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Nanometer high-temperature resistant ceramic silica gel

A high-temperature-resistant ceramic and nano-scale technology, applied in the direction of rubber insulators, organic insulators, conductors, etc., can solve problems such as difficult to ensure communication, safe and smooth power supply, difficult to popularize and use, and brittle mica tape, etc., to achieve anti-electromagnetic interference performance Excellent, wide application range, high heat resistance index effect

Active Publication Date: 2013-04-03
YANGZHOU YAGUANG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Magnesia mineral fire-resistant insulated cables require special production and processing equipment, and the equipment for producing magnesium oxide mineral fire-resistant insulated cables needs to be imported. In addition, the outer sheath of magnesium oxide mineral fire-resistant insulated cables is all copper, and the cost is high. In practical applications It is also restricted to a certain extent, it is difficult to popularize and use it on a large scale, and it is especially difficult to promote it in civil buildings.
The fire-resistant cable wrapped with mica tape needs to be wound in multiple layers in the production process. Due to the limitation of process conditions, it is easy to cause defects at the lap joints. It is difficult to ensure the safety and smoothness of communication and power in case of fire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The present invention uses silicone rubber as the base material, supplemented with nano-scale polymer composite filler, carbon black, structure control agent and vulcanizing agent, wherein the nano-scale polymer composite filler includes nano-aluminum nitride and nano-calcium carbonate; each component The ratio is: based on 100 parts by weight of silicone rubber, 5 parts by weight of nano-aluminum nitride with a particle size of 45nm, 10 parts by weight of nano-calcium carbonate with a particle size of 80nm, 10 parts by weight of carbon black, and 1 part by weight of a structure control agent Hydroxyl silicone oil, the double 25 of 0.6 parts by weight of vulcanizing agent.

[0014] In particular, a reinforcing agent nano-silica can also be added to the raw material to further improve its performance.

Embodiment 2

[0016] The present invention uses silicone rubber as the base material, supplemented with nano-scale polymer composite filler, carbon black, structure control agent and vulcanizing agent, wherein the nano-scale polymer composite filler includes nano-aluminum nitride and nano-calcium carbonate; each component The ratio is: based on 100 parts by weight of silicone rubber, 7 parts by weight of nano-aluminum nitride with a particle size of 55nm, 9 parts by weight of nano-calcium carbonate with a particle size of 75nm, 12 parts by weight of carbon black, and 1.2 parts by weight of a structure control agent Hydroxyl silicone oil, the double 25 of 0.8 parts by weight of vulcanizing agent.

[0017] In particular, a reinforcing agent nano-silica can also be added to the raw material to further improve its performance.

Embodiment 3

[0019] The present invention uses silicone rubber as the base material, supplemented with nano-scale polymer composite filler, carbon black, structure control agent and vulcanizing agent, wherein the nano-scale polymer composite filler includes nano-aluminum nitride and nano-calcium carbonate; each component The ratio is: based on 100 parts by weight of silicone rubber, 3 parts by weight of nano-aluminum nitride with a particle size of 35nm, 11 parts by weight of nano-calcium carbonate with a particle size of 85nm, 8 parts by weight of carbon black, and 0.8 parts by weight of a structure control agent Hydroxyl silicone oil, the double 25 of 0.3 parts by weight of vulcanizing agent.

[0020] In particular, a reinforcing agent nano-silica can also be added to the raw material to further improve its performance.

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Abstract

Nanometer high-temperature resistant ceramic silica gel. The invention relates to nanometer high-temperature resistant ceramic silica gel formed by adding nanometer materials into silicone rubber. Silicone rubber is used as a base material, and a polymer composite filler, carbon black, a structure control agent, and a vulcanizing agent are added additionally, wherein 100 parts by weight of silicone rubber comprises 12-18 parts by weight of nanometer polymer composite fillers with an average particle size of 10 nm-60 nm, 8-12 parts by weight of carbon black, 0.8-1.2 parts by weight of structure control agents, and 0.3-0.8 parts by weight of vulcanizing agents. The invention provides novel nanometer high-temperature resistant ceramic silica gel which has good physical and chemical performance, thermal stability, flame retardancy, barrier property, optical performance, electrical properties, high and low temperature resistance, good insulation performance, high breakdown voltage, high heat-resistance index, strong bending properties, good flexibility, strong anti-jamming performance, and is nontoxic and environment-friendly.

Description

technical field [0001] The invention relates to a nano-scale high-temperature resistant ceramic silica gel formed by adding nano-scale materials into silicone rubber. Background technique [0002] In recent years, especially after the 911 incident in the United States, and after the fires in several large public entertainment venues, chemical industry, coal mines, and commercial buildings in China caused tragic loss of people's lives and property, people have a deeper understanding of fire protection and fire safety. How to ensure the smooth flow of power and communication within a certain period of time in case of fire, maximize the precious rescue time, and reduce casualties and loss of life and property, this is the subject that the industry has been constantly exploring. For cables, at present, most of the fire-resistant cables at home and abroad are magnesium oxide mineral fire-resistant insulated cables and fire-resistant cables wound with mica tape. Magnesia mineral ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/04C08K13/02C08K3/04C08K3/28C08K3/26H01B3/28H01B7/29
Inventor 胡行兵施利毅杭建忠冯欣鲁永林张跃芳
Owner YANGZHOU YAGUANG CABLE
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