Effect of tin fluoride content on the structure and properties of phosphate glass – polyamide 11 hybrids

Journal article


Serio, L, Gawne, DT and Bao, Y (2017). Effect of tin fluoride content on the structure and properties of phosphate glass – polyamide 11 hybrids. European Polymer Journal. 99, pp. 134-141. https://doi.org/10.1016/j.eurpolymj.2017.12.012
AuthorsSerio, L, Gawne, DT and Bao, Y
Abstract

This research investigates tin-fluoride phosphate glasses as liquid-phase fillers in polyamide 11. Optimizing the tin-fluoride content was shown to reduce the glass-transition temperature of the glass down to 106oC and enable both constituents of the composite to be fluid during processing. During extrusion, the phosphate glass was elongated into threads and ultimately broken up into droplets. The interaction parameter between the phosphate and polyamide was found to be - 0.012 due to molecular interactions and enhanced solubility of the ultrafine glass particles. All hybrids showed limited ductility due to the inability of the pinned polymer chains to be drawn into an expanding stable neck. However, there were major increases in both the Young's modulus and flexural modulus owing to the strengthening of molecular bonds by the phosphate-polyamide interactions.

KeywordsGlasses; Polymer-matrix composites; Mechanical properties; Microstructure.; 0303 Macromolecular And Materials Chemistry; 0904 Chemical Engineering; 0912 Materials Engineering; Polymers
Year2017
JournalEuropean Polymer Journal
Journal citation99, pp. 134-141
PublisherElsevier
ISSN0014-3057
Digital Object Identifier (DOI)https://doi.org/10.1016/j.eurpolymj.2017.12.012
Publication dates
Print14 Dec 2017
Publication process dates
Deposited26 Feb 2018
Accepted13 Dec 2017
Accepted author manuscript
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Open
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