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Silicone rubber for wires and cables

A wire and cable, silicone rubber technology, used in insulated cables, rubber insulators, cables, etc., can solve the problem that silicone rubber is not suitable for use, oil resistance, solvent resistance, poor tensile strength and tear strength and other mechanical properties. problems, to achieve the effect of improving mechanical properties and excellent flame retardant

Inactive Publication Date: 2016-05-11
SUZHOU CHENGSHENG INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mechanical properties of silicone rubber such as tensile strength and tear resistance are poor, and its physical and mechanical properties are not as good as most synthetic rubbers at room temperature. Poor, so silicone rubber is not suitable for occasions under normal conditions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of silicone rubber for electric wire and cable according to the present invention is characterized in that: calculated in parts by weight, it comprises the following components,

[0027] (1) 35 parts of methyl vinyl silica gel;

[0028] (2) 15 parts of fumed white carbon black;

[0029] (3) 24 parts of wollastonite;

[0030] (4) 7 parts of acrylic acid;

[0031] (5) 6 parts of sodium stearate;

[0032] (6) 3 parts of aluminum hydroxide;

[0033] (7) 2 parts of initiator;

[0034] (8) 6 parts of anti-aging agent;

[0035] (9) 1 part of flame retardant;

[0036] (10) 6 parts of hydroxy silicone oil;

[0037] Its preparation method is, it comprises the following steps,

[0038] (1) Pre-mix methyl vinyl silica gel, fumed silica, wollastonite and acrylic acid by heating at 35°C;

[0039] (2) Then sodium stearate, aluminum hydroxide and hydroxyl silicone oil are heated and mixed with the mixture in step (1), and the heating temperature is 45°C;

[0040] (3) F...

Embodiment 2

[0046] A kind of silicone rubber for electric wire and cable according to the present invention is characterized in that: calculated in parts by weight, it comprises the following components,

[0047] (1) 45 parts of methyl vinyl silica gel;

[0048] (2) 25 parts of fumed white carbon black;

[0049] (3) 28 parts of wollastonite;

[0050] (4) 14 parts of acrylic acid;

[0051] (5) 8 parts of sodium stearate;

[0052] (6) 4 parts of aluminum hydroxide;

[0053] (7) 3 parts of initiator;

[0054] (8) 7 parts of anti-aging agent;

[0055] (9) 2 parts of flame retardant;

[0056] (10) 7 parts of hydroxy silicone oil;

[0057] Its preparation method is, it comprises the following steps,

[0058] (1) Pre-mix methyl vinyl silica gel, fumed silica, wollastonite and acrylic acid by heating at 35°C;

[0059] (2) Then sodium stearate, aluminum hydroxide and hydroxyl silicone oil are heated and mixed with the mixture in step (1), and the heating temperature is 45°C;

[0060] (3)...

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PUM

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Abstract

Silicone rubber for wires and cables is prepared from methyl vinyl silica gel, fumed silica, wollastonite, crylic acid, sodium stearate, aluminum hydroxide, an initiator, an anti-ageing agent, a flame retardant and hydroxyl silicone oil. Methyl vinyl silica gel, fumed silica, wollastonite, crylic acid, sodium stearate, aluminum hydroxide, the initiator, the anti-ageing agent, the flame retardant and hydroxyl silicone oil are adopted by the accurate weight part to manufacture the silicon rubber through rigorous process steps, the mechanical property of the silicon rubber is greatly improved, and the silicon rubber has excellent flame retardant and ceramic forming effects.

Description

technical field [0001] The invention relates to a silicone rubber, in particular to a silicone rubber for electric wires and cables. Background technique [0002] Although silicone rubber has excellent heat resistance, cold resistance, dielectric properties, ozone resistance and atmospheric aging resistance, the outstanding performance of silicone rubber is that it can be used in a wide temperature range, which can be used at -60°C (or lower temperature) to + Long-term use at 250°C (or higher). However, the mechanical properties of silicone rubber such as tensile strength and tear resistance are poor, and its physical and mechanical properties are not as good as most synthetic rubbers at room temperature. Poor, so silicone rubber should not be used in ordinary conditions. Contents of the invention [0003] Purpose of the invention: The purpose of the present invention is to provide a silicone rubber for wire and cable with excellent flame retardancy and porcelain-forming...

Claims

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Application Information

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IPC IPC(8): C08L51/08C08K13/02C08K3/36C08K3/22C08K5/098C08K3/32C08F283/12C08F220/06H01B3/28H01B7/295
CPCC08K13/02C08F283/122C08F283/124C08K3/22C08K3/32C08K3/36C08K5/098C08K2003/2227C08K2003/323C08L2201/02C08L2203/202C08L2205/02H01B3/28H01B7/295C08L51/085C08F220/06
Inventor 夏建
Owner SUZHOU CHENGSHENG INFORMATION TECH
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