pre-dispersion

The effect of micro and nano-sized particles on mechanical and adhesion properties of a clear polyester powder coating

In this study, the effect of various micro and nano-sized particles on the mechanical and adhesion prop-erties of a commercial non-pigmented polyester-TGIC powder coating was studied. Different coatingformulations containing various wt.% of aluminum hydroxide (alumina) particles, TiO2and two differenttypes of fumed silica nanoparticles were prepared via a two-stage process. Tensile strength measure-ments, DMTA analyses and vertical pull off adhesion test were conducted to evaluate mechanical andadhesion properties of the powder coating samples.

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