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Fire resisting and foaming insulation plate and production method thereof

A technology of foam insulation board and foaming agent, which is applied in the field of flame-retardant foam insulation board and its production, can solve the problems of large difference in insulation effect, non-resistance, inconvenient installation and use, etc., and achieve good flame retardancy, good The effect of thermal insulation performance

Active Publication Date: 2015-03-25
常州市沃科科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic foaming materials in organic materials have the advantages of low thermal conductivity (the lower the thermal conductivity, the better the heat preservation effect), light weight, hydrophobicity, good flexibility, and easy installation, etc. However, due to the material itself and the added flame retardant Such reasons are not fire-resistant, softening and dripping under high temperature conditions or even combustion-supporting, and the generation of toxic smoke will cause secondary damage to the human body, and cannot meet the requirements of various industries in terms of flame retardancy and smoke toxicity.
Inorganic thermal insulation material products are characterized by excellent performance in terms of fire prevention, strong flame retardancy, non-toxicity, and high safety, and relatively high thermal conductivity, which leads to a large difference in thermal insulation effect compared with organic materials, which affects the installation of materials. and bring great inconvenience to use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1) To prepare ceramic silicone rubber, the method is to add silicone oil, white carbon black, porcelain powder, structure control agent, coupling agent, cross-linking auxiliary agent, flame retardant and other additives to the silicone rubber and knead evenly to make it Ceramic silicone rubber;

[0021] 2) Take 100 parts of ceramized silicone rubber and add 2 parts of foaming agent dinitrosopentamethylenetetramine for mixing to make ceramized silicone rubber foaming compound;

[0022] 3) Blending 100 parts of vitrified silicone rubber foamed rubber and expanded vermiculite, wherein the expanded vermiculite has a particle size of 10 cm, and is heated and molded to form a plate of a certain specification, such as a block plate;

[0023] 4) The block board is then foamed by hot air heating or microwave heating at a temperature of 50-280°C to make a flame-retardant foam insulation board.

Embodiment 2

[0025] 1) To prepare ceramic silicone rubber, the method is to add silicone oil, white carbon black, porcelain powder, structure control agent, coupling agent, cross-linking auxiliary agent, flame retardant and other additives to the silicone rubber and knead evenly to make it Ceramic silicone rubber;

[0026] 2) Take 100 parts of ceramized silicone rubber and add 2 parts of foaming agent dinitrosopentamethylenetetramine for mixing to make ceramized silicone rubber foaming compound;

[0027] 3) Blending 100 parts of vitrified silicone rubber foamed compound rubber with hollow microspheres, wherein the particle size of the hollow microspheres is 8 cm, and molded by heating to form a plate of a certain specification, such as a block plate;

[0028] 4) The block board is then foamed by hot air heating or microwave heating at a temperature of 50-280°C to make a flame-retardant foam insulation board.

Embodiment 3

[0030] 1) To prepare ceramic silicone rubber, the method is to add silicone oil, white carbon black, porcelain powder, structure control agent, coupling agent, cross-linking auxiliary agent, flame retardant and other additives to the silicone rubber and knead evenly to make it Ceramic silicone rubber;

[0031] 2) Take 100 parts of ceramized silicone rubber, add 10 parts of foaming agent azodicarbonamide, and 0.5 part of foaming aid zinc oxide for mixing to make ceramized silicone rubber foaming compound;

[0032] 3) Ceramic silicone rubber foamed compound rubber is blended with 500 parts of hollow microspheres and 200 parts of silicon carbide or silicon nitride, and then heated and molded to form a plate of a certain specification, such as a block plate;

[0033] 4) The block board is then foamed by hot air heating or microwave heating at a temperature of 50-280°C to make a flame-retardant foam insulation board.

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Abstract

The invention discloses a fire resisting and foaming insulation plate. The fire resisting and foaming insulation plate comprises the following components in parts by weight: 100 parts of ceramic silicone rubber, 100 to 10000 parts of one or two of expanded vermiculite or cenosphere, and 0.5 to 50 parts of foaming agent. According to the fire resisting and foaming insulation plate, the organic material, namely the ceramic silicone rubber is adopted, the foaming agent is added and mixed with the ceramic silicone rubber, the resulting mixture is mixed with the inorganic insulation material, namely the expanded vermiculite or the cenosphere, and the obtained mixture is pressed by die and then is foamed and formed; the composite insulation plate in combination of the organic material and the inorganic insulation material overcomes the shortcomings of the organic material and the inorganic insulation material, and gains the excellent insulation performance of the organic material, namely the ceramic silicone rubber and also gains the high fire resistance; the composite insulation plate can be burnt to form a hard ceramic shell under flame at 350 to 3000 DEG C or without flame because of the ceramic silicone rubber; and the hard ceramic shell can prevent the flame from burning and spreading.

Description

technical field [0001] The invention relates to a thermal insulation board and a production method thereof, in particular to a flame-retardant foamed thermal insulation board and a production method thereof. Background technique [0002] At present, there are two kinds of insulation materials commonly used for insulation boards on the market, one is organic materials, and the other is inorganic insulation materials. Organic foaming materials in organic materials have the advantages of low thermal conductivity (the lower the thermal conductivity, the better the heat preservation effect), light weight, hydrophobicity, good flexibility, and easy installation, etc. However, due to the material itself and the added flame retardant Such reasons are not fire-resistant, softening and dripping under high temperature conditions, or even combustion-supporting, and the production of toxic smoke will cause secondary damage to the human body, and cannot meet the requirements of various in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/04C08K13/04C08K3/34C08K7/22C08K7/26C08K3/36C08J9/10
Inventor 周和平赵源赖兆文刘卫东秦荣勤
Owner 常州市沃科科技有限公司