Esterified lignin coating as water vapor and oxygen barrier for fiber-based packaging

Eva-Lena Hult; Klaus Koivu; Janne Asikkala; Jarmo Ropponen; Pauli Wrigstedt; Jussi Sipilä; Kristiina Poppius-Levlin

doi:10.1515/hf-2012-0214

Esterified lignin coating as water vapor and oxygen barrier for fiber-based packaging

Eva-Lena Hult (Corresponding Author), Klaus Koivu, Janne Asikkala, Jarmo Ropponen, Pauli Wrigstedt, Jussi Sipilä, Kristiina Poppius-Levlin

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

46 Citations (Scopus)

Abstract

Lignin, esterified with palmitic and lauric acid chloride, has been studied for the application as coating on fiber-based packaging material. The aim was to improve the barrier properties against water vapor and oxygen of paperboard. The esterification was followed by Fourier transform infrared spectroscopy, ³¹P nuclear magnetic resonance spectroscopy, and gel permeation chromatography measurements. The lignin esters were applied on paperboard and formed a continuous film. The moisture barrier property of the coated paperboards was characterized by the water vapor transmission rate (WVTR). A significant decrease in WVTR was observed, for example, 40 g m^-2 (for 24 h) for a paperboard coated with 10.4 g m^-2 hardwood kraft lignin palmitate. The contact angle of water on the lignin ester coatings was high and stable. For all paperboard samples coated with lignin esters, a significant decrease in oxygen transmission rate was observed. Accordingly, lignin palmitate and laurate have a high potential as a barrier materials in packaging applications.

Original language	English
Pages (from-to)	899-905
Journal	Holzforschung
Volume	67
Issue number	8
DOIs	https://doi.org/10.1515/hf-2012-0214
Publication status	Published - 1 Dec 2013
MoE publication type	A1 Journal article-refereed

Keywords

coating
gas barrier properties
kraft lignin
lignin laurate
lignin palmitate
lignin utilization
moisture barrier
oxygen transmission rate (OTR)
packaging material
Water vapor transmission rate (WVTR)

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10.1515/hf-2012-0214

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title = "Esterified lignin coating as water vapor and oxygen barrier for fiber-based packaging",

abstract = "Lignin, esterified with palmitic and lauric acid chloride, has been studied for the application as coating on fiber-based packaging material. The aim was to improve the barrier properties against water vapor and oxygen of paperboard. The esterification was followed by Fourier transform infrared spectroscopy, 31P nuclear magnetic resonance spectroscopy, and gel permeation chromatography measurements. The lignin esters were applied on paperboard and formed a continuous film. The moisture barrier property of the coated paperboards was characterized by the water vapor transmission rate (WVTR). A significant decrease in WVTR was observed, for example, 40 g m-2 (for 24 h) for a paperboard coated with 10.4 g m-2 hardwood kraft lignin palmitate. The contact angle of water on the lignin ester coatings was high and stable. For all paperboard samples coated with lignin esters, a significant decrease in oxygen transmission rate was observed. Accordingly, lignin palmitate and laurate have a high potential as a barrier materials in packaging applications.",

keywords = "coating, gas barrier properties, kraft lignin, lignin laurate, lignin palmitate, lignin utilization, moisture barrier, oxygen transmission rate (OTR), packaging material, Water vapor transmission rate (WVTR)",

author = "Eva-Lena Hult and Klaus Koivu and Janne Asikkala and Jarmo Ropponen and Pauli Wrigstedt and Jussi Sipil{\"a} and Kristiina Poppius-Levlin",

note = "The study is part of the two LigniVal projects in the Tekes BioRefine program. Funding to the VTT/Industrial consortium (Tekes, Stora Enso Oyj, UPM-Kymmene Oyj, Mets{\"a}liitto Group, Myllykoski Oyj) and VTT/University consortium (Tekes, Metso Power Oy, Oy Mets{\"a}-Botnia Ab, Stora Enso Oyj, Roal Oy) is acknowledged.",

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doi = "10.1515/hf-2012-0214",

language = "English",

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AU - Hult, Eva-Lena

AU - Koivu, Klaus

AU - Asikkala, Janne

AU - Ropponen, Jarmo

AU - Wrigstedt, Pauli

AU - Sipilä, Jussi

AU - Poppius-Levlin, Kristiina

N1 - The study is part of the two LigniVal projects in the Tekes BioRefine program. Funding to the VTT/Industrial consortium (Tekes, Stora Enso Oyj, UPM-Kymmene Oyj, Metsäliitto Group, Myllykoski Oyj) and VTT/University consortium (Tekes, Metso Power Oy, Oy Metsä-Botnia Ab, Stora Enso Oyj, Roal Oy) is acknowledged.

PY - 2013/12/1

Y1 - 2013/12/1

N2 - Lignin, esterified with palmitic and lauric acid chloride, has been studied for the application as coating on fiber-based packaging material. The aim was to improve the barrier properties against water vapor and oxygen of paperboard. The esterification was followed by Fourier transform infrared spectroscopy, 31P nuclear magnetic resonance spectroscopy, and gel permeation chromatography measurements. The lignin esters were applied on paperboard and formed a continuous film. The moisture barrier property of the coated paperboards was characterized by the water vapor transmission rate (WVTR). A significant decrease in WVTR was observed, for example, 40 g m-2 (for 24 h) for a paperboard coated with 10.4 g m-2 hardwood kraft lignin palmitate. The contact angle of water on the lignin ester coatings was high and stable. For all paperboard samples coated with lignin esters, a significant decrease in oxygen transmission rate was observed. Accordingly, lignin palmitate and laurate have a high potential as a barrier materials in packaging applications.

AB - Lignin, esterified with palmitic and lauric acid chloride, has been studied for the application as coating on fiber-based packaging material. The aim was to improve the barrier properties against water vapor and oxygen of paperboard. The esterification was followed by Fourier transform infrared spectroscopy, 31P nuclear magnetic resonance spectroscopy, and gel permeation chromatography measurements. The lignin esters were applied on paperboard and formed a continuous film. The moisture barrier property of the coated paperboards was characterized by the water vapor transmission rate (WVTR). A significant decrease in WVTR was observed, for example, 40 g m-2 (for 24 h) for a paperboard coated with 10.4 g m-2 hardwood kraft lignin palmitate. The contact angle of water on the lignin ester coatings was high and stable. For all paperboard samples coated with lignin esters, a significant decrease in oxygen transmission rate was observed. Accordingly, lignin palmitate and laurate have a high potential as a barrier materials in packaging applications.

KW - coating

KW - gas barrier properties

KW - kraft lignin

KW - lignin laurate

KW - lignin palmitate

KW - lignin utilization

KW - moisture barrier

KW - oxygen transmission rate (OTR)

KW - packaging material

KW - Water vapor transmission rate (WVTR)

U2 - 10.1515/hf-2012-0214

DO - 10.1515/hf-2012-0214

M3 - Article

SN - 0018-3830

VL - 67

SP - 899

EP - 905

JO - Holzforschung

JF - Holzforschung

IS - 8

ER -

Esterified lignin coating as water vapor and oxygen barrier for fiber-based packaging

Abstract

Keywords

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