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Novel composite refractory mica tape and manufacturing method thereof

A technology of fire-resistant mica and artificial synthetic mica, which is applied in the field of cables, can solve the problem of no fire-proof cable, etc., and achieve the effects of good fire-resistance performance, reliable fire-proof and insulation effects

Inactive Publication Date: 2019-11-08
CHONGQING TAISHAN CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At the same time, many cable manufacturers have also developed various types of fire-resistant cables to meet market demand. In terms of fire-resistant mica tape materials, there has been no new product specially used for fire-resistant cables.

Method used

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  • Novel composite refractory mica tape and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The thickness of the high-silica glass fiber net 2 is 0.025mm, the mesh number of the high-silica glass fiber net 2 is 200 mesh, the particle diameter of the ceramicized silicone rubber 3 is 0.06mm, and the thickness of the artificial mica paper layer 1 is 0.08mm , the thickness of the silicone resin is 0.02mm.

[0032] Its manufacturing method comprises the following steps:

[0033] includes steps a and b;

[0034] c. Bake the semi-finished product twice successively. The first baking temperature is 100°C, bake for 4 hours, then keep warm for 1.5 hours, and then naturally cool to room temperature, the second baking temperature is 125°C, bake 4 hours, then keep warm for 1.5 hours, then naturally cool to room temperature, and finally obtain the finished product.

Embodiment 2

[0036] The thickness of the high-silica glass fiber net 2 is 0.03mm, the mesh number of the high-silica glass fiber net 2 is 270 mesh, the particle diameter of the ceramicized silicone rubber 3 is 0.07mm, and the thickness of the synthetic mica paper layer 1 is 0.05mm , the thickness of the silicone resin is 0.01mm.

[0037] Its manufacturing method comprises the following steps:

[0038] includes steps a and b;

[0039] c. Bake the semi-finished product twice successively. The first baking temperature is 90°C, bake for 4 hours, then keep warm for 2 hours, and then naturally cool to room temperature, the second baking temperature is 160°C, bake 4 hours, then keep warm for 1.5 hours, then naturally cool to room temperature, and finally obtain the finished product.

Embodiment 3

[0041] The thickness of the high-silica glass fiber net 2 is 0.05mm, the mesh number of the high-silica glass fiber net 2 is 200 mesh, the particle diameter of the ceramicized silicone rubber 3 is 0.07mm, and the thickness of the artificial mica paper layer 1 is 0.10mm , the thickness of the silicone resin is 0.06mm.

[0042] Its manufacturing method comprises the following steps:

[0043] includes steps a and b;

[0044] c. Bake the semi-finished product twice successively. The first baking temperature is 100°C, bake for 4 hours, then keep warm for 2 hours, then cool to room temperature naturally, the second baking temperature is 90°C, bake 4 hours, then keep warm for 1.5 hours, then naturally cool to room temperature, and finally obtain the finished product.

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Abstract

The invention discloses a novel composite refractory mica tape. The mica tape comprises a synthetic mica paper layer, high silica glass fiber meshes, ceramization silicon rubber particles and refractory adhesive layers, the ceramization silicon rubber particles are pasted through each refractory adhesive layer and evenly dispersed on each high silica glass fiber mesh to form a composite layer, andthe synthetic mica paper layer is pasted between two composite layers through the refractory adhesive layers. The mica tape has good fire resistance, and meets the British refractory cable standard BS, especially no pulverization appears at conditions of a temperature of 800 DEG C, fire-resistant and insulation effects are still reliable, the performance is better than a traditional mica tape, and thus the mica tape meets line integrity test requirements with a flame temperature of 800-1000 DEG C and a duration time of 120 min.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a novel composite fire-resistant mica tape for fire-proof and fire-resistant cables and a manufacturing method thereof. Background technique [0002] There are hundreds of thousands of building electrical fires in our country every year, and the large fires caused by wire and cable failures account for more than 50%. With the continuous construction of smart cities and the continuous improvement of the public's awareness of electrical safety, the country has put forward extremely high performance requirements for fire-resistant and fire-resistant cables for construction. [0003] At the same time, many cable manufacturers have also developed various types of fire-resistant cables to meet market demand. In terms of fire-resistant mica tape materials, there has been no new product specially used for fire-resistant cables. [0004] The traditional mica tape consists of a bottom laye...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B3/12B32B7/12B32B17/02B32B17/06B32B19/06B32B25/10B32B33/00B32B37/12B32B38/16H01B7/02H01B7/29H01B7/295
CPCB32B3/12B32B5/02B32B5/16B32B7/12B32B17/06B32B17/063B32B19/06B32B25/10B32B33/00B32B37/12B32B38/16B32B2262/101B32B2264/0207B32B2307/3065H01B7/0225H01B7/29H01B7/292H01B7/295
Inventor 祁登权
Owner CHONGQING TAISHAN CABLE
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