one of which of base silane or γ-(methacryloxypropyl) propyl trimethoxy silicane or from any two or more combinations.
6. the PET compounds of the heat-proof aging dielectric film described in as requested 1 or 2, it is characterised in that：Described nylon powder is Buddhist nun
Imperial 11 powder, nylon 1010 powder, NYLON610 powder, the powder of nylon 6 or nylon66 fiber powder one of which or from any two or more combinations.
7. the preparation method of the PET compounds of the heat-proof aging dielectric film according to one of claim 1 to 6, its feature exists
In：Nanoparticle nucleation agent, ultra-fine nylon powder, APP and pentaerythrite and triphenyl phosphite are added into mixed at high speed
2~5min of mixed at high speed obtains modifying agent compound in machine, wherein, first by nano inoganic particle and third containing silane coupler
Ketone solution is first handled to be added in high-speed mixer afterwards；Or by nano inoganic particle and ultra-fine nylon powder, APP, season
Penta tetrol triphenyl phosphite is mixed in high-speed mixer, and the acetone soln containing silane coupler is sprayed in whipping process
To nano inoganic particle handle；Obtained modifying agent compound is dried with PET resin section, drying temperature
100~120 DEG C, 2~4h of drying time, are extruded using double screw extruder, and extruder extrudes area's temperature 180~230
DEG C, two area's temperature in 230~250 DEG C, three area's temperature in 240~280 DEG C, four area's temperature at 230~250 DEG C, screw speed is
100~400 revs/min, then through cooling, pelletizing, be drying to obtain the PET compounds of heat-proof aging dielectric film.
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| CN101280096A (en) * | 2008-05-20 | 2008-10-08 | 上海大学 | High-glaze strengthened toughened polyethylene glycol terephthalate nanometer composite material and preparation thereof |
| CN101402784A (en) * | 2008-11-10 | 2009-04-08 | 上海金发科技发展有限公司 | Glass fiber reinforced polyethylene terephthalate composite material and method of producing the same |
| CN102002216A (en) * | 2010-11-12 | 2011-04-06 | 合肥开尔纳米能源科技股份有限公司 | Method for producing nanometer aluminum nitride-modified PET (Polyester) engineering plastic slurry |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280096A (en) * | 2008-05-20 | 2008-10-08 | 上海大学 | High-glaze strengthened toughened polyethylene glycol terephthalate nanometer composite material and preparation thereof |
| CN101402784A (en) * | 2008-11-10 | 2009-04-08 | 上海金发科技发展有限公司 | Glass fiber reinforced polyethylene terephthalate composite material and method of producing the same |
| CN102002216A (en) * | 2010-11-12 | 2011-04-06 | 合肥开尔纳米能源科技股份有限公司 | Method for producing nanometer aluminum nitride-modified PET (Polyester) engineering plastic slurry |
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