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Front. Chem. | doi: 10.3389/fchem.2019.00181

Porous Surface Films with Tunable Morphologies and Hydrophobic properties based on Block Copolymer under the Effects of Thermal Annealing

 Guadalupe D. Pizarro1*, Oscar G. Marambio1, Manuel jeria-Orell1, Diego P. Oyarzún2,  Rudy Martin-Trasanco2 and  Julio Sánchez3
  • 1Metropolitan University of Technology, Chile
  • 2Universidad Andrés Bello, Chile
  • 3Universidad de Santiago de Chile, Chile

The fabrication of porous-structured polymer films with patterned surface structures has recently attracted increased interest within the material science field. In this work, a series of microstructure scale patterned polymer films were obtained via breath figure methods (BF) with hydrophobic surface films based on self-assembled diblock copolymers by ATRP. The surface characteristics and morphological properties, pore size, roughness, thickness and wettability of the block copolymer films was studied in response to variation of the hydrophilic co-monomer structures. A significant improvement of the quality and order of the hydrophobic films was observed in response to thermal annealing and a consequent optimization of the assembly process.

Keywords: controlled radical polymerization, self-assembly diblock copolymers, Thermal behavior, surface morphology, Hydrophobic surfaces

Received: 13 Sep 2018; Accepted: 07 Mar 2019.

Edited by:

Giuseppe Mensitieri, University of Naples Federico II, Italy

Reviewed by:

Ioannis A. Kartsonakis, National Technical University of Athens, Greece
Arnab Rudra, Koch Institute for Integrative Cancer Research at MIT, United States  

Copyright: © 2019 Pizarro, Marambio, jeria-Orell, Oyarzún, Martin-Trasanco and Sánchez. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Prof. Guadalupe D. Pizarro, Metropolitan University of Technology, Santiago, Chile,