Journal of Colloid and Interface Science 2015-09-15

Role of textile substrate hydrophobicity on the adsorption of hydrosoluble nonionic block copolymers.

Junlong Song, Carlos Salas, Orlando J Rojas

Index: J. Colloid. Interface Sci. 454 , 89-96, (2015)

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Abstract

The adsorption of polyalkylene glycols and co-polymers of ethylene oxide and propylene oxide on substrates relevant to textiles with varying surface energies (cellulose, polypropylene, nylon and polyester) was studied by using quartz crystal microgravimetry. Langmuirian-type isotherms were observed for the adsorption profiles of nonionic block polymers of different architectures. The affinity with the surfaces is discussed based on experimental observations, which highlights the role of hydrophobic effects. For a given type of block polymer, micellar and monomeric adsorption is governed by the balance of polymer structure (mainly, chain length of hydrophobic segments) and substrate's surface energy. Copyright © 2015 Elsevier Inc. All rights reserved.

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