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Technology: Optical Tensiometry

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Tech Note | Technology: Optical Tensiometry

Leveraging Contact Angle Measurements to Predict Polymer Blending

Plastics made from polymeric materials are an integral part of many consumer goods and products. Whether it is the packaging or the product itself, different polymers can provide material and…

App Note | Technology: Optical Tensiometry

Surface Free Energy for Monitoring Surface Cleanliness

Surface Free Energy (SFE) of a solid surface is analogous to the surface tension of a liquid. Just as the surface tension of a liquid is a result of the…

App Note | Technology: Optical Tensiometry

Contact Angle Measurement for Monitoring Surface Cleanliness

Surface contamination is a concern for a wide variety of industries and their production processes such as polishing, surface treatments, coatings, bonding, and etching. Contamination can arise from a variety…

Measuring the advancing and receding contact angle on a tilted surface

App Note | Technology: Optical Tensiometry

Superhydrophobicity, Oleophobicity, and Contact Angle

Introduction Superhydrophobic and oleophobic surfaces are receiving increased attention because of their potential to provide breakthroughs in applications such as anti-fouling, self-cleaning, and anti-freezing. Contact angle measurements are often used…

Contact angles demonstrating hydrophobic and hydrophilic surfaces

App Note | Technology: Optical Tensiometry

Cleanliness and quality control testing by contact angle – how clean is my surface?

Contamination can have a wide variety of undesirable effects in manufacturing processes such as polishing, surface treatment, coating application, and etching. Some sources include finger oils from handling, atmospheric dust…

Powder surface as seen in an optical tensiometer

App Note | Technology: Optical Tensiometry

Measuring the contact angle, surface free energy and wettability of powders

For powdered materials such as pharmaceuticals, dyes, proppants, and foods, wettability is an important parameter to characterize. As the powders are immersed into a liquid, fluid may wick into the…

Image of tilting contact angle

App Note | Technology: Optical Tensiometry

Optical Tensiometry as a Tool to Measure Coating Properties and Substrate Adhesion

How can Optical Tensiometry Characterize Coatings? Coatings are used to modify the properties of the substrate that they cover and are ubiquitous in our everyday lives. They can have functional,…

Spontaneous surfactant migration in an air-liquid system and oil-water system

App Note | Technology: Optical Tensiometry

Dilatational Rheology of Foams, Emulsions, and Suspensions

The Attension Theta Flex and the Pulsating Drop Module PD-200 Emulsions and foams play a key role in important products such as foods1, pharmaceuticals2, and oil recovery formulations3. The stability…

Optical image of pendant drop of a sample

App Note | Technology: Optical Tensiometry

How Interfacial Rheology Can Replace Inefficient Emulsion Characterization in Droplet-Based Microfluidics

Emulsion Stability in Droplet-Based Microfluidics There are a lack of tools to efficiently predict emulsion stability. Stabilizing emulsions is a significant problem in foods [1], personal care products [2], pharmaceuticals…

App Note | Technology: Optical Tensiometry

Why Your Surgical Mask Orientation Matters: How We Use Wettability to our Advantage

Amid the COVID-19 pandemic, surgical masks and N95 respirators (Fig. 1) have gained significant media attention, both for their use as personal protective equipment (PPE) and their limited supply. While…

Schematic of a fringe-projection phase shifting measurement

App Note | Technology: Optical Tensiometry

Simultaneous Characterization of Topography and Contact Angle

Improved control and design of dental and orthopedic bone implants through simultaneous characterization of topography and contact angle To ensure the safety and quality of medical implants, parameters such as…

Oil and gas enhanced oil gas EOR

App Note | Technology: Optical Tensiometry

Enhancing EOR with High-Pressure Contact Angle Measurements

Improving Enhanced Oil Recovery (EOR) with the Attension Theta Flex High Pressure Chamber Measurements As oil demand continues to rise, many oil reservoirs are no longer capable of producing oil…

Plasma Treated protocol sessle drop analysis

App Note | Technology: Optical Tensiometry

Quantifying Enhanced Wettability and Time-dependency of Plasma-treated Polypropylene

Wettability and Adhesion Problems for Polypropylene (PP) Products When applying coatings, inks, adhesives, and other materials to a surface, controlling the surface properties becomes critical. In particular, the wettability –…

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