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Fireproof silicone rubber and preparation method thereof

A silicone rubber and formula technology, applied in the field of polymer fireproof materials, can solve the problems of inconvenient maintenance and replacement, poor flame retardancy of silicone rubber, and inability to adapt to fireproof requirements, etc., and achieve good elasticity, strength, and flame retardancy Good, good electrical insulation effect

Active Publication Date: 2013-12-18
HAILONG EMERSON ZHENJIANG ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic fireproof blockage will volatilize toxic gas in case of fire; while fireproof plaster is non-toxic, but it forms a hard block after curing, has no stretching and compression elasticity, and cannot compensate for mechanical displacement caused by mechanical pipeline vibration and building settlement , and pipes and cables and other wall-penetrating objects are extremely inconvenient in maintenance and replacement; and the traditional silicone rubber has poor flame retardancy and cannot adapt to workplaces with high fire protection requirements such as power plants, nuclear power plants, and petrochemical oil and gas pipelines.

Method used

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  • Fireproof silicone rubber and preparation method thereof
  • Fireproof silicone rubber and preparation method thereof
  • Fireproof silicone rubber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] a) Take by weighing each raw material according to the following formula:

[0036] The composition formula of A component is as follows:

[0037]

[0038] The composition formula of B component is as follows:

[0039]

[0040]

[0041] b) Add the silicone resin and hydroxy silicone oil in component A into the reaction kettle, and mix for 10-60min at 20-60°C and vacuum degree -0.1-0.05MPa; then add catalyst and quartz sand to the above mixed solution, Stir and mix with a high-speed emulsifier for 30-60 minutes; then add flame retardant, filler and carbon black powder, stir and mix; vacuum degas for 30-60 minutes; press filter with a 100-mesh filter, and fill to obtain component A;

[0042] c) Add the silicone resin and hydrogen-containing silicone oil in component B into the reaction kettle, and stir at 20-60°C for 10-60 minutes; then add quartz sand and filler to the above mixed solution, and stir and mix with a high-speed emulsifier for 30- 60min; keep the t...

Embodiment 2

[0045] The composition formula of A component is as follows:

[0046]

[0047] The composition formula of B component is as follows:

[0048]

[0049] All the other contents are the same as those described in Example 1.

Embodiment 3

[0051] The composition formula of A component is as follows:

[0052]

[0053]

[0054] The composition formula of B component is as follows:

[0055]

[0056] All the other contents are the same as those described in Example 1.

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Abstract

The invention discloses fireproof silicone rubber and a preparation method thereof. The fireproof silicone rubber is formed by mixing A component and B component according to the volume ratio of 1: 1 and solidifying the mixture under the temperature ranging from 15 DEG C to 40 DEG C, wherein the A component is composed of organic silicon resin, hydroxyl silicone oil, quartz sand, catalyst, filler, fire retardant and carbon black powder in certain proportion, and the B component is composed of organic silicon resin, hydrosilicone oil, quartz sand and filler in certain proportion. The fireproof silicone rubber has the advantages of being good in inflaming retarding performance, good in mechanical performance, not capable of producing toxic gas in fire and being capable of being widely used in plugging structures with higher fireproof and mechanical requirement, such as mechanical pipelines and cables.

Description

technical field [0001] The invention relates to a fireproof silicone rubber and a preparation method thereof, belonging to the technical field of polymer fireproof materials. Background technique [0002] Most of the existing fireproofing blockages use organic fireproofing materials and fireproofing plaster. Organic fireproof blockage will volatilize toxic gas in case of fire; while fireproof plaster is non-toxic, but it forms a hard block after curing, has no stretching and compression elasticity, and cannot compensate for mechanical displacement caused by mechanical pipeline vibration and building settlement , and pipes and cables and other wall-penetrating objects are extremely inconvenient in maintenance and replacement; and traditional silicone rubber has poor flame retardancy and cannot be adapted to workplaces with high fire protection requirements such as power plants, nuclear power plants, and petrochemical oil and gas pipelines. Contents of the invention [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/04C08L83/06C08L83/05C08K3/36C08K3/26C08K3/34C08K3/38C08K3/22C08K3/32
Inventor 戴金华施吉慧刘祥涛
Owner HAILONG EMERSON ZHENJIANG ENERGY TECH
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