Stabilizing pigmented lacquers with zeolites
AssigneeBayer Aktiengesellschaft
InventorsFriedrich Kindervater, Gunter Ulisch, Theodor Bohmann, Manfred Mengel, Lothar Puppe
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Abstract
A lacquer comprising an organic binder, at least one pigment or filler, and a zeolite in an amount sufficient to increase the dispersibility of the pigment or filler. Advantageously the pigment is at least one of titanium dioxide, iron oxide and mixed-phase rutile, and the binder is a polyester. Desirably the pigment is present in from about 1 to 5% by volume of the pigment plus any filler and its average particle size is from about 1 to 3 .mu.m.
Claims6
A lacquer comprising a saturated polyester, at least one pigment or filler, and a crystalline zeolite in an amount sufficient to increase the dispersibility of the pigment or filler, the zeolite having an average particle size of about 0.5 to 5 .mu.m.
Dependencies are inferred from the claim text.