Patent · US Expired

Preparation of base-type conducting polymers

US4806271A · kind A · utility

37Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 1987
Grant dateFeb 21, 1989
Priority date
Expiry dateFeb 11, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/0266
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Production of base-type conductive polymers, particularly from the family of conductive polyaniline, by reacting a base-type non-conductive polymer containing carbon-nitrogen linkages, e.g., polyaniline, with a cation donor compound, such as R.sub.2 SO.sub.4, R'SO.sub.2 Cl or R".sub.3 SiCl, where R, R' and R" are alkyl or aryl, such as dimethyl sulfate or tosyl chloride, and forming an electrically conductive polymer in which the R groups of R.sub.2 SO.sub.4, the R'SO.sub.2 groups of R'SO.sub.2 Cl, or the R".sub.3 Si groups of R".sub.3 SiCl are covalently linked to the nitrogen atoms of the polymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.