How Quality Control and Failure Analysis of PP Effectively Prevent Scrapping of Goods

by Jinyan Li, Liang Xu and Dr. Zhiqiang Zeng; NETZSCH Scientific Instruments Trading, China

Do you need a plastic part or a film with very specific properties – such as temperature stability coupled with dimensional stability accurate to a hundredth of a millimeter and UV resistance – otherwise it cannot be used for its intended purpose? But how can you check whether all requirements have been met and, in addition, how can failures be analyzed?
Only if such questions are under control is it possible to permanently reduce the number of rejects. NETZSCH Analyzing & Testing offers a range of thermoanalytical methods for this purpose.

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Sub-ambient DMA Measurements down to -70°C without Using LN2

Many investigations in the field of polymers with lower stiffness require a measurement start below room temperature. As an alternative to existing solutions with Vortex tube and liquid nitrogen cooling, NETZSCH now offers the new compact AIC 80 intracooler for DMA measurements that works with chilled air. It reliably cools samples to -70°C without the use of liquid nitrogen.

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How mechanical properties of polymers change with temperature

Professor Dr Tim. A. Osswald and Dr Tobias Pflock talk about the effect temperature has on the polymer’s properties. The room temperature modulus is often the only value given to describe the mechanical property of a polymer material. But temperature dependence of mechanical performance of polymer material significantly differs to that of other materials such as metals or ceramics and is vital information for many everyday applications of polymers.

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