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Electrical condition monitoring method for polymers

United States Patent

August 19, 2008
View the Complete Patent at the US Patent & Trademark Office
An electrical condition monitoring method utilizes measurement of electrical resistivity of an age sensor made of a conductive matrix or composite disposed in a polymeric structure such as an electrical cable. The conductive matrix comprises a base polymer and conductive filler. The method includes communicating the resistivity to a measuring instrument and correlating resistivity of the conductive matrix of the polymeric structure with resistivity of an accelerated-aged conductive composite.
Watkins, Jr.; Kenneth S. (Dahlonega, GA), Morris; Shelby J. (Hampton, VA), Masakowski; Daniel D. (Worcester, MA), Wong; Ching Ping (Duluth, GA), Luo; Shijian (Boise, ID)
Polymer Aging Concepts Inc. (Dahlonega, GA)
10/ 506,518
March 5, 2003
This application resulted, in part, from research funded by the U.S. Department of Energy. Certain rights for any intellectual property resulting from this application may apply to the Government of the United States.