Powder coating composition containing a resin, a curing agent and zinc
AssigneeAkzo N.V.
InventorDominique Durand
Life of this patent
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Abstract
The present invention relates to an improved powder coating composition comprising (a) a resin, (b) a curing agent and (c) zinc, wherein the zinc is a mixture of (c1) lamellar zinc and (c2) zinc dust.
Claims9
An anticorrosive powder coating composition consisting essentially of (a) a resin, (b) a curing agent and (c) zinc, wherein the zinc is a mixture of (c1) about 10-35% by weight lamellar zinc and (c2) about 10-35% by weight zinc dust, percent by weight being based upon the total weight of (a), (b) and (c).
In an anticorrosive powder coating composition consisting essentially of (a) a resin, (b) a curing agent and (c) zinc, the improvement being wherein said 10-35 wt. % of the total composition of zinc consisting essentially of a mixture of 10-35 wt. % of the total composition of zinc dust and lamellar 10-35 wt. % of the total composition of zinc.
Dependencies are inferred from the claim text.