Esterified lignocellulosic materials and methods for making them

    公开(公告)号:NZ597034A

    公开(公告)日:2014-05-30

    申请号:NZ59703410

    申请日:2010-06-23

    Abstract: Disclosed herein are methods of making esterified lignocellulosic materials and resulting compositions and articles. The method comprises impregnating solid wood with an impregnating liquid comprising acetic anhydride to form an impregnated solid wood, and contacting the impregnated solid wood with a heated vapour to heat the impregnated solid wood to form an acetylated solid wood, wherein the vapour includes an acetyl compound selected from acetic anhydride or acetic acid, the acetyl compound is present in the vapour in an amount of at least 75% by weight.

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