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Controlling mass loss from RTM6 epoxy resin under simulated vacuum infusion conditions

Parsons, Andrew J.; Gonciaruk, Aleksandra; Zeng, Xuesen; Thomann, Fernando Sarce; Schubel, Peter; Lorrillard, Julien; Johnson, Michael S.

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Authors

Aleksandra Gonciaruk

Xuesen Zeng

Fernando Sarce Thomann

Peter Schubel

Julien Lorrillard



Abstract

A certified aerospace resin (RTM 6) normally utilised for resin transfer moulding is considered for vacuum infusion. The resin was subjected to simulated vacuum infusion conditions by using a specialised thermogravimetric analysis that enables control of pressure as well as temperature. By varying conditions, it was possible to investigate the expected occurrence of volatile loses during infusion that could cause mechanical or cosmetic defects in a part. With particular reference to RTM6, it was determined that full vacuum could be used for infusion provided that the temperature was kept below ∼130 °C. Higher temperatures could be used, but the applied vacuum should be significantly reduced. Of note is that the manufacturers datasheet recommends processing parameters that could result in volatile loss. As such, the pressure enhanced TGA method may be considered more widely for providing processing conditions supplemental to the manufacturers recommendation for any liquid resin used under vacuum conditions.

Journal Article Type Article
Acceptance Date Jan 5, 2022
Online Publication Date Jan 7, 2022
Publication Date Mar 1, 2022
Deposit Date Jan 17, 2022
Publicly Available Date Jan 17, 2022
Journal Polymer Testing
Print ISSN 0142-9418
Publisher Elsevier BV
Peer Reviewed Peer Reviewed
Volume 107
Article Number 107473
DOI https://doi.org/10.1016/j.polymertesting.2022.107473
Keywords Polymers and Plastics; Organic Chemistry
Public URL https://nottingham-repository.worktribe.com/output/7274952
Publisher URL https://www.sciencedirect.com/science/article/pii/S0142941822000022?via%3Dihub

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