Conversion of wood-biopolymers into macrofibers with tunable surface energy via dry-jet wet-spinning

Research output: Contribution to journalArticleScientificpeer-review

Standard

Conversion of wood-biopolymers into macrofibers with tunable surface energy via dry-jet wet-spinning. / Nypelö, Tiina; Asaadi, Shirin; Kneidinger, Günther; Sixta, Herbert; Konnerth, Johannes.

In: Cellulose, Vol. 25, No. 9, 2018, p. 5297–5307.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

APA

Vancouver

Author

Nypelö, Tiina ; Asaadi, Shirin ; Kneidinger, Günther ; Sixta, Herbert ; Konnerth, Johannes. / Conversion of wood-biopolymers into macrofibers with tunable surface energy via dry-jet wet-spinning. In: Cellulose. 2018 ; Vol. 25, No. 9. pp. 5297–5307.

Bibtex - Download

@article{7c22afa6e00b447681936818b328f317,
title = "Conversion of wood-biopolymers into macrofibers with tunable surface energy via dry-jet wet-spinning",
abstract = "Abstract: Surface chemistry of regenerated all-wood-biopolymer fibers that are fine-tuned by composition of cellulose, lignin and xylan is elucidated via revealing their surface energy and adhesion. Xylan additive resulted in thin fibers and decreased surface energy of the fiber outer surfaces compared to the cellulose fibers, or when lignin was used as an additive. Lignin increased the water contact angle on the fiber surface and decreased adhesion force between the fiber cross section and a hydrophilic probe, confirming that lignin reduced fiber surface affinity to water. Lignin and xylan enabled fiber decoration with charged groups that could tune the adhesion force between the fiber and an AFM probe. The fibers swelled in water: the neat cellulose fiber cross section area increased 9.2{\%}, the fibers with lignin as the main additive 9.1{\%}, with xylan 6.8{\%}, and the 3-component fibers 5.5{\%}. This indicates that dimensional stability in elevated humidity is improved in the case of 3-component fiber compared to 2-component fibers. Xylan or lignin as an additive neither improved strength nor elongation at break. However, improved deformability was achieved when all the three components were incorporated into the fibers. Graphical Abstract: [Figure not available: see fulltext.]",
keywords = "Adhesion force mapping, Fiber surface energy, Forest biomaterials, Regenerated fibers, Wood-biopolymers",
author = "Tiina Nypel{\"o} and Shirin Asaadi and G{\"u}nther Kneidinger and Herbert Sixta and Johannes Konnerth",
note = "HUOM! T{\"A}H{\"A}N PIT{\"A}{\"A} LIS{\"A}T{\"A} VIKA VERSIO KUN SE ON SAATAVILLA. NOTE! Insert the final version when available.",
year = "2018",
doi = "10.1007/s10570-018-1902-4",
language = "English",
volume = "25",
pages = "5297–5307",
journal = "Cellulose",
issn = "0969-0239",
number = "9",

}

RIS - Download

TY - JOUR

T1 - Conversion of wood-biopolymers into macrofibers with tunable surface energy via dry-jet wet-spinning

AU - Nypelö, Tiina

AU - Asaadi, Shirin

AU - Kneidinger, Günther

AU - Sixta, Herbert

AU - Konnerth, Johannes

N1 - HUOM! TÄHÄN PITÄÄ LISÄTÄ VIKA VERSIO KUN SE ON SAATAVILLA. NOTE! Insert the final version when available.

PY - 2018

Y1 - 2018

N2 - Abstract: Surface chemistry of regenerated all-wood-biopolymer fibers that are fine-tuned by composition of cellulose, lignin and xylan is elucidated via revealing their surface energy and adhesion. Xylan additive resulted in thin fibers and decreased surface energy of the fiber outer surfaces compared to the cellulose fibers, or when lignin was used as an additive. Lignin increased the water contact angle on the fiber surface and decreased adhesion force between the fiber cross section and a hydrophilic probe, confirming that lignin reduced fiber surface affinity to water. Lignin and xylan enabled fiber decoration with charged groups that could tune the adhesion force between the fiber and an AFM probe. The fibers swelled in water: the neat cellulose fiber cross section area increased 9.2%, the fibers with lignin as the main additive 9.1%, with xylan 6.8%, and the 3-component fibers 5.5%. This indicates that dimensional stability in elevated humidity is improved in the case of 3-component fiber compared to 2-component fibers. Xylan or lignin as an additive neither improved strength nor elongation at break. However, improved deformability was achieved when all the three components were incorporated into the fibers. Graphical Abstract: [Figure not available: see fulltext.]

AB - Abstract: Surface chemistry of regenerated all-wood-biopolymer fibers that are fine-tuned by composition of cellulose, lignin and xylan is elucidated via revealing their surface energy and adhesion. Xylan additive resulted in thin fibers and decreased surface energy of the fiber outer surfaces compared to the cellulose fibers, or when lignin was used as an additive. Lignin increased the water contact angle on the fiber surface and decreased adhesion force between the fiber cross section and a hydrophilic probe, confirming that lignin reduced fiber surface affinity to water. Lignin and xylan enabled fiber decoration with charged groups that could tune the adhesion force between the fiber and an AFM probe. The fibers swelled in water: the neat cellulose fiber cross section area increased 9.2%, the fibers with lignin as the main additive 9.1%, with xylan 6.8%, and the 3-component fibers 5.5%. This indicates that dimensional stability in elevated humidity is improved in the case of 3-component fiber compared to 2-component fibers. Xylan or lignin as an additive neither improved strength nor elongation at break. However, improved deformability was achieved when all the three components were incorporated into the fibers. Graphical Abstract: [Figure not available: see fulltext.]

KW - Adhesion force mapping

KW - Fiber surface energy

KW - Forest biomaterials

KW - Regenerated fibers

KW - Wood-biopolymers

UR - http://www.scopus.com/inward/record.url?scp=85048809738&partnerID=8YFLogxK

U2 - 10.1007/s10570-018-1902-4

DO - 10.1007/s10570-018-1902-4

M3 - Article

VL - 25

SP - 5297

EP - 5307

JO - Cellulose

JF - Cellulose

SN - 0969-0239

IS - 9

ER -

ID: 26220253