Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 136, Issue 3, Pages -Publisher
WILEY
DOI: 10.1002/app.46977
Keywords
inkjet; isocyanate; polyurethane foams; porous; printing; reactive inkjet
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Funding
- Friedrich-Ebert-Foundation
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Reactive inkjet printing offers a direct way to create polymeric structures in situ on a substrate. Therefore, two component polyurethane formulations can be utilized to be used in multicomponent inkjet printing. In this contribution, the use of polyethylene glycol (M = 200 g mol(-1)), glycerol ethoxylate (M = 1,000 g mol(-1)), and water (blowing agent) in combination with aliphatic 1,6-hexamethylene diisocyanate or aromatic methylene diphenyl diisocyanate for reactive inkjet printing is evaluated. The inks are jettable on a Dimatix DMP-3000 inkjet printer using a 10 pL piezo driven drop-on-demand printhead showing stable droplet formation. Solid films on glass are formed using a drop-by-drop printing strategy. Layer-by-Layer strategy gives best results on polycarbonate substrates forming porous polyurethane structures. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 46977.
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