The spreading of inkjet-printed droplets with varying polymer molar mass on a dry solid substratery Solid Substrate

J. Perelaer, P.J. Smith, E. Bosch, van den, S.C. van Grootel, P.H.J.M. Ketelaars, U.S. Schubert

Research output: Contribution to journalArticleAcademicpeer-review

57 Citations (Scopus)

Abstract

An experimental study on the spreading of inkjet printed droplets of a polystyrene/toluene solution with varied molar masses on solid dry surfaces is presented. The polymer's number- averaged molar mass was varied between 1.5 and 545 kDa, which also caused a variation in the viscosity from 0.6 to 1.7 mPa· s. The results were compared with theoretical models for dro plet spreading and were found to fit with an error between 2 and 20% with the predictions. Further more, the in-flight evaporation of the free-falling droplet was investigated for polystyrene/toluene solutions that have a constant vapor pressure by printing from a systematically increased height. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA.
Original languageEnglish
Pages (from-to)495-502
JournalMacromolecular Chemistry and Physics
Volume210
Issue number6
DOIs
Publication statusPublished - 2009

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