US 7,569,158 B2
Aqueous dispersions of polythienothiophenes with fluorinated ion exchange polymers as dopants
Francis Joseph Waller, Allentown, Pa. (US); John Bartram Dickenson, North Wales, Pa. (US); Xuezhong Jiang, Fogelsville, Pa. (US); and Roy Daniel Bastian, Bethlehem, Pa. (US)
Assigned to Air Products and Chemicals, Inc., Allentown, Pa. (US)
Filed on Oct. 03, 2005, as Appl. No. 11/240,573.
Claims priority of provisional application 60/665026, filed on Mar. 24, 2005.
Claims priority of provisional application 60/618471, filed on Oct. 13, 2004.
Prior Publication US 2006/0076557 A1, Apr. 13, 2006
This patent is subject to a terminal disclaimer.
Int. Cl. H01B 1/12 (2006.01)
U.S. Cl. 252—500 22 Claims
OG exemplary drawing
 
1. An aqueous dispersion comprising polythienothiophene, at least one hydroxide, at least one colloid-forming polymeric acid, and mixtures thereof; wherein the colloid-forming polymeric acid comprising at least one fluorinated sulfonic acid polymer, and the amount of said at least one hydroxide is sufficient to adjust the pH of the dispersion to above 3.0;
wherein said polythienothiophene comprises the following structure:

OG Complex Work Unit Drawing
Wherein R1 and R2 are independently selected from the group consisting of H, alkyl group having 1 to 8 carbon atoms, phenyl, substituted phenyl, CmF2m+1, F, Cl, and SF5, and n is greater than about 2 and less than 20.