Flakeboards made from aspen and southern pine wood flakes reacted with gaseous ketene

Southern pine and aspen wood flakes were chemically modified by reaction at ca. 55°C with ketene in the absence of solvent. Reactions were relatively slow, with weight gains of up to 17% and 20%, respectively, obtained. Acetyl content correlated with weight gain only up to the 12% level. Water and s...

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