Special soft and wear-proof shoe material and preparation method thereof
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A soft and wear-resistant, special-purpose material technology, applied in applications, soles, footwear, etc., can solve the problems of softness and wear resistance, and achieve the effect of improving wear resistance and lightness
Active Publication Date: 2017-05-10
新疆天利高新石化股份有限公司
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[0007] The present invention aims at the defects of the contradiction between softness and abrasion resistance of existing TPR materials, and provides a TPR shoe sole material with softness, comfort, good abrasion resistance and simple production process and its preparation method
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Embodiment 1
[0044] (1) Oil-extended SBS
[0045]Add various SBS, liquid softener and various additives in proportion to the slow mixer, complete the oil filling of SBS under low-speed stirring, and the oil filling temperature can be set at about 60°C;
[0046] Among them, SBS-1 is Kraton 1186 (32% styrene content, number average molecular weight about 200,000, star structure); SBS-2 is Kraton KX408 (44% styrene content, linear structure); SBS-3 is Kraton KX222 (18% styrene content, star structure);
[0047] The liquid softener is naphthenic oil, the brand is Kelian 4006;
[0048] The lubricant is silicone and the antioxidant is 1010;
[0049] (2) Mixing of components
[0050] In the high mixer, add modified resin polystyrene (grade: GPPS-500N) and inorganic powder filler calcium carbonate (2000 mesh) in proportion, crosslinking system (di-tert-butyl peroxide and triallyl iso The mass ratio of cyanurate is 1:1), AC blowing agent, make material mix evenly under high-speed stirring, dry ...
Embodiment 2
[0057] The implementation process is the same as in Example 1, except that the ratio of SBS-1 and SBS-2 is adjusted. Other materials and proportioning are shown in Table 1, and the obtained material results are shown in Table 2.
Embodiment 3
[0059] The implementation process is the same as in Example 1, except that the ratio of SBS-2 and SBS-3 is adjusted. Other materials and proportioning are shown in Table 1, and the obtained material results are shown in Table 2.
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Abstract
The invention discloses a special soft and wear-proof shoe material. The special soft and wear-proof shoe material is characterized by taking a compound synergetic SBS system as a base material and comprising the following components in percentage by weight: 75-85% of high-molecular-weight SBS, 10-20% of high-styrene SBS and 1-8% of star-like low-styrene SBS, wherein the number-average molecular weight of the high-molecular-weight SBS is greater than 200000, and the content of styrene is less than 35%; the content of styrene in the high-styrene SBS is greater than 40%; the content of styrene in the star-like low-styrene SBS is less than 20%. The invention also discloses a preparation method of the special soft and wear-proof shoe material; the process is simple; the prepared shoe material has the characteristics of softness, wear resistance and light weight.
Description
technical field [0001] The invention relates to the technical field of polymer materials, in particular to a special material for soft and wear-resistant shoe materials and a preparation method thereof. Background technique [0002] TPR (thermoplastic elastomer) material is based on SBS (styrene-butadiene-styrene block copolymer) thermoplastic elastomer and modified with other thermoplastic materials, adding white oil, fillers, processing aids, etc., after similar Manufactured by plastic processing methods. TPR has the advantages of good elasticity, non-slip, low temperature resistance, bending resistance, good air permeability, low density, high bonding strength, easy processing and molding, recyclable waste and good touch. It is currently widely used as a shoe sole material. [0003] With the development of science and technology and the progress of society, people's living standards continue to improve, improving the quality and performance of all kinds of shoes, making ...
Claims
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