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US 8,846,812 B2Granted
Process for manufacturing fluoroelastomer compositions containing fluoroplastic fibrils
AssigneeE. I. Du Pont de Nemours and Company
InventorsChristopher J Bish, Kostantinos Kourtakis
Life of this patent
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Abstract
Disclosed herein is a process for the manufacture of a fluoroelastomer composition containing fluoropolymer fibrils. The process comprises applying shear to a fluoroelastomer gum in a mixer while adding a liquid dispersion of fibrillatable fluoropolymer.
Claims4
A cured fluoroelastomer article comprising:
- A) a fluoroelastomer;
- and
- B) 0.01 to 20 parts by weight, per hundred parts by weight of fluoroelastomer, of fluoroplastic fibrils having a diameter less than 100 nm, wherein said composition is free from fluoroplastic aggregates having a diameter greater than 500 nm.
Dependencies are inferred from the claim text.