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Wear resistance of nanoparticle coatings on paperboard

Stepien, Milena and Chinga-Carrasco, Gary and Saarinen, Jarkko J. and Teisala, Hannu and Tuominen, Mikko and Aromaa, Mikko and Haapanen, Janne and Kuusipalo, Jurkka and Mäkelä, Jyrki M. and Toivakka, Martti (2013) Wear resistance of nanoparticle coatings on paperboard. Wear, 307 (1-2). pp. 112-116. ISSN 0043-1648.

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Paper can be coated with liquid flame spray (LFS) generated nanoparticles to control the wettability of its surface from hydrophilic to superhydrophobic. The adhesion of the nanoparticles on paper is of interest both for understanding the product durability during its lifetime and for product safety issues. Poor particle adhesion influences the desired functional properties and released nanoparticles cause health and environmental concerns. To investigate the wear resistance of LFS-TiO_2 and -SiO_2 coated papers, the nanoparticle surfaces were exposed to rotary abrasion tests. The changes in the samples were analyzed by contact angle measurements and high resolution field-emission scanning electron microscopy (FESEM). After abrasive action with another paperboard surface, only relatively small changes in wettability of superhydrophobic/hydrophilic coatings were found. A more severe abrasive action will remove some of the nanoparticle coating, but the hydrophobic/hydrophilic character of the surface is still maintained to large extent. The results indicate that the wear resistance of LFS nanocoated paper surfaces differs and depends on the nanoparticle material type used for the coating. This is clearly reflected as changes in surface structure shown by FE-SEM and wettability. The results can help understanding which paper-related application areas could be targeted with the LFS-nanoparticle coating process.

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Additional Information:© 2013 Elsevier B.V. Received 1 May 2013. Received in revised form 12 August 2013. Accepted 17 August 2013. Available online 3 September 2013. This work was funded by the Finnish Funding Agency for Technology and Innovation (Tekes) under Liquid flame spray nanocoating for flexible roll-to-roll web materials – project (Grant no. 40095/11). J. J. S. wishes to thank the Academy of Finland (Grant no. 250 122) for financial support.
Funding AgencyGrant Number
Finnish Funding Agency for Technology and Innovation (Tekes)40095/11
Academy of Finland250 122
Subject Keywords: Nanoparticle coatings; Wear resistance; Microscopy techniques; Surface analysis; Wettability; Paperboard
Issue or Number:1-2
Record Number:CaltechAUTHORS:20140122-113353308
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Official Citation:Milena Stepien, Gary Chinga-Carrasco, Jarkko J. Saarinen, Hannu Teisala, Mikko Tuominen, Mikko Aromaa, Janne Haapanen, Jurkka Kuusipalo, Jyrki M. Mäkelä, Martti Toivakka, Wear resistance of nanoparticle coatings on paperboard, Wear, Volume 307, Issues 1–2, 30 September 2013, Pages 112-118, ISSN 0043-1648, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:43470
Deposited By: Ruth Sustaita
Deposited On:22 Jan 2014 20:28
Last Modified:03 Oct 2019 06:08

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