Analysis of glass fibre sizing

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Abstract

Glass fibre reinforced polymer composites are widely used for industrial and engineering applications which include construction, aerospace, automotive and wind energy industry. During the manufacturing glass fibres, they are surface-treated with an aqueous solution. This process and the treated surfaces are called sizing. The sizing influences the properties of the interface between fibres and a matrix, and subsequently affects mechanical properties of composites.
In this work the sizing of commercially available glass fibres was analysed so as to study the composition and chemical structures. Soxhlet extraction was used to extract components of the sizing from the glass fibres. The glass fibres, their extracts and coated glass plates were analysed by Thermo-Gravimetric Analysis combined with a mass spectrometer (TGA-MS), and Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR) spectroscopy. Commercially available silane coupling agents were also analysed by ATR-FTIR in order to identify components in the sizing. The results indicate that the analysed fibres have both bonded and physisorbed sizing, containing a film former and a coupling agent.
Original languageEnglish
Title of host publicationProceedings of the 28th International Conference on Surface Modification Technologies
Number of pages8
Publication date2014
Publication statusPublished - 2014
Event28th International Conference on Surface Modification Technologies - Tampere University of Technology, Tampere, Finland
Duration: 16 Jun 201418 Jun 2014
Conference number: 28
http://www.tut.fi/en/international-conference-on-surface-modification-technologies/index.htm

Conference

Conference28th International Conference on Surface Modification Technologies
Number28
LocationTampere University of Technology
CountryFinland
CityTampere
Period16/06/201418/06/2014
Internet address

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