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Latex coatings containing antifeedants: formulation, characterization, and application for protection of conifer seedlings against pine weevil feeding.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
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2008 (English)In: Progress in organic coatings, ISSN 0300-9440, Vol. 63, no 2, 160-166 p.Article, review/survey (Refereed) Published
Abstract [en]

Latex-based coatings for protection of tree seedlings against pest insect feeding are evaluated with respect to surface-, mechanical-, and release properties and antifeedant activity. The latex dispersion Eudragit copolymer (EC) was used to form the coatings, 2,6-di-tert-butyl-4-methylphenol (BHT) and cis-dihydropinidine (Alk) as antifeedants, and a thickener and a alkylglucoside based nonionic surfactant were used as additives to optimize the release- and mechanical properties of coatings. Coating characterization was performed with respect to surface morphology (atomic force microscopy, AFM) and surface wetting (contact angle), as well as to mechanical (tensile stress- and tensile strain at break) properties. Surface smoothness and wettability as well as elasticity increased with addition of the surfactant. The optimized coatings were found to be elastic and water resistant at 3-6 wt.% of BHT and 3 wt.% of surfactant. BHT was released into SDS/water at very low rates. Several formulations of BHT and Alk were efficient in preventing the feeding on conifer bark by a pine insect, Hylobius abietis both in laboratory (no-choice) and in held Q months) tests.

Place, publisher, year, edition, pages
2008. Vol. 63, no 2, 160-166 p.
Keyword [en]
formulation, latex, antifeedant, pine weevil, Hylobius abietis
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:miun:diva-6414DOI: 10.1016/j.porgcoat.2008.05.006ISI: 000259069200003Scopus ID: 2-s2.0-48549100646Local ID: 4759OAI: oai:DiVA.org:miun-6414DiVA: diva2:31453
Available from: 2008-11-30 Created: 2008-11-30 Last updated: 2013-02-05Bibliographically approved

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Eriksson, CarinaSjödin, Kristina
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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • text
  • asciidoc
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