Electrically conductive polyimides containing silver trifluoroacetylacetonate

US5520960A · kind A · utility

Assignee

• The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · US

Inventors

• James D. Rancourt · Blacksburg, US
• Diane M. Stoakley · Yorktown, US
• Maggie L. Caplan · Sun City West, US
• Anne K. St. Clair · Poquoson, US
• Larry T. Taylor · Blacksburg, US

Key dates

• Filing date: Aug 3, 1994
• Grant date: May 28, 1996
• Expiry date: Aug 3, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D179/08
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

Polyimides with enhanced electrical conductivity are produced by adding a silver ion-containing additive to the polyamic acid resin formed by the condensation of an aromatic dianhydride with an aromatic diamine. After thermal treatment the resulting polyimides had surface conductivities in the range of 1.7.times.10.sup.-3 4.5 .OMEGA..sup.-1 making them useful in low the electronics industry as flexible, electrically conductive polymeric films and coatings.