Talc particulate and uses thereof
AssigneeImertec SAS
InventorsJean-Sebastien Mas, Jerome Crepin-Leblond
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Abstract
There is disclosed a talc particulate having a d50 of from about 0.5 to 5.0 μm and comprising less than about 500 ppm of particles having a particle size of equal to or greater than 45 μm and a shape factor equal to or greater than about 40. A process for making the talc particulate is also disclosed. The talc particulate may be used in polymer compositions as a filler from which polymer composites and articles may be formed.
Claims7
A processed talc particulate having a d50 of from about 0.5 to 5.0 μm, having a shape factor equal to or greater than about 40, having a d95 from 7.0 to 12.0 μm, having a steepness equal to or greater than 30.0, and comprising less than about 500 ppm of particles having a particle size of equal to or greater than 45 μm.
Dependencies are inferred from the claim text.