Advanced Materials · 2004 · 1.9K citations · 61 references
Natural SciencesMaterials EngineeringMaterials SciencePolymer ChemistryPolymer EngineeringPolymer Materials3D PrintingPolymer CharacterizationPolymer Physical ChemistryPolymer PhysicsPolymer ProcessingPolymer RheologyControlled Drug ReleaseControlled ReleaseInkjet DepositionPolymers In Drug FormulationPrintabilityRheology Of Polymer SolutionsViscoelastic Fluid FlowViscoelasticity Of Polymer Solutions
Inkjet printing is a key technology for defined polymer deposition, and studies of viscoelastic fluid jets show that strain hardening governs the printability of polymer solutions. This article introduces inkjet printing technology and provides a concise overview of available instrumentation. The authors illustrate polymer inkjet printing through examples such as multicolor polymer LEDs, polymer electronics, 3‑D printing, and oral dosage forms, emphasizing polymer structure, molar mass, solvents, and concentration. Strain hardening is identified as the critical parameter determining the printability of polymer solutions in inkjet jets.
Abstract Inkjet printing is considered to be a key technology in the field of defined polymer deposition. This article provides an introduction to inkjet printing technology and a short overview of the available instrumentation. Examples of polymer inkjet printing are given, including the manufacturing of multicolor polymer light‐emitting diode displays, polymer electronics, three‐dimensional printing, and oral dosage forms for controlled drug release. Special emphasis is placed upon the utilized polymers and conditions, such as polymer structure, molar mass, solvents, and concentration. Studies on viscoelastic fluid jets and the formation of viscoelastic droplets under gravity indicate that strain hardening is the key parameter that determines the inkjet printability of polymer solutions.
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