Rheology as a Suitable Tool for Quality Control of Collagen Hydrogels
Here, a standard operating procedure (SOP) for determining the quality of collagen hydrogel was developed using oscillatory rheology with a DHR-2 rheometer.
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Polymer Melt Rheology Workflow Automation: Auto-Trim Accessory for Discovery Hybrid Rheometers
The auto-trim accessory for Discovery Hybrid Rheometers automates the melting, gap setting, and crucial sample trimming step in polymer melt rheology testing. The automation of this step improves data consistency by up to 5x, increases continuous walkaway time by 80%, and reduces new operator training time to less than 30 minutes.
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Auto-Trim Accessory
The auto-trim accessory for the DHR simplifies polymer melt rheology by automating the sample heating and trimming process.
DetailsThermogravimetric Analysis of Powdered Graphite for Lithium-ion Batteries
In this note, TGA will be performed on natural and synthetic graphite of various particle sizes. The analysis will provide information that would find value in quality control settings, such as batch consistency and impurities.
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How to Set Up the Auto-Trim Accessory for the Discovery Hybrid Rheometer
Overview In this Tech Tip, we will show you how to set up the Auto-Trim Accessory for the Discovery Hybrid Rheometer.
DetailsUsing an ARES Rheometer to investigate the β-relaxation change of graphene poly(ethyl methacrylate) nanocomposite
Here we describe the application of an ARES Rheometer (TA Instruments) with a rectangular torsion fixture, to investigate the β-relaxation change of poly (ethyl methacrylate)/ graphene oxide. It is observed that graphene increases both the glass transition and the β-relaxation temperature, but the β-relaxation to a lesser extent.
DetailsEffect of Moisture on Cohesion Strength of Carboxymethyl Cellulose Powder
The impact of moisture content on cohesion strength is measured using the TA Instruments Powder Rheology Accessory. It was found that as moisture content increases, cohesion strength also increases, demonstrating the importance of controlling humidity during processing.
DetailsUse of TGA to Distinguish Flame-Retarded Polymers from Standard Polymers
Thermogravimetric Analysis (TGA), which provides information about the thermal stability and decomposition rate of materials, is an excellent technique for rapidly comparing the behavior of materials tested with different flame retardants.
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3 Time-Saving Techniques for Your Polymer Research
Saving time in polymer research has many benefits and can be realized in different ways, from reducing operator training time to increasing research throughput and achieving accurate and reproducible results. Here are 3 opportunities across 3 techniques (rheology, TGA, and DSC) which offer solutions to save time in your polymer research.
DetailsCharacterization of Shape-Memory Polymers by DMA
In this paper, the thermo-mechanical response of a polyurethane based shape-memory polymer material was analyzed using a TA Instruments DMA. Two cyclic test procedures were developed for quantitative measurement of the thermal-mechanical properties.
DetailsHumidity Influence to the Thermal and Mechanical Properties of Gelatin Capsules
In this paper, the humidity influence to the thermal mechanical properties of gelatin capsule was studied systematically using TA Instruments’ Dynamic Mechanical Analyzer with the humidity control unit. The coefficient of hygroscopic expansion (CHE) of the gelatin capsule was also studied at two individual temperatures.
DetailsAnalysis of Engine Oils Using Modulated Thermogravimetric Analysis (MTGA)
Thermogravimetric Analysis (TGA), which provides information about the thermal stability and decomposition rate of materials, is an excellent technique for rapidly comparing the behavior of materials tested with different flame retardants.
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