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Abstract
Dilute and semidilute solution properties of hydrophobically modified polysaccharides derived from neutral (hydroxyethylcellulose) and ionic (carboxymethylcellulose) cellulosic ethers were studied by means of lowshear viscometry, controlled-stress rheometry, static laser light scattering, and size exclusion chromatography. The differences between the solution properties of the hydrophobic polysaccharides and their parent polymers were interpreted in terms of both intramolecular (in the dilute concentration domain) and intermolecular (above the polymer coil overlap concentration C∗) association through the grafted hydrophobic side chains.