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Preparation method of flame-retardant ceramic silicone rubber for safety cables

A ceramic silicon rubber and safety cable technology, applied in the direction of plastic/resin/wax insulators, organic insulators, etc., can solve the problems of poor fire performance, loss of internal cable protection effect, etc., and achieve high insulation resistance, good physical and mechanical properties, The effect of good ductility

Inactive Publication Date: 2018-12-18
镇江创达新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when silicone rubber encounters open flame ablation, the surface will be burnt to cause pores and cracks on the surface, thus losing the protective effect on the internal cables, and the fire performance is poor.

Method used

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  • Preparation method of flame-retardant ceramic silicone rubber for safety cables
  • Preparation method of flame-retardant ceramic silicone rubber for safety cables

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] This embodiment provides a flame-retardant ceramic silicone rubber for safety cables, which is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl polysiloxane with a vinyl content of 0.05% by mole percent, in the gas phase 35 parts of white carbon black, 5 parts of hydroxy silicone oil, 1 part of dimethyldiethoxysilane, 3 parts of polyvinyl hydroxy silicone oil, 1 part of thermal conductive filler, 60 parts of porcelain powder, 2 parts of titanium dioxide, special mold release agent 0.5 parts, 1 part of vinyl triethoxysilane, 2 parts of alumina, 0.1 parts of platinum.

[0031] Among them, the vitrified powder is composed of muscovite, a variety of compound glass powders with low softening points (350°C-600°C), calcium oxide, quartz powder, wollastonite treated with methylalkoxysilane coupling agent, It is made of calcined kaolin and montmorillonite treated with aminosilane coupling agent. The thermally conductive filler is zinc oxid...

Embodiment 2

[0040] This embodiment provides a flame-retardant ceramic silicone rubber for safety cables, which is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl polysiloxane with a vinyl content of 0.05% by mole percent, in the gas phase 45 parts of white carbon black, 5 parts of hydroxy silicone oil, 1 part of dimethyldiethoxysilane, 3 parts of polyvinyl hydroxy silicone oil, 1 part of thermal conductive filler, 50 parts of porcelain powder, 2 parts of titanium dioxide, special mold release agent 0.5 parts, 1 part of vinyl triethoxysilane, 2 parts of alumina, 0.1 parts of platinum.

[0041] Among them, the vitrified powder is composed of muscovite, a variety of low softening point (350°C-600°C) compound glass powder, calcium oxide, quartz powder, wollastonite treated with methylalkoxysilane coupling agent, amino It is made of calcined kaolin and montmorillonite treated with silane coupling agent. The thermally conductive filler is zinc oxide or m...

Embodiment 3

[0050] This embodiment provides a flame-retardant ceramic silicone rubber for safety cables, which is prepared from the following raw materials in parts by weight: 100 parts of methyl vinyl polysiloxane with a vinyl content of 0.12% by mole percent, in the gas phase 40 parts of white carbon black, 5 parts of hydroxy silicone oil, 1 part of dimethyldiethoxysilane, 3 parts of polyvinyl hydroxy silicone oil, 1 part of thermal conductive filler, 60 parts of porcelain powder, 2 parts of titanium dioxide, special mold release agent 0.5 parts, 1 part of vinyl triethoxysilane, 2 parts of alumina, 0.001-0.1 parts of platinum.

[0051] Among them, the vitrified powder is composed of muscovite, a variety of low softening point (350°C-600°C) compound glass powder, calcium oxide, quartz powder, wollastonite treated with methylalkoxysilane coupling agent, amino It is made of calcined kaolin and montmorillonite treated with silane coupling agent. The thermally conductive filler is zinc oxid...

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Abstract

The invention discloses a flame-retardant ceramic silicone rubber for safety cables. The flame-retardant ceramic silicone rubber is prepared from, by weight, 100 parts of methyl vinyl polysiloxane, 30-60 parts of fumed silica, 1-5 parts of hydroxy silicone oil, 0.1-1 part of dimethyldiethoxysilane, 1-5 parts of polyvinyl hydroxy silicone oil, 0.5-5 parts of a heat conduction filler, 30-80 parts ofceramifying powder, 1-5 parts of titanium dioxide, 0.5-5 parts of a special mold release agent, 1-10 parts of vinyltriethoxysilane, 1-5 parts of alumina and 0.001-0.1 part of platinum. The inventionalso discloses a preparation method of the flame-retardant ceramic silicone rubber for safety cables. The ceramic silicone rubber has good mechanical properties, and can be sintered to form a hard ceramic body when ablated by an open fire in order to isolate flame and prevent fire, so the normal operation of a line under a fire condition is ensured, short circuit and other secondary disasters arenot prone to occur, and the normal operation of electricity and communication is ensured.

Description

technical field [0001] The invention relates to the technical field of rubber manufacturing, in particular to a method for preparing flame-retardant ceramic silicone rubber used for safety cables. Background technique [0002] Existing security cables are generally made of silicone rubber. Silicone rubber refers to the rubber whose main chain is composed of silicon and oxygen atoms alternately, and there are usually two organic groups attached to the silicon atoms. Ordinary silicone rubber is mainly composed of silicone chains containing methyl groups and a small amount of vinyl groups. The introduction of phenyl can improve the high and low temperature resistance of silicone rubber, and the introduction of trifluoropropyl and cyano can improve the temperature and oil resistance of silicone rubber. Silicone rubber has good low temperature resistance, and generally can still work at -55°C. After introducing phenyl, it can reach -73°C. The heat resistance of silicone rubbe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/04C08K13/06C08K9/06C08K3/34C08K3/36C08K5/5419C08K3/22C08K3/40H01B3/46
CPCC08L83/04C08K2003/222C08K2003/2227C08K2003/2241C08K2003/2296C08L2201/02C08L2201/08C08L2203/202C08L2205/025C08L2205/03H01B3/46C08K13/06C08K9/06C08K3/34C08K3/36C08K5/5419C08K3/22C08K3/40
Inventor 赵梅
Owner 镇江创达新材料科技有限公司
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