Journal
ACS Applied Materials & Interfaces
Volume 8, Issue 46, Pages 31500-31504Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b11578
Keywords
nanocellulose; cellulose nanocrystal; poly vinyl alcohol; composite; fiber
Funding
- UK Engineering and Physical Sciences Research Council (EPSRC) [EP/I02946X/1]
- University of Bristol
- Academy of Finland [259500]
- EPSRC [EP/I02946X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I02946X/1] Funding Source: researchfish
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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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