Thermogravimetry (TGA) is frequently applied for the compositional analyses of such materials as, for example, fiber-reinforced polymer composites. The residual mass at the end of a TGA experiment reflects the filler or glass fiber content as well as the presence of impurities. By using a relatively large sample volume in a top-performing thermobalance along with the intelligent Proteus® software by NETZSCH, it is possible to detect ultra-small residual masses with concentrations down to the ppm (= 10-6) range! Such small concentrations can be illustrated by a little bird with a mass of a few grams sitting on the back of an elephant weighing a few tons.
Polymermischungen bieten während ihrer Lebensdauer erhebliche Vorteile. Sie erschweren jedoch das Recycling am Ende ihres Lebenszyklus. Eines der grundlegendsten Probleme ist die Identifizierung des Materials als Blend sowie seine Zusammensetzung, um sicherzustellen, dass es richtig sortiert wird und wenn möglich wiederverwendet werden kann. Lesen Sie, wie TGA und FT-IR bei der Identifizierung helfen können!
One of the components found in a lithium ion battery that is typically responsible for mishaps is the electrolyte. In the following article, several experiments were conducted via TGA, DSC and evolved gas analysis to investigate composition, thermal stability and identify the released products.
Polymer blends offer significant advantages during their service life. However, they make recycling at the end of life difficult. One of the most fundamental problems is the identification of the material as a blend as well as its composition to ensure it is sorted properly and can be reused if possible. Read how to TGA and FT-IR help with the identification and join our webinar series on TG-FT-IR!
The University of Queensland, in collaboration with the Non-Conforming Building Products (NCBP) Audit Taskforce in Queensland, Australia, have proposed a framework to provide a robust methodology to assess the fire hazard of cladding materials in existing buildings based on a thorough understanding of the relevant fire phenomena. Thermogravimetric Analysis enhances the robustness of the framework. Read here how the method is applied to evaluate the risk of external fire spread on buildings.
In the previous articles, focusing on thermal analysis under humidity, we have seen that thermogravimetric analysis and dynamic mechanical analysis help determine the influence of water on a material or substance. Thermomechanical analysis complements the analysis under humidity.
Water is one of the major parts influencing our climate. Our atmosphere is filled with water. We may not always be able to see it, but it interacts with us and our materials. Learn how thermal analysis helps identify water absorption and determine water content.
Sporting goods and toys for kids or pets are often made of flexible plastics. Some examples are sensory chewing toys, action figurines as well as balls of various kinds. A common polymer used for these applications is PVC (polyvinylchloride), because it can be made softer and more flexible by adding plasticizers. Therefore, they can evaporate or be rinsed out by saliva or sweat. Learn how to determine detect and identify plasticizers!
PMMI (Polymethacrylmethylimide) is a thermoplastic polymer. As it is an amorphous polymer, it features high transparency. The case study describes how thermal analysis methods can be employed to discover everything about the material.
Bringing cost, material, production process and quality successfully together is one of the key objectives in the injection molding industry. If the production process is not correct or if the material does not adhere to the specified requirements, low quality and thus scrap production is the consequence. Ideally, all of these four factors should be able to be managed in order to avoid scrap production. Thermal analysis methods offer valued approaches.