Polymeric compounds based on thermoplastic elastomer styrene-butadiene-styrene block copolymers and siliconic rubber powder

IF 1.1 4区材料科学 Q4 MATERIALS SCIENCE, COMPOSITES

Progress in Rubber Plastics and Recycling Technology Pub Date : 2022-09-19 DOI:10.1177/14777606221127373

M. Stelescu, M. Sonmez, M. Georgescu, L. Alexandrescu, M. Nițuică, D. Gurau

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引用次数: 1

Abstract

This paper presents the obtaining and characterization of polymeric composites based on thermoplastic elastomer type styrene-butadiene-styrene block copolymers and vulcanized rubber powder. The rubber powder used was obtained as waste in the technological processes in the rubber industry. It was analyzed by determining the acetonic extract, ash and FTIR analysis and it was observed that the base elastomer in the rubber waste is silicone rubber, and the amounts of inorganic fillers, plasticizers, antioxidants, lubricants etc. existing in the rubber powder are lower than 19%. The samples were obtained by mixing technique, on Brabender Plasti-Corder internal mixer type. The test specimens necessary to determine the characteristics were obtained on a laboratory electrical press at 170°C, applying a force of 300 kN, and moulding time 6 min. The characteristics of the obtained samples show that the addition of rubber powder improved the hardness and elasticity, and by the applying compatibility method, namely crosslinking and grafting in melt, in dynamic regime, there was a significant increase in hardness, elasticity, modulus 100%, tensile strength, and the material obtained is more compact. The new composites have physical and mechanical properties suitable for producing a wide range of rubber consumer goods.

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基于热塑性弹性体苯乙烯-丁二烯-苯乙烯嵌段共聚物和硅橡胶粉末的聚合物化合物

本文介绍了热塑性弹性体型苯乙烯-丁二烯-苯乙烯嵌段共聚物与硫化胶粉复合材料的制备和表征。所使用的胶粉是橡胶工业在工艺过程中作为废料获得的。通过丙酮萃取物、灰分测定和红外光谱分析，发现橡胶废料中的基础弹性体为硅橡胶，胶粉中无机填料、增塑剂、抗氧化剂、润滑剂等的含量均低于19%。样品采用Brabender Plasti-Corder内混频器混合技术获得。在实验室电压机上，在170℃下，施加300 kN的力，成型时间为6 min，获得了确定特性所需的试样。所获得的样品的特性表明，橡胶粉末的加入提高了硬度和弹性，并且通过施加相容性方法，即熔体交联和接枝，在动态状态下，硬度，弹性，模量100%，抗拉强度，得到的材料更紧凑。新型复合材料具有物理和机械性能，适用于生产各种橡胶消费品。

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来源期刊

Progress in Rubber Plastics and Recycling Technology MATERIALS SCIENCE, COMPOSITES-POLYMER SCIENCE

CiteScore

4.40

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The journal aims to bridge the gap between research and development and the practical and commercial applications of polymers in a wide range of uses. Current developments and likely future trends are reviewed across key areas of the polymer industry, together with existing and potential opportunities for the innovative use of plastic and rubber products.