in the vapor phase with acetic anhydride or thioacetic acid has been carried out using potassium acetate or pyridine as catalyst.

• 本试验是在具有膨胀剂和催化剂条件下,用醋酐和硫代醋酸对椴木进行气相乙酰化处理。 试验结果表明,气相醋酐和硫代醋酸乙酰化的木材均可达到处理要求,尺寸稳定。