A novel X-ray rheometer for in situ studies of polymer melts and solutions during shear flowKeates, P., Mitchell, G.R., Peuvrel-Disdier, E., Riti, J.B. and Navard, P. (1994) A novel X-ray rheometer for in situ studies of polymer melts and solutions during shear flow. Journal of Non-Newtonian Fluid Mechanics, 52 (2). pp. 197-215. ISSN 0377-0257 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1016/0377-0257(94)80051-0 Abstract/SummaryA novel X-ray rheometer based on a parallel plate geometry is described. This system allows time-resolved X-ray scattering intensity data to be obtained from polymeric samples subjected to shear flow. The range of quantitative structural parameters, such as molecular orientation and inter chain correlations, which can be obtained from the data is highlighted. Examples of the utility of X-ray scattering in examining optically opaque samples and the extraction of 〈P2〉 and 〈P4〉 orientation parameters are given using anisotropic hydroxypropylcellulose solutions as the sample.
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