Photopolymerization in Advanced Materials II

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

Deadline for manuscript submissions: closed (20 November 2023) | Viewed by 2179

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School of Science and Technology, The University of New England, Armidale, NSW 2351, Australia
Interests: controlled radical polymerization; 3D printing; drug delivery systems
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Special Issue Information

Dear Colleagues,

The use of photopolymerization in the development of advanced materials is proving to be a successful and worthy research direction across both industry and academia. Photopolymerization can be conducted using conventional systems (e.g., radical polymerization or step-growth polymerization) or using reversible deactivation radical polymerization; the former has been broadly used and widely studied, while the latter, though having experienced great success and having great potential, faces some challenges in its scaling and translation into industrial settings. This field is evolving at a very rapid pace, and there is plenty of scope for further advanced studies in a wide range of applications including but not limited to drug delivery, sensors, nanomedicine, and tissue engineering.

Dr. Ali Bagheri
Guest Editor

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Keywords

  • photopolymerization
  • advanced materials
  • reversible-deactivation radical polymerization
  • visible light-induced polymerization
  • 3D photopolymers

Published Papers (1 paper)

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Research

22 pages, 8778 KiB  
Article
Impact of the Chemical Structure of Photoreactive Urethane (Meth)Acrylates with Various (Meth)Acrylate Groups and Built-In Diels–Alder Reaction Adducts on the UV-Curing Process and Self-Healing Properties
by Paulina Bednarczyk, Karolina Mozelewska, Joanna Klebeko, Joanna Rokicka and Paula Ossowicz-Rupniewska
Polymers 2023, 15(4), 924; https://doi.org/10.3390/polym15040924 - 12 Feb 2023
Cited by 4 | Viewed by 1848
Abstract
A series of UV-curable urethane (meth)acrylates were obtained by copolymerization of the Diels–Alder adduct (HODA), isophorone diisocyanate, PEG1000, and various hydroxy (meth)acrylates. The aim of the present work was to determine the influence of the chemical structure of the introduced (meth)acrylic groups, i.e., [...] Read more.
A series of UV-curable urethane (meth)acrylates were obtained by copolymerization of the Diels–Alder adduct (HODA), isophorone diisocyanate, PEG1000, and various hydroxy (meth)acrylates. The aim of the present work was to determine the influence of the chemical structure of the introduced (meth)acrylic groups, i.e., hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate, and hydroxypropyl methacrylate, on the UV-curing process and self-healing properties of cured coatings. The chemical structure of prepolymers was characterized by FTIR and NMR spectroscopy, whereas the UV-curing process was monitored in real time using FTIR and photo-DSC. In turn, the self-healing properties were characterized in relation to the thermally reversible mechanism, which was tested using the following methods: an FTIR spectroscope equipped with a heating attachment; DSC and TG apparatus; and an optical microscope equipped with a stage with programmable heating. The result of comprehensive research on the self-healing of photocurable coatings in the context of the presence of various photoreactive groups and the course of the curing process allows one to control the self-healing process by reducing the effective healing temperature. The self-healing properties, taken together with the fast UV curing of the coatings and excellent properties of cured coatings, make the material attractive for a variety of applications, in particular in cases where coatings are not repaired, e.g., for economic reasons or when it is not possible, such as in flexible electronic screens, car paint film, and aircraft interior finishes. Full article
(This article belongs to the Special Issue Photopolymerization in Advanced Materials II)
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