Abstract
以氯丁橡胶(CR)作为基料，碳纤维作为填充物，研究5 mm碳纤维(CF)加入氯丁橡胶的力学性能、老化性能和阿克隆磨耗性能的变化。在氯丁橡胶母炼胶(CR 100份，ZnO 5份，MgO 4份，SA 1份，DM 0.5份，NA-22 2份)基础上分别填充不同量的CF (0，5，10，15，20，25份)制备复合橡胶材料，并对此材料进行力学、老化和磨耗性能的测试。结果表明CF对CR的性能具有较大的影响，随着碳纤维的加入橡胶的邵氏A硬度、300%定伸应力和撕裂强度提高，尤其是复合材料具有优异的耐热老化性能，硬度、拉伸强度、撕裂强度、定伸应力均增加。而阿克隆磨耗性能随碳纤维量(5~25份)的从增加呈下降趋势。 The effect of 5 mm carbon fibers (CF) on the mechanical and hot-oxygen aging properties, and Akron abrasion performance of chloroprene rubber (CR) has been studied in this paper. Rubber composites were prepared with CF varying from 0, 5, 10, 15, 20, and 25 phr based on the rubber blend of CR (CR 100 phr, ZnO 5 phr, MgO 4 phr, SA 1 phr, DM 0.5 phr, NA-22 2 phr). Their properties including physical and mechanical strength, thermal aging performance and akron abrasion loss were tested. The results show that CF has great effect on the properties of CR. With the addition of CF, the Shore A hardness, 300% modulus and tear strength increase. Especially, rubber composites with CF have good thermal aging resistance, hardness, tensile strength, tear strength and modulus increase. Akron abrasion performance shows a downward trend with the content of CF varying from 5 to 25 phr.
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