Lignin nanoparticles modified with tall oil fatty acid for cellulose functionalization

Harri Setälä; Hanna-Leena Alakomi; Arja Paananen; Geza Szilvay; Miriam Kellock; Miikka Lievonen; Ville Liljeström; Eva-Lena Hult; Kalle Lintinen; Monika Österberg; Mauri A. Kostiainen

doi:10.1007/s10570-019-02771-9

Lignin nanoparticles modified with tall oil fatty acid for cellulose functionalization

Harri Setälä^*
, Hanna-Leena Alakomi
, Arja Paananen
, Geza Szilvay
, Miriam Kellock
, Miikka Lievonen
, Ville Liljeström
, Eva-Lena Hult
, Kalle Lintinen
, Monika Österberg
, Mauri A. Kostiainen

^*Corresponding author for this work

Aalto University

Research output: Contribution to journal › Article › Scientific › peer-review

38 Citations (Scopus)

3 Downloads (Pure)

Abstract

In this study, tall oil fatty acid ester of softwood kraft lignin (TOFA-L) was used to prepare TOFA lignin nanoparticles (TLNP) in water. The average diameters for two prepared TLNPs in 0.1 mg/ml concentration were 140 nm and 160 nm. TLNPs were attached covalently onto modified and unmodified cellulose fibres to form an antimicrobial composite material. The modified cellulose fibres contained reactive allylic double bonds with a degree of substitution of 0.05. The antimicrobial properties of both TLNPs and TLNP coated fibres (TLNP-C) were studied against Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa using silver nanospheres (average size 10 nm) and Lignoboost lignin particles with 300 and 400 nm sizes as references. Antimicrobial activity of the samples was stronger against Gram-positive S. aureus cells than against Gram-negative target microbes E. coli and P. aeruginosa.

Original language	English
Pages (from-to)	273-284
Journal	Cellulose
Volume	27
Early online date	2019
DOIs	https://doi.org/10.1007/s10570-019-02771-9
Publication status	Published - 1 Jan 2020
MoE publication type	A1 Journal article-refereed

Funding

Open access funding provided by Technical Research Centre of Finland (VTT). We are thankful to Aalto University and VTT for financing this research through the Forest meets chemistry program and the FinnCERES program of the Finnish Academy. This work was carried out under the Academy of Finland’s Centers of Excellence Programme (2014–2019) and the FinnCERES programme (2018–2019), and made use of the Aalto University Nanomicroscopy Centre (Aalto NMC).

Keywords

lignin
nanoparticles
cellulose
fatty acid
allylation

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title = "Lignin nanoparticles modified with tall oil fatty acid for cellulose functionalization",

abstract = "In this study, tall oil fatty acid ester of softwood kraft lignin (TOFA-L) was used to prepare TOFA lignin nanoparticles (TLNP) in water. The average diameters for two prepared TLNPs in 0.1 mg/ml concentration were 140 nm and 160 nm. TLNPs were attached covalently onto modified and unmodified cellulose fibres to form an antimicrobial composite material. The modified cellulose fibres contained reactive allylic double bonds with a degree of substitution of 0.05. The antimicrobial properties of both TLNPs and TLNP coated fibres (TLNP-C) were studied against Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa using silver nanospheres (average size 10 nm) and Lignoboost lignin particles with 300 and 400 nm sizes as references. Antimicrobial activity of the samples was stronger against Gram-positive S. aureus cells than against Gram-negative target microbes E. coli and P. aeruginosa.",

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T1 - Lignin nanoparticles modified with tall oil fatty acid for cellulose functionalization

AU - Setälä, Harri

AU - Alakomi, Hanna-Leena

AU - Paananen, Arja

AU - Szilvay, Geza

AU - Kellock, Miriam

AU - Lievonen, Miikka

AU - Liljeström, Ville

AU - Hult, Eva-Lena

AU - Lintinen, Kalle

AU - Österberg, Monika

AU - Kostiainen, Mauri A.

PY - 2020/1/1

Y1 - 2020/1/1

N2 - In this study, tall oil fatty acid ester of softwood kraft lignin (TOFA-L) was used to prepare TOFA lignin nanoparticles (TLNP) in water. The average diameters for two prepared TLNPs in 0.1 mg/ml concentration were 140 nm and 160 nm. TLNPs were attached covalently onto modified and unmodified cellulose fibres to form an antimicrobial composite material. The modified cellulose fibres contained reactive allylic double bonds with a degree of substitution of 0.05. The antimicrobial properties of both TLNPs and TLNP coated fibres (TLNP-C) were studied against Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa using silver nanospheres (average size 10 nm) and Lignoboost lignin particles with 300 and 400 nm sizes as references. Antimicrobial activity of the samples was stronger against Gram-positive S. aureus cells than against Gram-negative target microbes E. coli and P. aeruginosa.

AB - In this study, tall oil fatty acid ester of softwood kraft lignin (TOFA-L) was used to prepare TOFA lignin nanoparticles (TLNP) in water. The average diameters for two prepared TLNPs in 0.1 mg/ml concentration were 140 nm and 160 nm. TLNPs were attached covalently onto modified and unmodified cellulose fibres to form an antimicrobial composite material. The modified cellulose fibres contained reactive allylic double bonds with a degree of substitution of 0.05. The antimicrobial properties of both TLNPs and TLNP coated fibres (TLNP-C) were studied against Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa using silver nanospheres (average size 10 nm) and Lignoboost lignin particles with 300 and 400 nm sizes as references. Antimicrobial activity of the samples was stronger against Gram-positive S. aureus cells than against Gram-negative target microbes E. coli and P. aeruginosa.

KW - lignin

KW - nanoparticles

KW - cellulose

KW - fatty acid

KW - allylation

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DO - 10.1007/s10570-019-02771-9

M3 - Article

SN - 0969-0239

VL - 27

SP - 273

EP - 284

JO - Cellulose

JF - Cellulose

ER -

Lignin nanoparticles modified with tall oil fatty acid for cellulose functionalization

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Keywords

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