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Monomer Selection for In Situ Polymerization Infusion Manufacture of Natural-Fiber Reinforced Thermoplastic-Matrix Marine Composites

Faculty of Science and Engineering, School of Engineering, Computing & Mathematics, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
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Polymers 2020, 12(12), 2928; https://doi.org/10.3390/polym12122928
Received: 10 November 2020 / Revised: 28 November 2020 / Accepted: 30 November 2020 / Published: 7 December 2020
(This article belongs to the Section Polymer Composites and Nanocomposites)
Awareness of environmental issues has led to increasing interest from composite researchers in using “greener” materials to replace synthetic fiber reinforcements and petrochemical polymer matrices. Natural fiber bio-based thermoplastic composites could be an appropriate choice with advantages including reducing environmental impacts, using renewable resources and being recyclable. The choice of polymer matrix will significantly affect the cost, manufacturing process, mechanical properties and durability of the composite system. The criteria for appropriate monomers are based on the processing temperature and viscosity, polymer mechanical properties, recyclability, etc. This review considers the selection of thermoplastic monomers suitable for in situ polymerization during resin, now monomer, infusion under flexible tooling (RIFT, now MIFT), with a primary focus on marine composite applications. Given the systems currently available, methyl methacrylate (MMA) may be the most suitable monomer, especially for marine composites. MMA has low process temperatures, a long open window for infusion, and low moisture absorption. However, end-of-life recovery may be limited to matrix depolymerization. Bio-based MMA is likely to become commercially available in a few years. Polylactide (PLA) is an alternative infusible monomer, but the relatively high processing temperature may require expensive consumable materials and could compromise natural fiber properties. View Full-Text
Keywords: thermoplastic; natural fiber; vacuum infusion; monomer thermoplastic; natural fiber; vacuum infusion; monomer
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MDPI and ACS Style

Qin, Y.; Summerscales, J.; Graham-Jones, J.; Meng, M.; Pemberton, R. Monomer Selection for In Situ Polymerization Infusion Manufacture of Natural-Fiber Reinforced Thermoplastic-Matrix Marine Composites. Polymers 2020, 12, 2928. https://doi.org/10.3390/polym12122928

AMA Style

Qin Y, Summerscales J, Graham-Jones J, Meng M, Pemberton R. Monomer Selection for In Situ Polymerization Infusion Manufacture of Natural-Fiber Reinforced Thermoplastic-Matrix Marine Composites. Polymers. 2020; 12(12):2928. https://doi.org/10.3390/polym12122928

Chicago/Turabian Style

Qin, Yang; Summerscales, John; Graham-Jones, Jasper; Meng, Maozhou; Pemberton, Richard. 2020. "Monomer Selection for In Situ Polymerization Infusion Manufacture of Natural-Fiber Reinforced Thermoplastic-Matrix Marine Composites" Polymers 12, no. 12: 2928. https://doi.org/10.3390/polym12122928

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