Journal
CARBOHYDRATE POLYMERS
Volume 88, Issue 1, Pages 395-398Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2011.12.016
Keywords
Electrospinning; Lignocellulosic biomass; Cellulose; Hemp; Ionic liquid
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Funding
- Ministry of Knowledge Economy (MKE)
- Korea Industrial Technology Foundation (KOTEF)
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Nanoscale fiber was successfully electrospun from lignocellulosic biomass (hemp) dissolved by IL (1-ethyl-3-methylimiazolium acetate [C-2 min][OAc]). The biomass was treated by alkalis, NaOH and NaClO2 for different time to reduce the lignin content. For better spinnability, excess DMF was added to the spinning dope. When the residual lignin content was higher than 6%, the solution was sprayed into mist type droplets or formed large drops at the end of the nozzle without forming stable jet. The further reduction of the lignin resulted in more stable jet and better spinnability as well as smaller and uniform fiber diameter. (C) 2012 Elsevier Ltd. All rights reserved.
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