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High-temperature-resistant thermally-conductive insulating material and preparation method for same

A thermally conductive insulating material and a technology for insulating materials, applied in the field of insulating materials, can solve the problems of burning insulating materials, poor thermal conductivity, and unfavorable rapid drying of clothes, and achieve good high temperature resistance, good thermal conductivity, and fill market gaps.

Inactive Publication Date: 2015-11-25
JIN BAOLI TECH SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some special occasions, such as when it is necessary to use solar energy to dry clothes through conductive clothes hangers, higher requirements are put forward for the comprehensive performance of the insulating material on the surface of the clothes hanger. Poor thermal conductivity is not conducive to the rapid drying of clothes. If If the temperature is too high, it will easily cause the burning of insulating materials.

Method used

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  • High-temperature-resistant thermally-conductive insulating material and preparation method for same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (1) Fully mix 45 parts of epoxy resin, 35 parts of ethylene-vinyl acetate copolymer and 15 parts of white carbon black in a high-speed mixer at a speed of 550r / min and set aside;

[0029] (2) Add 10 parts of 3-sulfonylamino-2-thiophene, 5 parts of mica powder and 2 parts of nano-aluminum hydroxide to step (1), raise the temperature to 80°C for 5 minutes, and then stir at a speed of 250r / min 10min, to obtain mixture A;

[0030] (3) First add 12 parts of tert-butoxycarbonyl-L-glutamic acid-5-tert-butyl ester into another reactor, raise the temperature to 120°C, then add 1.5 parts of zinc borate, microcrystalline 3 parts of wax and 7 parts of carboxymethyl cellulose silicon salt, after the completion of the heat preservation reaction for 5 minutes, the mixture B was obtained;

[0031] (4) Add the mixture B mentioned in the step (3) to the mixture A mentioned in the step (2), and input it into the twin-screw extruder after mixing thoroughly, and then knead and extrude it t...

Embodiment 2

[0033] (1) Fully mix 60 parts of epoxy resin, 55 parts of ethylene-vinyl acetate copolymer and 25 parts of white carbon black in a high-speed mixer at a speed of 650r / min and set aside;

[0034] (2) Add 18 parts of 3-sulfonylamino-2-thiophene, 12 parts of mica powder and 8 parts of nano-aluminum hydroxide to step (1), raise the temperature to 120°C for 10 minutes, and then stir at a speed of 350r / min 20min, to obtain mixture A;

[0035] (3) In another reactor, add 20 parts of tert-butoxycarbonyl-L-glutamic acid-5-tert-butyl ester first, raise the temperature to 150°C, then add 5 parts of zinc borate, microcrystalline 7 parts of wax and 15 parts of carboxymethyl cellulose silicon salt, after completion of the heat preservation reaction for 15 minutes, mixture B was obtained;

[0036] (4) Add the mixture B mentioned in the step (3) to the mixture A mentioned in the step (2), and input it into the twin-screw extruder after mixing thoroughly, and then knead and extrude it through...

Embodiment 3

[0038] (1) Fully mix 50 parts of epoxy resin, 40 parts of ethylene-vinyl acetate copolymer and 18 parts of white carbon black in a high-speed mixer at a speed of 600r / min for use;

[0039] (2) Add 12 parts of 3-sulfonylamino-2-thiophene, 8 parts of mica powder and 3 parts of nano-aluminum hydroxide to step (1), raise the temperature to 100°C for 7 minutes, and then stir at a speed of 250r / min 13min, mixture A was obtained;

[0040] (3) In another reactor, add 14 parts of tert-butoxycarbonyl-L-glutamic acid-5-tert-butyl ester, raise the temperature to 135°C, then add 2.5 parts of zinc borate, microcrystalline 4 parts of wax and 9 parts of carboxymethyl cellulose silicon salt, after the completion of heat preservation reaction for 10 minutes, mixture B was obtained;

[0041] (4) Add the mixture B mentioned in the step (3) to the mixture A mentioned in the step (2), and input it into the twin-screw extruder after mixing thoroughly, and then knead and extrude it through the twin-...

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Abstract

The invention discloses a high-temperature-resistant thermally-conductive insulating material, which comprises 45 to 60 parts by weight of epoxy resin, 35 to 55 parts by weight of an ethylene-vinyl acetate copolymer, 5 to 12 parts by weight of mica powder, 15 to 25 parts by weight of white carbon black, 1.5 to 5 parts by weight of zinc borate, 3 to 7 parts by weight of microcrystalline wax, 2 to 8 parts by weight of nanometer aluminum hydroxide, 10 to 18 parts by weight of 3-sulfamoyl-2-thiophene, 7 to 15 parts by weight of carboxymethyl cellulose silicate and 12 to 20 parts by weight of tert-butoxycarbonyl-L-glutamic acid-5-tert-butyl ester. The high-temperature-resistant thermally-conductive insulating material is prepared by the following steps of completely mixing the epoxy resin, the ethylene-vinyl acetate copolymer and the white carbon black; adding the 3-sulfamoyl-2-thiophene, the mica powder and the nanometer aluminum hydroxide, and performing stirring reaction to obtain mixture A; adding the zinc borate, the microcrystalline wax and the carboxymethyl cellulose silicate into the tert-butoxycarbonyl-L-glutamic acid-5-tert-butyl ester, and performing heat-preservation reaction to obtain mixture B; adding mixture B into mixture A, feeding the mixture into a twin-screw extruder after complete mixing, and performing extrusion molding and cooling. The insulating material is higher in high temperature resistance and high in thermal conductivity.

Description

technical field [0001] The invention belongs to the field of insulating materials, and in particular relates to a high-temperature-resistant heat-conducting insulating material and a preparation method thereof. Background technique [0002] Commonly used insulating materials can be divided into inorganic insulating materials, organic insulating materials and hybrid insulating materials according to their different chemical properties. Commonly used inorganic insulating materials are: asbestos, marble, porcelain, glass, sulfur, etc., which are mainly used for winding insulation of motors and electrical appliances, bottom plates and insulators of switches, etc. Organic insulating materials include: shellac, resin, rubber, cotton yarn, paper, hemp, rayon, etc., most of which are used to make insulating varnish, coating insulation for winding wires, etc. Hybrid insulating materials are various shaped insulating materials processed from the above two materials, which are used as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L23/08C08L91/06C08L1/28C08K13/02C08K3/34C08K3/36C08K3/38C08K3/22C08K5/47C08K5/205
Inventor 李明华
Owner JIN BAOLI TECH SUZHOU
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