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Halogen free flame retardant cable sheath material and manufacturing method thereof

A flame retardant cable and sheath material technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of increasing product production costs, prolonging product production time, restricting the promotion and use of halogen-free flame retardant cable materials, and achieving good mechanical properties. performance, the effect of improving the flame retardant performance

Inactive Publication Date: 2010-03-03
MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this crosslinking process will prolong the production time of the product and increase the production cost of the product, thus limiting the popularization and use of halogen-free flame-retardant cable materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Sequentially put EVA and EVA-g-MAH; Inorganic flame retardant; ZnB, Znst, EBS, antioxidant 1010, dispersing oil and other additives and other components, according to the following components (mass parts) into 1500-2200 rpm Mix in a mixer at room temperature for 1 to 2 minutes at a low speed, mix evenly, add to a twin-screw extruder and knead at 140°C to 170°C, and then granulate.

[0025] 80 copies of EVA;

[0026] EVA-g-MAH 20 parts;

[0027] 170 parts of inorganic flame retardants;

[0028] ZnB 10 parts;

[0029] Znst 3 parts;

[0030] 1 copy of EBS;

[0031] Antioxidant 1010 1.5 parts;

[0032] 1 part dispersing oil;

[0033] 6.5 parts of other additives.

Embodiment 2

[0035] Sequentially put EVA and EVA-g-MAH; Inorganic flame retardant; ZnB, Znst, EBS, antioxidant 1010, dispersing oil and other additives and other components, according to the following components (mass parts) into 1500-2200 rpm Mix in a mixer at room temperature for 1 to 2 minutes at a low speed, mix evenly, add to a twin-screw extruder and knead at 140°C to 170°C, and then granulate.

[0036] 85 copies of EVA;

[0037] EVA-g-MAH 15 parts;

[0038] 170 parts of inorganic flame retardants;

[0039] ZnB 10 parts;

[0040] Znst 3 parts;

[0041] 1 copy of EBS;

[0042] Antioxidant 1010 1.5 parts;

[0043] 1 part dispersing oil;

[0044] 6 parts of other additives.

Embodiment 3

[0046] Sequentially put EVA and EVA-g-MAH; Inorganic flame retardant; ZnB, Znst, EBS, antioxidant 1010, dispersing oil and other additives and other components, according to the following components (mass parts) into 1500-2200 rpm Mix in a mixer at room temperature for 1 to 2 minutes at a low speed, mix evenly, add to a twin-screw extruder and knead at 140°C to 170°C, and then granulate.

[0047] 90 copies of EVA;

[0048] EVA-g-MAH 10 parts;

[0049] 160 parts of inorganic flame retardant;

[0050] ZnB 10 parts;

[0051] Znst 3 parts;

[0052] 1 copy of EBS;

[0053]Antioxidant 1010 1.5 parts;

[0054] 1 part dispersing oil;

[0055] 7 parts of other additives.

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PUM

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Abstract

The invention discloses a halogen free flame retardant cable sheath material and a manufacturing method thereof. The material mainly comprises the following components in parts by weight: 80-90 partsof ethylene-vinyl acetate copolymer, 10-20 parts of compatilizer, 120-180 parts of halogen free flame retardant, 5-20 parts of flame retardant synergistic agent, 1-3 parts of antioxidant and 5-20 parts of processing agent. The invention adopts magnesium hydroxide and aluminum hydroxide of the halogen free flame retardant, and avoids the use of a halogenous flame retardant, thereby not only effectively improving the flame retardant property of the cable material, but also ensuring that the cable material has better mechanical property.

Description

technical field [0001] The invention relates to a cable in the technical field of cables, in particular to a low-smoke, halogen-free, flame-retardant cable insulation and sheath material and a manufacturing method thereof. Background technique [0002] Flame-retardant cable sheathing material is a kind of composite material, which is usually composed of matrix resin and appropriate fillers. It is required to have relatively excellent flame-retardant properties in addition to high physical and mechanical properties. The polymer itself generally does not have flame retardant ability, and the common method to improve the flame retardant performance of polymer materials is to fill the polymer materials with additive flame retardants to prepare flame retardant composite materials. Commonly used flame retardants are: halogen-containing compounds, phosphorus-containing compounds, hydrated metal oxides and zinc borate compounds. [0003] Red phosphorus is one of the most efficient ...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L51/06C08K13/02C08K3/22C08K3/38B29B7/00B29B9/06H01B7/295
Inventor 董晓
Owner MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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