CN107760217A - A kind of high heat conduction isolation strip for transformer - Google Patents
A kind of high heat conduction isolation strip for transformer Download PDFInfo
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- CN107760217A CN107760217A CN201711035030.6A CN201711035030A CN107760217A CN 107760217 A CN107760217 A CN 107760217A CN 201711035030 A CN201711035030 A CN 201711035030A CN 107760217 A CN107760217 A CN 107760217A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2479/00—Presence of polyamine or polyimide
- C09J2479/08—Presence of polyamine or polyimide polyimide
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- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to isolation strip technical field, and in particular to a kind of high heat conduction isolation strip for transformer, being from bottom to top cascading has parting agent layer, high heat conduction polyimides adhesive layer, metal screen layer, suction ripple layer and protective layer.The combination of screen layer of the present invention and suction ripple layer realizes the multilayer electro-magnetic screen function of isolation strip, and effectiveness is good；The thermal conductivity of metal screen layer of the present invention is high, and the combination with high heat conduction polyimides adhesive layer can greatly improve the thermal conductivity of isolation strip, so as to improve the thermal diffusivity of transformer.
Description
Technical field
The present invention relates to isolation strip technical field, and in particular to a kind of high heat conduction isolation strip for transformer.
Background technology
Transformer is made up of iron core (or magnetic core) and coil, and coil has two or more windings, wherein connecing power supply
Winding primary coil, remaining winding is secondary coil.It can convert alternating voltage, electric current and impedance.It is simplest
The coil of iron core that iron-core transformer is made by a soft magnetic materials and two numbers of turn being enclosed on iron core not etc. is formed, actual
Transformer is very complicated, can produce heat at work, and the safe and stable operation to power network brings certain hidden danger.
Installation between most of components of transformer needs adhesive tape to maintain, therefore general adhesive tape all has thermal conductivity, absolutely
Edge and temperature tolerance, but existing adhesive tape is still insufficient in thermal conductivity, and also have missing on magnetic screen function.
The content of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide one kind to have high heat conduction
Property and electromagnetic shielding performance in the high heat conduction isolation strip of transformer.
The purpose of the present invention is achieved through the following technical solutions：
A kind of high heat conduction isolation strip for transformer, parting agent layer, the high heat conduction of being from bottom to top cascading are gathered
Acid imide adhesive layer, metal screen layer, inhale ripple layer and protective layer.
Wherein, the parting agent layer is fluoride parting agent layer, and the parting agent layer thickness is 1-2 μm.
Wherein, the thickness of the high heat conduction polyimides adhesive layer is 18-21 μm.
Wherein, the metal screen layer is aluminium, gold, platinum, silver, palladium, copper, titanium, nickel, iron, chromium and above two or a variety of
A kind of metal level of formation in the alloy that metal is formed.
Further, the thickness of the metal screen layer is 15-17 μm.
Wherein, it is wear-resisting from bottom to top to include teflon insulation layer, organosilicon-modified acrylic successively for the protective layer
Layer.
Further, the thickness of the teflon insulation layer is 30-50 μm.
Further, the thickness of the organosilicon-modified acrylic wearing layer is 40-60 μm.
Wherein, the thickness for inhaling ripple layer is 20-30 μm.
Further, the suction ripple layer is made by the raw material of following parts by weight：
The suction wave-particle is made as follows：
A, microcrystalline cellulose, nanometer Fe are taken3O4, Nano graphite powder, surfactant and water is by weight 10-12：2-6:2-
8：40-100:1000 weight ratio is mixed, and ultrasonic disperse 2-4h, obtains suspension；
B, the obtained suspensions of step A are centrifuged, obtain crude product, the crude product is entered with deionized water
After row centrifuge washing 1-3 times, crude product is freeze-dried, that is, obtains described suction wave-particle.
In the present invention, methyl acrylate, acrylic acid, methyl methacrylate, butyl acrylate, n-BMA
The monomer polymerization of special ratios, can make the suction ripple layer of the present invention have preferable adhesivity, mechanical performance, tack.
