CN109504019A - A kind of cable filler strip and preparation method thereof with anti-electromagnetic interference function and excellent heat conductivity performance - Google Patents
A kind of cable filler strip and preparation method thereof with anti-electromagnetic interference function and excellent heat conductivity performance Download PDFInfo
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- CN109504019A CN109504019A CN201811219429.4A CN201811219429A CN109504019A CN 109504019 A CN109504019 A CN 109504019A CN 201811219429 A CN201811219429 A CN 201811219429A CN 109504019 A CN109504019 A CN 109504019A
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
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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
- C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08L57/02—Copolymers of mineral oil hydrocarbons
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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Abstract
A kind of cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the cable filler strip by weight part, including following components: thermoplastic elastomer (TPE), Petropols, graphite powder, filtering material, fire retardant, auxiliary agent.Cable filler strip of the present invention with anti-electromagnetic interference function and excellent heat conductivity performance, by using electromagnetic wave absorbent material, the electromagnetic wave that its surface can be projected onto largely absorbs, and it is lost by the electric or magnetic of material and consumes the energy that electromagnetic energy is converted into thermal energy or other forms, and it reflects, scattering and transmission all very littles, meeting traditional cable filler strip for flame retardant property, while heating conduction and physical mechanical property require, it can have excellent electromagnetism interference performance, it avoids because there are biggish branch's capacitor and mutual inductance between core wire, so as to cause conducting wire between occur signal cross-talk the problem of.
Description
Technical field
The invention belongs to technical field of polymer materials, are related to a kind of with anti-electromagnetic interference function and excellent heat conductivity performance
Cable filler strip and preparation method thereof.
Background technique
In electronic equipment and system, various cables are that signal transmits essential contact tie, while cable is again
Lead to the principal element of various electromagnetic compatibilities (EMC) problem.The distance of conducting wire parallel transmission in cable is long, therefore core wire
Between there are biggish branch's capacitor and mutual inductance, this will lead to the crosstalk that signal occurs between conducting wire, also can be to ambient enviroment
Cause unnecessary electromagnetic pollution problem.In the production process of cable, in order to guarantee the rounding property of cable, avoid between core wire
Phase mutual friction, it usually needs cable filler strip is added between core wire.It is currently used to be used to prepare filling out for cable filler strip
Filling material includes halogen fire proofing, non-flammable glass fiber material or fire-retardant mineral wool rope etc., meets it for fire-retardant
With the requirement of various aspects physical property, but corresponding solution is not given for electromagnetism interference problem, while tradition
Packing material heat dissipation performance it is bad, in transmission process, cable can externally distribute heat, will affect cable transmittability and
Loss of the rated current in same segmental conductor.
Cable filler strip traditional at present is designed frequently with glass fiber material, halogen fire proofing or fire-retardant rock wool
The materials such as rope are made, and mainly consider whether its flame retardant property and physical mechanical property meet the requirements, for electromagnetism interference problem
Corresponding solution is not given, while traditional packing material heat dissipation performance is bad, in transmission process, cable can be right
Distribute heat outside, will affect cable transmittability and rated current same segmental conductor loss.
The shortcomings that cable filler strip of the prior art and the reason is as follows that:
1) for the cross-interference issue of generation signal between conducting wire, fail to provide the ability of effective electromagnetism interference；
2) packing heat conduction and heat radiation poor performance made of Conventional filling material；
3) production technology is more complicated, cumbersome.
Summary of the invention
Goal of the invention: for overcome the deficiencies in the prior art, the object of the present invention is to provide one kind to have electromagnetism interference
The cable filler strip of function and excellent heat conductivity performance and prepare the electricity with anti-electromagnetic interference function and excellent heat conductivity performance
The method of cable filling.
Technical solution: it is filled the present invention provides a kind of with anti-electromagnetic interference function and the cable of excellent heat conductivity performance
Item, the cable filler strip by weight part, including following components: 20-100 parts of thermoplastic elastomer (TPE), Petropols 20-
100 parts, 20-80 parts of graphite powder, 10-50 parts of filtering material, 10-50 parts of fire retardant, 10-50 parts of auxiliary agent.Tool of the present invention
There is the cable filler strip of anti-electromagnetic interference function and excellent heat conductivity performance, by using electromagnetic wave absorbent material (referred to as filtering material
Material), the electromagnetic wave that can be projected onto its surface largely absorbs, and is lost by the electric or magnetic of material and converts electromagnetic energy
It is consumed as thermal energy or the energy of other forms, and reflects, scatters and transmit all very littles, meeting traditional cable filling
While item requires flame retardant property, heating conduction and physical mechanical property, excellent electromagnetism interference performance can have,
Avoid because between core wire there are biggish branch's capacitor and mutual inductance, so as to cause conducting wire between asking for signal cross-talk occurs
Topic.
