交联氧化石墨烯/海藻酸钙共混膜的制备与性能表征

Preparation and Properties Cross-linked Graphene Oxide/Calcium Alginate Blend Films

用环氧氯丙烷成功地制备出氧化石墨烯/海藻酸钙(环氧氯丙烷交联)共混膜。并通过红外光谱(FT-IR)、力学性能测试、膨胀性能测试和导电性测试对共混膜的结构和性能进行了表征与测试。结果表明,环氧氯丙烷与共混膜中的羟基发生了交联反应,环氧氯丙烷的交联作用提高了共混膜的抗张强度和膨胀性能,再经硼氢化钠还原后显著地提高了共混膜的导电性能。

The cross-linked graphene oxide/calcium alginate blend films were prepared with epichIorohydrin as a crosslinking agent. The structure and properties of blend films were studied by infrared spectra （FT-IR）, measurements of mechanical properties, expansion properties and electrical conductivity. The results indicated that epichIorohydrin happened cross-linked reaction with the hydroxyl groups of blend films; The measurement of mechanical and expansion properties properties showed that the tensiIe strength of the crosslinked films was improved, the electrical conductivity of cross-linked blend films was significantly improved after sodium borohydride reduction.