Journal
POLYMER TESTING
Volume 54, Issue -, Pages 233-243Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2016.07.020
Keywords
Polylactide; Toughening; High strain rate behavior; Industrialization
Funding
- CISIT
- Nord-Pas-de-Calais Region
- European Community
- Regional Delegation for Research and Technology
- Ministry of Higher Education and Research
- National Center for Scientific Research
- Region Wallonne
- European Community (FEDER, FSE)
- Belgian Federal Government Office Policy of Science (SSTC) [PAI-7/05]
- F.R.I.A.
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The suitability of a ternary composition 58 wt% polylactide (PLA) - 25 wt% poly(methyl methacrylate) (PMMA) - 17 wt% Impact modifier (Biostrong) for use in technical parts subjected to severe loading conditions was investigated. As a key point, its tensile behavior under high-strain-rate loading, for the moment at ambient temperature, was studied, which has not been done before for any PLA-based composition. Prior to dynamic tensile tests, it was verified that the appealing mechanical properties of PLA-PMMA-Biostrong composition previously achieved with material processed at laboratory scale are kept when the material is produced using industrial extrusion and injection processes. Finally, industrially produced PLA-PMMA-Biostrong composition showed high levels of tensile strength, rigidity and ductility for a wide range of strain-rate and is, therefore, suitable for use in highly-loaded technical parts. (C) 2016 Elsevier Ltd. All rights reserved.
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