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Title: Leachability of boron from wood treated with natural and semi-synthetic polymers and calcium precipitating agent

Author: Kartal, S. N.; Green, F.;

Date: 2003

Source: Holz als Roh- und Werkstoff. Vol. 61 (2003): Pages 388-389

Publication Series: Miscellaneous Publication

Description: Several fixation systems to limit or decrease boron leachability from treated wood have been developed. Some attempts have relied on limiting of water penetration of treated wood using water repellents, monomer and polymer systems. On the other hand, non-toxic polymers such as proteins were tried to reduce amount of boron leached from wood (Thevenon et al. 1997, 1998). Their results showed that protein borates such as albumin and soja protein borates greatly retarded the leaching of boron from treated wood via formation of salt. In addition, precipitation of boron in wood via a calcium precipitating agent NHA (N‘Nnaphthaloylhydroxylamine) also has potential to reduce boron leachability (Kartal and Green 2002). This paper presents results from a preliminary study to reduce the leachability of boron using natural polymers including naturally occurring polysaccharides, carboxy methylcellulose as a synthetic polymer, and NHA.

Keywords: Boron, leachability, polymers, calcium precipitating agent, fixation systems

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Kartal, S. N.; Green, F. 2003. Leachability of boron from wood treated with natural and semi-synthetic polymers and calcium precipitating agent. Holz als Roh- und Werkstoff. Vol. 61 (2003): Pages 388-389

 


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