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Curing of wood treated with vinyl acetate-epoxidized linseed oil copolymer (VAc-ELO)

  • Shengzhen Cai , Mohamed Jebrane EMAIL logo and Nasko Terziev
Published/Copyright: July 22, 2015
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Abstract

Scots pine sapwood was treated with a new formulation consisting of vinyl acetate (VAc) and epoxidized linseed oil (ELO) catalyzed by potassium persulfate to impart protection to wood. The effects of various curing temperatures, durations, and solution uptakes on dimensional stability (DS) and leachability were studied. The new formulation provided good anti-swelling efficiency (ASE) ranging from 35% to 47% with negligible leaching of the treating agent after four cycles of water soaking and oven drying (2%–2.5%). The extent of polymerization in wood was observed by FTIR-attenuated total reflectance (FTIR-ATR) by evaluation of the areas below typical IR bands as a function of curing temperature and time. Linear relationships were found with high R2 values. The FTIR data of extracted samples were interpreted that chemical reactions took place between the resulting copolymer and wood components.


Corresponding author: Mohamed Jebrane, Department of Forest Products/Wood Science, Swedish University of Agricultural Sciences, SE-750 07 Uppsala, Sweden, e-mail:

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Received: 2015-4-16
Accepted: 2015-6-23
Published Online: 2015-7-22
Published in Print: 2016-4-1

©2016 by De Gruyter

Articles in the same Issue

  1. Frontmatter
  2. Original Articles
  3. Ferulates and lignin structural composition in cork
  4. Comparison of pulp species in IONCELL-P: selective hemicellulose extraction method with ionic liquids
  5. A novel and highly efficient polymerization of sulfomethylated alkaline lignins via alkyl chain cross-linking method
  6. Curing of wood treated with vinyl acetate-epoxidized linseed oil copolymer (VAc-ELO)
  7. Screening of juvenile Pinus radiata wood by means of Py-GC/MS for compression wood focussing on the ratios of p-hydroxyphenyl to guaiacyl units (H/G ratios)
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  9. Critical moisture conditions for fungal decay of modified wood by basidiomycetes as detected by pile tests
  10. Synthesis of fire retardants based on N and P and poly(sodium silicate-aluminum dihydrogen phosphate) (PSADP) and testing the flame-retardant properties of PSADP impregnated poplar wood
  11. Monitoring electrical properties of thermally modified wood as a possible tool for quality assessment
  12. Formation and properties of polyelectrolytes/TiO2 composite coating on wood surfaces through layer-by-layer assembly method
  13. The effect of temperature and moisture content on the fracture behaviour of spruce and birch
  14. A three-dimensional void reconstruction method for analyzing fractal dimensions of void volume in wood-strand composites
  15. Erratum
  16. Erratum to: Standard and non-standard deformation behaviour of European beech and Norway spruce during compression
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