Inhaling the addition of wave-particle makes suction ripple layer have suction wave energy, and the existing isolation strip with suction ripple effect is substantially
Be combined by adhesive layer and absorbing material layer, and if inhale ripple layer two sides and be both needed to compound other materials layer, then in absorbing material
The layer how compound one layer of adhesive-layer of another side, therefore easily cause the thickness of isolation strip excessive, it is unfavorable for actually using.It is and of the invention
First by by micron-sized microcrystalline cellulose and nano level nanometer Fe3O4, Nano graphite powder mixed, make suction wave-particle
Have the characteristic of micro particles and nano-particle concurrently, and micron-sized microcrystalline cellulose has more grafting active sites, solves
Nanometer Fe3O4, Nano graphite powder and the problem of organic matter poor compatibility；Further, since microcrystalline cellulose has porous spy
Property, in microcrystalline cellulose and nanometer Fe3O4, in Nano graphite powder mixed process, nanometer Fe3O4, Nano graphite powder can be embedded in it is micro-
In the hole of crystalline cellulose, so as to have the characteristic of stabilizing network structure, nanometer Fe by microcrystalline cellulose3O4, Nano graphite powder
With three-dimensional network distributivity, so as to inhibit the leakage field phenomenon for inhaling ripple layer；Furthermore nanometer Fe3O4, Nano graphite powder is respectively provided with
Higher thermal conductivity, by the three-dimensional network of microcrystalline cellulose, strengthen nanometer Fe3O4, Nano graphite powder associativity so that
Inhaling ripple layer also has preferable thermal conductivity, namely has preferable thermal diffusivity.
The addition of tackifier and crosslinking agent can improve the crosslink density between acrylic monomers and microcrystalline cellulose, so as to
The phenomenon of the spontaneous sedimentation of suction wave-particle avoided, improve the mechanical performance and stability for inhaling ripple layer.
Wherein, the initiator by azodiisobutyronitrile and azo-bis-iso-dimethyl by weight 1-3:2-4 ratio
Example composition.The initiator that the present invention compounds and the polymer compatibility that polymerizable acrylic monomer forms are good, can improve acrylic acid
The polymerization effect of monomer.
Wherein, the particle diameter of the microcrystalline cellulose is 5-8 μm, the nanometer Fe3O4Particle diameter be 10-30nm, the nanometer
The particle diameter of graphite powder is 15-30nm.Microcrystalline cellulose, nanometer Fe3O4The particle diameter of Nano graphite powder of bag with to(for) microcrystalline cellulose
Burying characteristic has large effect, and through practice, the present invention selects excellent specified particle diameter to make the abundant embedded nano of microcrystalline cellulose
Fe3O4And Nano graphite powder, the three-dimensional network of formation is stable and has nanometer Fe3O4Thermal conductivity, suction ripple with Nano graphite powder
Property and mechanical performance.
Wherein, the tackifier are by rosin resin and terpene resin by weight 1:1-2 ratio mixing composition.Tackifier
It is mutually molten altogether with acrylate copolymer, the bonding force for inhaling ripple layer is improved, but tackifier are also easily reduced the cohesive energy of polymer,
So as to destroy adhesivity, through practice, it is attached on metal screen layer that the adhesive that the present invention compounds can fully improve suction ripple layer
Put forth effort.
Wherein, the crosslinking agent presses weight by XDI and pentaerythrite-three (3- '-aziridinos) propionic ester
Amount compares 4-6:1 ratio composition.Crosslinking agent can improve the crosslink density of acrylic monomers, so as to improve the stability for inhaling ripple layer
And mechanical performance.
Wherein, the surfactant is pressed by neopelex and polyoxyethylene 20 sorbitan monolaurate
Weight compares 1-3:1 ratio composition.Surfactant contributes to microcrystalline cellulose, nanometer Fe3O4Scattered with Nano graphite powder mixes
Close, through practice, the dispersion effect that the surfactant that the present invention compounds plays is preferable.
Wherein, the preparation method for inhaling ripple layer comprises the following steps (1) in parts by weight by methyl acrylate, propylene
Acid, methyl methacrylate, butyl acrylate, n-BMA, initiator and suction wave-particle are added in acetone, mixing
60-80 DEG C is warming up to after uniformly, 4-6h is reacted, that is, obtains the first acrylic acid viscose glue；(2) temperature of the acrylic acid viscose glue is controlled
For 40-60 DEG C, the tackifier and crosslinking agent are added toward the acrylic acid viscose glue, disperses 1-2h, that is, obtains the second acrylic acid and glue
Glue；(3) the second acrylic acid viscose glue is coated on metal screen layer, baking 40-60min is carried out with 100-120 DEG C of temperature,
Obtain the suction ripple layer.
