材料科学
复合材料
炭黑
天然橡胶
极限抗拉强度
二硫化钼
填料(材料)
色散(光学)
磨损(机械)
延伸率
热稳定性
纳米复合材料
化学工程
光学
物理
工程类
作者
Zaheer Ul Haq,Muhammad Zia-Ul-Haq,Yang Jiang,Jin‐Yuan Wang,Yong Zhang
摘要
Abstract The filler‐rubber interaction and filler dispersion in natural rubber (NR) composites are important factors in determining mechanical properties. Herein, Molybdenum disulfide (MoS 2 ) and Al 2 O 3 ‐coated MoS 2 nanospheres are incorporated in NR/carbon black composites. The effects of MoS 2 and Al 2 O 3 ‐coated MoS 2 on the morphology, thermal and mechanical properties of the NR composites are investigated. The morphology analysis indicates that Al 2 O 3 ‐coated MoS 2 could greatly improve the dispersion of carbon black in NR composites. MoS 2 filler and carbon black show a synergetic effect on improving the properties of NR composites, leading to high abrasion resistance, tensile strength, elongation at break and expected dynamic mechanical properties. The thermal conductivity of NR composites increases with increasing the content of MoS 2 and Al 2 O 3 ‐coated MoS 2 . The thermal stability of the NR composites is also effectively improved by filling MoS 2 and Al 2 O 3 ‐coated MoS 2 . Furthermore, a small amount of Al 2 O 3 ‐coated MoS 2 significantly improves the abrasion resistance, wet grip and decreases rolling resistance of the composites. Al 2 O 3 ‐coated MoS 2 exhibits its potential application in green tires with good performance.
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