Re: Polymer coatings for magnetic particles about 100 microns in size

From: Dr. Mike (mfeather_at_san.rr.com)
Date: 01/16/05


Date: 15 Jan 2005 19:38:19 -0800

Michael Hopper wrote:
> I am interested in finding out how to coat magnetic particles (mostly
iron
> based) that are between 50 and 150 microns in diameter. I would like
a
> process that allowed the coating to completely cover the exposed
surface or
> only cover about 40% of the surface. It would be great if the
polymeric
> material could be varied such that it was halide rich (fluorinated
polymer)
> or an amino polymer. An organic solvent free process is preferred.
>
> mike

Try agitating the particles in a Parylene chamber. Formulations include
Cl and F. Completely solvent free.