C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/32 (2006.01) C08K 9/10 (2006.01) D01D 5/247 (2006.01) H01B 3/30 (2006.01) H01B 7/02 (2006.01) H01B 11/18 (2006.01)
Patent
CA 2155328
The present invention provides improved compositions of expanded polytetrafluoroethylene (PTFE) and similar polymers and methods for forming and using such compositions. In its preferred embodiment, the present invention employs a mixture of PTFE and expandable thermoplastic microspheres. Through application of an energy source to the mixture, a coherent three dimensional expansion of PTFE can be achieved. The expanded mixture has many of the same beneficial properties of mechanically expanded PTFE and numerous properties previously unavailable with expanded PTFE products.
Hubis Daniel E.
Mcgregor Gordon L.
Minor Raymond B.
Mortimer William P. Jr.
Gowling Lafleur Henderson Llp
W. L. Gore & Associates Inc.
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