The beneficial effects of the present invention are：1st, the combination of screen layer of the present invention and suction ripple layer realizes the multilayer electricity of isolation strip
Magnetic screen function, effectiveness are good；2nd, the thermal conductivity of metal screen layer of the present invention is high, with high heat conduction polyimides adhesive layer
Combination can greatly improve the thermal conductivity of isolation strip, so as to improve the thermal diffusivity of transformer..
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Reference is：1- parting agent layers, 2- high heat conduction polyimides adhesive layer, 3- metal screen layers, 4- inhale ripple layer, 5-
Protective layer, 51- teflon insulations layer, 52- organosilicon-modified acrylic wearing layers.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made with reference to embodiment and accompanying drawing 1 further
Illustrate, the content that embodiment refers to not is limitation of the invention.
Embodiment 1
As shown in figure 1, a kind of high heat conduction isolation strip for transformer, being from bottom to top cascading has parting agent layer
1st, high heat conduction polyimides adhesive layer 2, metal screen layer 3, suction ripple layer 4 and protective layer 5.
The combination of screen layer of the present invention and suction ripple layer 4 realizes the multilayer electro-magnetic screen function of isolation strip, electromagnetic shielding effect
Fruit is good；The thermal conductivity of metal screen layer 3 of the present invention is high, and the combination with high heat conduction polyimides adhesive layer 2 can be improved greatly
The thermal conductivity of isolation strip, so as to improve the thermal diffusivity of transformer.
Wherein, the parting agent layer 1 is fluoride parting agent layer, and the thickness of the parting agent layer 1 is 1-2 μm.Fluoride
Parting agent layer has higher heat resistance.
Wherein, the thickness of the high heat conduction polyimides adhesive layer 2 is 18-21 μm.High heat conduction polyimides adhesive layer 2
Thickness is less than 18 μm, then caking property is weaker, and thickness is more than 21 μm, there is larger obstruction to heat conduction.
Wherein, the metal screen layer 3 is aluminium, gold, platinum, silver, palladium, copper, titanium, nickel, iron, chromium and above two or two kinds
The metal level of a kind of formation in the alloy that above metal is formed, it is preferable that the metal screen layer 3 is nickel metal layer.Nickel gold
The category layer characteristic such as have lightweight, shielding strong.
Further, the thickness of the metal screen layer 3 is 15-17 μm.Metal screen layer 3 is less than 15 μm, then difficult processing
Spend larger, higher than 17 μm, then cause cost to waste.
Wherein, the thickness for inhaling ripple layer 4 is 20-30 μm.
Wherein, it is resistance to from bottom to top to include teflon insulation layer 51, organosilicon-modified acrylic successively for the protective layer 5
Grind layer 52.
Further, the thickness of the teflon insulation layer 51 is 30-50 μm.Teflon insulation layer 51 insulate
Property it is good, tack is strong, and temperature tolerance is high.
Further, the thickness of the organosilicon-modified acrylic wearing layer 52 is 40-60 μm.Organosilicon-modified acrylic
Wearing layer 52 has the characteristics that intensity is high, wearability is strong, temperature tolerance is good.
Embodiment 2
The present embodiment and the difference of embodiment 1 are：
The suction ripple layer 4 is made by the raw material of following parts by weight：
The suction wave-particle is made as follows：
A, microcrystalline cellulose, nanometer Fe are taken3O4, Nano graphite powder, surfactant and water is by weight 11：4:5：70:
1000 weight ratio is mixed, and ultrasonic disperse 3h, obtains suspension；
B, the obtained suspensions of step A are centrifuged, obtain crude product, the crude product is entered with deionized water
After row centrifuge washing 2 times, crude product is freeze-dried, that is, obtains described suction wave-particle.
Wherein, the initiator is by azodiisobutyronitrile and azo-bis-iso-dimethyl by weight 2:3 ratio group
Into.
