Hydrophobic polymers as barrier dispersion coatings

Mika Vähä-Nissi, Kirsi Kervinen, Antti Savolainen, Scott Egolf, Willie Lau

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Abstract

The aim of this study was to evaluate the properties of polymer dispersions prepared from hydrophobic monomers as barrier coatings. These dispersions were produced using a new emulsion polymerization process involving cyclodextrin as a phase-transport catalyst. Conventional emulsion polymerization techniques are not applicable due to the low water solubility of the monomers, such as lauryl and stearyl (meth)-acrylates. The experimental polymers showed improvements in water and water vapor barriers, as a result of the incorporation of hydrophobic monomers. The barrier properties could be further improved with functional groups, crosslinking, and chain-reg-ulating agents, as well as fillers. Grease and water barriers were strongly affected by pinholes, and functional monomers appeared to be effective in enhancing the grease barrier property. Particle morphology, glass transition temperature, and drying affected the performance of these dispersions.

Original languageEnglish
Pages (from-to)1958-1962
Number of pages5
JournalJournal of Applied Polymer Science
Volume101
Issue number3
DOIs
Publication statusPublished - 5 Aug 2006
MoE publication typeA1 Journal article-refereed

Fingerprint

Polymers
Monomers
Dispersions
Coatings
Emulsion polymerization
Lubricating greases
Water
Acrylates
Cyclodextrins
Steam
Crosslinking
Water vapor
Functional groups
Fillers
Drying
Solubility
Catalysts

Keywords

  • Barrier
  • Coatings
  • Dispersions

Cite this

Vähä-Nissi, Mika ; Kervinen, Kirsi ; Savolainen, Antti ; Egolf, Scott ; Lau, Willie. / Hydrophobic polymers as barrier dispersion coatings. In: Journal of Applied Polymer Science. 2006 ; Vol. 101, No. 3. pp. 1958-1962.
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Vähä-Nissi, M, Kervinen, K, Savolainen, A, Egolf, S & Lau, W 2006, 'Hydrophobic polymers as barrier dispersion coatings', Journal of Applied Polymer Science, vol. 101, no. 3, pp. 1958-1962. https://doi.org/10.1002/app.23687

Hydrophobic polymers as barrier dispersion coatings. / Vähä-Nissi, Mika; Kervinen, Kirsi; Savolainen, Antti; Egolf, Scott; Lau, Willie.

In: Journal of Applied Polymer Science, Vol. 101, No. 3, 05.08.2006, p. 1958-1962.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Hydrophobic polymers as barrier dispersion coatings

AU - Vähä-Nissi, Mika

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AU - Savolainen, Antti

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AB - The aim of this study was to evaluate the properties of polymer dispersions prepared from hydrophobic monomers as barrier coatings. These dispersions were produced using a new emulsion polymerization process involving cyclodextrin as a phase-transport catalyst. Conventional emulsion polymerization techniques are not applicable due to the low water solubility of the monomers, such as lauryl and stearyl (meth)-acrylates. The experimental polymers showed improvements in water and water vapor barriers, as a result of the incorporation of hydrophobic monomers. The barrier properties could be further improved with functional groups, crosslinking, and chain-reg-ulating agents, as well as fillers. Grease and water barriers were strongly affected by pinholes, and functional monomers appeared to be effective in enhancing the grease barrier property. Particle morphology, glass transition temperature, and drying affected the performance of these dispersions.

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