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Viscosity of  Conductive Inks, Coatings, Paints, & Pastes

Whether you work with printed electronics, touch displays, or any of the number of applications working with conductive inks, coatings, paints and pastes, viscosity is one of the key parameters in the development of your process. Over the last few months, RheoSense has released a number of applications related to conductive inks. Our instruments allow for accurate rheological charaterization of these samples between 4°C and 105°C. Check them out!

  Access our Ink Application Library!

In microVISC, Viscometer, viscosity, Conductive Inks, Inks Viscosity

Webinar: Introduction to Whole Blood, Plasma, & Serum Viscosity Measurements | February 24, 2016 - 11:00 am (PST)

In this webinar we would cover the basics on whole blood, plasma and serum viscosity and the importance to hemodynamics (blood flow) and related clinical diagnosis applications. We will present the protocols required to test this kind of samples using VROC® (Viscometer/Rheometer-On-a-Chip) powered viscometers.

We demonstrate our technology capability to overcome some of the challenges encountered by conventional methods to measure viscosity when dealing with blood samples. Our instruments are able to characterize the viscosity of blood and its derivatives as a function of shear rate, temperature, vessel size and red blood cell content. If you want to learn more:

In Conference/Event, viscosity, Blood Viscosity, Serum Viscosity

Application Corner - Conductive Inks

Viscosity of conductive inks with m-VROC® and microVISC™:

Viscosity of conductive inks, paints and coatings is key to establish manufacturing processes for printed electronics and display systems. The complexity of printing and coating technologies has motivated a rapid growth of the conductive inks industry. To meet the market demands, efficient, highly accurate and fast characterization methods are required.
Conventional viscometers are often unable to fully characterize complex fluids (i.e. they are not able to measure viscosity as a function of shear rate or extensional properties). On the other hand, rheometers are limited to relatively low (<10,000 1/s) deformation rates. Our microfluidic-based VROC® (Viscometer/Rheometer On a Chip) technology overcomes these limitations.
RheoSense viscometers are able to fully characterize the flow curves (viscosity vs shear rate) of complex fluids for shear rates ranging from 0.5 to 1,400,000 1/s. Additionally, we offer measurements of extensional viscosity and temperature control from 4°C to 105°C. Accurate measurements of shear and extensional viscosity at the deformation rates and temperatures relevant for the fabrication processes are essential to understand the subtleties of the different printing and coating technologies.

VROC® powered instruments, provide a solution to the challenges of conventional technologies. The high accuracy and repeatability over a wide range of deformation rates make our systems Simply Precise™ at a fraction of the sample volume and testing time!
Target Keywords
Inks Viscosity
Non-Newtonian Inks
Shear Thinning Inks
Accurate Low Viscosity Measurements
Inkjet Inks
Ceramic Inks
Water Based Inks
Biopolymer and Protein Inkjet
In microVISC, Viscosity Measurements, VROC Technology, Rheometer, m-VROC, viscosity

What are the Differences between Dynamic and Kinematic Viscosities?

Viscosity is a fundamental material property when studying fluid flow for any application. The two most common types of viscosity are dynamic and kinematic. The relationship between these two properties is quite straightforward.

In viscosity

Perfect Liquid! Low Viscosity!

In a recent post, we discussed how some liquids containing bacteria swimmers can display negative viscosity. This can be a misleading since the apparent negative viscosity occurs due to swimmers pushing the surrounding fluid so that the overall system shows negative resistance to flow (i.e. it flows by itself!). One of the best examples of super fluidity is super cooled helium.

In m-VROC, Viscometer, viscosity