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Polymers
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New Insights into Photopolymerization
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New Insights into Photopolymerization

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

Deadline for manuscript submissions: 31 May 2025 | Viewed by 1217

Special Issue Editor

Dr. Ali Bagheri

E-Mail Website
Guest Editor
School of Science and Technology, The University of New England, Armidale, NSW 2351, Australia
Interests: controlled radical polymerization; 3D printing; drug delivery systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The realm of polymer science and technology is witnessing an exciting evolution with rapid progressions in photopolymerization techniques. This innovative field is at the heart of new material development, offering transformative solutions across a spectrum of industries. The "New Insights into Photopolymerization" Special Issue is dedicated to exploring the latest breakthroughs and providing a comprehensive overview of the state of the art in this dynamic area. 

Photopolymerization, with its ability to form complex structures and intricate designs through light-induced reactions, is a cornerstone for advanced material fabrication. This precise control over polymerization processes has been instrumental in the development of high-performance materials with tailored properties. The applications of these materials range from the microelectronics industry, where precision is paramount, to the biomedical field, where biocompatibility and responsiveness are key.

We invite you to contribute your latest research (research article/review) to this Special Issue. Let us together illuminate the path of discovery and advancement in the field of photopolymerization.

Dr. Ali Bagheri
Guest Editor

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

  • photopolymerization systems
  • photoinitiators and sensitizers
  • material innovations
  • interdisciplinary approaches

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Published Papers (1 paper)

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Research

26 pages, 7070 KiB  
Article
Bridging Experimentation and Computation: OMSP for Advanced Acrylate Characterization and Digital Photoresin Design in Vat Photopolymerization
by Leah Okoruwa, Fatih Tarak, Farzaneh Sameni and Ehsan Sabet
Polymers 2025, 17(2), 203; https://doi.org/10.3390/polym17020203 - 15 Jan 2025
Cited by 1 | Viewed by 820
Abstract
Vat photopolymerization (VPP) is an additive manufacturing method that requires the design of photocurable resins to act as feedstock and binder for the printing of parts, both monolithic and composite. The design of a suitable photoresin is costly and time-consuming. The development of [...] Read more.
Vat photopolymerization (VPP) is an additive manufacturing method that requires the design of photocurable resins to act as feedstock and binder for the printing of parts, both monolithic and composite. The design of a suitable photoresin is costly and time-consuming. The development of one formulation requires the consumption of kilograms of costly materials, weeks of printing and performance testing, as well as the need to have developers with the expertise and knowledge of the materials used, making the development process cost thousands. This paper presents a new characterization methodology for acrylates that allows for the computerization of the photoresin formulation development process, reducing the timescale to less than a week. Okoruwa Maximum Saturation Potential (OMSP) is a methodology that uses attenuated total reflection (ATR-FTIR) to study the functional group of acrylates, assigning numerical outputs to characterize monomers, oligomers and formulations, allowing for more precise distinguishment between materials. It utilizes the principles of Gaussian normal distribution for the storage, recall, and computerization of acrylate data and formulation design without the need to database numerous files of spectral data to an average coefficient of determination (R2) of 0.97. The same characterization method can be used to define the potential reactivity of acrylate formulations without knowing the formulation components, something not possible when using properties such as functionality. This allows for modifications to be made to unknown formulations without prior knowledge of their contents. Validation studies were performed to define the boundaries of the operation of OMSP and assess the methodology’s reliability as a characterization tool. OMSP can confidently detect changes caused by the presence of various acrylates made to the photoresin system and distinguish between acrylates of the same viscosity and functionality. OMSP can compare digitally mixed formulations to physically mixed formulations and provides a high degree of accuracy (R2 of 0.9406 to 0.9964), highlighting the future potential for building foundations for artificial intelligence in VPP; the streamlining of photoresin formulation design; and transforming the way acrylates are characterized, selected, and used. Full article
(This article belongs to the Special Issue New Insights into Photopolymerization)
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