Compression RTM of reactive thermoplastic composites using microwaves and cure monitoring

Pantelelis, Nikos; Bistekos, Efthymios; Emmerich, Rudolf; Gérard, Pierre; Zoller, Alexander; Gallardo, Rocio Ruiz

doi:10.1016/j.procir.2019.10.005

Cited by 14 publications

(14 citation statements)

References 5 publications

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“…This rate change was believed to be attributed to an autoacceleration phenomenon (the gel effect), reported to induce a high degree of exotherm in bulk free radical polymerisation. Peak exotherm temperatures of 45°C [30] and 77-90°C [22] have been reported for thin and thick sections, respectively. An increase in laminate thickness from 3.8 mm to 11.3 mm has been shown…”

Section: Polymerisation Exothermmentioning

confidence: 93%

Continuous fibre-reinforced thermoplastic acrylic-matrix composites prepared by liquid resin infusion – A review

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Brádaigh

Ray

2021

Composites Part B: Engineering

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Section: Polymerisation Exothermmentioning

confidence: 93%

Continuous fibre-reinforced thermoplastic acrylic-matrix composites prepared by liquid resin infusion – A review

Obande

Brádaigh

Ray

2021

Composites Part B: Engineering

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“…Recently, a MMA reactive system called Elium® was developed by Arkema for TP‐RTM applications, with the resin being available with various viscosities ranging from 100 to 500 mPa·s at 25°C. [ 60 ] The short processing time gives Elium® a great advantage in the composite industry, allowing for the production of parts in a very short time. In addition, Elium® resins are liquid at room temperature, and do not require melting.…”

Section: Reactive Thermoplastic Systems In Tp‐rtm Processmentioning

confidence: 99%

Thermoplastic matrix‐based composites produced by resin transfer molding: A review

et al. 2022

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The recycling of thermoset-based composites is challenging. The replacement of thermosetting resins with thermoplastics is an initial step to address this issue, together with the use of green reinforcements. Owing to the recent development of low-viscosity thermoplastic resins, it is possible to produce thermoplastic matrix composites using the resin transfer molding (RTM) technique, which was originally conceived for the production of thermosetting matrix composites. These resins are based on cyclic esters, methyl methacrylate, and cyclic (butylene terephthalate) oligomers. This review presents the state-of-the-art works reported on the production of thermoplastic matrix composites via a thermoplastic RTM (TP-RTM) process, from the in situ polymerization of the resins through the optimization of the TP-RTM parameters for the evaluation of the composite properties.

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“…Synthesites has developed a new process monitoring system based on the direct measurement of resistivity (DC-based), with a focus on industrial manufacturing [ 11 ]. The Optimold system directly measures resin resistivity and temperature using specialized sensors capable of the in-situ measurement of the resin’s resistance, from very low values at high temperatures to fully cured resins, with the measured resistance ranging from 105 Ohm up to 1014 Ohm [ 12 ].…”

Section: Introductionmentioning

confidence: 99%

Online Cure Monitoring and Modelling of Cyanate Ester-Based Composites for High Temperature Applications

et al. 2021

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A cure kinetics investigation of a high temperature-resistant phenol novolac cyanate ester toughened with polyether sulfone (CE-PES blend) was undertaken using non-isothermal differential scanning calorimetry. Thin ply carbon fiber prepreg, based on the CE-PES formulation, was fabricated, and plates for further in-situ cure monitoring were manufactured using automated fiber placement. Online monitoring of the curing behavior utilizing Optimold sensors and Online Resin State software from Synthesites was carried out. The estimation of the glass transition temperature and degree of cure allowed us to compare real time data with the calculated parameters of the CE-PES formulation. Alongside a good agreement between the observed online data and predicted model, the excellent performance of the developed sensors at temperatures above 260 °C was also demonstrated.

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Compression RTM of reactive thermoplastic composites using microwaves and cure monitoring

Cited by 14 publications

References 5 publications

Continuous fibre-reinforced thermoplastic acrylic-matrix composites prepared by liquid resin infusion – A review

Continuous fibre-reinforced thermoplastic acrylic-matrix composites prepared by liquid resin infusion – A review

Thermoplastic matrix‐based composites produced by resin transfer molding: A review

Online Cure Monitoring and Modelling of Cyanate Ester-Based Composites for High Temperature Applications

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