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Deepak Arora, Souvik Nandi, H. Henning Winter
A new generation of light scattering device with real time data analysis for rheo-optical measurements

Appl. Rheol. 21:4 (2011) 42633 (8 pages)

An apparatus for small angle light scattering (SALS) and light transmission measurements under shear was built and tested at the University of Massachusetts Amherst. As a new development, the polarization direction can be rotated by a liquid crystal polarization rotator (LCPR) with a short response time of about 20 ms.The experiments were controlled and analyzed with a LabVIEWTM based code (LabVIEW-TM 7.1) in real time. Quiescent and flow-induced crystallization experiments on isotactic poly-1-butene (iPB) were conducted to demonstrate the instrument and software capabilities. Software was designed with a modular approach, so that further modules can be added to investigate other systems such as polymer blends, colloidal suspensions, solutions with droplets etc. A replica of the SALS apparatus was custom built for ExxonMobil Research in Clinton NJ.

Cite this publication as follows:
Arora D, Nandi S, Winter HH: A new generation of light scattering device with real time data analysis for rheo-optical measurements, Appl. Rheol. 21 (2011) 42633.


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