The Spreading of Inkjet‐Printed Droplets with Varying Polymer Molar Mass on a Dry Solid Substrate | Zendy

Perelaer Jolke | Zendy; Smith Patrick J. | Zendy; van den Bosch Erwin | Zendy; van Grootel Stephen S. C. | Zendy; Ketelaars Peter H. J. M. | Zendy; Schubert Ulrich S. | Zendy

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The Spreading of Inkjet‐Printed Droplets with Varying Polymer Molar Mass on a Dry Solid Substrate

Author(s) -

Perelaer Jolke,

Smith Patrick J.,

van den Bosch Erwin,

van Grootel Stephen S. C.,

Ketelaars Peter H. J. M.,

Schubert Ulrich S.

Publication year - 2009

Publication title -

macromolecular chemistry and physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.57

H-Index - 112

eISSN - 1521-3935

pISSN - 1022-1352

DOI - 10.1002/macp.200800569

Subject(s) - molar mass , polystyrene , polymer , evaporation , toluene , substrate (aquarium) , polymer chemistry , viscosity , chemical engineering , materials science , chemistry , analytical chemistry (journal) , composite material , chromatography , thermodynamics , organic chemistry , physics , oceanography , engineering , geology

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 droplet spreading and were found to fit with an error between 2 and 20% with the predictions. Furthermore, 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.

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