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Title of Journal: Eur J Wood Prod

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Abbravation: European Journal of Wood and Wood Products

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Springer Berlin Heidelberg

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DOI

10.1007/bf01984030

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ISSN

1436-736X

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UV protection effects of phenolic extracts from ch

Authors: Cristina Galiñanes M Sonia Freire Julia GonzálezÁlvarez
Publish Date: 2015/06/30
Volume: 73, Issue: 6, Pages: 731-739
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Abstract

Extracts from different lignocellulosic sources were applied in the wood veneer dyeing process with the aim of preventing colour changes caused by ultraviolet UV degradation Chestnut Castanea sativa fruit shell and bur and barks from Pinus pinaster Eucalyptus globulus and Quercus frainetto extracted using water or aqueous solutions of sodium sulphite and/or sodium hydroxide were used Wood veneers from ash Fraxinus excelsior koto Pterygota bequaertii and lime Tilia cordata were dyed treated with extracts and subjected to accelerated exposure to UV light for variable lengths of time The colour degradation was measured and the results were studied using cluster analysis Pinus pinaster bark extracts were the best protectors for dyed veneers Chemical changes due to UV exposure were analyzed by Xray photoelectron spectroscopy The degraded untreated wood increased its functional groups rich in oxygen that is photooxidation occurred Nevertheless chemical bonding of wood treated with extracts hardly underwent changes

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  1. Industrial production of pine tannin-bonded particleboard and MDF
  2. Remedial boron treatment of difficult to access timber in buildings
  3. Cork as a building material: a review
  4. Fire performance and decay resistance of solid wood and plywood treated with quaternary ammonia compounds and common fire retardants
  5. Soy-substituted liquid phenol formaldehyde binders for flakeboard
  6. The potential of color measurements with the CIEDE2000 equation in wood science
  7. The effect of acetylation on the Janka hardness of pine wood
  8. Full-field moisture induced deformation in Norway spruce: intra-ring variation of transverse swelling
  9. Wood–water relations of chestnut wood used for structural purposes
  10. Wood based bulk material in 3D printing processes for applications in construction
  11. Manufacture and properties of citric acid-bonded particleboard made from bamboo materials
  12. Resin and wax distribution and mobility during medium density fibreboard manufacture
  13. Resistance based moisture content measurements on native, modified and preservative treated wood
  14. Minimizing dust emission during routing operation of rubberwood
  15. Comparison of wood coating durability in natural weathering and artificial weathering using fluorescent UV-lamps and water
  16. Weathering indicator for artificial and natural weathering of wood coatings
  17. Development of a new rapid method for mould testing in a climate chamber: preliminary tests
  18. Effect of species and grinding disc distance on the surface roughness parameters of medium density fiberboard
  19. Load-bearing characteristics of heat-treated rubberwood furniture components and joints
  20. Effect of accelerated aging on selected physical and mechanical properties of Bambusa rigida bamboo
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