Hybrid viscometer and rheometer 'DCR'

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Discovery Core Rheometer

last updated：Jun 05, 2025

So that all users can perform rheology measurements.

The Discovery Core Rheometer is the first system to provide extensive measurements of viscosity and viscoelasticity with simple operability. New feature: The RheoGuide user interface allows operation from a touchscreen, providing guidance, visualization, and verification at each step. 【Discover Insights Beyond Viscosity】 Viscometers only report a single viscosity value within a limited range, whereas the Core Rheometer captures a complete viscosity profile, representing the material's behavior under all relevant conditions. Complex fluids such as suspensions, emulsions, gels, pastes, and slurries are non-Newtonian fluids, and their viscosity changes depending on the applied shear rate and time. Characterizing the full range of viscosity is crucial for understanding flow behavior under real-world conditions. 【Key Features】 Advantages of the Rheometer: ■ Accuracy and precision ■ Wide range of measurements ■ Controlled shear rate ■ Reproducibility of process conditions ■ Measurable with small sample sizes ■ Rapid temperature control Test Modes: ■ Flow ■ Oscillation ■ Transient

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basic information

Features: User-friendly interface: The new RheoGuide user interface makes operation on a touchscreen easy, with instructions and illustrations displayed at each step. High precision measurements: Precision air bearings and optical encoders enhance torque sensitivity, allowing for measurements of low viscosity and low shear rates. Versatility: It can thoroughly evaluate the viscosity characteristics of non-Newtonian fluids such as suspensions, emulsions, gels, pastes, and slurries. Rapid temperature control: The Peltier system enables accurate and quick temperature control, ensuring data reproducibility. Advantages: Ease of operation: Touchscreen operation allows even beginners to use it easily, achieving an efficient workflow. High accuracy and reproducibility: Precise torque sensitivity and temperature control provide reliable data. Cost reduction: The built-in air cooling system eliminates the need for a liquid circulation system, reducing operational costs. Compatibility with diverse materials: It can evaluate the viscoelastic properties of a wide range of materials, making it suitable for various applications from research and development to quality control.

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Applications/Examples of results

Applications: Polymer Research: Evaluates the viscoelastic properties of polymers, aiding in the development of new materials and quality control. Food Industry: Measures the flow properties of food products such as sauces, creams, and gels to optimize texture and stability. Cosmetics: Measures the viscosity of creams and lotions to assess usability and stability. Pharmaceuticals: Measures the viscosity of gels and creams to optimize the properties of formulations. Paints and Coatings: Evaluates the flow properties of paints and coatings to optimize application and drying characteristics. Examples of Achievements: Polymer Research: Rowan University is advancing research on new polymer materials using TA Instruments technology. Energy-related Research: The Amanchukwu group at the University of Chicago is utilizing TA Instruments technology to design and synthesize new electrolyte media for batteries and electrode catalysts. Quality Control: Many companies are using DCR to enhance product quality control and optimize manufacturing processes. Food Industry: Food manufacturers are using DCR to evaluate product texture and stability, improving consumer satisfaction.

Detailed information

Figure 1: A schematic diagram showing the range of shear rates at which the process occurs. All of these can be modeled using a rheometer. A narrow range of shear rates accessible with a viscometer is indicated.
Figure 2: Virtual data of a face cream showing how viscosity is affected by shear rate. The rheometer should be able to identify all the displayed actions, while the viscometer will only show the highlighted central part.
We investigated the reasons why one formulation of liquid emulsion adhesive designed for high-speed coating, using a TA Instruments rheometer, significantly underperformed compared to competitors. This performance deficiency resulted in the occurrence of voids on metal substrates and an increase in cases of adhesive failure (Figure 3a). Figure 3: (a) Schematic diagram showing the differences in operation between formulation 1 and the competing product.
The viscometer showed the differences in viscosity between samples, but there was no data for either high shear rate or low shear rate. It was only when using the rheometer that it became clear that the zero shear viscosity of the competing product was eight times higher. This was the key. A high zero shear viscosity means that the competing product does not flow after application and stays in place. Figure 3: (b) Shear rate and viscosity data for the competing product, formulation 1, and formulation 2.