Novel halogen-free and flame-retarding polyolefin cable material

Abstract

The invention provides a novel halogen-free and flame-retarding polyolefin cable material. The novel halogen-free and flame-retarding polyolefin cable material comprises the following raw materials inpercentage by weight: 40% to 50% of EVA (ethylene-vinyl acetate) resin, 0.1% to 1% of nano jade powder, 0.1% to 3% of epoxidized soybean oil, 0.1% to 3% of modified filler, 0.1% to 3% of aluminum hypophosphite and 40% to 60% of a thermoplastic polyurethane elastomer. The novel halogen-free and flame-retarding polyolefin cable material has the advantages of being heat-resistant, aging-resistant and high in shrinkability.

Description

technical field [0001] The invention belongs to the technical field of material science, and in particular relates to a novel halogen-free flame-retardant polyolefin cable material. Background technique [0002] With the rapid development of the global economy and the enhancement of human awareness of environmental protection, the requirements for the quality and performance of wires and cables in various fields are getting higher and higher, and there are more and more fires caused by the aging of wires and cables. How to reduce the fire Low smoke, halogen-free, flame retardant, and environmental protection have also become the development direction of the wire and cable industry. 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 magnesium hydroxide or magnesium hydroxide to polyolefin substrates to achieve f...

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 magnesium hydroxide or magnesium hydroxide to polyolefin substrates to achieve flame retardancy. However, the addition of a large amount of inorganic materials affects the physical and mechanical properties and processing performance of the cable material. Its softness, poor weather resistance, oil resistance, and low temperature resistance at room temperature are not very good.