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Biological performance of particleboard incorporated with boron minerals 被引量:4
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作者 Evren Terzi s.nami kartal +2 位作者 Philippe Gerardin Claudia Marcela Ibanez Tsuyoshi Yoshimura 《Journal of Forestry Research》 SCIE CAS CSCD 2017年第1期195-203,共9页
We compared resistance to decay, mold fungi, termites and insect larvae of particleboards incorporated with the raw boron minerals ulexite and colemanite to that of particleboards impregnated with the commercial boron... We compared resistance to decay, mold fungi, termites and insect larvae of particleboards incorporated with the raw boron minerals ulexite and colemanite to that of particleboards impregnated with the commercial boron preservative zinc borate, or boric acid plus a borax mixture. We also quantified water absorption, thickness swell and boron release of particleboards. Ulexite had the best decay resistance, and colemanite had the best termite resistance. However, ulexite and colemanite were not as effective as zinc borate or the boric acid/borax mixture in preventing mold growth. In general, the boric acid/borax mixture combination was more effective against Anobium larvae than the other treatments. Less boron was released by specimens containing zinc borate and colemanite than by those containing ulexite or the boric acid/borax mixture. In general, water absorption and thickness swell were similar among the different treatments, but both were slightly higher in the ulexite-incorporated specimens. Further mechanical tests will be needed to evaluate the particle- board properties and thereby the compatibility of these boron minerals with various manufacturing processes. 展开更多
关键词 Biological resistance BORAX Boric acid Colemanite PARTICLEBOARD ULEXITE
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Biological performance,water absorption,and swelling of wood treated with nano-particles combined with the application of Paraloid B72~ 被引量:3
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作者 Damla Muhcu Evren Terzi +1 位作者 s.nami kartal Tsuyoshi Yoshimura 《Journal of Forestry Research》 SCIE CAS CSCD 2017年第2期381-394,共14页
We evaluated fungal decay and mold resistance,leaching, and water absorption of nano-compounds and Paraloid B72-(PB72) in treated wood specimens to develop new methods of consolidation by combining nanoparticles and... We evaluated fungal decay and mold resistance,leaching, and water absorption of nano-compounds and Paraloid B72-(PB72) in treated wood specimens to develop new methods of consolidation by combining nanoparticles and consolidants. Scots pine wood specimens were treated with dispersions of nano-Cu O, nano-Zn O,nano-B2O3, nano-Ti O2, and nano-Ce O2. PB72 treatments of nano-particle-treated wood specimens were then carried out by either vacuum or immersion for 24 h. Previously,decayed wood specimens were also consolidated with the nano-compounds and PB72. PB72 treatments reduced element release from treated wood specimens. Nearly all nano-compounds ? PB72 treatments increased the biological performance of treated wood specimens against decay fungi tested. PB72-only treated wood specimens had the highest weight losses in decay tests. No improvements were obtained in mold resistance tests when the nanocompounds and PB72 were combined. In nano-compoundonly treatments, unleached specimens showed slightly lower water absorption values compared to untreated control specimens. Incorporation of PB72 into nano-compound-treated wood specimens resulted in considerably lower water absorption and volumetric swell. In previously decayed specimens treated with the nano-compounds and PB72 solution, water absorption after 2-h immersion declined compared to control specimens. 展开更多
关键词 leaching declined untreated retention fungi versicolor fungal fungus leached decay
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