Decay resistance of polymerized ionic liquid-modified woods

Hiroki Sakagami, Saki Higurashi, Tetsuya Tsuda, Satoshi Seino, Susumu Kuwabata

Research output: Contribution to journalArticle

Abstract

A functional ionic liquid 1-butyl-3-vinylimidazolium iodide ([BuVyIm]I) was synthesized, and it exhibited the features of both decay resistance and leaching resistance after in-situ polymerization within wood. Treated wood specimens of Cryptomeria japonica were evaluated in this preliminary study using leaching tests with distilled water and decay tests for 12 weeks with brown rot fungi Fomitopsis palustris. The [BuVyIm]I polymerized by 100 kGy 60Co gamma irradiation was retained in wood after 10 wash and dry cycles, whereas nearly all of the [BuVyIm]I was washed out in the cases of 10 kGy and no irradiation. The decay testing of these specimens showed that sapwood had a different decay resistance depending on the strength of gamma irradiation used, whereas the treated heartwood did not support fungal growth. The results of this study imply that [BuVyIm]I polymerized by 100 kGy gamma irradiation have potential for wood preservation.

Original languageEnglish
Pages (from-to)5702-5710
Number of pages9
JournalBioResources
Volume13
Issue number3
DOIs
Publication statusPublished - Jan 1 2018

Fingerprint

Decay (organic)
Ionic Liquids
iodide
Iodides
Ionic liquids
Wood
irradiation
Irradiation
Leaching
Wood preservation
leaching
Fungi
polymerization
Polymerization
fungus
ionic liquid
Water
Testing
water
test

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Bioengineering
  • Waste Management and Disposal

Cite this

Decay resistance of polymerized ionic liquid-modified woods. / Sakagami, Hiroki; Higurashi, Saki; Tsuda, Tetsuya; Seino, Satoshi; Kuwabata, Susumu.

In: BioResources, Vol. 13, No. 3, 01.01.2018, p. 5702-5710.

Research output: Contribution to journalArticle

Sakagami, H, Higurashi, S, Tsuda, T, Seino, S & Kuwabata, S 2018, 'Decay resistance of polymerized ionic liquid-modified woods', BioResources, vol. 13, no. 3, pp. 5702-5710. https://doi.org/10.15376/biores.13.3.5702-5710
Sakagami, Hiroki ; Higurashi, Saki ; Tsuda, Tetsuya ; Seino, Satoshi ; Kuwabata, Susumu. / Decay resistance of polymerized ionic liquid-modified woods. In: BioResources. 2018 ; Vol. 13, No. 3. pp. 5702-5710.
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