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Retraction published on 21 August 2017, see Polymers 2017, 9(8), 382.

Open AccessArticle
Polymers 2017, 9(6), 241; doi:10.3390/polym9060241

Controlled Light Cross-Linking Technique to Prepare Healable Materials

Department of Physics, Faculty of Science, King Abdulaziz University Jeddah, P.O. Box 80203, Jeddah 21589, Saudi Arabia
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Author to whom correspondence should be addressed.
Academic Editor: Antonio Pizzi
Received: 25 April 2017 / Revised: 19 June 2017 / Accepted: 19 June 2017 / Published: 21 June 2017
(This article belongs to the Collection Polymeric Adhesives)

Abstract

Detection of defects, damages and cracks in structural polymers is very difficult, and even if they are detected, they will be very hard to be repaired. This is because different kinds of stress can reduce the mechanical efficiency of structural and functional thermosetting composite materials and they can damage the polymer matrix, thus reducing the purposed properties. General healing processes use thermal energy “alone” to heal these materials, thus impairing the intended properties of the materials. Therefore, we present a thermal healing ability that can be switched-on and/or -off at desire using illumination by photon energy (visible and ultra violet). By this technique, one can control local heal while keeping the efficiency of the material nearly unchanged. Furan-based cross-linker chemically reacts (forward- and reverse-reaction) with short-chains of maleimide-substituted poly(lauryl methacrylate) to form robust chemical bonds. This permits us to perform local control over thermally induced de- and/or re-cross-linking techniques. One can extend and apply this technique to cover micro-devices, coating-techniques, fine lithography, micro- and nano-fabrication processes, etc. Therefore, the present work developed a suitable technology with structural polymeric material, which has the ability to self-heal cracks (and damages) and recover structural function. View Full-Text
Keywords: light; furan; healable materials; maleimide; poly(lauryl methacrylate) light; furan; healable materials; maleimide; poly(lauryl methacrylate)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Abdalla, S.; Al-Marzouki, F.; Obaid, A.; Bahabri, F. Controlled Light Cross-Linking Technique to Prepare Healable Materials. Polymers 2017, 9, 241.

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