Comparing Leaching of Different Copper Oxide Nanoparticles and Ammoniacal Copper Salt from Wood: Fid-Bau Portal

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Comparing Leaching of Different Copper Oxide Nanoparticles and Ammoniacal Copper Salt from Wood

Ding, Xiaochu / Meneses, Martha Barajas / Albukhari, Soha M. / Richter, Dana L. / Matuana, Laurent M. / Heiden, Patricia A.

Copper-based nanoparticle wood preservatives typically contain a mixture of nanoparticles. We test the effect of nanoparticle size on copper leaching, and if the leachate contains nanoparticles, by treating southern pine sapwood with copper oxide nanoparticles with uniform diameters of 10 and 50 nm. Significant numbers of nanoparticles are found in the leachate from the treated wood, and trends show that size is a major factor. The 50 nm nanoparticles leach slightly less than the control (ammonium copper salt), whereas 10 nm nanoparticles leach more. Effects of polymer stabilizers are also tested and they increase nanoparticle leaching compared to unstabilized nanoparticles.

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Comparing Leaching of Different Copper Oxide Nanoparticles and Ammoniacal Copper Salt from Wood

Ding, Xiaochu / Meneses, Martha Barajas / Albukhari, Soha M. / Richter, Dana L. / Matuana, Laurent M. / Heiden, Patricia A.

Copper-based nanoparticle wood preservatives typically contain a mixture of nanoparticles. We test the effect of nanoparticle size on copper leaching, and if the leachate contains nanoparticles, by treating southern pine sapwood with copper oxide nanoparticles with uniform diameters of 10 and 50 nm. Significant numbers of nanoparticles are found in the leachate from the treated wood, and trends show that size is a major factor. The 50 nm nanoparticles leach slightly less than the control (ammonium copper salt), whereas 10 nm nanoparticles leach more. Effects of polymer stabilizers are also tested and they increase nanoparticle leaching compared to unstabilized nanoparticles.

Comparing Leaching of Different Copper Oxide Nanoparticles and Ammoniacal Copper Salt from Wood

Ding, Xiaochu / Meneses, Martha Barajas / Albukhari, Soha M. / Richter, Dana L. / Matuana, Laurent M. / Heiden, Patricia A.

Copper-based nanoparticle wood preservatives typically contain a mixture of nanoparticles. We test the effect of nanoparticle size on copper leaching, and if the leachate contains nanoparticles, by treating southern pine sapwood with copper oxide nanoparticles with uniform diameters of 10 and 50 nm. Significant numbers of nanoparticles are found in the leachate from the treated wood, and trends show that size is a major factor. The 50 nm nanoparticles leach slightly less than the control (ammonium copper salt), whereas 10 nm nanoparticles leach more. Effects of polymer stabilizers are also tested and they increase nanoparticle leaching compared to unstabilized nanoparticles.

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Title:

Comparing Leaching of Different Copper Oxide Nanoparticles and Ammoniacal Copper Salt from Wood

Contributors:

Ding, Xiaochu (author) / Meneses, Martha Barajas (author) / Albukhari, Soha M. (author) / Richter, Dana L. (author) / Matuana, Laurent M. (author) / Heiden, Patricia A. (author)

Published in:

Macromolecular Materials and Engineering ; 298 ; 1335-1343

Publication date:

2013

Size:

9 Seiten

ISSN:

DOI:

https://doi.org/10.1002/mame.201200439

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Biozid , Kupferoxid , Wirkstofffreisetzung , Nanoteilchen , Ammoniumsalz , Holzschutzmittel , Polyvinylpyrrolidon , Acetat , Ammoniumverbindung , Chitosan , Auslaugen (Verfahrenstechnik)

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