such as substrates based on wood plastics and paper and other substrates based for example on glass and ceramics depending upon the requirements placed upon the coated substrate the surface of the substrate may be subjected to a mechanical treatment such as blasting followed by in case of metal substrates acid rinsing or cleaning followed by chemical treatment the powder coating composition of this invention may be applied by e g electrostatic spraying electrostatic brushing thermal or flame spraying fluidized bed coating methods flocking tribostatic spray application and the like also coil coating techniques all of which are known to those skilled in the art prior to applying the coating composition of the invention the substrate may be grounded but not pre heated so that the substrate is at an ambient temperature of about 25 u00b0 c 77 u00b0 f in certain applications the substrate to be coated may be pre heated before the application of the powder composition according to the invention and then either heated after the application of the powder composition or not for example gas is commonly used for various heating steps but other methods e g microwaves infra red ir near infra red nir and or ultra violet uv irradiation are also known the pre heating can be to a temperature ranging from 60 to 260 u00b0 c 338 to 500 u00b0 f using means familiar to a person of ordinary skill in the art after being applied the coating can be cured or post cured by exposing by convective gas and or radiant heating e g ir and or nir irradiation as known in the art to temperatures of e g 100 u00b0 c to 300 u00b0 c 212.