US Patent:
20160343465, Nov 24, 2016
Inventors:
- Saint Paul MN, US
Rhesa M. Browning - Austin TX, US
David V. Mahoney - Austin TX, US
Mitchell T. Huang - Austin TX, US
David S. Stankes - Austin TX, US
Martin H. Fox - Wiscasset ME, US
International Classification:
H01B 3/00
H01F 27/28
H01B 3/47
H01F 27/32
H01B 3/28
H01B 3/44
Abstract:
An article comprises an inorganic filler, fully hydrolyzed polyvinyl alcohol fibers, a polymer binder, and high surface area fibers. The article can be formed as an electrically insulating paper for electrical equipment, such as a liquid filled transformer, which can thereby be substantially cellulose free.