Resistivity stable electrically conductive films formed from polythiophenes

A resistivity stable aqueous dispersion and a method for making an aqueous dispersion. The dispersion including polythienothiophene and at least one colloid-forming polymeric acid having a pH of from about 3 to about 10. The method includes preparing an aqueous dispersion containing polythienothioph...

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Hauptverfasser:	NORDQUIST ANDREW FRANCIS, JIANG XUEZHONG
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	A resistivity stable aqueous dispersion and a method for making an aqueous dispersion. The dispersion including polythienothiophene and at least one colloid-forming polymeric acid having a pH of from about 3 to about 10. The method includes preparing an aqueous dispersion containing polythienothiophene and adjusting the pH of the dispersion to a sufficiently high pH to provide resistivity stability. Devices utilizing layers formed of pH adjusted polythienothiophene are also disclosed.