Anti-hydrolysis poly urethane (PU) environment-friendly sole, manufacture method and manufacture mould thereof

Abstract

The invention discloses an anti-hydrolysis poly urethane (PU) environment-friendly sole, a manufacture method and manufacture mould thereof. The anti-hydrolysis PU elastic environment-friendly sole comprises an outsole and a PU foaming layer, an accommodating cavity is arranged on the outsole, and the PU foaming layer is formed by low density PU particles and fillers by means of foaming in the outsole, and the mass ratio of the low density PU particles to the fillers is 1:3-4. The PU foaming layer is processed and molded by means of foaming, sizing, cooling and reshaping and the like. The anti-hydrolysis PU elastic environment-friendly sole has the advantages of being abrasion-proof, environment-friendly, anti- hydrolyzing, elastic, difficult to deform, light in weight, deodorant, curable in pedopathy and the like; the anti-hydrolysis PU elastic environment-friendly sole not only solves the problems of the prior art that due to the fact that rubber is combined with the PU, soles are heavy and poor in elasticity, needs color spray, and is not environment-friendly, but also can prevent the PU from being hydrolyzed and replacing non-degradable materials such as ethylene vinyl acetate (EVA); the anti-hydrolysis PU elastic environment-friendly sole is simple in production methods and operation and low in mould cost, and greatly reduces cost of production.

Description

technical field [0001] The invention relates to the field of shoe manufacturing, in particular to a hydrolysis-resistant PU elastic environmental protection shoe sole, a manufacturing method thereof and a manufacturing mold. [0002] Background technique [0003] When walking or running, the vibration of the human body mainly comes from the sole. In order to reduce or avoid the vibration force of the human body, the solution is to increase the elasticity of the sole and use elastic materials to make the sole. The materials of elastic soles currently on the market are mainly divided into two categories: one is PU+rubber. The advantages of PU are good elasticity, light weight, easy to decompose, and it is an environmentally friendly material. The disadvantage is that the soles made of this material are not durable. , the service life is short, the pattern is not fine enough, and color spraying treatment is required; the other type is EVA+rubber. EVA has the advantages of ligh...

AI Technical Summary

Problems solved by technology

The materials of elastic soles currently on the market are mainly divided into two categories: one is PU+rubber. The advantages of PU are good elasticity, light weight, easy to decompose, and it is an environmentally friendly material. The disadvantage is that the soles made of this material are not durable. , the service life is short, the pattern is not fine enough, and color spraying treatment is required; the other type is EVA+rubber. EVA has the advantages of light weight and wear resistance. Pollution to the environment, and it is easier to deform than PU material

In addition, since these two types of materials can only be made into single-color soles, if you want multiple colors, you need to spray color. pollution, not environmentally friendly

There is also a combination of PU and EVA used in the industry to make shoe soles. Although it can achieve wear resistance, wear resistance, fine patterns, and can be directly made into multi-colors, this kind of shoe sole still has disadvantages such as bulkiness, poor elasticity, and not being environmentally friendly.

And the used soles of shoes on the market do not have the function of deodorizing and treating foot diseases.

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