#$%^&*AU2012203203A120120621.pdf#####Abstract A method for depositing a coating comprising a polymer and impermeable dispersed solid on a substrate, comprising the following steps: discharging at least one 5 impermeable dispersed solid in dry powder form through a first orifice discharging at least one polymer in dry powder form through a second orifice depositing the polymer and/or impermeable dispersed solid particles onto said substrate, wherein an electrical potential is maintained between the substrate and the impermeable dispersed solid and/or polymer particles, thereby forming said coating and sintering said coating under 10 conditions that do not disrupt the activity and/or function of the substrate. A similar method is provided for depositing a coating comprising a hydrophobic polymer and a water-vapor-trapping material on a substrate.
