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STUDY ON THE SURFACE PROPERTIES OF MOLECULAR DEPOSITION (MD) FILMS CONSTRUCTED BY POLYELECTROLYTES (PSS/PDDA) ON QUARTZ SUBSTRATES
Author(s): 
Pages: 837-840
Year: Issue:  6
Journal: ACTA POLYMERICA SINICA

Keyword:  聚苯乙烯磺酸钠(PSS)聚二烯丙基二甲基氯化铵(PDDA)分子沉积(MD)膜表面性质;
Abstract: PSS/PDDA MD膜紫外-可见吸光度与层数呈线性关系,其延长线基本为零证实了是一单分子层层状沉积过程;利用接触角测量仪跟踪MD膜沉积过程,其结果表明,层数较少时PSS/PDDA MD膜表面润湿性呈"奇-偶"性规律变化,层数较多时规律性不明显,这说明聚电解质MD膜结构缺陷随着层数的增加有增大趋势;通过对原子力显微镜(AFM)测定结果的分析,进一步证实了多层PSS/PDDA MD膜存在结构缺陷.
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