Further, the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the thermoplastic
Property elastomer include phenylethylene (SBS, SIS, SEBS, SEPS), olefines (TP0, TPV, APAO), diene class (TPB,
TPI), polyvinyl chloride-base (TPVC, TCPE), urethane class (TPU), esters (TPEE), amides (TPAE), organic fluoride class (TPF),
One of organic silicon and vinyl or the mixing of a variety of elastomers.
Further, the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the petroleum
Resin includes group aliphatic resin (C5), alicyclic resin (DCPD), aromatic resin (C9), aliphatic/aromatic copolymer resins
(C5/C9) and one of hydrogenated petroleum resin, C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin or a variety of mixing.
Further, the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the filtering
Material includes ferrite, metal fine powder, barium titanate, silicon carbide, graphite, conductive fiber.
Further, the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, it is described fire-retardant
Agent includes halogenated flame retardant, phosphorus flame retardant, nitrogenated flame retardant, phosphorus-halogenated flame retardant, phosphorus-nitrogenated flame retardant.Fire retardant according to
It needs to select several classes such as halogenated flame retardant, phosphorus flame retardant, nitrogenated flame retardant, phosphorus-halogenated flame retardant, phosphorus-nitrogenated flame retardant.Its
In, there are alkyl acid phosphate esters: tributyl phosphate, tri-2-ethylhexyl phosphate, tricresyl phosphate (2- chloroethyl) ester, tricresyl phosphate
(2,3- bis- chloropropyl) ester, tricresyl phosphate (2,3- dibromopropyl) ester, Pyrol99 etc.；Aryl phosphate: tricresyl phosphate-diphenyl ester,
Tricresyl phosphate, triphenyl phosphate, phosphoric acid (2- ethylhexyl)-diphenyl ester etc..Dicyclopentadiene class: Niran acid anhydrides etc.；Rouge
Fat race bromide: methylene bromide, trichlorobromomethane, two chlorobromomethanes and octabromodiphenyl base oxide, pentabromoethyl benzene, tetrabromo are double
The aromatic bromides such as phenol A and other halides.There are also tricresyl phosphate (dibromopropyl) ester and cyclohexane halide and its derivatives, ten
Bromo biphenyl ether and its derivative.Inorganic fire retardants has tellurium compound, hydroxy Al, magnesium hydroxide, borate etc..
It is organic nitrogenated flame retardant, such as triazine and its derivative, the resistance of melamine nitrogen system that the present invention, which is preferably fire retardant,
Firing agent is melamine and its compound with phosphorus, mainly melamine, melamine cyanurate and melamine phosphate.
Nitrogenated flame retardant is generally White crystal fine powder, 10 μm~50 μm of partial size, is easy dispersion.Density 1.5cm~1.7g/cm.Nitrogen
Flame retardant has many good qualities: highly effective flame-retardant；It is halogen-free；Corrosion-free effect, thus reduce machinery and be corroded problem；Resistance to purple
Outer illumination；Good electrical property, advantage is the most obvious in electronic apparatus product；It is colour-fast, no blooming；It is recyclable to recycle.
Further, the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the auxiliary agent
Including naphthenic oil, antioxidant, defoaming agent, plasticizer, foaming agent.
Further, the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the metal
Micro mist include Fe-Si metal fine powder, FeNi perm metal fine powder, Sendust metal fine powder, FeSiCr iron silicochromium metal fine powder,
FeCuB metal fine powder, FeCuSiBCo metal fine powder, FeCuBNi metal fine powder, FeCuSiBCV metal fine powder.Metal fine powder can
To be selected as needed, belong to magnetic loss type absorbent, polarizes by magnetic hystersis loss, eddy-current loss and residual loss etc.
Mechanism decaying absorbs electromagnetic noise, has strong absorption, and effect is good, thickness is thin, working band is wide, light-weight, adhesion strength is high etc.
Feature.
