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- Title
Design of highly tough poly( l-lactide)-based ternary blends for automotive applications.
- Authors
Bouzouita, Amani; Samuel, Cédric; Notta‐Cuvier, Delphine; Odent, Jérémy; Lauro, Franck; Dubois, Philippe; Raquez, Jean‐Marie
- Abstract
ABSTRACT Technical renewable poly( l-lactide) (PLA)-based blends represent an elegant way to achieve attractive properties for engineering applications. Recently, the miscibility between PLA and poly(methyl methacrylate) (PMMA) gave rise to new formulations with enhanced thermo-mechanical properties but their high brittleness still remains a challenge to be overcome. This work here focuses on rubber-toughened PLA/PMMA formulations for injection-molding processes upon the addition of a commercially available ethylene-acrylate impact modifier (BS). The miscibility between PLA and PMMA is not altered by the presence of BS but the incorporation of BS (17% by weight) into a PLA/PMMA matrix could enhance both ductility and toughness of PLA/PMMA blends for PMMA content up to 50 wt %. An optimum range of particle sizes ( dn ∼0.5 µm) of the dispersed domains for high impact toughness is identified. These bio-based ternary blends appear as promising alternatives to petro-sourced blends such as ABS-based blends in engineering injection-molding parts. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43402.
- Subjects
PARTICLE analysis; POLYMER analysis; ACRYLATES; INJECTION molding; MOLECULAR weights
- Publication
Journal of Applied Polymer Science, 2016, Vol 133, Issue 19, pn/a
- ISSN
0021-8995
- Publication type
Article
- DOI
10.1002/app.43402