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Laser Treatment of High-Polymer Materials

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 750

Special Issue Editors


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Guest Editor
Laboratory “Micro and Nanophotonics”, Institute of Electronics, Bulgarian Academy of Sciences, Tzarigradsko Shose Blvd. 72, 1784 Sofia, Bulgaria
Interests: short and ultrashort pulsed laser processing of polymer materials in air and liquid; laser-induced surface modification of morphological, structural and optical properties of polymers; characterization and functionalization of polymers treated with laser pulses; applications of modified polymers
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
1. Instituto de Nanociencia y Materiales de Aragón, Universidad de Zaragoza-CSIC, 50018 Zaragoza, Spain
2. Aragonese Foundation for Research and Development (ARAID), 50018 Zaragoza, Spain
Interests: laser-polymer interaction mechanisms; laser micro- and nano-structuring of polymers; direct laser interference patterning in polymers; laser-induced period surface structures in polymers; applications of modified polymers; functional polymers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Laser treatment is a flexible and potential method for obtaining a wide range of controlled physical and chemical modifications of high-polymer materials. Lasers generating wavelengths ranging from ultraviolet to infrared spectra, with pulse durations from nanosecond, picosecond to femtosecond temporal domains, can be used for ablation, patterning, inducing various surface modifications of polymers in the micro- and nanoscales, and for fine transferring of polymeric materials from bulk to thin films. Processing with various laser techniques leads to extending the applications of high polymers in almost all industrial, technological, biotechnological and biomedicine fields, e.g., semiconductor manufacturing and coatings, aircraft constructions, waveguides, storage devices, optoelectronic devices, sensors and biosensors, and neural implants and neural interface devices in neural prostheses and hybrid bionic systems.

This Special Issue covers fundamental, applied, and technological aspects of the laser treatment of high-polymer materials, aiming at developing novel applications in the fields of optics, photonics, energy, micro- and nanoelectronics, biomedicine, and materials science.

It is our pleasure to invite you to submit a manuscript to this Special Issue. Full papers and reviews would be greatly appreciated.

Dr. Nadya Stankova
Dr. Daniel Sola
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • laser ablation of polymers
  • laser micro-structuring of polymers
  • laser nano-structuring of polymers
  • laser texturing of polymers
  • laser polymerization
  • laser deposition of polymers
  • laser transfer and printing of polymers
  • modelling of laser processing of polymers
  • applications of polymers processed by laser

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Published Papers (1 paper)

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Research

27 pages, 10691 KB  
Article
Improved Bioactivity of Titanium-Based Surfaces Fabricated by Laser Melting Deposition by Functionalization with 3D Polymeric Microstructures Produced by Laser Direct Writing via Two-Photon Polymerization
by Bogdan Stefanita Calin, Roxana Cristina Popescu, Roxana Gabriela Ghita, Eugenia Tanasa, Sabin Mihai and Irina Alexandra Paun
Polymers 2025, 17(19), 2620; https://doi.org/10.3390/polym17192620 - 27 Sep 2025
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Abstract
Titanium (Ti)-based implants are widely used for bone injuries but suffer from poor bioactivity. To address this, we propose an innovative synergistic approach that combines laser melting deposition (LMD) for the fabrication of titanium-based supports with laser direct writing via two-photon polymerization (LDW [...] Read more.
Titanium (Ti)-based implants are widely used for bone injuries but suffer from poor bioactivity. To address this, we propose an innovative synergistic approach that combines laser melting deposition (LMD) for the fabrication of titanium-based supports with laser direct writing via two-photon polymerization (LDW via TPP) for their functionalization with 3D polymeric microstructures. We functionalized Ti surfaces fabricated by LMD using Ti (99.85 wt.%) and TiC powders (79.95 wt.% Ti, 20.05 wt.% C), with 3D microstructures obtained by LDW via TPP. The 3D microstructures were made of IP-Dip photopolymer and comprised 64 vertical microtubes arranged in five layers (10 to 170 μm tall, >94% porosity). When seeded with MG-63 osteoblast-like cells, the Ti-based surfaces functionalized with 3D polymeric microstructures promoted 3D cells’ spatial organization. Moreover, the cells seeded on functionalized Ti-based surfaces showed earlier organic matrix synthesis (day 7 vs. day 14) and mineralization (higher deposits of calcium and phosphorus, starting from day 7), as compared with the cells from non-functionalized Ti. In addition, the traction forces exerted by the cells on the 3D microstructures, determined using FEBio Studio software, were of the order of hundreds of µN, whereas if the cells would have been seeded on extracellular matrix-like materials, the traction forces would have been of only few nN. These results point towards the major role played by 3D polymeric microarchitectures in the interaction between osteoblast-like cells and Ti-based surfaces. Overall, the functionalization of Ti-based constructs fabricated by LMD with 3D polymeric microstructures made by LDW via TPP significantly improved Ti bioactivity. Full article
(This article belongs to the Special Issue Laser Treatment of High-Polymer Materials)
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