Tan Xin*,Li Xinyi,Wu Yinglin,et al.Simple and large size method for preparing superhydrophobic silicone rubber coating[J].Plating & Finishing,2023,(10):90-96.[doi:10.3969/j.issn.1001-3849.2023.10.015]
简单且大尺寸超疏水硅橡胶涂层的制备
- Title:
- Simple and large size method for preparing superhydrophobic silicone rubber coating
- Keywords:
- super-hydrophobic ; silicone rubber ; silane coupling agent ; large size preparation
- 分类号:
- TQ178
- 文献标志码:
- A
- 摘要:
- 采用疏水气相纳米二氧化硅构建粗糙结构，双组分室温硫化硅橡胶（ RTV - 2 ）作为黏合剂增加涂层的机械性能，制备的涂层水接触角达到 155.5 ° ，滚动角达到 8 ° 。加入硅烷偶联剂（ KH-570 ）对涂层疏水改性后，涂层水接触角达到 160.5 ° ，滚动角达到 4 ° 。采用自清洁实验、机械性能实验、耐气候老化实验对涂层性能进行了测试，结果表明涂层具有良好的自清洁、机械性能高、耐气候老化等优点。涂层实验步骤简单、药品经济型高、不需要高温固化。室温下 2 h 可以完成涂层制备的全过程，适用于大尺寸制备。实验方案为超疏水涂层商用化提供了一定的思路。
- Abstract:
- ： The rough structure of the coating was constructed by hydrophobic vapor nano-silica ， and the mechanical properties of the coatings were increased by using two-component silicone rubber （ RTV-2 ） as adhesive. The hydrophobic angle of the prepared coating reached 155.5 ° and the rolling angle reached 8 °. After adding silane coupling agent （ KH-570 ） to the hydrophobic modification of the coating ， the hydrophobic angle of the coating reached 160.5 ° and the rolling angle reached 4 °. The coating properties were tested by self-cleaning experiment ， mechanical property experiment and weather-aging resistance experiment. The results showed that the coating had the advantages of good self-cleaning ， high mechanical property and weather-aging resistance. The coating experiment was simple ， economical and did not require high temperature curing. The whole process of coating preparation can be completed in 2 h at room temperature ， which was suitable for large size preparation. The experimental scheme can provide some references for the commercialization of superhydrophobic coatings.
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备注/Memo
收稿日期： 2022-12-06 修回日期： 2023-03-01 * 通信作者： 谭鑫（ 1995 —），男，硕士研究生， email ： 2252341327@qq.com