A Study on the Dilational Modulus Measurement of Polyacrylic Acid Films at Air-Water Interface by Pendant Bubble Tensiometry.

Johann Eduardo Maradiaga Rivas, Li-Jen Chen, Shi-Yow Lin, Siam Hussain

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Article in Polymers, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

4 authors.

Johann Eduardo Maradiaga RivasDepartment of Chemical Engineering, National Taiwan University of Science and Technology, 43, Sec. 4, Keelung Road, Taipei 106, Taiwan.

Li-Jen ChenDepartment of Chemical Engineering, National Taiwan University, 1, Sec. 4, Roosevelt Road, Taipei City 106, Taiwan.

Shi-Yow LinDepartment of Chemical Engineering, National Taiwan University of Science and Technology, 43, Sec. 4, Keelung Road, Taipei 106, Taiwan.

Siam HussainDepartment of Chemical Engineering, National Taiwan University of Science and Technology, 43, Sec. 4, Keelung Road, Taipei 106, Taiwan.

Funding

National Science and Technology Council MOST 108-2923-E-011-004-MY3National Science and Technology Council MOST 109-2221-E-011-055-MY3

6 · The paper itself

Abstract

The dilational modulus (E) of polymer films has been commonly measured using the oscillating ring/bubble/drop methods with an external force, and often without specifying the state of the adsorbed film. This study explores an approach where E was determined from the relaxations of surface tension (ST) and surface area (SA) of natural perturbations, in which ST and SA were monitored using a pendant bubble tensiometer. The E of the adsorbed film of PAA (polyacrylic acid) was evaluated for aqueous solutions at C

Indexed as

dilational modulusnatural perturbationpendant bubble tensiometrypolyacrylic acidpolymer filmsurface tension

Identifiers

PMID38794550

DOI10.3390/polym16101359

PMCPMC11125069

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