Further, the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the filtering
Material is carbon nanotube.The preferred carbon nanotube of the present invention is as filtering material, Performances of Novel Nano-Porous of the carbon nanotube as one-dimensional hexagon
Rice material, with light-weight, intensity height, good toughness, a variety of excellent physical properties such as excellent thermal conductivity, simultaneously because carbon
The special structure of nanotube possesses stronger wide-band microwave absorbent properties, is emitted to the electricity of the material surface in dielectric property
Magnetic wave is absorbed, and will not generate reflection, is had excellent performance.
The present invention also provides a kind of preparation sides of cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance
Method, comprising the following steps:
1) thermoplastic elastomer (TPE), Petropols, fire retardant, auxiliary agent are added in kneader, control 100-200 DEG C of temperature in the kettle,
Revolving speed 40-80r/min, low speed kneading processing, obtains flame retardant type complex colloid A；
2) graphite powder is uniformly added into kneader again, revolving speed is adjusted to 100-200r/min, carries out high speed dispersion mixing, mixing
60-180min is stirred, the compound flame retardant type complex colloid B of graphite is obtained；
3) filtering material being added in complex colloid B, revolving speed 100-200r/min mixes 120-360min through high speed dispersion,
Obtain the compound flame retardant type complex colloid C for being dispersed with filtering material and graphite；
4) complex colloid C obtained is transferred in supreme temperature extrusion device, 120-160 DEG C of temperature, after extrusion cooling and solidifying at
Type obtains the cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance.
The preparation side of cable filler strip of the present invention with anti-electromagnetic interference function and excellent heat conducting heat dissipation performance
Method, method is reasonable, and preparation process is simple, is conducive to large-scale production, the product of preparation compared to packing made of traditional material,
And the present invention is designed using unique formula, adds filtering material and graphite composite powder respectively to improve the anti-electromagnetism of target product
Jamming performance and heat conduction and heat radiation performance.
Above-mentioned technical proposal can be seen that has anti-electromagnetism dry the invention has the following beneficial effects: of the present invention
The cable filler strip for disturbing function and excellent heat conductivity performance can provide effective anti-electromagnetism using filtering material for target product
Jamming performance, the addition of graphite powder can improve the heat conduction and heat radiation performance of target product.Raw material is sequentially added in kneader and is mixed
It closes, controls temperature revolving speed, obtain complex colloid after being uniformly dispersed, through high-temperature extruder extrusion molding, can be obtained target product.
Compared to traditional cable filler strip, have the advantage that
1, the addition of filtering material can improve effective anti-electromagnetic interference capability for target product；
2, there is good heat conduction and heat radiation performance；
3, simple production process.
Specific embodiment
The embodiment of the present invention is described below in detail, is exemplary below with reference to the embodiment of description, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands " is the orientation or positional relationship based on shown in, is merely for convenience of the description present invention
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Embodiment 1
A kind of cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the cable filler strip is with components by weight percent
Meter, including following components: 20 parts of SBS thermoplastic elastomer (TPE), 20 parts of hydrogenated petroleum resin, 20 parts of graphite powder, ferrite filter material
Expect 10 parts, 10 parts of tributyl phosphate fire retardant, 10 parts of auxiliary agent.
The preparation method of the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, including following step
It is rapid:
1) thermoplastic elastomer (TPE), hydrogenated petroleum resin, fire retardant, auxiliary agent are added in kneader, control 100 DEG C of temperature in the kettle,
Revolving speed 40r/min, low speed kneading processing, obtains flame retardant type complex colloid A；
2) graphite powder is uniformly added into kneader again, revolving speed is adjusted to 100r/min, carries out high speed dispersion mixing, is mixed
60min obtains the compound flame retardant type complex colloid B of graphite；
3) filtering material is added in complex colloid B, revolving speed 100r/min mixes 120min through high speed dispersion, dispersed
There is the compound flame retardant type complex colloid C of filtering material and graphite；
4) complex colloid C obtained is transferred in supreme temperature extrusion device, 120 DEG C of temperature, molding is cooled and solidified after extrusion, is obtained
The cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance.
Embodiment 2
A kind of cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the cable filler strip is with components by weight percent
Meter, including following components: 100 parts of TPB thermoplastic elastomer (TPE), 100 parts of DCPD, 80 parts of graphite powder, carbon nanotube filtering material
50 parts, 50 parts of hydroxy Al fire retardant, 50 parts of auxiliary agent.
