| APTES湿法修饰对绢云母粉末粗糙表面张力的影响 |
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| 引用本文： | 江国栋,沈晓冬,王庭慰. APTES湿法修饰对绢云母粉末粗糙表面张力的影响[J]. 陶瓷科学与艺术, 2010, 32(4): 18-22 |
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| 作者姓名： | 江国栋 沈晓冬 王庭慰 |
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| 作者单位： | 南京工业大学材料科学与工程学院,江苏南京210009 |
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| 基金项目： | 南京市科技计划基金资助项目(200507011) |
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| 摘 要： | 对绢云母（Sericite）粉末进行硅烷偶联剂湿法处理,采用Washburn法测量了经不同浓度的硅烷偶联剂修饰后的绢云母粉末的表面张力.修饰后的绢云母粉末的表面张力具有周期性的变化,且波峰与波谷随着3-氨基丙基三乙氧基硅烷（APTES）用量的增加而增大.利用比表面仪（BET）和激光粒度仪,获得绢云母粉末表面的粗糙度为17.5,且根据Wenzel和Cassie复合方程,获得液体与粗糙表面接触的投影面积分数f2为0.103,在绢云母粉末表面的单分子层APTES密度为1.82×1018个/m2.
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| 关 键 词： | 3-氨基丙基三乙氧基硅烷 表面张力 绢云母 自组装 |
Effect of 3-aminopropyltriethoxysilane on tesion of rough sericite powder by wet modification |
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| JIANG Guo-dong,SHEN Xiao-dong,WANG Ting-wei. Effect of 3-aminopropyltriethoxysilane on tesion of rough sericite powder by wet modification[J]. Ceramics Science & Art, 2010, 32(4): 18-22 |
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| Authors: | JIANG Guo-dong SHEN Xiao-dong WANG Ting-wei |
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| Affiliation: | JIANG Guo-dong,SHEN Xiao-dong,WANG Ting-wei(College of Materials Science and Technology,Nanjing University of Technology,Nanjing 210009,China) |
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| Abstract: | The sericite powder modified in 3-aminopropyltriethoxysilane(APTES)/alcohol solution was measured by the surface energy-meter.The results showed that the surface tension of silanized sericite powder periodically changed with the increased of concentration of APTES.Using Nitrogen adsorption specific surface area(BET) and laser diffraction particle size analyzers,the surface roughness of sericite powder was 17.5.The projective area fraction of the liquid wetting with the prominent part of sericite powder was ... |
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| Keywords: | 3-aminopropyltriethoxysilane surface energy sericite self-assembly |
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