氧化石墨烯(Graphene oxide,GO)和石墨烯量子点(Graphene quantum dots,GQDs)与聚合物复合时的分散性较差,用Pickering乳液聚合法可有效解决该问题,这对于提升复合材料的功能性有重要意义。本文归纳了GO和GQDs的制备方法和结构模型,阐述了GO尺寸、离子强度、pH、GO和GQDs结构设计以及单体极性等因素对于GO和GQDs的两亲性调控及其用于Pickering乳液聚合的影响,总结了GO和GQDs用于Pickering乳液聚合的研究进展。GO和GQDs能否作为稳定剂用于Pickering乳液聚合主要与液-液、液-固界面的界面张力大小以及GO和GQDs能否自发地吸附在液-液界面有关,尺寸、离子强度、pH、亲疏水性等均可显著影响液-固界面的界面张力,单体的极性则决定了液-液和液-固界面的界面张力。通过改性、还原等手段对GO和GQDs进行修饰后,可赋予Pickering乳液聚合物导电、导热以及磁响应性等优异性能。最后对GO和GQDs稳定Pickering乳液的研究进行了展望。
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