用原子力显微镜AFM、光电子能谱仪XPS等研究了组装在再生纤维素基质(cel)表面的N-β-氨乙基-γ-氨丙基聚二甲基硅氧烷(ASO-1)的膜形貌、表面相化学组成及疏水性.结果发现,受基质表面不平整性的影响,组装在cel表面的氨基硅膜(ASO-1/cel),微观上会表现出一种类似于基质的粗糙形貌.而XPS分析和接触角测定结果表明,ASO-1/cel表面强烈疏水,在其表层明显存在由氨基硅ASO-1所产生的Si2p、Cls、Nls和Ols XPS峰.据此推测,ASO-1在cel表面的定向排列成膜方式为:硅甲基朝外伸向空气、Si-O偶极键以及极性氨基指向基质界面.
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