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相分离对SiO2薄膜粗糙度的影响
INFLUENCE OF PHASE SEPARATION ON SURFACE ROUGHNESS OF SiO2 THIN FILM
【Author】 Hou Hefeng Tian Hui Chen Yuqing (School of Material Science and Engineering, Shandon Institute of Light Industry, 250100)
【机构】 山东轻工业学院材料科学与工程学院；
【摘要】 用氨水做催化剂配制碱溶胶,用盐酸做催化剂配制酸溶胶,在酸、碱混合溶胶中添加聚丙稀酸(PAA)引发相分离,通过添加不同含量的PAA,制备出具有不同粗糙度的透明薄膜,随后经过三甲基氯硅烷(TMCS)修饰,具有疏水性能和不同的疏水效果。
【Abstract】 Hydrophobic silica-based thin films were prepared by means of sol-gel process, phase separation and self-assembly (SA). A thin film with desired surface roughness was obtained by mixture of HCI-catalyzed acid sol with NH4OH-catalyzed alkaline sol and phase separation of tetraethyl-orthosilicate (TEOS) induced by addition of polyacrylic acid (PAA). After further modification by a self-assembled monolayer, the film’s wetting properties changed and became hydrophobic. Films with different PAA content showed different hydrophobicity.
- 【会议录名称】 中国硅酸盐学会陶瓷分会2006学术年会论文专辑（上）
- 【会议名称】中国硅酸盐学会陶瓷分会2006学术年会
- 【会议时间】2006-11
- 【会议地点】中国浙江杭州
- 【分类号】O613.72
- 【主办单位】中国硅酸盐学会陶瓷分会