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National Research Council of Canada

Gilles Brunette

Yaolin Zhang

Xiang-Ming Wang

Dian-Qing Yang

Martin W Feng

Michael Paleologou

Benoit Simard

Gilles Marcel Dorris

Yuxia Ben

Michelle Agnes Ricard

Lamfeddal Kouisni

Xiaolin Cai

Fuyong Cheng

George Sacciadis

Guangbo He

Hui Wan

Xixian (James) Deng

Nicolas Dery

Sebastien Lebel

Ayse Alemdar-Thomson

Xixian (james) Deng

A method of producing ultra-low density fiber composite (ULDC) foam materials using natural fibers with gas injection through liquid foaming is disclosed, wherein in a particular embodiment includes also cellulose filaments. The method includes a continuous overflow foaming process and a novel apparatus to produce the ULDC materials. The disclosed ULDC composite foam produced includes moisture, mold, decay and fire resistant properties which can be used for building thermal and acoustic insulations, protection packaging, air filter products, hygiene products. The apparatus comprise a vessel, counter rotating dual impellor, a plurality of baffles and gas injection that produce.

Method of producing ultra-low density fiber composite materials

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(Spreng.) Pat. (FTK 329A),(Bres.) Parmasto (FTK 332A),(Ellis & Everh.) Kotl. & Pouz. (FTK 76A) and(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.

Process for fungal modification of lignin and preparing wood adhesives with the modified lignin and wood composites made from such adhesives

The present invention provides methods to functionalize and solubilize WCNT with a phenolic polymer such as a lignin or a PF resin followed by in-situ integration of this functionalized CNT in the presence of formaldehyde and phenol and/or lignin to generate either CNT-reinforced phenol-formaldehyde polymer or CNT-reinforced lignin-phenol-formaldehyde polymer in either liquid or powder form suitable as an adhesive in the manufacture of a lignocellulosic composite material such as OSB and plywood.

Phenol-formaldehyde polymer with carbon nanotubes, a method of producing same, and products derived therefrom

The present invention describes a fungal modified chitosan adhesive for binding a fibrous material and the method of producing the adhesive. The adhesive is produced by providing a chitosan containing raw material; a fungal growing medium; a fungal culture; mixing the raw material, the growing medium and the fungal culture together to produce a suspension; incubating the suspension to produce a broth comprising a modified chitosan solid, an at least partially-consumed medium liquid and a fungal residue; separating the modified chitosan solid from the liquid and the fungal residue, and dissolving the modified chitosan solid to produce the adhesive resin.

Fungal modified chitosan adhesives and wood composites made from the adhesives

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CA

Gilles Brunette