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  • Cailloux, JonathanUniversitat Politecnica de Catalunya,Polytechnic University of Catalonia (author)

Melt-processing of cellulose nanofibril/polylactide bionanocomposites via a sustainable polyethylene glycol-based carrier system

  • Article/chapterEnglish2019

Publisher, publication year, extent ...

  • Elsevier BV,2019

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:1c02520d-21e6-4e84-85a7-88725786b517
  • https://research.chalmers.se/publication/511874URI
  • https://doi.org/10.1016/j.carbpol.2019.115188DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Considering the appealing need for an industrially viable approach, this works aims at demonstrating the rapid and easy melt processing of Polylactide (PLA) bio-composites reinforced with cellulose nanofibrils (CNF). For this purpose and against to their high propensity to self-aggregate on processing, an aqueous CNF-based suspension in the presence of polyethylene glycol (PEG) followed by a gentle drying way were performed to provide melt-processable CNF-based masterbatches. Morphological observations coupled with rheological analyses confirmed how the strategy of the PEG-based masterbatch approach facilitated the formation of a well-dispersed and strongly interacting CNF network within the polymeric matrix. At temperatures above Tg, thermo-mechanical characterization showed that the load-bearing capacity of the web-like CNF network was even more apparent and counteracted the PEG plasticizing effect. Thermogravimetric analysis evidenced that in the case of selective positioning at the PLA-PEG interface, CNF mitigated the negative impact of PEG addition on the PLA thermal stability. These results revealed the successfulness of our sustainable organic solvent-free approach to prepare melt-processable CNF masterbatches, which can be readily converted into conventional industrially scalable melt-processing techniques.

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  • Raquez, Jean MarieUniversite de Mons (author)
  • Lo Re, Giada,1971Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)giadal (author)
  • Santana, OrlandoUniversitat Politecnica de Catalunya,Polytechnic University of Catalonia (author)
  • Bonnaud, LeilaUniversite de Mons (author)
  • Dubois, PhilippeUniversite de Mons (author)
  • Maspoch, Maria LluïsaUniversitat Politecnica de Catalunya,Polytechnic University of Catalonia (author)
  • Universitat Politecnica de CatalunyaUniversite de Mons (creator_code:org_t)

Related titles

  • In:Carbohydrate Polymers: Elsevier BV2240144-8617

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