Functional Ink Formulation
Functional Ink Formulation - Related Videos
10:31
Diffuse Reflectance Infrared Spectroscopic Identification of Dispersant/Particle Bonding Mechanisms in Functional Inks
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Cited by 11 •
2015
Formulation of stable, functional inks is critical to expanding the applications of additive manufacturing. In turn, knowledge of the mechanisms of dispersant/particle bonding is required for effective ink formulation. Diffuse Reflectance Fourier Transform Infrared Spectroscopy (DRIFTS) is presented as a simple, inexpensive way to gain insight into these mechanisms.
10:49
Planar and Three-Dimensional Printing of Conductive Inks
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Cited by 58 •
2011
Planar and three-dimensional printing of conductive metallic inks is described. Our approach provides new avenues for fabricating printed electronic, optoelectronic, and biomedical devices in unusual layouts at the microscale.
03:07
India Ink Inflation: A Staining Method to Visualize Tumor Nodules
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2023
This video describes india ink inflation--a staining method--to quantify tumor nodules in tumor-bearing mouse lungs. After staining, the lungs are fixed in Fekete's solution to observe tumor nodules in the lungs.
13:16
Intravascular Perfusion of Carbon Black Ink Allows Reliable Visualization of Cerebral Vessels
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Cited by 16 •
2013
Analysis of rodent cerebrovascular anatomy plays an important role in experimental stroke research. In this context, intravascular perfusion with colored latex has been considered as a standard tool for several years. However, this technique implies distinct technical limitations, which undermine its reproducibility. Here, we describe a simple method to visualize cerebral vessels in a reproducible manner. Injection of a mixture of two commercially available carbon black inks through the left...
08:55
Formulations for Freeze-drying of Bacteria and Their Influence on Cell Survival
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Cited by 22 •
2013
Freeze-drying is often an easy and convenient way to obtain dry products of viable bacterial cells. An issue of the process is cell survival. We detail here a procedure to investigate how cell survival during freeze-drying is influenced by the properties of the formulation used.
FAQs
Formulation performance depends on balancing the active material with solvents, binders, dispersants, and other additives. The active component supplies the intended chemical, electrical, optical, or biological function, while the surrounding ingredients help maintain particle stability, control flow, support adhesion, and promote film formation. Their combined composition connects chemical design with reliable deposition and final material performance.
Viscosity, surface tension, and drying behavior determine how a deposited liquid forms a patterned feature. Viscosity influences flow, surface tension affects how the liquid interacts with the deposition surface, and drying controls the transition from liquid to solid film. Coordinating these properties helps limit nonuniform features and supports reproducible patterning, adhesion, and functional properties.
Particle stability helps keep the active material uniformly distributed before and during deposition. Dispersants and other formulation components contribute to this control, while binders can support cohesion and adhesion after drying. If composition and processing conditions preserve stability, the resulting film is more likely to show consistent structure and dependable chemical, electrical, optical, or biological behavior.
Development begins by selecting an active material and combining it with solvents, binders, dispersants, and other additives chosen for the intended function and deposition method. Researchers then adjust composition and processing conditions to control stability, viscosity, surface tension, drying, and film formation. The printed result is evaluated through feature uniformity, adhesion, and functional performance.
Inkjet and screen printing provide different routes for depositing functional materials, so the formulation must support reliable patterning under the selected process conditions. Composition is adjusted to maintain suitable flow, surface behavior, drying, and film formation for that method. This alignment helps translate the same functional material concept into uniform printed features and reproducible surfaces.
By linking molecular composition to deposited-film performance, formulation supports the fabrication of conductive tracks, sensors, displays, energy devices, and other functional surfaces. Chemistry provides the basis for selecting active materials and controlling their interactions with solvents, binders, dispersants, and additives. The resulting approach connects printable composition with application-specific electrical, optical, chemical, or biological outcomes.