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US09273238B2 Process for fungal modification of lignin and preparing wood adhesives with the modified lignin and wood composites made from such adhesives 有权
使用由这种粘合剂制成的改性木质素和木材复合材料对木质素进行真菌修饰和制备木材粘合剂的方法

Process for fungal modification of lignin and preparing wood adhesives with the modified lignin and wood composites made from such adhesives
Abstract:
Disclosed herein are method to modify the lignin with particular fungal species, and procedure to synthesize phenolic adhesives with the modified lignin as raw materials, and the adhesives compositions and methods for making adhesive compositions, and methods for making lingo-cellulosic composites from renewable materials. Four fungi in examples are Lenzites elegans (Spreng.) Pat. (FTK 329A), Phanerochaete cremea (Bres.) Parmasto (FTK 332A), Pycnoporellus alboluteus (Ellis & Everh.) Kotl. & Pouz. (FTK 76A) and Meruliopsis taxicola (Pers.) Bondartsev (FTK 122B). Lignin used in examples are organosolv lignin, Kraft lignin, and ammonium lignosulfonate. The present invention includes methods to (1) modify of lignin with fungi; (2) in-situ polymerize modified lignin-phenol-formaldehyde to generate bio-modified lignin-phenol-formaldehyde adhesive in liquid form, and (3) manufacture composite panels with bio-modified lignin-phenol-formaldehyde resins.
Abstract(Chinese):

本文公开了用特定真菌种类修饰木质素的方法以及以改性木质素为原料合成酚醛粘合剂的方法，以及用于制备粘合剂组合物的粘合剂组合物和方法，以及由可再生材料制备纤维素复合材料的方法。 实例中的四种真菌是Lenzites elegans（Spreng。）Pat。 （FTK 329A），Phanerochaete cremea（Bres。）Parmasto（FTK 332A），Pycnoporellus alboluteus（Ellis＆Everh。）Kotl。 ＆Pouz。 （FTK 76A）和Meruliopsis taxicola（Pers。）Bondartsev（FTK 122B）。 在实施例中使用的木质素是有机溶剂木质素，牛皮纸木质素和木质素磺酸铵。 本发明包括（1）用真菌修饰木质素的方法; （2）原位聚合改性木质素 - 苯酚 - 甲醛以生成液体形式的生物改性木质素 - 酚醛树脂粘合剂，（3）用生物改性木质素 - 酚醛树脂制造复合板。

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