Ink-jet Printing Polymers and Polymer Libraries Using Micropipettes

  • De Gans B
  • Kazancioglu E
  • Meyer W
 et al. 
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Summary: A study is presented on ink-jet printing polymers, aiming at library generation for combinatorial material science applications, using (optimized) micropipettes. Solvents were successfully ink-jet printed, up to 160 mPa s viscosity. Printability of polymer solutions decreases strongly with $\overline M _{\rm w}$ and polymer concentration, due to elastic stresses originating from elongational flow in the pipette nozzle. The feasibility of ink-jet printing to generate arrays of polymer dots and films was demonstrated. An array of square films is shown that was created by printing a solution containing polydisperse polystyrene in acetophenone and 0.1% disperse red 1 to improve the contrast.

Author-supplied keywords

  • Films
  • Ink-jet printing
  • Micropipettes
  • Molecular weight distribution/molar mass distribution
  • Polymer libraries

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