CN109320905A - A kind of electromagnetic shielding material of power equipment and preparation method thereof - Google Patents

A kind of electromagnetic shielding material of power equipment and preparation method thereof Download PDF

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Publication number
CN109320905A
CN109320905A CN201811081233.3A CN201811081233A CN109320905A CN 109320905 A CN109320905 A CN 109320905A CN 201811081233 A CN201811081233 A CN 201811081233A CN 109320905 A CN109320905 A CN 109320905A
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parts
electromagnetic shielding
power equipment
master batch
quartz
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张万里
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/16Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0081Electromagnetic shielding materials, e.g. EMI, RFI shielding

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The invention discloses a kind of electromagnetic shielding materials of power equipment, belong to technical field of electronic materials, including below according to the raw material of parts by weight: 85-95 parts of modified polyether ether ketone, electromagnetic shielding auxiliary agent 40-50 parts, 2-8 parts of water-based acrylic resin, 2.2-3.2 parts of antioxidant, 10-20 parts of quartz, rubber master batch 11-21 parts black, 3-9 parts of promotor, 10-25 parts of actinolite, it is rubber master batch 11-21 parts black, 15-25 parts of zircon sand, the invention also discloses the production methods of the electromagnetic shielding material of the power equipment;Raw material of the invention is easy to obtain, low manufacture cost;The present invention is added to black rubber master batch, has good insulation effect, greatly reduces resistivity, improve shield effectiveness;The present invention is added to zircon sand, improves the hardness of material, considerably increases its plasticity, while greatly improve electromagnet shield effect also.

Description

A kind of electromagnetic shielding material of power equipment and preparation method thereof
Technical field
The present invention relates to power electronics field of material technology, the electromagnetic shielding material of specifically a kind of power equipment and its Production method.
Background technique
With the continuous development of society, people need to use miscellaneous electric appliance in life, it is therefore desirable to use very More power equipments.And power equipment mainly includes two major classes, one is generating equipment, the other is power supply unit.Wherein generate electricity Equipment mainly includes station boiler, steam turbine, gas turbine, the hydraulic turbine, generator, transformer etc.;And power supply unit It mainly include the transmission line of electricity, mutual inductor, contactor etc. of various voltage class.And power equipment often produces at work Raw many electromagnetic waves, electromagnetic wave have very big jamming performance to electronic instrument, electronic equipment etc., also will affect the body of people Health.
Existing power equipment can not be carried out effectively the shortcomings that electromagnetic wave shielding, existing metal shielding setup, usually Metal or plastics are made, and traditional pure metal electromagnetic screen scope of application is poor, and complex manufacturing technology is expensive, makes Effectiveness with the plastics that are limited in scope is poor, is easily damaged, and practicability is lower, therefore the present invention proposes that one kind is at low cost , material with low-resistivity, high electromagnet shield effect.
Summary of the invention
The purpose of the present invention is to provide electromagnetic shielding materials of a kind of power equipment and preparation method thereof, on solving State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of electromagnetic shielding material of power equipment, including below according to the raw material of parts by weight: modified polyether ether ketone 85- 95 parts, electromagnetic shielding auxiliary agent 40-50 parts, 2-8 parts of water-based acrylic resin, 2.2-3.2 parts of antioxidant, 10-20 parts of quartz, black mother 11-21 parts of glue, 3-9 parts of promotor, 10-25 parts of actinolite, it is rubber master batch 11-21 parts black, 15-25 parts of zircon sand.
As a further solution of the present invention: the antioxidant is BHT.
As a further solution of the present invention: the promotor is zinc Isoocatanoate.
As a further solution of the present invention: the electromagnetic shielding auxiliary agent, the raw material including following parts by weight: magnetic powder 30-40 parts, 10-20 parts of quartz, 5-15 parts of waste ceramic powder.
As a further solution of the present invention: the electromagnetic shielding auxiliary agent the production method is as follows:
S1, quartz is weighed, is crushed using pulverizer, discharging-material size is 100-200 mesh, is placed in container;
S2, waste ceramic powder is added in heating furnace, begins to warm up, temperature control is 1300-1400 DEG C, heats 10- 15min;
S3, investment quartz powder and magnetic powder continue to heat 15-20min, then cool down to room temperature.
As a further solution of the present invention: the preparation method of the electromagnetic shielding material of the power equipment, step is such as Under:
S11, modified polyether ether ketone, antioxidant, quartz, black rubber master batch, promotor, actinolite, black rubber master batch, zircon sand are weighed, It is added in pulverizer and is crushed, discharging-material size is 150-250 mesh;
Mixture smashed in S11 is placed in high-speed mixer by S12, while electromagnetic shielding auxiliary agent, aqueous third is added Olefin(e) acid resin, starting high-speed mixer are stirred, and control mixing speed is 5000-6000 rpms;
S13 adds twin-screw extrude mixture made from S12, and controlling each section of extrusion temperature is 190-220 DEG C, Screw speed is 200-240 rpms, and extruding pelletization is up to power equipment electromagnetic shielding material.
