Composition for producing foaming silica gel plate and production method of foaming silica gel plate

A foamed silica gel sheet and production method technology, applied in the application, household appliances, other household appliances, etc., can solve the problem of inability to continuously produce foamed silica gel sheets, and achieve the advantages of low density, improved utilization rate, and improved foaming efficiency. Effect

Inactive Publication Date: 2011-10-19
罗华兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem to be solved by the present invention is that the prior art cannot continuously produce high

Method used

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  • Composition for producing foaming silica gel plate and production method of foaming silica gel plate
  • Composition for producing foaming silica gel plate and production method of foaming silica gel plate
  • Composition for producing foaming silica gel plate and production method of foaming silica gel plate

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0062] Example 1

[0063] Implementation steps:

[0064] (1) Add 3.5 parts by weight of foaming agent (1), 1.5 parts by weight of vulcanizing agent (A) to 100 parts by weight of silicone rubber, and then add 1 part by weight of coloring agent, and mix with a mixer to form a mixture glue;

[0065] (2) Put the mixed rubber into the open mill for plasticization;

[0066] (3) After the plasticization is uniform, put it into a multi-roll calender, and adjust the roll distance according to the required thickness to obtain an unvulcanized silicone sheet;

[0067] (4) The unvulcanized silicone sheet is covered with a protective film through a roller press, and then sent to a high-temperature multi-section tunnel furnace operating at a uniform speed. The simultaneous foaming and vulcanization are performed in a normal pressure and high temperature environment to form continuous foaming silicone board. Since the foaming and vulcanization are carried out under normal pressure, there is no need ...

Example Embodiment

[0079] Example 2

[0080] Add 3.5 parts by weight of foaming agent (1), 1 part by weight of vulcanizing agent (A) to 100 parts by weight of silicone rubber, and then add 1 part by weight of coloring agent, and mix by a mixer to form a rubber compound;

[0081] The other steps are the same as in Example 1.

Example Embodiment

[0082] Example 3

[0083] Add 3.5 parts by weight of foaming agent (1), 2 parts by weight of vulcanizing agent (A) to 100 parts by weight of silicone rubber, and then add 1 part by weight of coloring agent, and mix by a mixer to form a rubber compound;

[0084] The other steps are the same as in Example 1.

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Abstract

The invention discloses a composition for producing a foaming silica gel plate and a production method of the foaming silica gel plate. The composition for producing the foaming silica gel plate comprises the following ingredients by weight: 100 of silicon rubber, 3-4 of foaming agent, 1-2 of vulcanized agent and 1 of colorant, wherein the foaming agent comprises the following ingredients by weight, 100 of azodiisobutyronitrile, 50-80 of methyl vinyl silicone rubber, and 10-30 of vinyl silicon oil, and the vulcanized agent comprises 100 of dibenzoyl peroxide and 50-120 of methyl vinyl silicone rubber. The production method of the foaming silica gel plate comprises the following steps: mixing, calendaring, synchronization foaming under normal pressure and vulcanization, so as to prepare the continuous foaming silica gel plate. Compared with the prior art, the foaming silica gel plate has the advantages of high foaming multiplying power and low density; and the foaming silica gel plate can be continuously produced by adopting the production method of the foaming silica gel plate, and the production method has the advantages of high raw material utilization rate and low labor intensity.

Description

technical field [0001] The invention relates to a composition for producing a foamed silica gel plate and a production method of the foamed silica gel plate. Background technique [0002] Silica gel has the characteristics of organic polymer elastomers, and has the adaptability of inorganic substances to a wide range of high and low temperatures. Silicone products have become the preferred materials for military aerospace, medical, automotive, construction and other fields. The foamed silica gel sheet not only maintains the original excellent properties of silica gel, but also has the characteristics of heat insulation, sound insulation, shock absorption, and light weight. The application field of the foamed silica gel sheet has been greatly extended. The higher the foaming ratio of the silicone plate, the lower its density, the lighter the weight of the product with the same volume, and the better the heat insulation, sound insulation and shock absorption performance. [0...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08L83/07C08J9/10C08K5/14B29D7/01B29C44/02B29C44/60B29C35/02
Inventor 罗华兴
Owner 罗华兴
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