Powder coating compositions and their use
AssigneeCourtaulds Coatings (Holdings) Limited
InventorsKevin J. Kittle, Paul F. Rushman
Life of this patent
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Abstract
A power coating composition comprises at least one film-forming polymeric material and has dry-blended therewith two or more dry-blended additives selected from solid, particulate, inorganic, water-insoluble materials which may be ceramic or mineral materials and/or may be oxides, mixed oxides, hydrated oxides, hydroxides, oxide-hydroxides or oxysalts of metals and metalloids, at least 95% by volume of the powder coating composition having a particle size not exceeding 50 microns.
Claims35
A powder coating composition which comprises at least one film-forming polymeric material and which has dry-blended therewith two or more additives selected from the group consisting of solid, particulate, inorganic, water-insoluble materials which may be ceramic or mineral materials and/or may be oxides, mixed oxides, hydrated oxides, hydroxides, oxide-hydroxides or oxysalts of metals and metalloids, at least 95% by volume of the powder coating composition having a particle size not exceeding 50 microns.
Dependencies are inferred from the claim text.