Compared with prior art, the beneficial effects of the present invention are:
1, raw material of the invention is easy to obtain, low manufacture cost;
2, the present invention is added to black rubber master batch, has good insulation effect, greatly reduces resistivity, mention shield effectiveness It is high;
3, the present invention is added to zircon sand, improves the hardness of material, considerably increases its plasticity, while making to be electromagnetically shielded Efficiency also greatly improves.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
Embodiment 1
A kind of electromagnetic shielding material of power equipment, including below according to the raw material of parts by weight: modified polyether ether ketone 85 Part, 40 parts of auxiliary agent of electromagnetic shielding, 2 parts of water-based acrylic resin, 2.2 parts of antioxidant, quartzy 10 parts, 11 parts of black rubber master batch, promotor 3 Part, 10 parts of actinolite, 11 parts of black rubber master batch, 15 parts of zircon sand.
In the embodiment of the present invention, the antioxidant is BHT.
In the embodiment of the present invention, the promotor is zinc Isoocatanoate.
In the embodiment of the present invention, the electromagnetic shielding auxiliary agent, the raw material including following parts by weight: 30 parts of magnetic powder, quartz 10 parts, 5 parts of waste ceramic powder.
In the embodiment of the present invention, the electromagnetic shielding auxiliary agent the production method is as follows:
S1, quartz is weighed, is crushed using pulverizer, discharging-material size is 100 mesh, is placed in container;
S2, waste ceramic powder is added in heating furnace, begins to warm up, temperature control is 1300 DEG C, heats 10min;
S3, investment quartz powder and magnetic powder continue to heat 15min, then cool down to room temperature.
In the embodiment of the present invention, the preparation method of the electromagnetic shielding material of the power equipment, steps are as follows:
S11, modified polyether ether ketone, antioxidant, quartz, black rubber master batch, promotor, actinolite, black rubber master batch, zircon sand are weighed, It is added in pulverizer and is crushed, discharging-material size is 150 mesh;
Mixture smashed in S11 is placed in high-speed mixer by S12, while electromagnetic shielding auxiliary agent, aqueous third is added Olefin(e) acid resin, starting high-speed mixer are stirred, and control mixing speed is 5000 rpms;
S13 adds twin-screw extrude mixture made from S12, and controlling each section of extrusion temperature is 190 DEG C, screw rod Revolving speed is 200 rpms, and extruding pelletization is up to power equipment electromagnetic shielding material.
Embodiment 2
A kind of electromagnetic shielding material of power equipment, including below according to the raw material of parts by weight: modified polyether ether ketone 88 Part, 42 parts of auxiliary agent of electromagnetic shielding, 4 parts of water-based acrylic resin, 2.5 parts of antioxidant, quartzy 13 parts, 14 parts of black rubber master batch, promotor 5 Part, 14 parts of actinolite, 14 parts of black rubber master batch, 18 parts of zircon sand.
In the embodiment of the present invention, the antioxidant is BHT.
In the embodiment of the present invention, the promotor is zinc Isoocatanoate.
In the embodiment of the present invention, the electromagnetic shielding auxiliary agent, the raw material including following parts by weight: 33 parts of magnetic powder, quartz 13 parts, 8 parts of waste ceramic powder.
In the embodiment of the present invention, the electromagnetic shielding auxiliary agent the production method is as follows:
S1, quartz is weighed, is crushed using pulverizer, discharging-material size is 120 mesh, is placed in container;
S2, waste ceramic powder is added in heating furnace, begins to warm up, temperature control is 1320 DEG C, heats 14min;
S3, investment quartz powder and magnetic powder continue to heat 18min, then cool down to room temperature.
In the embodiment of the present invention, the preparation method of the electromagnetic shielding material of the power equipment, steps are as follows:
S11, modified polyether ether ketone, antioxidant, quartz, black rubber master batch, promotor, actinolite, black rubber master batch, zircon sand are weighed, It is added in pulverizer and is crushed, discharging-material size is 160 mesh;
Mixture smashed in S11 is placed in high-speed mixer by S12, while electromagnetic shielding auxiliary agent, aqueous third is added Olefin(e) acid resin, starting high-speed mixer are stirred, and control mixing speed is 5200 rpms;
S13 adds twin-screw extrude mixture made from S12, and controlling each section of extrusion temperature is 200 DEG C, screw rod Revolving speed is 210 rpms, and extruding pelletization is up to power equipment electromagnetic shielding material.
