Strong and stiff: High-performance cellulose nanocrystal/poly(vinyl alcohol) composite fibers

Won Jun Lee; Adam J. Clancy; Eero Kontturi; Alexander Bismarck; Milo S P Shaffer

doi:10.1021/acsami.6b11578

Strong and stiff: High-performance cellulose nanocrystal/poly(vinyl alcohol) composite fibers

Won Jun Lee, Adam J. Clancy, Eero Kontturi, Alexander Bismarck, Milo S P Shaffer^*

^*Corresponding author for this work

Department of Bioproducts and Biosystems

Research output: Contribution to journal › Article › Scientific › peer-review

61 Citations (Scopus)

135 Downloads (Pure)

Abstract

The mechanical properties of rodlike cellulose nanocrystals (CNCs) suggest great potential as bioderived reinforcement in (nano)composites. Poly(vinyl alcohol) (PVOH) is a useful industrial material and very compatible with CNC chemistry. High performance CNC/PVOH composite fibers were produced coaxial coagulation spinning, followed by hot-drawing. We showed that CNCs increase the alignment and crystallinity of PVOH, as well as providing direct reinforcement, leading to enhanced fiber strength and stiffness. At 40 wt % CNC loading, the strength and stiffness reached 880 MPa and 29.9 GPa, exceeding the properties of most other nanocellulose based composite fibers previously reported.

Original language	English
Pages (from-to)	31500-31504
Number of pages	5
Journal	ACS Applied Materials and Interfaces
Volume	8
Issue number	46
DOIs	https://doi.org/10.1021/acsami.6b11578
Publication status	Published - 23 Nov 2016
MoE publication type	A1 Journal article-refereed

Keywords

cellulose nanocrystal
composite
fiber
nanocellulose
poly vinyl alcohol

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10.1021/acsami.6b11578Licence: CC BY

Lee et al-2016-Strong and stiffFinal published version, 3.75 MBLicence: CC BY

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title = "Strong and stiff: High-performance cellulose nanocrystal/poly(vinyl alcohol) composite fibers",

abstract = "The mechanical properties of rodlike cellulose nanocrystals (CNCs) suggest great potential as bioderived reinforcement in (nano)composites. Poly(vinyl alcohol) (PVOH) is a useful industrial material and very compatible with CNC chemistry. High performance CNC/PVOH composite fibers were produced coaxial coagulation spinning, followed by hot-drawing. We showed that CNCs increase the alignment and crystallinity of PVOH, as well as providing direct reinforcement, leading to enhanced fiber strength and stiffness. At 40 wt % CNC loading, the strength and stiffness reached 880 MPa and 29.9 GPa, exceeding the properties of most other nanocellulose based composite fibers previously reported.",

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AU - Shaffer, Milo S P

PY - 2016/11/23

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AB - The mechanical properties of rodlike cellulose nanocrystals (CNCs) suggest great potential as bioderived reinforcement in (nano)composites. Poly(vinyl alcohol) (PVOH) is a useful industrial material and very compatible with CNC chemistry. High performance CNC/PVOH composite fibers were produced coaxial coagulation spinning, followed by hot-drawing. We showed that CNCs increase the alignment and crystallinity of PVOH, as well as providing direct reinforcement, leading to enhanced fiber strength and stiffness. At 40 wt % CNC loading, the strength and stiffness reached 880 MPa and 29.9 GPa, exceeding the properties of most other nanocellulose based composite fibers previously reported.

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