Wherein, the particle diameter of the microcrystalline cellulose is 6.5 μm, the nanometer Fe3O4Particle diameter be 20nm, the nanometer stone
The particle diameter of ink powder is 22.5nm.
Wherein, the tackifier are by rosin resin and terpene resin by weight 1:1.5 ratio mixing composition.
Wherein, the crosslinking agent presses weight by XDI and pentaerythrite-three (3- '-aziridinos) propionic ester
Measure ratio 5:1 ratio composition.
Wherein, the surfactant is pressed by neopelex and polyoxyethylene 20 sorbitan monolaurate
Weight is than 2:1 ratio composition.
Wherein, the preparation method for inhaling ripple layer 4 comprises the following steps (1) in parts by weight by methyl acrylate, propylene
Acid, methyl methacrylate, butyl acrylate, n-BMA, initiator and suction wave-particle are added in acetone, mixing
70 DEG C are warming up to after uniformly, 5h is reacted, that is, obtains the first acrylic acid viscose glue；(2) temperature for controlling the acrylic acid viscose glue is 50
DEG C, the tackifier and crosslinking agent are added toward the acrylic acid viscose glue, disperses 1.5h, that is, obtains the second acrylic acid viscose glue；(3) will
The second acrylic acid viscose glue is coated on metal screen layer 3, and baking 50min is carried out with 110 DEG C of temperature, that is, obtains the suction ripple
Layer 4.
Embodiment 3
The present embodiment and the difference of embodiment 1 are：
The suction ripple layer 4 is made by the raw material of following parts by weight：
The suction wave-particle is made as follows：
A, microcrystalline cellulose, nanometer Fe are taken3O4, Nano graphite powder, surfactant and water is by weight 10：2:2：40:
1000 weight ratio is mixed, and ultrasonic disperse 2-4h, obtains suspension；
B, the obtained suspensions of step A are centrifuged, obtain crude product, the crude product is entered with deionized water
After row centrifuge washing 1 time, crude product is freeze-dried, that is, obtains described suction wave-particle.
Wherein, the initiator is by azodiisobutyronitrile and azo-bis-iso-dimethyl by weight 1:2 ratio group
Into.
Wherein, the particle diameter of the microcrystalline cellulose is 5 μm, the nanometer Fe3O4Particle diameter be 10nm, the nano-graphite
The particle diameter of powder is 15nm.
Wherein, the tackifier are by rosin resin and terpene resin by weight 1:1 ratio mixing composition.
Wherein, the crosslinking agent presses weight by XDI and pentaerythrite-three (3- '-aziridinos) propionic ester
Measure ratio 4:1 ratio composition.
Wherein, the surfactant is pressed by neopelex and polyoxyethylene 20 sorbitan monolaurate
Weight is than 1:1 ratio composition.
Wherein, the preparation method for inhaling ripple layer 4 comprises the following steps (1) in parts by weight by methyl acrylate, propylene
Acid, methyl methacrylate, butyl acrylate, n-BMA, initiator and suction wave-particle are added in acetone, mixing
60 DEG C are warming up to after uniformly, 4h is reacted, that is, obtains the first acrylic acid viscose glue；(2) temperature for controlling the acrylic acid viscose glue is 40
DEG C, the tackifier and crosslinking agent are added toward the acrylic acid viscose glue, disperses 1h, that is, obtains the second acrylic acid viscose glue；(3) by institute
State the second acrylic acid viscose glue and be coated on metal screen layer 3, baking 40min is carried out with 100 DEG C of temperature, that is, obtain the suction ripple layer
4。
Embodiment 4
The present embodiment and the difference of embodiment 1 are：
The suction ripple layer 4 is made by the raw material of following parts by weight：
The suction wave-particle is made as follows：
A, microcrystalline cellulose, nanometer Fe are taken3O4, Nano graphite powder, surfactant and water is by weight 12：6:8：100:
1000 weight ratio is mixed, and ultrasonic disperse 2-4h, obtains suspension；
B, the obtained suspensions of step A are centrifuged, obtain crude product, the crude product is entered with deionized water
After row centrifuge washing 3 times, crude product is freeze-dried, that is, obtains described suction wave-particle.
Wherein, the initiator is by azodiisobutyronitrile and azo-bis-iso-dimethyl by weight 3:4 ratio group
Into.
