The effect of oxyalkylation and application of polymer dispersions on the thermoformability and extensibility of paper

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Abstract

Wood fiber-based packaging materials, as renewable materials, have growing market potential due to their sustainability. A new breakthrough in cellulose-based packaging requires some improvement in the mechanical properties of paper. Bleached softwood kraft pulp was mechanically treated, in two stages, using high- and low-consistency refining, sequentially. Chemical treatment of pulp using the oxyalkylation method was applied to modify a portion of fiber material, especially the fiber surface, and its compatibility with polymer dispersions including one carbohydrate polymer. The results showed that the compatibility of the cellulosic fibers with some polymers could be improved with oxyalkylation. By adjusting mechanical and chemical treatments, and the thermoforming conditions, the formability of paper was improved, but simultaneously the strength and stiffness decreased. The results suggest that the formability of the paper is not a direct function of the extensibility of the applied polymer, but also depends on the fiber network structure and surface energy.
Original languageEnglish
Pages (from-to)411-419
Number of pages9
JournalCarbohydrate Polymers
Volume186
DOIs
Publication statusPublished - Apr 2018
MoE publication typeA1 Journal article-refereed

Fingerprint

Dispersions
Polymers
Fibers
Formability
Thermoforming
Packaging materials
Kraft pulp
Softwoods
Carbohydrates
Interfacial energy
Cellulose
Refining
Pulp
Sustainable development
Packaging
Wood
Stiffness
Mechanical properties

Keywords

  • biopolymer spraying
  • consumer packages
  • paper extensibility
  • starch acetate
  • strength of paper
  • thermoformable web

Cite this

@article{768c795e143b4a189feaff45fb74f9c1,
title = "The effect of oxyalkylation and application of polymer dispersions on the thermoformability and extensibility of paper",
abstract = "Wood fiber-based packaging materials, as renewable materials, have growing market potential due to their sustainability. A new breakthrough in cellulose-based packaging requires some improvement in the mechanical properties of paper. Bleached softwood kraft pulp was mechanically treated, in two stages, using high- and low-consistency refining, sequentially. Chemical treatment of pulp using the oxyalkylation method was applied to modify a portion of fiber material, especially the fiber surface, and its compatibility with polymer dispersions including one carbohydrate polymer. The results showed that the compatibility of the cellulosic fibers with some polymers could be improved with oxyalkylation. By adjusting mechanical and chemical treatments, and the thermoforming conditions, the formability of paper was improved, but simultaneously the strength and stiffness decreased. The results suggest that the formability of the paper is not a direct function of the extensibility of the applied polymer, but also depends on the fiber network structure and surface energy.",
keywords = "biopolymer spraying, consumer packages, paper extensibility, starch acetate, strength of paper, thermoformable web",
author = "Jarmo Kouko and Harri Set{\"a}l{\"a} and Atsushi Tanaka and Alexey Khakalo and Jarmo Ropponen and Elias Retulainen",
year = "2018",
month = "4",
doi = "10.1016/j.carbpol.2018.01.071",
language = "English",
volume = "186",
pages = "411--419",
journal = "Carbohydrate Polymers",
issn = "0144-8617",
publisher = "Elsevier",

}

TY - JOUR

T1 - The effect of oxyalkylation and application of polymer dispersions on the thermoformability and extensibility of paper

AU - Kouko, Jarmo

AU - Setälä, Harri

AU - Tanaka, Atsushi

AU - Khakalo, Alexey

AU - Ropponen, Jarmo

AU - Retulainen, Elias

PY - 2018/4

Y1 - 2018/4

N2 - Wood fiber-based packaging materials, as renewable materials, have growing market potential due to their sustainability. A new breakthrough in cellulose-based packaging requires some improvement in the mechanical properties of paper. Bleached softwood kraft pulp was mechanically treated, in two stages, using high- and low-consistency refining, sequentially. Chemical treatment of pulp using the oxyalkylation method was applied to modify a portion of fiber material, especially the fiber surface, and its compatibility with polymer dispersions including one carbohydrate polymer. The results showed that the compatibility of the cellulosic fibers with some polymers could be improved with oxyalkylation. By adjusting mechanical and chemical treatments, and the thermoforming conditions, the formability of paper was improved, but simultaneously the strength and stiffness decreased. The results suggest that the formability of the paper is not a direct function of the extensibility of the applied polymer, but also depends on the fiber network structure and surface energy.

AB - Wood fiber-based packaging materials, as renewable materials, have growing market potential due to their sustainability. A new breakthrough in cellulose-based packaging requires some improvement in the mechanical properties of paper. Bleached softwood kraft pulp was mechanically treated, in two stages, using high- and low-consistency refining, sequentially. Chemical treatment of pulp using the oxyalkylation method was applied to modify a portion of fiber material, especially the fiber surface, and its compatibility with polymer dispersions including one carbohydrate polymer. The results showed that the compatibility of the cellulosic fibers with some polymers could be improved with oxyalkylation. By adjusting mechanical and chemical treatments, and the thermoforming conditions, the formability of paper was improved, but simultaneously the strength and stiffness decreased. The results suggest that the formability of the paper is not a direct function of the extensibility of the applied polymer, but also depends on the fiber network structure and surface energy.

KW - biopolymer spraying

KW - consumer packages

KW - paper extensibility

KW - starch acetate

KW - strength of paper

KW - thermoformable web

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U2 - 10.1016/j.carbpol.2018.01.071

DO - 10.1016/j.carbpol.2018.01.071

M3 - Article

VL - 186

SP - 411

EP - 419

JO - Carbohydrate Polymers

JF - Carbohydrate Polymers

SN - 0144-8617

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