alexa Poly(Itaconate) Derivatives, at the Air-Water Interface
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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Research Article

Poly(Itaconate) Derivatives, at the Air-Water Interface: Case of Poly(Monobenzyl) and Poly(Dibenzyl) Itaconate

Radic D*, Gargallo L and Leiva A

Pontificia Universidad Catolica de Chile Santiago, Chile

*Corresponding Author:
Radic D
Pontificia Universidad Catolica de Chile
Santiago, Chile
Tel: 56223544000
E-mail: [email protected]

Received date: March 24, 2016; Accepted date: April 21, 2016; Published date: April 30, 2016

Citation: Radic D, Gargallo L, Leiva A (2016) Poly(Itaconate) Derivatives, at the Air-Water Interface: Case of Poly(Monobenzyl) and Poly(Dibenzyl) Itaconate. J Material Sci Eng 5: 248. doi: 10.4172/21690022.1000248

Copyright: © 2016 Radic D, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



The surface behaviors of monolayers of the poly(itaconate) derivatives, poly(dibenzyl itaconate) (PDBzI) and poly(monobenzyl itaconate) (PMBzI), at the air-water interface were investigated at 298 K on an aqueous subphase at pH 5.7 and 3.0. The monolayer characteristics of PDBzI and PMBzI were studied and compared in terms of surface pressure-area (-A) isotherms, surface compressional modulus-surface pressure (Cs-1-π) curves, static elasticity-surface concentration curves (-), hysteresis phenomena and phase images observed with a Brewster angle microscope (BAM.). The results showed that PMBzI and PDBzI gave rise to stable monolayers and that the isotherms presented pseudoplateau regions at different surface pressure values independent of pH. The PMBzl pseudoplateau region may because a change in the lateral packing of the chains. The PDBzl pseudoplateau region is attributed to a phase transition. The morphology of these monolayers was studied by Brewster angle microscopy (BAM). The surface pressure was expressed in terms of the scaling laws as function of surface concentrations. It can be concluded that the air-water interface was a poor solvent for both studied polymers. The degree of hydrophobicity of the polymers was estimated by determining the surface energy values based on wettability measurements.


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