A fast method to prepare mechanically strong and water resistant lignocellulosic nanopapers

Research output: Contribution to journalArticleScientificpeer-review

Standard

A fast method to prepare mechanically strong and water resistant lignocellulosic nanopapers. / Sethi, Jatin; Visanko, Miikka; Österberg, Monika; Sirviö, Juho Antti.

In: Carbohydrate Polymers, Vol. 203, 01.01.2019, p. 148-156.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

APA

Vancouver

Author

Sethi, Jatin ; Visanko, Miikka ; Österberg, Monika ; Sirviö, Juho Antti. / A fast method to prepare mechanically strong and water resistant lignocellulosic nanopapers. In: Carbohydrate Polymers. 2019 ; Vol. 203. pp. 148-156.

Bibtex - Download

@article{293ba47d7b104436a7a07cae93218ff2,
title = "A fast method to prepare mechanically strong and water resistant lignocellulosic nanopapers",
abstract = "This study covers a green method to prepare hybrid lignocellulosic nanopapers by combining wood nanofibres (WNFs) and cellulose nanofibres (CNFs). The WNFs and CNFs behave synergistically to compensate for the drawbacks of each other resulting in enhanced hybrid nanopapers. The draining time of hybrid nanopapers was improved by up to 75{\%} over CNF nanopaper, and the mechanical properties, modulus, strength and elongation, were respectively improved up to 35{\%}, 90{\%} and 180{\%} over WNF nanopaper. Additionally, the water resistance of hybrid nanopapers was considerably improved with a water contact angle of 95°; the neat CNF nanopaper had a contact angle of 52°. The morphology of nanopapers, studied by electron microscopy, indicated that lignin acts as a matrix, which binds the nanofibres together and makes them impervious to external environmental factors, such as high humidity. The reported hybrid nanopapers are 100{\%} bio-based, prepared by a simple and environmentally friendly processing route. Reported hybrid nanopapers can be used in novel applications such as gas barrier membranes and printable electronics.",
keywords = "Cellulose nanofibres, Dewatering, Hybrid nanopapers, Thermal properties, Water resistance, Wood nanofibres, HYDROPHOBIC CELLULOSE, BARRIER, CELLULOSE NANOFIBRILS, THERMAL-DECOMPOSITION, FIBER, CRYSTALLITE SIZE, FILMS, HIGH TOUGHNESS, TRANSPARENT, LIGNIN",
author = "Jatin Sethi and Miikka Visanko and Monika {\"O}sterberg and Sirvi{\"o}, {Juho Antti}",
year = "2019",
month = "1",
day = "1",
doi = "10.1016/j.carbpol.2018.09.037",
language = "English",
volume = "203",
pages = "148--156",
journal = "Carbohydrate Polymers",
issn = "0144-8617",

}

RIS - Download

TY - JOUR

T1 - A fast method to prepare mechanically strong and water resistant lignocellulosic nanopapers

AU - Sethi, Jatin

AU - Visanko, Miikka

AU - Österberg, Monika

AU - Sirviö, Juho Antti

PY - 2019/1/1

Y1 - 2019/1/1

N2 - This study covers a green method to prepare hybrid lignocellulosic nanopapers by combining wood nanofibres (WNFs) and cellulose nanofibres (CNFs). The WNFs and CNFs behave synergistically to compensate for the drawbacks of each other resulting in enhanced hybrid nanopapers. The draining time of hybrid nanopapers was improved by up to 75% over CNF nanopaper, and the mechanical properties, modulus, strength and elongation, were respectively improved up to 35%, 90% and 180% over WNF nanopaper. Additionally, the water resistance of hybrid nanopapers was considerably improved with a water contact angle of 95°; the neat CNF nanopaper had a contact angle of 52°. The morphology of nanopapers, studied by electron microscopy, indicated that lignin acts as a matrix, which binds the nanofibres together and makes them impervious to external environmental factors, such as high humidity. The reported hybrid nanopapers are 100% bio-based, prepared by a simple and environmentally friendly processing route. Reported hybrid nanopapers can be used in novel applications such as gas barrier membranes and printable electronics.

AB - This study covers a green method to prepare hybrid lignocellulosic nanopapers by combining wood nanofibres (WNFs) and cellulose nanofibres (CNFs). The WNFs and CNFs behave synergistically to compensate for the drawbacks of each other resulting in enhanced hybrid nanopapers. The draining time of hybrid nanopapers was improved by up to 75% over CNF nanopaper, and the mechanical properties, modulus, strength and elongation, were respectively improved up to 35%, 90% and 180% over WNF nanopaper. Additionally, the water resistance of hybrid nanopapers was considerably improved with a water contact angle of 95°; the neat CNF nanopaper had a contact angle of 52°. The morphology of nanopapers, studied by electron microscopy, indicated that lignin acts as a matrix, which binds the nanofibres together and makes them impervious to external environmental factors, such as high humidity. The reported hybrid nanopapers are 100% bio-based, prepared by a simple and environmentally friendly processing route. Reported hybrid nanopapers can be used in novel applications such as gas barrier membranes and printable electronics.

KW - Cellulose nanofibres

KW - Dewatering

KW - Hybrid nanopapers

KW - Thermal properties

KW - Water resistance

KW - Wood nanofibres

KW - HYDROPHOBIC CELLULOSE

KW - BARRIER

KW - CELLULOSE NANOFIBRILS

KW - THERMAL-DECOMPOSITION

KW - FIBER

KW - CRYSTALLITE SIZE

KW - FILMS

KW - HIGH TOUGHNESS

KW - TRANSPARENT

KW - LIGNIN

UR - http://www.scopus.com/inward/record.url?scp=85054040342&partnerID=8YFLogxK

U2 - 10.1016/j.carbpol.2018.09.037

DO - 10.1016/j.carbpol.2018.09.037

M3 - Article

VL - 203

SP - 148

EP - 156

JO - Carbohydrate Polymers

JF - Carbohydrate Polymers

SN - 0144-8617

ER -

ID: 28704078