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Cable filling strip with anti-electromagnetic interference function and excellent heat conduction property and preparation method thereof

An anti-electromagnetic interference and cable filling technology, applied in the field of polymer materials, can solve the problems of poor thermal conductivity and heat dissipation performance of the filler strip, failure to provide anti-electromagnetic interference, complex production process, etc. The effect of large-scale production and simple production process

Active Publication Date: 2019-03-22
苏州铂韬新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1) For the crosstalk of signals between wires, it fails to provide effective anti-electromagnetic interference capabilities;
[0006] 2) The thermal conductivity and heat dissipation performance of the filling strip made of traditional filling materials is not good;
[0007] 3) The production process is more complex and cumbersome

Method used

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  • Cable filling strip with anti-electromagnetic interference function and excellent heat conduction property and preparation method thereof
  • Cable filling strip with anti-electromagnetic interference function and excellent heat conduction property and preparation method thereof
  • Cable filling strip with anti-electromagnetic interference function and excellent heat conduction property and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A cable filling strip with anti-electromagnetic interference function and excellent thermal conductivity, the cable filling strip includes the following components in terms of weight components: 20 parts of SBS thermoplastic elastomer, 20 parts of hydrogenated petroleum resin, and 20 parts of graphite powder , 10 parts of ferrite filter material, 10 parts of tributyl phosphate flame retardant, 10 parts of additives.

[0035] The preparation method of the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent thermal conductivity comprises the following steps:

[0036] 1) Add thermoplastic elastomers, hydrogenated petroleum resins, flame retardants, and additives into the kneader, control the temperature in the kettle to 100°C, rotate at a speed of 40r / min, and knead at a low speed to obtain a flame-retardant mixed colloid A;

[0037] 2) Add graphite powder evenly into the kneader, adjust the speed to 100r / min, carry out high-spe...

Embodiment 2

[0041] A cable filling strip with anti-electromagnetic interference function and excellent thermal conductivity, the cable filling strip includes the following components in terms of weight components: 100 parts of TPB thermoplastic elastomer, 100 parts of DCPD, 80 parts of graphite powder, carbon nano 50 parts of tube filter material, 50 parts of hydroxyaluminum flame retardant, and 50 parts of auxiliary agent.

[0042] The preparation method of the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent thermal conductivity comprises the following steps:

[0043] 1) Add thermoplastic elastomer, DCPD, flame retardant, and additives into the kneader, control the temperature in the kettle to 200°C, rotate at 40r / min, and knead at a low speed to obtain flame-retardant mixed colloid A;

[0044] 2) Add graphite powder evenly into the kneader, adjust the rotating speed to 200r / min, carry out high-speed dispersion mixing, and mix and stir for...

Embodiment 3

[0048] A cable filling strip with anti-electromagnetic interference function and excellent thermal conductivity, said cable filling strip includes the following components in terms of weight components: 60 parts of TPEE thermoplastic elastomer, 80 parts of C5 hydrogenated petroleum resin, 50 parts of graphite powder 15 parts of FeCuSiBCV metal powder filter material, 30 parts of melamine cyanuric acid flame retardant, and 25 parts of additives.

[0049] The preparation method of the above-mentioned cable filler strip with anti-electromagnetic interference function and excellent thermal conductivity comprises the following steps:

[0050] 1) Add thermoplastic elastomers, petroleum resins, flame retardants, and additives into the kneader, control the temperature in the kettle to 150°C, rotate at a speed of 60r / min, and knead at a low speed to obtain a flame-retardant mixed colloid A;

[0051] 2) Add graphite powder evenly into the kneader, adjust the rotating speed to 180r / min, ...

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Abstract

The invention relates to a cable filling strip with an anti-electromagnetic interference function and excellent heat conduction property. The cable filling strip is prepared from the following components by weight: thermoplastic elastomer, petroleum resin, graphite powder, wave filtering material, a flame-retardant agent and an additive. The cable filling strip with the anti-electromagnetic interference function and excellent heat conduction property has the advantages that an electromagnetic wave absorbing material is used for absorbing most of electromagnetic waves which are reflected to thesurface thereof, and the electromagnetic energy is converted into heat energy or other types of energy to be absorbed by the electric or magnetic loss of the material; the reflection, diffraction andtransmission rates are very low; while the flame-retardant property, heat conduction property and physical-mechanical property requirements of the traditional cable filling strip are met, the excellent anti-electromagnetic interference property is realized, and the problem of signal crosstalk between conducting wires due to existence of larger distributed capacitance and mutual reactance betweencore wires is solved.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and relates to a cable filling strip with anti-electromagnetic interference function and excellent thermal conductivity and a preparation method thereof. Background technique [0002] In electronic equipment and systems, various cables are an indispensable link for signal transmission, and at the same time, cables are the main factor causing various electromagnetic compatibility (EMC) problems. The parallel transmission distance of the wires in the cable is relatively long, so there is a large partial capacitance and mutual inductance between the core wires, which will cause signal crosstalk between the wires and cause unnecessary electromagnetic pollution to the surrounding environment . In the production process of the cable, in order to ensure the roundness of the cable and avoid the mutual friction between the core wires, it is usually necessary to add a cable filler strip between ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L53/02C08L57/02C08L77/00C08K3/04C08K3/22C08K5/521
CPCC08L53/02C08L57/02C08L2203/20C08K3/04C08K3/22C08K5/521C08L77/00
Inventor 袁兴平王建斌姜桂君李建波刘慧远
Owner 苏州铂韬新材料科技有限公司
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