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首页> 外文期刊>Polymer Composites >Preparation and Properties of Silica/Styrene Butadiene Rubber Masterbatches by Latex Co-Coagulating Technology
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Preparation and Properties of Silica/Styrene Butadiene Rubber Masterbatches by Latex Co-Coagulating Technology

机译：乳胶共混技术制备二氧化硅/苯乙烯丁二烯橡胶母料及其性能

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摘要

Silica/styrene butadiene rubber (SBR) masterbatches were prepared by co-coagulating SBR latex and silica aqueous suspension. The X-ray diffraction patterns and scanning electron microscopy were employed to characterize the microstructure of the composite. The content and utilization of silica of silica/SBR masterbatches were also investigated. The highest content of silica was achieved when amount of silica is 50 g. Then the cure characteristics, swelling ratio, thermal stability, and mechanical properties of vulcanizates prepared from the masterbatches were compared with those prepared by a conventional direct mixing method. The results revealed that higher maximum torque, shorter cure time, and better swelling resistance of silica/SBR masterbatches were obtained than conventional silica filled composites. The mechanical properties of silica/ SBR masterbatches exhibited greater tensile strength and hardness compared to the corresponding conventional mixes. Additionally, the silica/SBR masterbatches vulcanizates exhibited better abrasion resistance, rolling resistance and heat build-up to those of the conventional composite.
机译：二氧化硅/苯乙烯丁二烯橡胶（SBR）母料是通过将SBR胶乳和二氧化硅水悬浮液共凝聚而制得的。 X射线衍射图和扫描电子显微镜被用来表征复合材料的微观结构。还研究了二氧化硅/ SBR母料中二氧化硅的含量和利用率。当二氧化硅的量为50g时，二氧化硅的含量最高。然后，将由母料制备的硫化橡胶的固化特性，溶胀率，热稳定性和机械性能与通过常规直接混合方法制备的硫化胶进行比较。结果表明，与传统的二氧化硅填充复合材料相比，获得了更高的最大扭矩，更短的固化时间和更好的抗氧化性能。与相应的常规混合物相比，二氧化硅/ SBR母料的机械性能表现出更高的拉伸强度和硬度。此外，与传统复合材料相比，二氧化硅/ SBR母料硫化橡胶显示出更好的耐磨性，滚动阻力和热量积聚。

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