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Fast ceramic flame-resistant cable and its production method

A fire-resistant cable, ceramic technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of complex production process, difficult construction, easy damage, etc., and achieve the effect of simple process, convenient construction and low cost

Active Publication Date: 2011-05-18
LUOYANG ZHONGCHAO NEW MATERIAL SHARES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a rapid ceramic refractory cable material in order to solve the shortcomings of the prior art such as complex production process, high cost, difficult construction and easy damage.

Method used

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  • Fast ceramic flame-resistant cable and its production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A rapid ceramization refractory cable material, its raw material ratio is as follows:

[0030] Ethylene-vinyl acetate copolymer 60 parts

[0031] Linear low density polyethylene (DJM1820) 40 parts

[0032] GA 26 copies

[0033] GC 39 copies

[0034] 0.7 parts of 3-methacryloxypropyltrimethoxysilane

[0035] Magnesium hydroxide 80 parts

[0036] 20 parts melamine

[0037] 1 part stearic acid

[0038] Antioxidant 1010 1 part

[0039] Add GA, GC and 3-methacryloxypropyltrimethoxysilane into a high-speed mixer at 60°C, mix for 10 minutes, and discharge for later use. Add ethylene-vinyl acetate copolymer, linear low-density polyethylene, antioxidant, flame retardant, porcelain-forming filler, and lubricant into the high-speed mixer in sequence, mix at room temperature for 2 to 3 minutes, and then granulate with twin-screw, extrude The temperature of each section of the machine is as follows: the first zone is 125°C, the second zone is 135°C, the third zone is 145°C, ...

Embodiment 2

[0042] A rapid ceramization refractory cable material, its raw material ratio is as follows:

[0043] Ethylene-vinyl acetate copolymer 65 parts

[0044] Linear low density polyethylene (DJM1820) 35 parts

[0045]GA 40 copies

[0046] GC 40 copies

[0047] Isopropyl dioleate (dioctyl phosphate acyloxy) titanate 1.2 parts

[0048] Magnesium hydroxide 90 parts

[0049] 15 parts melamine

[0050] 1.5 parts of stearic acid

[0051] Antioxidant 300 1.5 parts

[0052] The preparation method of the above-mentioned cable material is the same as that of Example 1, and the performance test results are shown in Table 1.

Embodiment 3

[0054] A rapid ceramization refractory cable material, its raw material ratio is as follows:

[0055] Ethylene-vinyl acetate copolymer 70 parts

[0056] Linear low density polyethylene (DJM1820) 30 parts

[0057] GA 54 copies

[0058] GC 36 copies

[0059] 1.2 parts of γ-methacryloxypropyltrimethoxysilane

[0060] Magnesium hydroxide 95 parts

[0061] 10 parts melamine

[0062] Zinc stearate 1.8 parts

[0063] Antioxidant 300 2 parts

[0064] The preparation method of the above-mentioned cable material is the same as that of Example 1, and the performance test results are shown in Table 1.

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Abstract

The invention discloses a quickly vitrified fireproof cable material and a preparation method thereof. According to the weight parts, the raw material of the ceramic fireproof cable material comprises 60-70 of ethane-vinyl acetate copolymer, 30-40 of polyethylene, 50-100 of ceramic filler, 0.5-2.5 of coupling agent, 80-100 of flame retardant A, 10-20 of flame retardant B, 1-2 of lubricant and 1-3of antioxidant. The preparation process of the cable material comprises the steps as follows: surface disposing of the ceramic filler, compounding, mixing, granulating, drying and the like. The fireproof cable material is polymer-based composite material and has the same behaviors (namely excellent processability and convenient construction) with normal extrusion cable insulation material under normal environment, and can be vitrified within 10 minutes under the temperature of 750 DEG C or higher; the ceramics can ensure that the normal running time of the line under the temperature of 750-950 DEG C for more than 90min.

Description

technical field [0001] The invention relates to a cable material, more specifically to a rapid ceramicization refractory cable material. Background technique [0002] With the development of society, economy and science and technology, wires and cables are used more and more in people's daily life and in high-tech fields such as aerospace and military. Modern buildings use more and more combustibles, especially in crowded places such as large luxury entertainment venues and stations. If the circuit system fails at the same time when a fire breaks out in these places, the personal and property safety of all personnel on site will face greater threats. If combustibles emit a lot of smoke, especially toxic gases, it will also cause secondary the occurrence of disasters. [0003] When a fire breaks out in some large, high-rise buildings or places, the fire causes a circuit failure, which makes the alarm, automatic door, elevator, sprinkler system, various signal transmission s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B3/44H01B7/295C08L23/08C08K13/06C08K9/04C08K3/22C08K5/3492C08K3/38
Inventor 王庭慰张其土邵海彬
Owner LUOYANG ZHONGCHAO NEW MATERIAL SHARES CO LTD
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