Modified low-density polyethylene insulating material for household appliance wiring harness

Abstract

The invention relates to an insulating material for a wiring harness and specifically relates to a modified low-density polyethylene insulating material for a household appliance wiring harness. The material is prepared from the following raw materials in parts by weight: 12-15 parts of nylon PA (Polyamide) 66, 10-14 parts of polybutylene terephthalate, 34-38 parts of low-density polyethylene, 2-3 parts of an antioxidant 1010, 2-3 parts of calcium laurate, 18-20 parts of glycerin triacetate, 3-4 parts of sodium hexametaphosphate, 15-18 parts of polyvinylidene chloride, 15-20 parts of active calcium carbonate, 4-7 parts of zinc oxide, 12-15 parts of aluminum hydroxide, 13-14 parts of microcrystalline wax, 22-25 parts of fast extruding furnace carbon black N660, 1-2 parts of accelerator Na-22 and 14-16 parts of auxiliaries. The insulating material disclosed by the invention is combined with the advantages of materials such as low-density polyethylene, nylon PA66 and polyvinylidene chloride, so that performances of the conventional low-density polyethylene material are improved, the processing performances and mechanical performances are good; the prepared material is high in strength, waterproof, flame-retardant, low temperature impact-resistant and tearing-resistant, can be extensively used for manufacturing the insulating sheath of the wiring harness at each part of the household appliance, a wiring terminal, a binding material, and the like, and is broad in prospect of market needs.

Description

technical field [0001] The invention relates to an insulating material for wire harnesses, in particular to a modified low-density polyethylene insulating material for household wire harnesses and a preparation method thereof. Background technique [0002] Household wire harness is the wiring part that connects various electrical equipment in electrical appliances. Its role is very important. As the basic connecting part of the home appliance industry, its market demand is increasing with the rapid development of the home appliance industry, and its quality requirements are also increasing. High, especially for safety and environmental protection issues, the wiring harness mainly includes wires, insulating sheaths, wrapping materials and other components. There are problems such as poor flame retardancy, easy deformation at high temperature, and short service life, which bring a lot of inconvenience to actual use and even threaten people's lives and property safety. Therefor...

AI Technical Summary

Problems solved by technology

[0002] Household wire harness is the wiring part that connects various electrical equipment in electrical appliances. Its role is very important. As the basic connecting part of the home appliance industry, its market demand is increasing with the rapid development of the home appliance industry, and its quality requirements are also increasing. High, especially for safety and environmental protection issues, the wiring harness mainly includes wires, insulating sheaths, wrapping materials and other components. There are problems such as poor flame retardancy, easy deformation at high temperature, and short service life, which bring a lot of inconvenience to actual use and even threaten people's lives and property safety. Therefore, it is urgent to change the original formula and improve material properties to adapt to the market of home appliances and electronic devices diverse needs