Method for preparing porous polyvinylidene fluoride super-hydrophobic coating layer

Abstract

The invention discloses a method for preparing a porous polyvinylidene fluoride super-hydrophobic coating layer. The method comprises the following steps: mixing polyvinylidene fluoride and N,N-dimethyl formamide, performing stirring, mixing the obtained transparent solution with perfluordecyl triethoxy silane, performing stirring, mixing the obtained perfluordecyl triethoxy silane mixed solutionwith composite nano titanium dioxide granules, performing stirring, performing ultrasonic treatment, and smearing or spraying the obtained porous polyvinylidene fluoride super-hydrophobic coating to asubstrate, so as to obtain a porous polyvinylidene fluoride super-hydrophobic coating layer. The method disclosed by the invention has the advantages of being simple in process, convenient to operate, cheap in raw material, easy in industrial production, and the like, and the super-hydrophobic coating layer which is excellent in super-hydrophobic performance, good in ice resistance and wind resistance, good in weather resistance and good in adaptability can be prepared in a large scale, can be widely applied to anti-ice treatment on fan blades, has great significances for improving the performance and increasing the power generation capacity of a wind turbine generator, and has high use value and good application prospects.

Description

technical field [0001] The invention belongs to the technical field of super-hydrophobic coatings, and relates to a method for preparing a porous polyvinylidene fluoride super-hydrophobic coating. Background technique [0002] In recent years, natural energy resources such as coal and oil have been decreasing due to the large amount of energy resources consumed in industry and daily life. In order to solve the energy crisis, wind power projects have attracted much attention. In a wind power generation system, wind turbine blades are an important part of obtaining wind energy. However, wind turbine blades exposed to cold climates are often found to develop icing. Ice that forms on wind turbine blades can cause serious problems if not removed in time. [0003] In order to ensure the maximum reliability of wind turbine blades and reduce economic losses caused by icing, there are currently the following two methods to reduce or eliminate the phenomenon of ice accumulation on ...

AI Technical Summary

Problems solved by technology

[0004] At present, the methods for preparing superhydrophobic coatings include: sol-gel method, plasma fluorination method, electrospinning method, etc. However, although the coatings prepared by these methods are effective, the manufacturing process is complicated and the cycle is long. Long, for equipment with a large demand such as fan blades, the requirements for the preparation methods of the existing superhydrophobic coatings, therefore, how to prepare fan blades in a simple, convenient, low-cost, high-efficiency, large-scale The super-hydrophobic coating is very important for improving the performance and power generation of wind turbines

Images