Novel Insight into the Separation and Composite Utilization of Sclerenchyma Fiber Bundles of Willow Bark

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@article{3cfb6339db0442d6b8741aff1d5aaa5c,
title = "Novel Insight into the Separation and Composite Utilization of Sclerenchyma Fiber Bundles of Willow Bark",
abstract = "The bark from fast-growing willow crops contains long and strong sclerenchyma fiber bundles, which could potentially replace the pulp and annual plant fibers currently used to reinforce green polymer composites. Here we successfully demonstrate the isolation of fiber bundles of willow bark with a simple alkali treatment under much milder conditions than what pulp fiber separation requires. The fiber bundles separated had hydrophobic surfaces, which made them compatible with polymers, in this case with polylactic acid, without using any additives. The most hydrophobic fiber bundles of willow bark provided the strongest and toughest composites, superior to the corresponding isotropic composites of pulp and flax fibers. Integration of the fiber bundle isolation with a prior recovery of hot water extractable aromatics from the bark and further processing of the debarked willow stems into bioethanol and lignin, for example, could make the full valorization of the willow biomass feasible.",
keywords = "Bark, Fiber bundle, Renewable resources, Sustainable chemistry, Willow",
author = "Jinze Dou and Jouni Paltakari and Johansson, {Leena Sisko} and Tapani Vuorinen",
year = "2019",
month = "1",
day = "4",
doi = "10.1021/acssuschemeng.8b04001",
language = "English",
volume = "7",
pages = "2964--2970",
journal = "ACS Sustainable Chemistry and Engineering",
issn = "2168-0485",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "3",

}

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TY - JOUR

T1 - Novel Insight into the Separation and Composite Utilization of Sclerenchyma Fiber Bundles of Willow Bark

AU - Dou, Jinze

AU - Paltakari, Jouni

AU - Johansson, Leena Sisko

AU - Vuorinen, Tapani

PY - 2019/1/4

Y1 - 2019/1/4

N2 - The bark from fast-growing willow crops contains long and strong sclerenchyma fiber bundles, which could potentially replace the pulp and annual plant fibers currently used to reinforce green polymer composites. Here we successfully demonstrate the isolation of fiber bundles of willow bark with a simple alkali treatment under much milder conditions than what pulp fiber separation requires. The fiber bundles separated had hydrophobic surfaces, which made them compatible with polymers, in this case with polylactic acid, without using any additives. The most hydrophobic fiber bundles of willow bark provided the strongest and toughest composites, superior to the corresponding isotropic composites of pulp and flax fibers. Integration of the fiber bundle isolation with a prior recovery of hot water extractable aromatics from the bark and further processing of the debarked willow stems into bioethanol and lignin, for example, could make the full valorization of the willow biomass feasible.

AB - The bark from fast-growing willow crops contains long and strong sclerenchyma fiber bundles, which could potentially replace the pulp and annual plant fibers currently used to reinforce green polymer composites. Here we successfully demonstrate the isolation of fiber bundles of willow bark with a simple alkali treatment under much milder conditions than what pulp fiber separation requires. The fiber bundles separated had hydrophobic surfaces, which made them compatible with polymers, in this case with polylactic acid, without using any additives. The most hydrophobic fiber bundles of willow bark provided the strongest and toughest composites, superior to the corresponding isotropic composites of pulp and flax fibers. Integration of the fiber bundle isolation with a prior recovery of hot water extractable aromatics from the bark and further processing of the debarked willow stems into bioethanol and lignin, for example, could make the full valorization of the willow biomass feasible.

KW - Bark

KW - Fiber bundle

KW - Renewable resources

KW - Sustainable chemistry

KW - Willow

UR - http://www.scopus.com/inward/record.url?scp=85060282499&partnerID=8YFLogxK

U2 - 10.1021/acssuschemeng.8b04001

DO - 10.1021/acssuschemeng.8b04001

M3 - Article

AN - SCOPUS:85060282499

VL - 7

SP - 2964

EP - 2970

JO - ACS Sustainable Chemistry and Engineering

JF - ACS Sustainable Chemistry and Engineering

SN - 2168-0485

IS - 3

ER -

ID: 31642582