The preparation method of the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, including following step
It is rapid:
1) thermoplastic elastomer (TPE), DCPD, fire retardant, auxiliary agent are added in kneader, control 200 DEG C of temperature in the kettle, revolving speed 40r/
Min, low speed kneading processing, obtains flame retardant type complex colloid A；
2) graphite powder is uniformly added into kneader again, revolving speed is adjusted to 200r/min, carries out high speed dispersion mixing, is mixed
180min obtains the compound flame retardant type complex colloid B of graphite；
3) filtering material is added in complex colloid B, revolving speed 200r/min mixes 360min through high speed dispersion, dispersed
There is the compound flame retardant type complex colloid C of filtering material and graphite；
4) complex colloid C obtained is transferred in supreme temperature extrusion device, 160 DEG C of temperature, molding is cooled and solidified after extrusion, is obtained
The cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance.
Embodiment 3
A kind of cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the cable filler strip is with components by weight percent
Meter, including following components: 60 parts of TPEE thermoplastic elastomer (TPE), 80 parts of C5 hydrogenated petroleum resin, 50 parts of graphite powder, FeCuSiBCV
15 parts of metal fine powder filtering material, 30 parts of melamine cyanurate fire retardant, 25 parts of auxiliary agent.
The preparation method of the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, including following step
It is rapid:
1) thermoplastic elastomer (TPE), Petropols, fire retardant, auxiliary agent are added in kneader, control 150 DEG C of temperature in the kettle, revolving speed
60r/min, low speed kneading processing, obtains flame retardant type complex colloid A；
2) graphite powder is uniformly added into kneader again, revolving speed is adjusted to 180r/min, carries out high speed dispersion mixing, is mixed
90min obtains the compound flame retardant type complex colloid B of graphite；
3) filtering material is added in complex colloid B, revolving speed 180r/min mixes 150min through high speed dispersion, dispersed
There is the compound flame retardant type complex colloid C of filtering material and graphite；
4) complex colloid C obtained is transferred in supreme temperature extrusion device, 150 DEG C of temperature, molding is cooled and solidified after extrusion, is obtained
The cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance.
Embodiment 4
A kind of cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, the cable filler strip is with components by weight percent
Meter, including following components: 20 parts of TPAE thermoplastic elastomer (TPE), 100 parts of C9 hydrogenated petroleum resin, 40 parts of graphite powder, barium titanate filter
30 parts of wave material, 50 parts of tricresyl phosphate fire retardant, 10 parts of auxiliary agent.
The preparation method of the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, including following step
It is rapid:
1) thermoplastic elastomer (TPE), Petropols, fire retardant, auxiliary agent are added in kneader, control 100 DEG C of temperature in the kettle, revolving speed
80r/min, low speed kneading processing, obtains flame retardant type complex colloid A；
2) graphite powder is uniformly added into kneader again, revolving speed is adjusted to 200r/min, carries out high speed dispersion mixing, is mixed
80min obtains the compound flame retardant type complex colloid B of graphite；
3) filtering material is added in complex colloid B, revolving speed 200r/min mixes 360min through high speed dispersion, dispersed
There is the compound flame retardant type complex colloid C of filtering material and graphite；
4) complex colloid C obtained is transferred in supreme temperature extrusion device, 120 DEG C of temperature, molding is cooled and solidified after extrusion, is obtained
The cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance.
Embodiment 5
By polyolefins thermoplastic elastomer APAO, C5 Petropols, carbon nanotube, graphite and organic nitrogenated flame retardant and other
Functional form auxiliary agent sequentially adds mixing in kneader and is uniformly dispersed according to the method and step in embodiment 1, the colloid transfer of acquisition
To high-temperature extruder, target product is obtained after cooling and solidifying molding.
Confirm that each component ratio is as follows:
Length 50mm, width 10mm are taken, with a thickness of the batten of 5mm, tests it its transmission loss (testing standard: GB/ on year-on-year basis
T32596-2016), it is shown that test result is as follows:
Carbon nanotube ratio is higher it can be seen from above-mentioned test result, and transmission loss is higher, and electromagnetism interference performance is better.
Again to its test heat-conductive characteristic (testing standard: GB/T29313-2012) on year-on-year basis, test result is as follows:
The ratio of graphite powder is higher it can be seen from above-mentioned test result, and heating conduction is better.
