EVA (ethylene vinyl acetate) rubber-plastic composite foaming material used for sole and preparation method

Abstract

The invention belongs to the technical field of rubber-plastic composite sole materials and provides an EVA (ethylene vinyl acetate) rubber-plastic composite foaming material used for a sole and a preparation method. The EVA rubber-plastic composite foaming material is prepared from raw materials in parts by weight as follows: 59.8-71.9 parts of an EVA copolymer, 10-15 parts of high styrene rubber, 5-10 parts of atactic polypropylene, 4-8 parts of tetrapod-like zinc oxide whiskers, 2-4 parts of nylon 66 staple fiber, 3-5 parts of calcium carbonate, 2-4 parts of a tungsten-cobalt alloy, 0.5-1 part of a crosslinking agent, 0.5-1 part of a foaming agent, 0.3-0.7 parts of zinc oxide, 0.3-0.5 parts of stearic acid and 0.5-1 part of an anti-ageing agent. The prepared rubber-plastic composite foaming material effectively overcomes the defects that EVA foaming materials easily slide, get hard at the low temperature and are not stab-proof, has high porosity and smaller average pore sizes whilehaving higher elasticity, strength, slip resistance and wear resistance, is light and breathable to wear and can be widely used in the sole materials.

Description

technical field [0001] The invention belongs to the technical field of rubber-plastic composite shoe sole materials, and provides an EVA rubber-plastic composite foam material used as a shoe sole and a preparation method thereof. Background technique [0002] The sole is an important part of the shoe material, and its quality largely determines the safety, reliability and comfort of the shoe. The common characteristics of general shoe sole materials should be wear-resistant, water-resistant, oil-resistant, heat-resistant, pressure-resistant, impact-resistant, good elasticity, easy to fit the foot shape, not easy to change shape after setting, heat preservation, easy to absorb moisture, etc. It is popular for its excellent elasticity and comfort, and it is also the most commonly used material in the manufacture of various shoe soles. [0003] At present, the main foam sole materials on the market are: polyvinyl chloride (PVC) foam soles, polyethylene (PE) foam soles, ethylen...

AI Technical Summary

Problems solved by technology

The disadvantage of this invention is that the mechanical properties, skid resistance, low temperature resistance, and puncture resistance of the composite shoe sole material need to be further improved.

[0007] In summary, in the prior art, the EVA foam material used for the sole material of sports shoes has poor mechanical strength, tear resistance and peel resistance, and has poor slip resistance, poor wear resistance, poor low temperature resistance, Defects such as poor puncture resistance, so it is of great significance to develop an EVA rubber-plastic composite foam material with excellent comprehensive performance for shoe soles

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