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Chemical modification of wood for improved decay resistance

, : Chemical modification of wood for improved decay resistance. Wood Science 15(2): 81-89

Matched southern pine sapwood blocks were chemically modified with various isocyanates and isothiocyanates in the presence of refluxing pyridine. The results of N analysis, IR spectra and wt. gains of up to 15% indicated that methyl isocyanate and allyl isocyanate reacted readily with wood to form the carbamate (urethane) derivatives. Allyl isothiocyanate appeared to form a polymer; other isothiocyanates did not react readily.

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