氧化石墨烯增强交联聚乙烯醇薄膜

Journal of Hebei Normal University of Science & Technology(2018)

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Abstract
采用改进的Hummers法制取氧化石墨烯,以重铬酸铵为光敏剂,氧化石墨烯为增强体,与聚乙烯醇共混,制备了聚乙烯醇/重铬酸铵/氧化石墨烯复合材料薄膜.采用紫外-可见分光光度计、傅里叶变换红外光谱仪等仪器,对氧化石墨烯及其复合材料进行表征和性能测试.结果表明,氧化石墨烯可以在不影响聚乙烯醇本身结构的条件下与聚乙烯醇交联;少量的重铬酸铵会使聚乙烯醇的热稳定性提高;少量的氧化石墨烯可以使交联聚乙烯醇薄膜的热稳定性和韧性都有所提高.
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