Laboratory Products
Rotational and Capillary Rheometers Aid Plastic Film Development.
Aug 24 2006
The analytical laboratory at Renloit AG supports the company's daily production cycle and the company uses the latest analytical technologies for detailed determination of raw material and film properties. If faults occur, rapid identification of the cause is a priority. For instance, any inclusions in films or film defects are examined in order to locate the source of the defect and rectify it. Renolit's experiences in film analysis also make a positive contribution to new developments and the continuing advancement of films.
Using Malvern rheometers to analyze melts, it was shown that even when plastic granules used in the production of films exhibited identical shear viscosities, there were significant differences in extensional viscosity. This may be attributed to the molecular structure of the plastic, and will not be detected by shear alone. Measuring both shear and extensional viscosities across a broad range requires the use of both rotational and capillary rheometers. This complementary use of both techniques delivers valuable additional information which contributes significantly to the further development of RENOLIT plastic films. An important factor in selecting the systems was Malvern's ability to supply both types of instrument, with the benefits that service and applications support is from a single source.
Digital Edition
ILM 49.5 July
July 2024
Chromatography Articles - Understanding PFAS: Analysis and Implications Mass Spectrometry & Spectroscopy Articles - MS detection of Alzheimer’s blood-based biomarkers LIMS - Essent...
View all digital editions
Events
Jul 28 2024 San Diego, CA USA
Jul 30 2024 Jakarta, Indonesia
Jul 31 2024 Chengdu, China
ACS National Meeting - Fall 2024
Aug 18 2024 Denver, CO, USA
Aug 25 2024 Copenhagen, Denmark