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Viscosity Study

Viscosity is known to be dependant on temperature and viscosity effects the shear flow used to orientate the sample for the LD measurements to be taken. This investigation is to see to what extent the viscosity affects the data being collected. A viscometer has been used for these experiments:

Viscometer Equipment Setup

A dynamic light scattering (DLS) instrument was also used to measure viscosity using the Stokes-Einstein equation


This relates viscosity to polymer radii which is measured by the DLS instrument.


Other viscosity methods explored included using a rheometer at the University of Birmingham