Wherein, the particle diameter of the microcrystalline cellulose is 8 μm, the nanometer Fe3O4Particle diameter be 30nm, the nano-graphite
The particle diameter of powder is 30nm.
Wherein, the tackifier are by rosin resin and terpene resin by weight 1:2 ratio mixing composition.
Wherein, the crosslinking agent presses weight by XDI and pentaerythrite-three (3- '-aziridinos) propionic ester
Measure ratio 6:1 ratio composition.
Wherein, the surfactant is pressed by neopelex and polyoxyethylene 20 sorbitan monolaurate
Weight is than 3:1 ratio composition.
Wherein, the preparation method for inhaling ripple layer 4 comprises the following steps (1) in parts by weight by methyl acrylate, propylene
Acid, methyl methacrylate, butyl acrylate, n-BMA, initiator and suction wave-particle are added in acetone, mixing
80 DEG C are warming up to after uniformly, 6h is reacted, that is, obtains the first acrylic acid viscose glue；(2) temperature for controlling the acrylic acid viscose glue is 60
DEG C, the tackifier and crosslinking agent are added toward the acrylic acid viscose glue, disperses 2h, that is, obtains the second acrylic acid viscose glue；(3) by institute
State the second acrylic acid viscose glue and be coated on metal screen layer 3, baking 60min is carried out with 120 DEG C of temperature, that is, obtain the suction ripple layer
4。
Embodiment 5
The present embodiment and the difference of embodiment 1 are：
The suction ripple layer 4 is made by the raw material of following parts by weight：
The suction wave-particle is made as follows：
A, microcrystalline cellulose, nanometer Fe are taken3O4, Nano graphite powder, surfactant and water is by weight 11：5:7：80:
1000 weight ratio is mixed, and ultrasonic disperse 2-4h, obtains suspension；
B, the obtained suspensions of step A are centrifuged, obtain crude product, the crude product is entered with deionized water
After row centrifuge washing 2 times, crude product is freeze-dried, that is, obtains described suction wave-particle.
Wherein, the initiator is by azodiisobutyronitrile and azo-bis-iso-dimethyl by weight 1:1 ratio group
Into.
Wherein, the particle diameter of the microcrystalline cellulose is 7 μm, the nanometer Fe3O4Particle diameter be 25nm, the nano-graphite
The particle diameter of powder is 25nm.
Wherein, the tackifier are by rosin resin and terpene resin by weight 1:1-2 ratio mixing composition.
Wherein, the crosslinking agent presses weight by XDI and pentaerythrite-three (3- '-aziridinos) propionic ester
Measure ratio 5.5:1 ratio composition.
Wherein, the surfactant is pressed by neopelex and polyoxyethylene 20 sorbitan monolaurate
Weight is than 2.5:1 ratio composition.
Wherein, the preparation method for inhaling ripple layer 4 comprises the following steps (1) in parts by weight by methyl acrylate, propylene
Acid, methyl methacrylate, butyl acrylate, n-BMA, initiator and suction wave-particle are added in acetone, mixing
75 DEG C are warming up to after uniformly, 5.5h is reacted, that is, obtains the first acrylic acid viscose glue；(2) temperature for controlling the acrylic acid viscose glue is
55 DEG C, the tackifier and crosslinking agent are added toward the acrylic acid viscose glue, disperses 1.8h, that is, obtains the second acrylic acid viscose glue；(3)
The second acrylic acid viscose glue is coated on metal screen layer 3, baking 55min is carried out with 115 DEG C of temperature, that is, obtains the suction
Ripple layer 4.
Embodiment 6
The present embodiment and the difference of embodiment 1 are：
The suction ripple layer 4 is made by the raw material of following parts by weight：
The suction wave-particle is made as follows：
A, microcrystalline cellulose, nanometer Fe are taken3O4, Nano graphite powder, surfactant and water is by weight 12：3:3：50:
1000 weight ratio is mixed, and ultrasonic disperse 2.5h, obtains suspension；
B, the obtained suspensions of step A are centrifuged, obtain crude product, the crude product is entered with deionized water
After row centrifuge washing 2 times, crude product is freeze-dried, that is, obtains described suction wave-particle.
