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Title: Synthesis and evaluation of borates derived from boric acid and diols for the protection of wood against fungal decay and thermal degradation

Author: Chen, George C.;

Date: 2004

Source: Proceedings of the 7th Pacific Rim Bio-Based Composites Symposium : 2004 October 31-November 2, Nanjing, China. Nanjing, China : Science and Technique Literature Press, 2004: pages 159-169

Publication Series: Miscellaneous Publication

Description: N,N-dimethyl amino carbinol catechol borate(1). N,N-dimethyl amino carbinol-4-methyl catechol borate(2), N,N-dimethyl amino carbinol-4-t- butyl catechol borate(3). N,N-dimethyl amino carbinol-2,3-naphthyl borate 4) were synthesized by refluxing boric acid and diol in DMF(N,N-dimethyl formamide). The borates were characterized by NMR. Wood impregnated with borate 1,2 or 4 after 2-week water leaching was able to prevent decay by a brown-and white-rot fungus. TGA showed that wood impregnated with borate 1 or 4 had a high char yield. DSC showed that the pyrolysis pathway of wood treated with borates proceeds by depolymerization.

Keywords: Wood, synthesis, borates, fungal decay, thermal protection

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Chen, George C. 2004. Synthesis and evaluation of borates derived from boric acid and diols for the protection of wood against fungal decay and thermal degradation. Proceedings of the 7th Pacific Rim Bio-Based Composites Symposium : 2004 October 31-November 2, Nanjing, China. Nanjing, China : Science and Technique Literature Press, 2004: pages 159-169

 


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