Embodiment 3
A kind of electromagnetic shielding material of power equipment, including below according to the raw material of parts by weight: modified polyether ether ketone 92 Part, 45 parts of auxiliary agent of electromagnetic shielding, 6 parts of water-based acrylic resin, 2.7 parts of antioxidant, quartzy 16 parts, 17 parts of black rubber master batch, promotor 7 Part, 21 parts of actinolite, 17 parts of black rubber master batch, 19 parts of zircon sand.
In the embodiment of the present invention, the antioxidant is BHT.
In the embodiment of the present invention, the promotor is zinc Isoocatanoate.
In the embodiment of the present invention, the electromagnetic shielding auxiliary agent, the raw material including following parts by weight: 37 parts of magnetic powder, quartz 16 parts, 11 parts of waste ceramic powder.
In the embodiment of the present invention, the electromagnetic shielding auxiliary agent the production method is as follows:
S1, quartz is weighed, is crushed using pulverizer, discharging-material size is 160 mesh, is placed in container;
S2, waste ceramic powder is added in heating furnace, begins to warm up, temperature control is 1360 DEG C, heats 14min;
S3, investment quartz powder and magnetic powder continue to heat 17min, then cool down to room temperature;
In the embodiment of the present invention, the preparation method of the electromagnetic shielding material of the power equipment, steps are as follows:
S11, modified polyether ether ketone, antioxidant, quartz, black rubber master batch, promotor, actinolite, black rubber master batch, zircon sand are weighed, It is added in pulverizer and is crushed, discharging-material size is 210 mesh;
Mixture smashed in S11 is placed in high-speed mixer by S12, while electromagnetic shielding auxiliary agent, aqueous third is added Olefin(e) acid resin, starting high-speed mixer are stirred, and control mixing speed is 5600 rpms;
S13 adds twin-screw extrude mixture made from S12, and controlling each section of extrusion temperature is 210 DEG C, screw rod Revolving speed is 230 rpms, and extruding pelletization is up to power equipment electromagnetic shielding material.
Embodiment 4
A kind of electromagnetic shielding material of power equipment, including below according to the raw material of parts by weight: modified polyether ether ketone 95 Part, 50 parts of auxiliary agent of electromagnetic shielding, 8 parts of water-based acrylic resin, 3.2 parts of antioxidant, quartzy 20 parts, 21 parts of black rubber master batch, promotor 9 Part, 25 parts of actinolite, 21 parts of black rubber master batch, 25 parts of zircon sand.
In the embodiment of the present invention, the antioxidant is BHT.
In the embodiment of the present invention, the promotor is zinc Isoocatanoate.
In the embodiment of the present invention, the electromagnetic shielding auxiliary agent, the raw material including following parts by weight: 40 parts of magnetic powder, quartz 20 parts, 15 parts of waste ceramic powder.
In the embodiment of the present invention, the electromagnetic shielding auxiliary agent the production method is as follows:
S1, quartz is weighed, is crushed using pulverizer, discharging-material size is 200 mesh, is placed in container;
S2, waste ceramic powder is added in heating furnace, begins to warm up, temperature control is 1400 DEG C, heats 15min;
S3, investment quartz powder and magnetic powder continue to heat 20min, then cool down to room temperature;
In the embodiment of the present invention, the preparation method of the electromagnetic shielding material of the power equipment, steps are as follows:
S11, modified polyether ether ketone, antioxidant, quartz, black rubber master batch, promotor, actinolite, black rubber master batch, zircon sand are weighed, It is added in pulverizer and is crushed, discharging-material size is 250 mesh;
Mixture smashed in S11 is placed in high-speed mixer by S12, while electromagnetic shielding auxiliary agent, aqueous third is added Olefin(e) acid resin, starting high-speed mixer are stirred, and control mixing speed is 6000 rpms;
S13 adds twin-screw extrude mixture made from S12, and controlling each section of extrusion temperature is 220 DEG C, screw rod Revolving speed is 240 rpms, and extruding pelletization is up to power equipment electromagnetic shielding material.
Comparative example 1
Comparative example 1 and the difference of embodiment 3 are, do not add black rubber master batch, remaining is the same as embodiment 3.
Comparative example 2
Comparative example 2 and the difference of embodiment 3 are, do not add zircon sand, remaining is the same as embodiment 3.
Comparative example 3
Comparative example 3 and the difference of embodiment 3 are, do not add black rubber master batch and zircon sand, remaining is the same as embodiment 3.
