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A kind of high-rebound foam material for sports shoes, its preparation method and application
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A technology of foaming materials and sports shoes, which is applied in the field of footwear products to achieve obvious cost and efficiency advantages and improve the effect of rebounding ability
Active Publication Date: 2020-12-22
ANTA CHINA
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Abstract
Description
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Problems solved by technology
The rebound ability of the current polyethylene foam midsole materials in the industry is mainly concentrated at 60% and below, which still needs to be further improved
Method used
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preparation example Construction
[0047] The embodiment of the present invention provides the preparation method of the high-rebound foam material for sports shoes, comprising the following steps:
[0048] The components in the material are sequentially kneaded, made and foamed once to obtain a high-rebound foam material for sports shoes.
[0049] see figure 1 , figure 1 The process flow chart for preparing the high rebound foam material for sports shoes provided by the embodiment of the present invention.
[0050] The embodiment of the present invention first weighs the material, according to the above-mentioned material formula components and dosage, the peroxide crosslinking agent and the azo foaming agent can be weighed as the first group; the active agent can be weighed as the second group; The following material components are weighed as the third group.
[0051] In the embodiment of the present invention, the weighed material components are mixed and kneaded; specifically, the third group of material...
Embodiment 1
[0059] Adopt the formula described in Table 1, implement according to the following steps:
[0060] According to the ingredients and dosage of the above material formula, weigh the peroxide crosslinking agent and azo foaming agent as the first group; weigh the active agent as the second group; and weigh the remaining material components as the third group Say hello.
[0061] First pour the third group of materials into the internal mixer, and turn on the machine, when the temperature rises to 70-80°C, pour the second group of materials, and then pour the first group when the temperature rises to 80-90°C When the temperature rises to 100-105°C, pour out the mixed material.
[0062] Pour the mixed material into the material maker, and adjust the temperature of the first, second, third and fourth zones to 70, 75, 80 and 85°C respectively. And the screw speed is adjusted to 40-50 rpm, and the cutting speed is adjusted to 15-20 rpm. Water ring / underwater granulation is used in t...
Embodiment 2～6
[0069] The formulations described in Table 1 were used to prepare according to the steps of Example 1 respectively to obtain foaming materials.
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Abstract
The invention provides a high rebound foaming material for sports shoes and a preparation method and application thereof. The foaming material is prepared from 20-40 parts by mass of an ethylene-vinylacetate copolymer, 30-50 parts by mass of an ethylene-octene copolymer, 20-50 parts by mass of a rubber component comprising one or more of ethylene propylene diene monomer, high cis-butadiene rubberand isoprene rubber, 0.6-0.9 parts by mass of a peroxide crosslinking agent, 3-5 parts by mass of an azo-based foaming agent and 1-3 parts by mass of an activator through one-step foaming molding. Through the one-step foaming molding method, the foaming material with the rebounding ability of 70% or more is obtained, has mechanical indexes satisfying the requirements of the national standards ofthe sole of the sports shoe, and has obvious cost and efficiency advantages.
Description
technical field [0001] The invention relates to the technical field of footwear products, in particular to a high-rebound foam material for sports shoes, its preparation method and its application. Background technique [0002] In the field of professional sports shoes, "rebound" is a very important performance index of bottom materials. Taking basketball sneakers as an example, if the bottom material has a very good rebound ability, the basketball player wearing the shoes will have a feeling of being bounced the moment he hits the ground. When the jumping height is greatly increased, it can effectively assist athletes to complete sports demands such as dunking. [0003] In order to increase the rebound ability of the bottom material of sports shoes, scientists have tried various methods. Generally speaking, there are two main methods. One is to achieve high resilience through the structure, such as implanting springs or air cushions at the bottom. Another method is to ac...
Claims
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Application Information
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