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Fireproof and flame retardant mineral compound filling material and cable containing the same

A fire retardant and filler technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of inability to ensure the continuous operation of the line, low fire resistance temperature, and poor fire resistance reliability, etc., to achieve excellent fire protection effect, good flexibility sexual effect

Active Publication Date: 2013-05-15
上海宏胜电线电缆有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to its structural characteristics, this kind of cable has low fire resistance temperature and low fire resistance reliability.
There are also fillers made of glass filaments, but the fillers will ash and smoke when burned at high temperatures
In the event of a fire, ordinary fire control cables cannot guarantee that the line will continue to work, and it is difficult to fight for a longer time for escape and rescue

Method used

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  • Fireproof and flame retardant mineral compound filling material and cable containing the same

Examples

Experimental program
Comparison scheme
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preparation example Construction

[0068] The preparation method of electric wire and cable is all common knowledge, and the inventive point of the present invention is not here, so in the present invention, do not need this unnecessary detailed description.

[0069] The preparation method of the filler is as described above, and will not be repeated in the following examples.

[0070]

Embodiment 1-5

[0072] The wire and cable of Examples 1-5 include copper stranded wires, mica tapes, ceramicized fireproof and refractory composite tapes, polymer insulating layers, glass cloth tapes, and halogen-free low-smoke sheaths. The material and structure of wire and cable are as follows: figure 1 shown. In addition, the formulation of the filler is shown in the table below:

[0073] Example 1 Example 2 Example 3 Example 4 Example 5 Silica sol 100 100 100 100 100 Aluminum hydroxide 35 - 75 - - Zinc borate - 190 - 40 - Antimony trioxide - - 10 - 50 talcum powder 150 - 75 85 - Mica - 35 - 85 - Aluminum oxide - - 70 - 40 carbon black 1 - 0.5 0.1 - Titanium dioxide - 20 - - -

Embodiment 6-10

[0075] The wires and cables of Examples 6-10 include copper stranded wires, mica tapes, ceramicized fireproof and refractory composite tapes, polymer insulating layers, glass cloth tapes, and halogen-free low-smoke sheaths. The material and structure of wire and cable are as follows: figure 1 shown. In addition, the formulation of the filler is shown in the table below:

[0076] Example 6 Example 7 Example 8 Example 9 Example 10 hydrous lithium magnesium silicate 100 100 100 100 100 magnesium hydroxide 35 - 75 - - Cuprous oxide - 170 - 40 - barium stannate - - 10 - 50 silica 100 - 75 85 - Nano calcium carbonate - 35 - 85 - Silicon carbide - - 70 - 40 ultramarine 1 - 0.5 0.1 - iron yellow - 10 - - -

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Abstract

The invention relates to a fireproof and flame retardant mineral compound filling material for cables. The filling material comprises a silicon-containing binder; an inorganic flame retardant compound; and a mineral compound. The filling material also can include a silicate modifier, a silicate curing agent and a pigment. Being free of any flammable substance, the fireproof and flame-retardant mineral compound filling material provided in the invention has an excellent fireproof effect, can lose moisture and absorb a lot of heat so as to achieve the flame retardant effect. With good flexibility, the fireproof and flame retardant mineral compound filling material has no hazard to the nature after it is abandoned.

Description

technical field [0001] The invention relates to a mineral compound filler, in particular, the invention relates to a fireproof and flame-retardant mineral compound filler for electric cables. The invention also relates to a cable containing the filler. Background technique [0002] With the acceleration of industrialization and urbanization, various types of fire accidents also occur frequently, causing huge losses of life and property. Moreover, with the improvement of fire protection awareness, some electrical distribution lines in developed countries must choose fireproof cables according to different purposes. The domestic power sector is also promoting the use of fire-resistant cables in high-rise buildings and entertainment venues in cities. [0003] The insulating layer containing mica tape and ceramic composite tape is the main fire-proof and flame-retardant structure of the cable. The fire resistance of the cable is achieved through the chemical reaction of cerami...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/24C04B28/26C04B28/04H01B7/295C04B111/28
Inventor 周友国
Owner 上海宏胜电线电缆有限公司
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