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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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聚氯乙烯/氧化石墨烯薄膜的力学性能和热稳定性能
Keywords: 有机高分子材料,聚氯乙烯,氧化石墨烯,力学性能,热稳定性
Abstract:
？通过溶液共混法制备了氧化石墨烯(go)分散均匀的聚氯乙烯(pvc)/go纳米复合薄膜,研究了薄膜的力学性能和热稳定性能。结果表明,微量go能大幅度提高pvc的模量和拉伸强度,且保持较高的断裂伸长率。在pvc中添加质量分数为0.12%的go,pvc的拉伸强度提高63%,杨氏模量提高20%；添加量为0.60%时,pvc的拉伸强度提高125%,杨氏模量提高126%。添加go还能提高pvc的起始分解温度、最大分解温度以及pvc的成碳量。go片层具有较高的强度和模量、go在高分子基体内的均匀分散、go和pvc之间较强的相互作用、go与pvc的层状结构,是其力学性能提高的主要原因。
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