Abstract
Abstract POSS-coated wollastonite composite particles were prepared by the liquid phase mechano-chemical grinding of wollastonite and POSS powder together in the high pressure homogenizer [1, 2, 3, 4] for the first time. And then we prepare UV curable coatings of vinyl trimethoxy silane(VTMS) / butyl acrylate (BA) with different content of composite particles [5]. Nuclear magnetic resonance spectroscopy, scanning electron microscopy and infrared spectra were used to investigate the microstructures and morphologies of the composite. The properties of the coatings are tested by FTIR, SEM, water contact angles and so on. The results indicate that the POSS was successfully loaded on the surface of silica fume to prepare composite particles and when the addition of the composite particles is 12%, the water contact angle of the UV curable coating reaches 151.96∘, and the mechanical properties of the coating are also qualified.
Highlights
In recent years, the super-hydrophobic material has attracted much interest
POSS-coated wollastonite composite particles were prepared by the liquid phase mechano-chemical grinding of wollastonite and POSS powder together in the high pressure homogenizer [1,2,3,4] for the first time
The results indicate that the POSS was successfully loaded on the surface of silica fume to prepare composite particles and when the addition of the composite particles is 12%, the water contact angle of the UV curable coating reaches 151.96∘, and the mechanical properties of the coating are qualified
Summary
The super-hydrophobic material has attracted much interest. Because it has the unique properties like self-cleaning, super-hydrophobic and other surface properties, and it has potential application value in. Under the condition of liquid medium (mainly water), the liquid phase mechanochemical method is a new method of preparing the coated composite particle material by activating the solid particles by mechanical grinding and triggering the interfacial reaction of the particles. This method can solve the problems existing in the solidphase mechanochemical method [18, 19]. The binding degree between the core and shell particles increased This is a new method to prepare composite particles
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