Wherein, the initiator is by azodiisobutyronitrile and azo-bis-iso-dimethyl by weight 1:3 ratio group
Into.
Wherein, the particle diameter of the microcrystalline cellulose is 6 μm, the nanometer Fe3O4Particle diameter be 15nm, the nano-graphite
The particle diameter of powder is 20nm.
Wherein, the tackifier are by rosin resin and terpene resin by weight 1:1.2 ratio mixing composition.
Wherein, the crosslinking agent presses weight by XDI and pentaerythrite-three (3- '-aziridinos) propionic ester
Measure ratio 4.2:1 ratio composition.
Wherein, the surfactant is pressed by neopelex and polyoxyethylene 20 sorbitan monolaurate
Weight is than 1.2:1 ratio composition.
Wherein, the preparation method for inhaling ripple layer 4 comprises the following steps (1) in parts by weight by methyl acrylate, propylene
Acid, methyl methacrylate, butyl acrylate, n-BMA, initiator and suction wave-particle are added in acetone, mixing
65 DEG C are warming up to after uniformly, 4.5h is reacted, that is, obtains the first acrylic acid viscose glue；(2) temperature for controlling the acrylic acid viscose glue is
45 DEG C, the tackifier and crosslinking agent are added toward the acrylic acid viscose glue, disperses 1.3h, that is, obtains the second acrylic acid viscose glue；(3)
The second acrylic acid viscose glue is coated on metal screen layer 3, baking 45min is carried out with 105 DEG C of temperature, that is, obtains the suction
Ripple layer 4.
Embodiment 7
The present embodiment and the difference of embodiment 1 are：
The suction ripple layer 4 is made by the raw material of following parts by weight：
The suction wave-particle is made as follows：
A, microcrystalline cellulose, nanometer Fe are taken3O4, Nano graphite powder, surfactant and water is by weight 10：5:4：80:
1000 weight ratio is mixed, and ultrasonic disperse 2-4h, obtains suspension；
B, the obtained suspensions of step A are centrifuged, obtain crude product, the crude product is entered with deionized water
After row centrifuge washing 3 times, crude product is freeze-dried, that is, obtains described suction wave-particle.
Wherein, the initiator is by azodiisobutyronitrile and azo-bis-iso-dimethyl by weight 3:2 ratio group
Into.
Wherein, the particle diameter of the microcrystalline cellulose is 6 μm, the nanometer Fe3O4Particle diameter be 22nm, the nano-graphite
The particle diameter of powder is 26nm.
Wherein, the tackifier are by rosin resin and terpene resin by weight 1:1 ratio mixing composition.
Wherein, the crosslinking agent presses weight by XDI and pentaerythrite-three (3- '-aziridinos) propionic ester
Measure ratio 4:1 ratio composition.
Wherein, the surfactant is pressed by neopelex and polyoxyethylene 20 sorbitan monolaurate
Weight is than 3:1 ratio composition.
Wherein, the preparation method for inhaling ripple layer 4 comprises the following steps (1) in parts by weight by methyl acrylate, propylene
Acid, methyl methacrylate, butyl acrylate, n-BMA, initiator and suction wave-particle are added in acetone, mixing
80 DEG C are warming up to after uniformly, 5h is reacted, that is, obtains the first acrylic acid viscose glue；(2) temperature for controlling the acrylic acid viscose glue is 55
DEG C, the tackifier and crosslinking agent are added toward the acrylic acid viscose glue, disperses 2h, that is, obtains the second acrylic acid viscose glue；(3) by institute
State the second acrylic acid viscose glue and be coated on metal screen layer 3, baking 47min is carried out with 112 DEG C of temperature, that is, obtain the suction ripple layer
4。
After tested, the embodiment 2-7 shore hardness of suction ripple layer 4 is 46.5-50.1HB, toughness (ASTM E1820/2013)
For 2.4-2.7 times, adhesive force (ISO) is 0-1 levels, thermal conductivity 1.2-1.6W/mK, in 1kHz~1GHz band limits
Maximum reflection coefficient is -36~-24db, has preferable magnetic screen efficiency.
Above-described embodiment is the preferable implementation of the present invention, and in addition, the present invention can be realized with other manner,
Do not depart from and any on the premise of present inventive concept obviously replace within protection scope of the present invention.
