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Fire-resistant silicone rubber self-adhesive tape and preparation method thereof

A silicone rubber and self-adhesive tape technology, applied in conductors, insulators, electrical components, etc., can solve the problems of poor fire resistance and no adhesion, and achieve excellent electrical insulation performance, strong adhesion, and good compactness.

Active Publication Date: 2016-06-15
WUXI JIANGNAN CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a fire-resistant silicone rubber self-adhesive tape and its preparation method to solve the technical problems that the existing silicon rubber self-adhesive tape is powdery after burning, has no adhesion, and has poor fire-resistant and fire-proof effects.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The components and parts by weight of the refractory silicone rubber self-adhesive tape of the present invention are as follows:

[0045] 100 parts of methyl vinyl silicone rubber with a vinyl content of 0.15 mol%

[0046] 25 parts of superfine white carbon black by vapor phase method

[0047] 12 parts of superfine alumina

[0048] Low molecular hydroxy silicone oil 2 parts

[0049] 2.2 parts of ferric oxide

[0050] Vinyltrimethoxysilane 0.6 parts

[0051] Dicumyl peroxide 1.2 parts

[0052] 0.8 parts of polytetrafluoroethylene superfine powder

[0053] Borate 1.2 parts

[0054] 1.2 parts of hydrogenated rosin.

[0055] The preparation method of refractory silicone rubber self-adhesive tape of the present invention is as follows:

[0056] 1) Add vinyltrimethoxysilane to the gas-phase ultrafine silica, ultrafine alumina, and ferric oxide respectively, stir in a kneader for 10 minutes, and set aside;

[0057] 2) Mix the methyl vinyl silicone rubber raw rubber wi...

Embodiment 2

[0065] The components and parts by weight of the refractory silicone rubber self-adhesive tape of the present invention are as follows:

[0066] 100 parts of methyl vinyl silicone rubber with a vinyl content of 0.05 mol%

[0067] Precipitated white carbon black 30 parts

[0068] Electrical filler alumina 15 parts

[0069] 3 parts methylphenyldiethoxysilane

[0070] Manganese dioxide 1.5 parts

[0071] 0.15 parts of vinyltriethoxysilane

[0072] 1 part benzoyl peroxide

[0073] 0.6 parts of polytetrafluoroethylene superfine powder

[0074] Borate 1.6 parts

[0075] Rosin glyceride 1.6 parts.

[0076] The preparation method of refractory silicone rubber self-adhesive tape of the present invention is as follows:

[0077] 1) Add methylphenyldiethoxysilane to precipitated white carbon black, electrical filler alumina, and manganese dioxide respectively, stir in a kneader for 10 minutes, and set aside;

[0078] 2) Mix the methyl vinyl silicone rubber raw rubber with a vinyl...

Embodiment 3

[0086] The components and parts by weight of the refractory silicone rubber self-adhesive tape of the present invention are as follows:

[0087] 100 parts of methyl vinyl silicone rubber with a vinyl content of 0.3 mol%

[0088] Fumed white carbon black 40 parts

[0089] 20 parts of alumina for electronic ceramics

[0090] 4 parts of tetramethylethylenedioxydimethylsilane

[0091] 3 parts of chromium trioxide

[0092] 1 part of γ-mercaptopropyltrimethoxysilane

[0093] Di-tert-butyl peroxide 2 parts

[0094] 1 part PTFE superfine powder

[0095] 2 parts borate

[0096] 2 parts hydrogenated rosin.

[0097] The preparation method of refractory silicone rubber self-adhesive tape of the present invention is as follows:

[0098] 1) Add γ-mercaptopropyltrimethoxysilane to fumed white carbon black, alumina for electronic ceramics, and chromium trioxide respectively, stir in a kneader for 10 minutes, and set aside;

[0099] 2) Mix the methyl vinyl silicone rubber raw rubber w...

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Abstract

The invention discloses a fire-resistant silicone rubber self-adhesive tape and a preparation method thereof, belonging to the field of polymer materials. It is mainly made of the following components and materials by weight: methyl vinyl silicone rubber: 100 parts, white carbon black: 15-40 parts, alumina: 5-20 parts, structure control agent: 1-4 parts , sintering additive: 1.5-3 parts, surface treatment agent: 0.15-1 part, crosslinking agent: 0.5-2 parts, polytetrafluoroethylene superfine powder: 0.5-1 part, borate ester: 0.5-2 parts, increase Viscose resin: 0.5-2 parts. In the refractory silicone rubber self-adhesive tape of the present invention, the co-sintering of white carbon black, alumina, and sintering additives makes the silicone rubber form a ceramic protective layer, and the ceramic body has a stable structure, strong adhesion, high hardness, not easy to fall off, and compact Well, it is not easy to form a channel, so it plays the role of isolating the flame. It can be widely used in the repair and connection of processing wires and cables. It is easy to use and has good insulation performance.

Description

technical field [0001] The invention relates to a fire-resistant silicone rubber self-adhesive tape and a preparation method thereof, belonging to the field of polymer materials. Background technique [0002] With the frequent occurrence of fire accidents, people's awareness of the fire hazards of wires and cables continues to deepen, and the requirements for fire-resistant and flame-retardant properties of wires and cables are also getting higher and higher. Because the cable fire has the characteristics of rapid spread, difficulty in fighting, secondary hazards, and long recovery time, it will bring huge losses to the national economy and the lives and properties of the people. Therefore, cable fire protection measures are an important means to reduce the fire and delay of cables. The key is to focus on prevention. According to this idea, various fire-resistant cables and fire-resistant cables are widely used. [0003] During the manufacture, storage, transportation, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/07C08K13/06C08K9/06C08K3/36C08K3/22B29C43/58B29B7/72H01B17/60H01B7/295
Inventor 陈晓军夏亚芳刘军韩俊杰吴丽芳
Owner WUXI JIANGNAN CABLE
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