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Roll-type composite sheet and method of manufacturing the same

A composite plate, roller technology, applied in the direction of manufacturing tools, chemical instruments and methods, auxiliary molding equipment, etc., can solve problems such as poor productivity and reduced electrical conductivity, and achieve improved heat release, low failure rate, and simplified manufacturing. effect of the process

Inactive Publication Date: 2009-04-08
DU SEONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of a product formed by extruding a mixture of a magnetic material and silicone, there is a problem in that the electrical conductivity decreases due to an increase in vertical resistance and surface resistance (surface resistance)
Also, when plates are produced one by one from silicone rubber by a heat press machine, there is a problem in that productivity becomes poor

Method used

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  • Roll-type composite sheet and method of manufacturing the same
  • Roll-type composite sheet and method of manufacturing the same

Examples

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Effect test

Embodiment 1

[0033] A method of manufacturing a roll-type composite sheet includes stirring silicone gel or the like using a planetary mixer. When the first powder is passed through the screen and added to the silicone gel, the first powder and the silicone gel are stirred for 5 to 20 minutes to form a first mixture including at least the first powder and the silicone gel. The first powder is one selected from the group consisting of Fe—Si, Fe—Cr, Fe—Ni, Fe—Al, Fe—Al—Si, Fe—Cr—Si, and combinations thereof.

[0034] While the second powder is passed through the wire mesh and added to the first mixture, the first mixture and the second powder are stirred for 5 to 20 minutes to form a second mixture including at least the first mixture and the second powder. The second powder is one selected from the group consisting of alumina, silica, magnesia, silicon nitride, graphite, carbon, and combinations thereof.

[0035] At least the solvent is added to the second mixture to form a reaction produc...

Embodiment 2

[0042] The method of manufacturing the roll composite sheet includes stirring the silicone gel using a mixer such as a planetary mixer. The first powder and the silicone gel are agitated for 5 to 20 minutes to form a first mixture comprising at least the first powder and the silicone gel. The first powder is one selected from the group consisting of Fe—Si, Fe—Cr, Fe—Ni, Fe—Al, Fe—Al—Si, Fe—Cr—Si, and combinations thereof.

[0043] The first mixture and the second powder are agitated for 5 to 20 minutes to form a second mixture comprising at least the first mixture and the second powder. The second powder is one selected from the group consisting of alumina, silica, magnesia, silicon nitride, graphite, carbon, and combinations thereof.

[0044] At least the solvent is added to the second mixture to form a reaction product in the form of a slurry comprising at least the second mixture and the solvent. The solvent is one selected from the group consisting of toluene, methyl sil...

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Abstract

The invention provides a roller-type composite plate and a method for manufacturing the same. The method includes: using a mixer to stir silicon gel; stirring first powder and the silicon gel for 5 to 20 min to form a first mixture at least including the first powder and the silicon gel; stirring the first mixture and second powder for 5 to 20 min to form a second mixture; at least adding solvent into the second mixture to form a slurry type reaction product; removing bubble from the reaction product; coating the reaction product on a isolation medium at temperature of 80 to 140 DEG C; and curing and drying the reaction product to form the composite plate. Hardness of the roller-type composite plate is in the range from 50 to 70Shore A and thickness of the roller-type composite plate is in the range from 1 to 2mm.

Description

technical field [0001] The present invention relates to a roll-type composite sheet having improved heat release, electromagnetic wave absorption, and impact absorption properties and a method of manufacturing the roll-type composite sheet. More specifically, the present invention relates to a kind of by preparing silica gel in slurry form, electromagnetic wave absorbing powder (Fe-Si, Fe-Cr, Fe-Ni, Fe-Al, Fe-Al-Si, or Fe- Cr-Si), and a mixture of exothermic (thermally conductive) powders (alumina, silica, magnesia, silicon nitride, graphite, or carbon), the mixture is coated by intermittent coating (comma coating machine, commacoating) Method for economically manufacturing roll composite panels with improved heat release, electromagnetic wave absorption, and shock absorption properties by spreading on release paper (release paper, release paper), and drying and curing the mixture, and manufactured by the method Roll-type composite panels having improved heat release, electro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B17/00
CPCC22C32/0094C22C32/00B22F3/22B22F2998/00Y10T428/1443B32B15/08H05K9/00
Inventor 安桢玟朴宗柱
Owner DU SEONG IND
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