Low-temperature-resistant oil-resistant low-smoke halogen-free flame-retardant polyolefin cable material

Abstract

The invention provides a low-temperature-resistant oil-resistant low-smoke halogen-free flame-retardant polyolefin cable material. The low-temperature-resistant oil-resistant low-smoke halogen-free flame-retardant polyolefin cable material is prepared by using the following raw materials, by weight, 30-60 parts of metallocene linear low density polyethylene, 20-30 parts of POE, 5-10 parts of maleic anhydride grafted polyethylene, 10-20 parts of low temperature resistant silicone rubber, 2-3 parts of N,N'-m-phenylene bismaleimide, 50-60 parts of aluminum hydroxide, 10-15 parts of molybdenum trioxide, 4-6 parts of copper oxide, 5-10 parts of a modification filler, 0.3-0.5 parts of nanometer silicon carbide, 1-2 parts of ferrocene, 1.0-3.0 parts of PE wax, 1-2 parts of 1,6-hexanediol diacrylate, 0.5-2 parts of an antioxidant 1076, and a proper amount of a processing assistant. Compared with common low-smoke halogen-free polyolefin cable materials, the low-temperature-resistant oil-resistant low-smoke halogen-free flame-retardant polyolefin cable material has the advantages of improvement of the oil resistance, substantial improvement of the low temperature resistance of a product, and elimination of the cracking problem of the common low-smoke halogen-free polyolefin cable materials at a low temperature.

Description

technical field [0001] The invention relates to the field of cable materials, in particular to a low-temperature-resistant, oil-resistant, low-smoke, halogen-free, flame-retardant polyolefin cable material and a preparation method thereof. Background technique [0002] Wire and cable are indispensable and important materials in industrial and agricultural production and modern life. my country is the world's largest producer of wire and cable. The wire and cable industry occupies a very important position in my country's national economy. However, at present, the market The cable material is not resistant to high temperature and aging, and the material turns yellow and becomes brittle after the aging test. There are more and more fires caused by aging wires. How to reduce the incidence of fire and the death rate in the event of fire, low smoke, halogen-free, flame retardant, and environmental protection have also become the development direction of the wire and cable industry...

AI Technical Summary

Problems solved by technology

Among them, the demand for halogen-free low-smoke flame-retardant cable materials is increasing. At present, most of the production of halogen-free low-smoke flame-retardant cable materials is to add a large amount of acetylene carbon black or acetylene carbon black to polyolefin substrates to achieve flame retardancy. Effect, however, the addition of a large amount of inorganic materials affects the physical and mechanical properties and processing of cable materials

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