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Ceramic fire-resistant flame-retardant silicone rubber as well as preparation method and use method thereof

A fire-retardant and ceramic technology, applied in the field of silicone rubber, can solve the problems of wire and cable are not fire-resistant, non-flame-retardant, non-fire-resistant, easy to burn, etc., and achieve the effects of improving mechanical strength, increasing strength and reducing moisture.

Inactive Publication Date: 2020-12-04
东莞市朗晟材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Because of its good aging resistance and stability, silicone rubber has a wide range of applications, and with the continuous improvement of the level of industrialization, people's requirements for silicone rubber are also getting higher and higher. For industrial production, commonly used silicone rubber itself is not Flame retardant is not fire-resistant. In fire accidents, wires and cables are not fire-resistant and easy to burn in case of fire. This field lacks a fire-resistant silicone rubber. It is required not only to have the excellent characteristics of rubber during normal use, but also to have better properties. Flame retardant and fire-resistant properties, the products made by using it can play a certain protective role in the fire, can reduce the loss caused to people in the fire, and reduce the harm

Method used

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  • Ceramic fire-resistant flame-retardant silicone rubber as well as preparation method and use method thereof
  • Ceramic fire-resistant flame-retardant silicone rubber as well as preparation method and use method thereof
  • Ceramic fire-resistant flame-retardant silicone rubber as well as preparation method and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A ceramic fire-resistant and flame-retardant silicone rubber, comprising the following raw materials in parts by weight:

[0037] First component:

[0038]

[0039] Second component:

[0040]

[0041] Each part of the first methyl vinyl silicone rubber is a mixture of methyl vinyl silicone rubber A and methyl vinyl silicone rubber B in a weight ratio of 90:1, the methyl vinyl silicone rubber A The vinyl content is 0.06%, and the molecular weight is 650,000; the vinyl content of the methyl vinyl silicone rubber B is 2.8%, and the molecular weight is 550,000.

[0042] Each part of the second methyl vinyl silicone rubber is a mixture of methyl vinyl silicone rubber a and methyl vinyl silicone rubber b in a weight ratio of 1:1, and the ethylene content of the methyl vinyl silicone rubber a The vinyl content is 0.14%, and the molecular weight is 650,000; the vinyl content of the methyl vinyl silicone rubber b is 0.2%, and the molecular weight is 650,000.

[0043] Ea...

Embodiment 2

[0058] A ceramic fire-resistant and flame-retardant silicone rubber, comprising the following raw materials in parts by weight:

[0059] First component:

[0060]

[0061] Second component:

[0062]

[0063]

[0064] Each part of the first methyl vinyl silicone rubber is a mixture of methyl vinyl silicone rubber A and methyl vinyl silicone rubber B in a weight ratio of 93:1.5, the methyl vinyl silicone rubber A The vinyl content is 0.07%, and the molecular weight is 680,000; the vinyl content of the methyl vinyl silicone rubber B is 2.9%, and the molecular weight is 580,000.

[0065] Each part of the second methyl vinyl silicone rubber is a mixture of methyl vinyl silicone rubber a and methyl vinyl silicone rubber b in a weight ratio of 1:1, and the ethylene content of the methyl vinyl silicone rubber a The base content is 0.15%, and the molecular weight is 680,000; the vinyl content of the methyl vinyl silicone rubber b is 0.21%, and the molecular weight is 680,000...

Embodiment 3

[0081] A ceramic fire-resistant and flame-retardant silicone rubber, comprising the following raw materials in parts by weight:

[0082] First component:

[0083]

[0084]

[0085] Second component:

[0086]

[0087]Each part of the first methyl vinyl silicone rubber is a mixture of methyl vinyl silicone rubber A and methyl vinyl silicone rubber B in a weight ratio of 95:2, the methyl vinyl silicone rubber A The vinyl content is 0.08%, and the molecular weight is 700,000; the vinyl content of the methyl vinyl silicone rubber B is 3.0%, and the molecular weight is 600,000.

[0088] Each part of the second methyl vinyl silicone rubber is a mixture of methyl vinyl silicone rubber a and methyl vinyl silicone rubber b in a weight ratio of 1:1, and the ethylene content of the methyl vinyl silicone rubber a The base content is 0.16%, and the molecular weight is 700,000; the vinyl content of the methyl vinyl silicone rubber b is 0.22%, and the molecular weight is 700,000. ...

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Abstract

The invention relates to the technical field of silicone rubber, in particular to ceramic fire-resistant flame-retardant silicone rubber as well as a preparation method and a use method thereof. The silicone rubber is prepared from the following raw materials in parts by weight: 8-12 parts of hydroxyl-terminated polydimethylsiloxane, 95-105 parts of first methyl vinyl silicone rubber, 30-45 partsof fumed silica, 1-3 parts of methoxy silicone oil, 0.1-0.3 part of a silane coupling agent, 0-0.1 part of benzotriazole, 0.01-0.3 part of a release agent, 50-70 parts of a filler, 60-140 parts of second methyl vinyl silicone rubber, 1-3 parts of vinyl trimethoxy silicon, 0.1-2 parts of hexamethyldisilazane, 0.1-0.3 part of zinc stearate, 0.5-1.5 parts of a hydrolysis agent, 200-240 parts of a flame retardant, 10-30 parts of zinc oxide and 10-30 parts of calcium carbonate. The ceramic fire-resistant flame-retardant silicone rubber has good fire-resistant and flame-retardant performance and excellent comprehensive performance, and the preparation method of the ceramic fire-resistant flame-retardant silicone rubber is simple.

Description

technical field [0001] The invention relates to the technical field of silicone rubber, in particular to a vitrified fire-resistant and flame-retardant silicone rubber, a preparation method and a use method thereof. Background technique [0002] Because of its good aging resistance and stability, silicone rubber has a wide range of applications, and with the continuous improvement of the level of industrialization, people's requirements for silicone rubber are also getting higher and higher. For industrial production, commonly used silicone rubber itself is not Flame retardant is not fire-resistant. In fire accidents, wires and cables are not fire-resistant and easy to burn in case of fire. This field lacks a fire-resistant silicone rubber. It is required not only to have the excellent characteristics of rubber during normal use, but also to have better properties. Flame retardant and fire-resistant properties, the products made by using it can play a certain protective role...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/07C08L83/04C08K13/06C08K9/06C08K7/26C08K5/098C08K3/22C08K5/3492C08K3/26C08J3/24
CPCC08J3/24C08J2383/07C08J2483/04C08J2483/07C08K2003/2224C08K2003/2227C08K2003/265C08K2201/014C08L83/04C08L2201/02C08L2205/025C08L2205/035C08K13/06C08K9/06C08K7/26C08K5/098C08K3/22C08K5/34922C08K3/26
Inventor 潘鹤斌谭政新郭韵恬
Owner 东莞市朗晟材料科技有限公司
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