Characterization of thin pigment coating layers produced by foam coating

Eija Kenttä, Karita Kinnunen-Raudaskoski, Tuomo Hjelt

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Foam coating is a promising method for applying a thin pigment layer of nanoparticles on a paper web. The interest in applying a low coat-weight coating layer arises from the need to create new functional surfaces using small amounts of new, typically expensive nanoparticles. The characterisation of thin pigment layer properties is more demanding than analysing traditional pigmented coatings layers because of the low coat weight (0.3-2.0 g/m2) and a corresponding low layer thickness of 1 µm or less. This characterisation requires surface sensitive measuring techniques and a combination of different microscopic and spectroscopic surface analyses. In this study, the pigment layer structure and chemical properties of nanosilica-coated paper were analysed. The results were utilised in the development of the foam coating process
Original languageEnglish
Pages (from-to)21-27
JournalTappi Journal
Volume13
Issue number7
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Fingerprint

Pigments
Foams
Coatings
Nanoparticles
Chemical properties

Keywords

  • foam coating
  • silica
  • nanoparticle
  • SEM
  • X-ray mapping
  • surface propeties

Cite this

Kenttä, Eija ; Kinnunen-Raudaskoski, Karita ; Hjelt, Tuomo. / Characterization of thin pigment coating layers produced by foam coating. In: Tappi Journal. 2014 ; Vol. 13, No. 7. pp. 21-27.
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Characterization of thin pigment coating layers produced by foam coating. / Kenttä, Eija; Kinnunen-Raudaskoski, Karita; Hjelt, Tuomo.

In: Tappi Journal, Vol. 13, No. 7, 2014, p. 21-27.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Kinnunen-Raudaskoski, Karita

AU - Hjelt, Tuomo

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N2 - Foam coating is a promising method for applying a thin pigment layer of nanoparticles on a paper web. The interest in applying a low coat-weight coating layer arises from the need to create new functional surfaces using small amounts of new, typically expensive nanoparticles. The characterisation of thin pigment layer properties is more demanding than analysing traditional pigmented coatings layers because of the low coat weight (0.3-2.0 g/m2) and a corresponding low layer thickness of 1 µm or less. This characterisation requires surface sensitive measuring techniques and a combination of different microscopic and spectroscopic surface analyses. In this study, the pigment layer structure and chemical properties of nanosilica-coated paper were analysed. The results were utilised in the development of the foam coating process

AB - Foam coating is a promising method for applying a thin pigment layer of nanoparticles on a paper web. The interest in applying a low coat-weight coating layer arises from the need to create new functional surfaces using small amounts of new, typically expensive nanoparticles. The characterisation of thin pigment layer properties is more demanding than analysing traditional pigmented coatings layers because of the low coat weight (0.3-2.0 g/m2) and a corresponding low layer thickness of 1 µm or less. This characterisation requires surface sensitive measuring techniques and a combination of different microscopic and spectroscopic surface analyses. In this study, the pigment layer structure and chemical properties of nanosilica-coated paper were analysed. The results were utilised in the development of the foam coating process

KW - foam coating

KW - silica

KW - nanoparticle

KW - SEM

KW - X-ray mapping

KW - surface propeties

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