聚丙烯
材料科学
天然橡胶
复合材料
热塑性弹性体
硫化
极限抗拉强度
热稳定性
聚合物混合物
增容
热塑性塑料
复合数
弹性体
聚合物
共聚物
化学工程
工程类
作者
Tai‐Chin Chiang,Huanli Liu,Lung‐Chang Tsai,Tao Jiang,Ning Ma,Fang‐Chang Tsai
标识
DOI:10.1038/s41598-020-59191-0
摘要
Abstract The binary blend materials containing the modified recycled rubber powder with maleic a hydride modified polypropylene thermoplastic elastomer were prepared by dynamic vulcanization and blended with a variety of additives such as activated agent, accelerator, solubilizer, and the crosslinking agent. The thermal properties and mechanical properties including tensile strengths and impact strengths of pristine rubber, polypropylene and their corresponding binary blends were investigated. Besides, the effects of the amount of rubber powder, polypropylene, crosslinking agent, accelerator, activator, and solvent were studied and the microstructures of the pristine rubber, pristine polypropylene, and their corresponding binary blends were observed by scanning electron microscopy. It was found that the compatibilizer could effectively disperse the size of 120 mesh of recycled rubber powder into the polypropylene in the same manner and the homogeneous tear section of the rubber/polypropylene thermoplastic elastomer was obtained. The results on the effects of additives on mechanical and morphological properties of recycled rubber/polypropylene binary blends guide the rational design of novel polymeric composites from recycled polymeric materials.
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