Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Extrusion of Softwood Kraft Lignins as Precursors for Carbon Fibres
RISE, Innventia.
RISE, Innventia.
RISE, Innventia.
RISE, Innventia.
Show others and affiliations
2015 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 10, no 4, 7544Article in journal (Refereed) Published
Abstract [en]

There is much interest in using less expensive raw materials as precursors for carbon fibre manufacture to increase the utilisation of strong, light-weight composite materials in the transportation sector. One such potential raw material is lignin. Most studies exploring melt spinning of lignin have used lignins from organosolv or hardwood kraft delignification processes. There has been little success reported in utilisation of the more commercially available softwood kraft lignins. In this study, lignins from different softwood kraft cooking processes were investigated with respect to their melt spinning performance and conversion to carbon fibres. The isolated lignins differed mainly in molecular weight, glass transition temperature, and softening temperature. All of the lignins produced from the laboratory cooks could be extruded without any plasticizer addition. However, the lignins contained volatiles that resulted in bubbles being formed along the length of the fibres. After vacuum drying, at elevated temperatures to remove volatiles, only the lignin originating from conventional kraft cooking was able to be melt extruded without plasticiser addition; this lignin had the lowest molecular weight amongst the samples. The stabilisation and carbonisation of these fibres gave carbon fibres with strengths comparable to those produced from lignins of other origins.

Place, publisher, year, edition, pages
2015. Vol. 10, no 4, 7544
Keyword [en]
carbon fibre, kraft lignin, kraft pulping, softwood, strengt properties
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-12639OAI: oai:DiVA.org:ri-12639DiVA: diva2:971221
Available from: 2016-09-15 Created: 2016-09-15 Last updated: 2016-09-15Bibliographically approved

Open Access in DiVA

No full text

Other links

http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_4_7544_Salmen_Extrusion_Softwood_Kraft_Lignins
By organisation
Innventia
In the same journal
BioResources
Paper, Pulp and Fiber Technology

Search outside of DiVA

GoogleGoogle Scholar

Total: 22 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
v. 2.27.0