Claims (10)
- A kind of 1. high heat conduction isolation strip for transformer, it is characterised in that：From bottom to top be cascading have parting agent layer, High heat conduction polyimides adhesive layer, metal screen layer, inhale ripple layer and protective layer.
- A kind of 2. high heat conduction isolation strip for transformer according to claim 1, it is characterised in that：The parting agent layer For fluoride parting agent layer, the thickness of the parting agent layer is 1-2 μm.
- A kind of 3. high heat conduction isolation strip for transformer according to claim 1, it is characterised in that：The high heat conduction is gathered The thickness of acid imide adhesive layer is 18-21 μm.
- A kind of 4. high heat conduction isolation strip for transformer according to claim 1, it is characterised in that：The metallic shield Layer is one kind in aluminium, gold, platinum, silver, palladium, copper, titanium, nickel, iron, chromium and above two or the alloy of two or more metals formation The metal level of formation.
- A kind of 5. high heat conduction isolation strip for transformer according to claim 4, it is characterised in that：The metallic shield The thickness of layer is 15-17 μm.
- A kind of 6. high heat conduction isolation strip for transformer according to claim 1, it is characterised in that：The protective layer by Include teflon insulation layer, organosilicon-modified acrylic wearing layer on down successively.
- A kind of 7. high heat conduction isolation strip for transformer according to claim 6, it is characterised in that：The polytetrafluoroethyl-ne The thickness of alkene insulating barrier is 30-50 μm.
- A kind of 8. high heat conduction isolation strip for transformer according to claim 6, it is characterised in that：The organosilicon changes Property acrylic acid wearing layer thickness be 40-60 μm.
- A kind of 9. high heat conduction isolation strip for transformer according to claim 1, it is characterised in that：The suction ripple layer Thickness is 20-30 μm.
- A kind of 10. high heat conduction isolation strip for transformer according to claim 1, it is characterised in that：The suction ripple layer It is made by the raw material of following parts by weight：The suction wave-particle is made as follows：A, microcrystalline cellulose, nanometer Fe_3O_4, Nano graphite powder, surfactant and water are taken by weight 10-12：2-6:2-8： 40-100:1000 weight ratio is mixed, and ultrasonic disperse 2-4h, obtains suspension；B, the obtained suspensions of step A are centrifuged, obtain crude product, the crude product is carried out with deionized water from After the heart washs 1-3 times, crude product is freeze-dried, that is, obtains described suction wave-particle.
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| CN201711035030.6A CN107760217A (en) | 2017-10-30 | 2017-10-30 | A kind of high heat conduction isolation strip for transformer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110408336A (en) * | 2019-09-06 | 2019-11-05 | 广东亚龙兴新材料有限公司 | The preparation method of antimagnetic thermally conductive one side glue |
| CN110437756A (en) * | 2019-09-06 | 2019-11-12 | 广东亚龙兴新材料有限公司 | The preparation method of high frequency protection one side glue |
| CN111328186A (en) * | 2020-03-07 | 2020-06-23 | 广东亚龙兴新材料有限公司 | Flexible circuit board structure |
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| CN104890320A (en) * | 2015-05-26 | 2015-09-09 | 斯迪克新型材料（江苏）有限公司 | Shielding film with high heat-conducting coefficient |
| CN106847410A (en) * | 2016-12-14 | 2017-06-13 | 安徽得尚电子科技有限公司 | A kind of anti-interference voice data transmission line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890320A (en) * | 2015-05-26 | 2015-09-09 | 斯迪克新型材料（江苏）有限公司 | Shielding film with high heat-conducting coefficient |
| CN106847410A (en) * | 2016-12-14 | 2017-06-13 | 安徽得尚电子科技有限公司 | A kind of anti-interference voice data transmission line |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110408336A (en) * | 2019-09-06 | 2019-11-05 | 广东亚龙兴新材料有限公司 | The preparation method of antimagnetic thermally conductive one side glue |
| CN110437756A (en) * | 2019-09-06 | 2019-11-12 | 广东亚龙兴新材料有限公司 | The preparation method of high frequency protection one side glue |
| CN111328186A (en) * | 2020-03-07 | 2020-06-23 | 广东亚龙兴新材料有限公司 | Flexible circuit board structure |
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