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以陶土为增强剂,铝酸酯、硼酸酯、硅烷为改性剂,丁苯橡胶(SBR)为基本原料,制备SBR发泡材料。采用吸水性测定法、黏度测定法、红外光谱法评价陶土的偶联改性效果;用扫描电镜观察陶土在SBR材料中的分散均匀性,以及对SBR发泡材料泡孔的影响;检测了SBR发泡材料的物理力学性能。结果表明:硼酸酯改性陶土效果最好,含20%改性陶土的SBR发泡材料,其孔径均匀性较好,拉伸强度提高34.5%,断裂伸长率提高29.1%,回弹率提高4.9%,物理力学性能优良。
Using SBR as reinforcing agent, aluminate, boric acid ester, silane as modifier and styrene butadiene rubber (SBR) as basic raw materials, SBR foam was prepared. The water absorption, viscosity and infrared spectroscopy were used to evaluate the coupling effect of clay. The scanning electron microscope was used to observe the dispersion of clay in SBR and the influence of SBR on the foam of SBR. Physical and mechanical properties of foamed material. The results showed that the boric ester modified clay had the best effect. SBR foam with 20% modified clay had better uniformity of pore size, tensile strength increased by 34.5%, elongation at break increased by 29.1%, rebound rate Increased 4.9%, excellent physical and mechanical properties.