Blending of polymeric materials and fillers
AssigneeUniroyal Chemical Company, Inc.
InventorRichard W. Tomlinson
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Abstract
Disclosed are methods for the formation of a free flowing polymer/filler masterbatch powder, in which a polymer and filler are intimately mixed for a time and under shear conditions sufficient to convert the combination into a free flowing associated composition of polymer and filler.
Claims20
A method for the formation of a free flowing polymer/filler powder, which method comprises intimately mixing in an internal mixer a polymer and a filler wherein the volume loading of said internal mixer is in a range of from 25 to 71 percent for a time of from one to five minutes under shear conditions sufficient to convert the components into a free flowing associated composition of polymer and filler.
Dependencies are inferred from the claim text.