Embodiment 1-4 and the resulting material of comparative example 1-3 are tested for the property, test method are as follows: detection insulation respectively Surface resistivity, the surface resistivity of lower surface of electromagnetic shielding material upper surface, each material of re-test is in wave frequency For the electromagnet shield effect under 0.5MHz~1.5GHz;Commercially a kind of common battery shields commodity simultaneously, as Control group is tested for the property, the result is as follows:
As can be known from the above table, resistivity of the present invention is low, and has good electromagnet shield effect.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of electromagnetic shielding material of power equipment, which is characterized in that including below according to the raw material of parts by weight: modified poly- 85-95 parts of ether ether ketone, electromagnetic shielding auxiliary agent 40-50 parts, 2-8 parts of water-based acrylic resin, 2.2-3.2 parts of antioxidant, quartz 10- 20 parts, rubber master batch 11-21 parts black, 3-9 parts of promotor, 10-25 parts of actinolite, it is rubber master batch 11-21 parts black, 15-25 parts of zircon sand.
2. the electromagnetic shielding material of power equipment according to claim 1, which is characterized in that the antioxidant is BHT.
3. the electromagnetic shielding material of power equipment according to claim 2, which is characterized in that the promotor is different pungent Sour zinc.
4. the electromagnetic shielding material of power equipment according to claim 3, which is characterized in that the electromagnetic shielding helps Agent, the raw material including following parts by weight: 30-40 parts of magnetic powder, 10-20 parts of quartz, 5-15 parts of waste ceramic powder.
5. the electromagnetic shielding material and preparation method thereof of power equipment according to claim 4, which is characterized in that described Electromagnetic shielding auxiliary agent the production method is as follows:
S1, quartz is weighed, is crushed using pulverizer, discharging-material size is 100-200 mesh, is placed in container;
S2, waste ceramic powder is added in heating furnace, begins to warm up, temperature control is 1300-1400 DEG C, heats 10- 15min;
S3, investment quartz powder and magnetic powder continue to heat 15-20min, then cool down to room temperature.
6. the production method of the electromagnetic shielding material of power equipment a method as claimed in any one of claims 1 to 5, which is characterized in that step It is rapid as follows:
S11, modified polyether ether ketone, antioxidant, quartz, black rubber master batch, promotor, actinolite, black rubber master batch, zircon sand are weighed, be added It is crushed in pulverizer, discharging-material size is 150-250 mesh;
Mixture smashed in S11 is placed in high-speed mixer by S12, while electromagnetic shielding auxiliary agent, water soluble acrylic acid is added Resin, starting high-speed mixer are stirred, and control mixing speed is 5000-6000 rpms;
S13 adds twin-screw extrude mixture made from S12, and controlling each section of extrusion temperature is 190-220 DEG C, screw rod Revolving speed is 200-240 rpms, and extruding pelletization is up to power equipment electromagnetic shielding material.
7. purposes of the electromagnetic shielding material of power equipment a method as claimed in any one of claims 1 to 5 in power equipment.
CN201811081233.3A 2018-09-17 2018-09-17 A kind of electromagnetic shielding material of power equipment and preparation method thereof Pending CN109320905A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066424A (en) * 1990-06-20 1991-11-19 The United States Of America As Represented By The Secretary Of The Navy Composite material for EMI/EMP hardening protection in marine environments
CN102321338A (en) * 2011-07-15 2012-01-18 吉林大学 Polyetheretherketone-base composite electromagnetic shielding material and preparation method thereof
CN105524415A (en) * 2015-11-03 2016-04-27 南京肯特复合材料有限公司 Electromagnetic shielding PEEK/PTFE composite material and preparation method thereof
CN105524408A (en) * 2015-11-03 2016-04-27 南京肯特复合材料有限公司 Electromagnetic shielding PEEK composite material and preparation method thereof
CN106883551A (en) * 2017-03-24 2017-06-23 合肥羿振电力设备有限公司 A kind of power equipment electromagnetic shielding material and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066424A (en) * 1990-06-20 1991-11-19 The United States Of America As Represented By The Secretary Of The Navy Composite material for EMI/EMP hardening protection in marine environments
CN102321338A (en) * 2011-07-15 2012-01-18 吉林大学 Polyetheretherketone-base composite electromagnetic shielding material and preparation method thereof
CN105524415A (en) * 2015-11-03 2016-04-27 南京肯特复合材料有限公司 Electromagnetic shielding PEEK/PTFE composite material and preparation method thereof
CN105524408A (en) * 2015-11-03 2016-04-27 南京肯特复合材料有限公司 Electromagnetic shielding PEEK composite material and preparation method thereof
CN106883551A (en) * 2017-03-24 2017-06-23 合肥羿振电力设备有限公司 A kind of power equipment electromagnetic shielding material and preparation method thereof

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Application publication date: 20190212