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A new generation of light scattering device with real time data analysis for Rheo-optical measurements
, S. Nandi, H.H. Winter
Published in
Volume: 21
Issue: 4
An apparatus for small angle light scattering (SALS) and light transmission measurements under shear was builtand tested at the University of Massachusetts Amherst. As a new development, the polarization direction canbe rotated by a liquid crystal polarization rotator (LCPR) with a short response time of about 20 ms. The experimentswere controlled and analyzed with a LabVIEWTM based code (LabVIEWTM 7.1) in real time. Quiescent andflow-induced crystallization experiments on isotactic poly-1-butene (iPB) were conducted to demonstrate theinstrument and software capabilities. Software was designed with a modular approach, so that further modulescan be added to investigate other systems such as polymer blends, colloidal suspensions, solutions withdroplets etc. A replica of the SALS apparatus was custom built for ExxonMobil Research in Clinton NJ.© Appl. Rheol.
About the journal
JournalApplied Rheology