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Composite flame retardant cable material containing polycyclotriphosphazene-sulfone microspheres and preparation method thereof

A polycyclotriphosphazene, composite flame retardant technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of poor compatibility, reduced material mechanical properties and processing properties, etc., to increase fluidity, improve mechanical properties and Processability, effect of high carbon residue rate

Inactive Publication Date: 2016-01-13
SHANGHAI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the traditional magnesium hydroxide and aluminum hydroxide flame retardants can endow the material with good flame retardancy, however, since the matrix resin of most cable materials is a non-polar polyolefin polymer, the polar hydrogen The compatibility of magnesium oxide and aluminum hydroxide is poor, which often reduces the mechanical properties and processing properties of materials

Method used

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  • Composite flame retardant cable material containing polycyclotriphosphazene-sulfone microspheres and preparation method thereof
  • Composite flame retardant cable material containing polycyclotriphosphazene-sulfone microspheres and preparation method thereof
  • Composite flame retardant cable material containing polycyclotriphosphazene-sulfone microspheres and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment one: each component and mass percentage thereof are as follows:

[0030]

[0031] The sheet or plate molding preparation method of the above-mentioned cable material, the preparation method steps are as follows:

[0032] According to the total weight of 200g, mix 60g LDPE, 40g ethylene-vinyl acetate copolymer, and 2g polycyclotriphosphazene-sulfone microspheres to obtain mixture A.

[0033] 66 g of magnesium hydroxide and 32 g of aluminum hydroxide were uniformly mixed to obtain mixture B.

[0034] Put the mixture A into the internal mixer for banburying, and set the material temperature to 160°C; after banburying for 5 minutes, add the mixture B to the internal mixer to continue the banburying, set the material temperature to 160°C, and banbury for 10 minutes to obtain a total of mixture.

[0035] Put the above-prepared blend into an open plastic mixer for kneading, the material temperature is set at 180°C, kneading is carried out 20 times, and the shee...

Embodiment 2

[0037] Embodiment two: contained component and mass percentage thereof are as follows:

[0038]

[0039] The preparation method of the above-mentioned cable material is the same as that of Example 1, and a performance testing test is carried out, and the results are shown in Table 1.

Embodiment 3

[0040] Embodiment three: contained component and mass percent thereof are as follows:

[0041]

[0042] The preparation method of the above-mentioned cable material is the same as that of Example 1, and a performance testing test is carried out, and the results are shown in Table 1.

[0043] Table 1:

[0044] .

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Abstract

The present invention relates to a polycyclotriphosphazene-sulfone microsphere-containing composite fire retardation cable material and a preparation method thereof. According to the cable material, high cross-linking degree polycyclotriphosphazene-sulfone microspheres, magnesium hydroxide and aluminum hydroxide are adopted as fire retardation agents, such that a residual rate of the cable material at a high temperature can be increased, and thermal stability and fire retardation of the cable material can be increased. The cable material has a characteristic of low smoking, and does not contain lead, antimony and other toxic substances, such that the cable material is a green environmental protection type material. With polyphosphazene microsphere addition, filling amounts of magnesium hydroxide and aluminum hydroxide can be reduced, and mechanical property of the material can be increased while fire retardation of the material is improved. With lubricant addition, a processing performance of the material can be increased. In addition, the cable material is a novel efficient fire retardation cable material.

Description

technical field [0001] The invention relates to a flame retardant cable material and a preparation method thereof, in particular to a polymer cable material belonging to the field of polymer materials, especially a composite flame retardant cable material containing polycyclotriphosphazene-sulfone microspheres and its Preparation. Background technique [0002] Wire and cable have the function of power transmission and information transmission, and play an important role in people's life and production. Designing and preparing low-smoke, low-toxic cable materials with excellent flame-retardant and insulating properties has become a hot spot in flame-retardant research today. [0003] Although the traditional magnesium hydroxide and aluminum hydroxide flame retardants can endow the material with good flame retardancy, however, since the matrix resin of most cable materials is a non-polar polyolefin polymer, the polar hydrogen The compatibility of magnesium oxide and aluminum...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L23/08C08K5/5399C08K3/22H01B3/44H01B7/295
Inventor 郭强李夏郭丹丹戎晓溪童彤张经毅汪晓明项健
Owner SHANGHAI UNIV
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