Patents Assigned to E.I. DEUPONT DE NEMOURS AND COMPANY
  • Fluoroelastomer compounds
    Patent number: 11078354
    Abstract: The present invention is directed to compounds comprising a perfluoroelastomer and a blend of two different particle size carbon blacks that, when cured with a curing agent, comprise a heterocyclic or perfluorinated crosslink. Such compounds comprise copolymerized units of unsaturated fluorinated olefins, a perfluoro(vinyl ether), and a cure site fluorinated monomer having a nitrile cure site, plus a blend of carbon blacks. Articles cured from these compounds exhibit improved sealing force.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: August 3, 2021
    Assignee: E.I. DEUPONT DE NEMOURS AND COMPANY
    Inventor: Christopher J. Bish