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xufeigao

金虫 (正式写手)

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There are two possible ways to enhance the surface roughness of a coating.
Firstly, by increasing the roughness of the substrate (e.g. by plasma
treatment, as surface topography significantly affects film
topography. This strategy usually demands either special equipment
or complex process control and is certainly not appropriate for the
protection of stone monuments.
The second approach is to increase the surface roughness without
affecting the substrate. In our previous work, silica nanoparticles were
dispersed in solutions of poly(methyl methacrylate) (PMMA) and
commercial polyalkylsiloxane (Rhodorsil 224) and the suspensions
were sprayed on glass surfaces giving them super-hydrophobic
properties (water contact angle N150°)
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gary8812

铁杆木虫 (著名写手)

xufeigao(金币+1, 翻译EPI+1): 2010-06-04 19:44:50
xufeigao(金币+1): 2010-07-01 11:39:39
有两种可能方法用来增大涂层的表面粗糙度。第一种,增大衬底的粗糙度(例如等离子处理),表面形貌显著地受薄膜形貌影响。这种方法常常需要特种设备或者复杂的工艺控制,并且对石碑的保护不合适。第二种方法是不影响衬底而增大表面粗糙度。在我们先前的工作中,硅石纳米粒子被分散在甲基丙烯酸甲酯和商用多烷基硅氧溶液中,混合液喷涂在具疏水性能(水接触角150°)的玻璃表面上
2楼2010-06-04 14:50:19
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