abstract |
Magnetic particles which have an average particlensize of from 10 to 200 µm and which comprise:n magnetic core particles; and a coating layer on the surface of said magnetic corenparticles, which coat comprises at least one silane-basedncoupling agent,a silicone resin and at leastnone metal alkoxide represented by the generalnformula (I) :n (RO) n M n wherein R is a C 1 to C 16 alkyl group; M is Al, Ti,nNa, n K, Ca, Zn or Fe; and n is an integer of from 1 to 4. |