A kind of super wear-resistant and highly elastic vulcanized polyurethane cable sheath material and its preparation method

Abstract

The invention discloses a super wear-resistant and highly elastic vulcanized polyurethane cable sheath material. The raw materials and counterweight ratios involved in making the effective components are: polyether type polyurethane rubber, polyester type polyurethane rubber, anti-aging agent MB, Flow dispersion aid, ozone protection wax, sulfur, stearic acid, BIBP, cross-linking aid, flame retardant, silica, coupling agent A172, titanium dioxide, temperature-resistant bright red, ultraviolet absorber, anti-hydrolysis agent; The cable sheath has very excellent mechanical properties and wear resistance, which can greatly prolong the service life of the cable, enhance the brand effect of the enterprise, and bring better economic benefits to customers at the same time. At the same time, the longer service life can reduce the pollution discharge of cable manufacturing enterprises, which meets the requirements of energy saving and environmental protection.

Description

technical field [0001] The invention relates to the cable industry, in particular to a cable sheath material that requires ultra-high wear resistance, strength and tear resistance, and at the same time has higher elasticity and softer hand feeling than thermoplastic polyurethane (TPU) Rubber-type polyurethane material with better wrapping properties. In particular, it relates to a super wear-resistant and highly elastic vulcanized polyurethane cable sheath material and a preparation method thereof. Background technique [0002] At present, some mobile cable fields, including port machinery, mining, shield tunneling and other fields, require the cable to have good flexibility, and at the same time require the sheath to have excellent wear resistance to prevent damage from being pierced or smashed by ore. Because the cable is not soft enough, it is inconvenient to use, and the cable core is prone to broken cores. In order to make the cable soft, ordinary rubber sheaths will b...

AI Technical Summary

Problems solved by technology

Because the cable is not soft enough, it is inconvenient to use, and the cable core is prone to broken cores. In order to make the cable soft, ordinary rubber sheaths will be used, and the cable sheath will not be wear-resistant enough. It will not take long because the sheath is damaged. cause the cable to be scrapped

[0003] At present, it is difficult to achieve a good balance between the above two situations. Usually, the solution of the domestic and international cable industry is to use thermoplastic polyurethane (TPU) as the sheath material of the mobile cable. TPU has excellent comprehensive performance, wear resistance, strength and Tear resistance is better than ordinary rubber materials, but its biggest problem is that it is a plastic material after all, its elasticity cannot be compared with rubber materials, and it feels like plastic. During the long-term use of the cable, it is prone to insufficient sheath wrapping force The cable core is loose and broken, which affects the normal operation of the equipment