Bayer Patents water-

August 11, 2005

Bayer Patents water-
dispersible Powders
Patent No. Europe 1,337,772 A
Bayer has been granted a patent for storage-stable, water-dispersible polymeric powders, for use in electrically conductive coatings. The powder is comprised of a polymer of thiophene and polystyrene sulphonic acid prepared by mixing a polymeric dispersion or solution with organic precipitant of salt or compound which forms azeotrope with water

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