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Processing technology of filling type heat-conducting silicone rubber

A heat-conducting silicone rubber, processing technology, applied in the direction of heat exchange materials, chemical instruments and methods, etc., can solve the problems of unbalanced thermal conductivity and low thermal expansion coefficient, inability to obtain silicone rubber products, and increased production costs of silicone rubber, etc. Achieve the effect of maintaining performance advantages, low product switching costs, and easy formulation control

Inactive Publication Date: 2020-11-20
滁州君越高分子新材料有限公司
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Problems solved by technology

[0003] In the preparation of the existing heat-conducting silicone rubber, due to the backward technology, it will cause a lot of unbalanced thermal conductivity and low thermal expansion coefficient, and at the same time, it will increase the production cost of silicone rubber, and it is impossible to obtain better quality silicone rubber products

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  • Processing technology of filling type heat-conducting silicone rubber

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0023] refer to figure 1 , a processing technology of filled heat-conducting silicone rubber, comprising the following steps:

[0024] S1: Material preparation: The raw materials for filling thermally conductive silicone rubber include silicone rubber matrix, thermally conductive filler and vulcanizing agent;

[0025] S2: Composite silicone rubber by solution method: first dissolve the silicone rubber matrix into an appropriate solvent, and then mix it evenly with the thermally conductive filler, and dissolve the silicone rubber matrix to form a liquid thermally conductive silica gel;

[0026] S3: Primary vulcanization: After the liquid heat-conducting silica gel is...

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Abstract

The invention discloses a processing technology of filling type heat-conducting silicone rubber. The processing technology comprises the following steps: S1, preparing materials, wherein the preparedraw materials of the filling type heat-conducting silicone rubber comprise a silicone rubber matrix, a heat-conducting filler and a vulcanizing agent; and S2, compounding the silicone rubber by a solution method: dissolving the silicone rubber matrix into a proper solvent, uniformly mixing with the heat-conducting filler, and dissolving the silicone rubber matrix to form liquid heat-conducting silica gel. The processing technology disclosed by the invention greatly maintains the performance advantages of the silicone rubber, the heat-conducting property is excellent by virtue of the filler andthe process, and the characteristics that the blending production process and formula of the filling type heat-conducting silicone rubber are easy to regulate and control, the product switching costis low, the processing technology is suitable for industrial production and the like are fully utilized.

Description

technical field [0001] The invention relates to the technical field of heat-conducting silicone rubber production, in particular to a processing technology of filled heat-conducting silicone rubber. Background technique [0002] Thermally conductive silicone rubber is divided into two types: intrinsic type and filled type. Although the thermal conductivity of ordinary silicone rubber is higher than that of traditional synthetic rubber, its thermal conductivity is still poor, only about 0.2 W / (m-K)6, which is different from changing the molecular and chain link structure during the synthesis or processing of silicone rubber to obtain better thermal conductivity. Compared with the preparation technology of intrinsic thermally conductive rubber with high performance, the preparation of high thermally conductive silicone rubber by filling method is technically easier to implement. [0003] In the preparation of the existing heat-conducting silicone rubber, due to backward techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C69/02C09K5/14
CPCB29C69/02C09K5/14
Inventor 任兆军
Owner 滁州君越高分子新材料有限公司
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