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Characterisation of solution cast cellulose nanofibre – reinforced poly(lactic acid)

Express polymer letters, 2010, Vol.4 (1), p.26-31 [Peer Reviewed Journal]

ISSN: 1788-618X ;EISSN: 1788-618X ;DOI: 10.3144/expresspolymlett.2010.5

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  • Title:
    Characterisation of solution cast cellulose nanofibre – reinforced poly(lactic acid)
  • Author: Liu, D. Y. ; Yuan, X. W. ; Bhattacharyya, D. ; Easteal, A. J.
  • Subjects: biopolymer ; cesp4 ; nanocellulose ; poly(lactic acid) (PLA) ; Polymer composites
  • Is Part Of: Express polymer letters, 2010, Vol.4 (1), p.26-31
  • Description: Cellulose nanofibres, 20 nm in diameter and 300 nm long, were prepared by acid hydrolysis of flax yarns. Composite films containing 2.5 and 5.0 wt% flax cellulose (FC) fibres were prepared by solution casting of mixtures of poly(lactic acid) (PLA) solution and cellulose nanofibre suspension in chloroform. The resulting composite films and solution cast pure PLA film, with thickness of around 160 m, showed good transparency. For composites with 2.5 and 5.0 wt% FC, the tensile strength increased by 25 and 59% and tensile modulus by 42 and 47%, respectively, compared to pure PLA film. The composite film with 2.5 wt% FC combined high strength and ductility with tensile strength of 24.3 MPa and 70% elongation at break. Flax cellulose appeared to facilitate nucleation and subsequent crystallisation of PLA more effectively in the amorphous composites than in the crystalline composites.
  • Publisher: Budapest University of Technology
  • Language: English
  • Identifier: ISSN: 1788-618X
    EISSN: 1788-618X
    DOI: 10.3144/expresspolymlett.2010.5
  • Source: Geneva Foundation Free Medical Journals at publisher websites
    ROAD: Directory of Open Access Scholarly Resources
    DOAJ Directory of Open Access Journals
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