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This document discusses a novel analytical method that combines off-line laser light scattering (LLS) and size exclusion chromatography (SEC) to characterize hydroxyethyl cellulose acetate (HECA) samples in tetrahydrofuran (THF). The method effectively determines the molecular weight distribution and chain conformation of HECA, revealing it to be a slightly extended linear coil at room temperature. The study demonstrates the suitability of this method for accurate characterization of cellulose derivatives,

Author

이정옥

Language

EN