Non-dusting effect pigment preparation
AssigneeSun Chemical Corporation
InventorsJonathan Doll, Steven Johnson, Christopher Miller
Life of this patent
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Abstract
A pigment pellet preparation, comprises one or more effect pigment and one or more thermosetting resin. The effect pigment is dispersed in the thermosetting resin. The thermosetting resin has 3 or more reactive terminal groups and has an acid number from about 10 to about 50 mg KOH/g resin. The preparation comprises from about 70% to about 90% by weight of one or more effect pigment and from about 5% to about 35% by weight of one or more thermosetting resin. The pigment and thermosetting resin comprise about 95% or more of the preparation. The pellets have a diameter of about 0.5 mm to about 5 mm and a length of about 1 mm to about 5 cm.
Claims19
A pigment pellet preparation comprising an effect pigment material dispersed in a thermosetting resin material, wherein the effect pigment material comprises one or more effect pigment and the thermosetting resin material comprises one or more thermosetting resin,
- wherein the one or more thermosetting resin has 3 or more reactive terminal groups and the thermosetting resin material has an acid number from about 10 to about 50 mg KOH/g resin,
- wherein the preparation comprises from about 70% to about 90% by weight of the one or more effect pigment,
- wherein the preparation comprises from about 5% to about 30% by weight of the one or more thermosetting resin,
- wherein the preparation comprises the effect pigment material and thermosetting resin material in a combined amount of about 95% or more by weight, and
- wherein the pellets have a diameter of about 0.5 mm to about 5 mm and a length of about 1 mm to about 5 cm.
Dependencies are inferred from the claim text.