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Keywords:

  • conductivity;
  • ink-jet printing;
  • polyacetylenes;
  • polymers;
  • surface patterning
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Laterally structured polymer patterns are prepared by ink-jet printing of a coordination polymerization catalyst. This enables the direct preparation of patterns of polyacetylene, as an example of an insoluble, intractable and, thus, difficult-to-process polymer. Circuit paths are prepared on flexible substrates, exemplified by a functioning 4 × 4 calculator keypad.