Thermal behaviors of hydroxypropyl cellulose dilute aqueous solutions with impurities of Group I alkali metal ions (Li, Na, K, Rb and Cs chlorides) has been studied by means of static and dynamic light scattering measurements. From the experimental data, it follows that at temperatures above the LCST and in the presence of salts, there arise supramolecular associates (clusters) that are several times larger than the wavelength of visible light. It is shown that the observed intensity of backscattered light is described by the tangent plane approximation and the Mie scattering theory.
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V. I. Kovalchuk (2024) studied this question.
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