Therefore, it can be adjusted according to performance requirement comparative example, obtain the cable filler strip that different performance requires, flexibly
Property and adaptability are good.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (9)
1. a kind of cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance, it is characterised in that: the cable is filled out
Fill item by weight part, including following components: 20-100 parts of thermoplastic elastomer (TPE), 20-100 parts of Petropols, graphite powder 20-
80 parts, 10-50 parts of filtering material, 10-50 parts of fire retardant, 10-50 parts of auxiliary agent.
2. the cable filler strip according to claim 1 with anti-electromagnetic interference function and excellent heat conductivity performance, feature
Be: the thermoplastic elastomer (TPE) include phenylethylene, olefines, diene class, polyvinyl chloride-base, urethane class, esters, amides,
One of organic fluoride class, organic silicon and vinyl or the mixing of a variety of elastomers.
3. the cable filler strip according to claim 1 with anti-electromagnetic interference function and excellent heat conductivity performance, feature
Be: the Petropols include group aliphatic resin, alicyclic resin, aromatic resin, aliphatic/aromatic copolymer resins and
One of hydrogenated petroleum resin, C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin or a variety of mixing.
4. the cable filler strip according to claim 1 with anti-electromagnetic interference function and excellent heat conductivity performance, feature
Be: the filtering material includes ferrite, metal fine powder, barium titanate, silicon carbide, graphite, conductive fiber.
5. the cable filler strip according to claim 1 with anti-electromagnetic interference function and excellent heat conductivity performance, feature
Be: the fire retardant includes that halogenated flame retardant, phosphorus flame retardant, nitrogenated flame retardant, phosphorus-halogenated flame retardant, phosphorus-nitrogen system are fire-retardant
Agent.
6. the cable filler strip according to claim 1 with anti-electromagnetic interference function and excellent heat conductivity performance, feature
Be: the auxiliary agent includes naphthenic oil, antioxidant, defoaming agent, plasticizer, foaming agent.
7. the cable filler strip according to claim 4 with anti-electromagnetic interference function and excellent heat conductivity performance, feature
Be: the metal fine powder includes Fe-Si metal fine powder, FeNi perm metal fine powder, Sendust metal fine powder, FeSiCr iron
Silicochromium metal fine powder, FeCuB metal fine powder, FeCuSiBCo metal fine powder, FeCuBNi metal fine powder, FeCuSiBCV metal are micro-
Powder.
8. the cable filler strip according to claim 1 with anti-electromagnetic interference function and excellent heat conductivity performance, feature
Be: the filtering material is carbon nanotube.
9. the cable filler strip according to claim 1-8 with anti-electromagnetic interference function and excellent heat conductivity performance
Preparation method, it is characterised in that: the following steps are included:
1) thermoplastic elastomer (TPE), Petropols, fire retardant, auxiliary agent are added in kneader, control 100-200 DEG C of temperature in the kettle,
Revolving speed 40-80r/min, low speed kneading processing, obtains flame retardant type complex colloid A；
2) graphite powder is uniformly added into kneader again, revolving speed is adjusted to 100-200r/min, carries out high speed dispersion mixing, mixing
60-180min is stirred, the compound flame retardant type complex colloid B of graphite is obtained；
3) filtering material being added in complex colloid B, revolving speed 100-200r/min mixes 120-360min through high speed dispersion,
Obtain the compound flame retardant type complex colloid C for being dispersed with filtering material and graphite；
4) complex colloid C obtained is transferred in supreme temperature extrusion device, 120-160 DEG C of temperature, after extrusion cooling and solidifying at
Type obtains the cable filler strip with anti-electromagnetic interference function and excellent heat conductivity performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219429.4A CN109504019B (en) | 2018-10-19 | 2018-10-19 | Cable filling strip with anti-electromagnetic interference function and excellent thermal conductivity and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219429.4A CN109504019B (en) | 2018-10-19 | 2018-10-19 | Cable filling strip with anti-electromagnetic interference function and excellent thermal conductivity and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109504019A true CN109504019A (en) | 2019-03-22 |
| CN109504019B CN109504019B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811219429.4A Active CN109504019B (en) | 2018-10-19 | 2018-10-19 | Cable filling strip with anti-electromagnetic interference function and excellent thermal conductivity and preparation method thereof |
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