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

被引：16
|
作者：
Ding, Xiaochu [1 ]
Meneses, Martha Barajas [1 ]
Albukhari, Soha M. [1 ]
Richter, Dana L. [2 ]
Matuana, Laurent M. [3 ]
Heiden, Patricia A. [1 ]
机构：
[1] Michigan Technol Univ, Dept Chem, Houghton, MI 49931 USA
[2] Michigan Technol Univ, Sch Forest Resources & Environm Sci, Houghton, MI 49931 USA
[3] Michigan State Univ, Sch Packaging, E Lansing, MI 48824 USA
来源：
MACROMOLECULAR MATERIALS AND ENGINEERING | 2013年 / 298卷 / 12期
基金：
美国国家环境保护局;
关键词：
biocide; copper oxide; drug delivery systems; nanoparticles; wood preservation; ENGINEERED NANOMATERIALS; WATER;
D O I：
10.1002/mame.201200439
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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 50nm. Significant numbers of nanoparticles are found in the leachate from the treated wood, and trends show that size is a major factor. The 50nm nanoparticles leach slightly less than the control (ammonium copper salt), whereas 10nm nanoparticles leach more. Effects of polymer stabilizers are also tested and they increase nanoparticle leaching compared to unstabilized nanoparticles.
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页码：1335 / 1343
页数：9
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