利用等离子体对废橡胶胶粉(SRP)进行了表面处理,并将其与聚氯乙烯(PVC)进行共混,研究了等离子体处理前后胶粉/PVC复合材料的结构和性能.结果表明,胶粉等离子体改性后,不仅提高了胶粉与PVC之间的粘接强度,而且提高了PVC/SRP复合材料的力学性能.采用氧等离子处理2 min后,PVC/SRP复合材料具有较好的力学性能.扫描电镜观察(SEM)表明,未处理胶粉/PVC复合材料的冲击断裂形貌表现为胶粉的脱落;等离子体处理后胶粉/PVC复合材料冲击断裂形貌则表现为胶粉的本体破坏.
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