Influence of high-temperature heat treatment on barrier and functional properties of polyolefin-coated papers

Kimmo Lahtinen (Corresponding Author), Kalle Nättinen, Jari Vartiainen

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Abstract

In this study, the effect of heat treatment on barrier and functionality of polyolefin-coated papers was investigated. The aim was to find the optimal improvements on barrier without losing the applicability of the materials due to physical damages. The results of the study proved considerable improvement in barrier characteristics of the structures. Both water vapor and oxygen transmission rates of LDPE-coatings decreased linearly following the set-temperature until 200°C. At this point, the treatment caused a continuing decrease in oxygen transmission achieving 10 × lower transmission levels than the untreated structure, whereas moisture transport faced corresponding but lower increase. This was considered to be caused by the difference in diameter of the H2O and O2 molecules; the smaller water molecules are able to penetrate between spherulites, whose size increased due to higher treatment temperature followed by cooling.
Original languageEnglish
Pages (from-to)561 - 569
Number of pages9
JournalPolymer-Plastics Technology and Engineering
Volume48
Issue number5
DOIs
Publication statusPublished - 2009
MoE publication typeA1 Journal article-refereed

Fingerprint

Polyolefins
Heat treatment
Oxygen
Molecules
Steam
Low density polyethylenes
Polyethylene
Temperature
Water vapor
Moisture
Cooling
Coatings
Water
PL 732

Keywords

  • Extrusion coating
  • heat treatment
  • paper
  • polyolefix

Cite this

Lahtinen, Kimmo ; Nättinen, Kalle ; Vartiainen, Jari. / Influence of high-temperature heat treatment on barrier and functional properties of polyolefin-coated papers. In: Polymer-Plastics Technology and Engineering. 2009 ; Vol. 48, No. 5. pp. 561 - 569.
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Influence of high-temperature heat treatment on barrier and functional properties of polyolefin-coated papers. / Lahtinen, Kimmo (Corresponding Author); Nättinen, Kalle; Vartiainen, Jari.

In: Polymer-Plastics Technology and Engineering, Vol. 48, No. 5, 2009, p. 561 - 569.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Influence of high-temperature heat treatment on barrier and functional properties of polyolefin-coated papers

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AU - Nättinen, Kalle

AU - Vartiainen, Jari

PY - 2009

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N2 - In this study, the effect of heat treatment on barrier and functionality of polyolefin-coated papers was investigated. The aim was to find the optimal improvements on barrier without losing the applicability of the materials due to physical damages. The results of the study proved considerable improvement in barrier characteristics of the structures. Both water vapor and oxygen transmission rates of LDPE-coatings decreased linearly following the set-temperature until 200°C. At this point, the treatment caused a continuing decrease in oxygen transmission achieving 10 × lower transmission levels than the untreated structure, whereas moisture transport faced corresponding but lower increase. This was considered to be caused by the difference in diameter of the H2O and O2 molecules; the smaller water molecules are able to penetrate between spherulites, whose size increased due to higher treatment temperature followed by cooling.

AB - In this study, the effect of heat treatment on barrier and functionality of polyolefin-coated papers was investigated. The aim was to find the optimal improvements on barrier without losing the applicability of the materials due to physical damages. The results of the study proved considerable improvement in barrier characteristics of the structures. Both water vapor and oxygen transmission rates of LDPE-coatings decreased linearly following the set-temperature until 200°C. At this point, the treatment caused a continuing decrease in oxygen transmission achieving 10 × lower transmission levels than the untreated structure, whereas moisture transport faced corresponding but lower increase. This was considered to be caused by the difference in diameter of the H2O and O2 molecules; the smaller water molecules are able to penetrate between spherulites, whose size increased due to higher treatment temperature followed by cooling.

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